./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound2.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! overflow) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '9851f41ad4fb2d0ff96507e8e48f0d2886a8de6481eed845b23377b9fa492b45'] 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/nla-digbench-scaling/hard-ll_valuebound2.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9851f41ad4fb2d0ff96507e8e48f0d2886a8de6481eed845b23377b9fa492b45 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 20:35:52,923 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 20:35:52,981 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 20:35:52,985 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 20:35:52,985 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 20:35:53,004 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 20:35:53,005 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 20:35:53,006 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 20:35:53,006 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 20:35:53,006 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 20:35:53,007 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 20:35:53,007 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 20:35:53,007 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 20:35:53,008 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 20:35:53,008 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 20:35:53,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 20:35:53,008 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 20:35:53,008 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 20:35:53,008 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 20:35:53,008 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 20:35:53,008 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 20:35:53,008 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 20:35:53,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 20:35:53,009 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 20:35:53,009 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 20:35:53,009 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 20:35:53,009 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 20:35:53,009 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 20:35:53,009 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 20:35:53,009 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 20:35:53,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 20:35:53,010 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 20:35:53,010 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 20:35:53,010 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 20:35:53,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:35:53,010 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 20:35:53,010 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 20:35:53,010 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 20:35:53,010 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 20:35:53,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 20:35:53,011 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 20:35:53,011 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 20:35:53,011 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 20:35:53,011 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 20:35:53,011 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 -> 9851f41ad4fb2d0ff96507e8e48f0d2886a8de6481eed845b23377b9fa492b45 [2024-11-07 20:35:53,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 20:35:53,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 20:35:53,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 20:35:53,227 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 20:35:53,227 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 20:35:53,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound2.c [2024-11-07 20:35:54,281 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 20:35:54,437 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 20:35:54,438 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound2.c [2024-11-07 20:35:54,442 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/639333635/87c3da50149d4fe7a15160c4b22f841a/FLAGceaeb3ac4 [2024-11-07 20:35:54,838 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/639333635/87c3da50149d4fe7a15160c4b22f841a [2024-11-07 20:35:54,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 20:35:54,841 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 20:35:54,841 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 20:35:54,841 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 20:35:54,844 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 20:35:54,844 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:35:54" (1/1) ... [2024-11-07 20:35:54,845 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64d7a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:54, skipping insertion in model container [2024-11-07 20:35:54,845 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:35:54" (1/1) ... [2024-11-07 20:35:54,853 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 20:35:54,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:35:54,944 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 20:35:54,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:35:54,969 INFO L204 MainTranslator]: Completed translation [2024-11-07 20:35:54,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:54 WrapperNode [2024-11-07 20:35:54,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 20:35:54,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 20:35:54,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 20:35:54,971 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 20:35:54,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:54" (1/1) ... [2024-11-07 20:35:54,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:54" (1/1) ... [2024-11-07 20:35:54,995 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 86 [2024-11-07 20:35:54,995 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 20:35:54,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 20:35:54,995 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 20:35:54,995 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 20:35:55,002 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:54" (1/1) ... [2024-11-07 20:35:55,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:54" (1/1) ... [2024-11-07 20:35:55,003 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:54" (1/1) ... [2024-11-07 20:35:55,017 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 20:35:55,017 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:54" (1/1) ... [2024-11-07 20:35:55,018 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:54" (1/1) ... [2024-11-07 20:35:55,021 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:54" (1/1) ... [2024-11-07 20:35:55,027 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:54" (1/1) ... [2024-11-07 20:35:55,028 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:54" (1/1) ... [2024-11-07 20:35:55,030 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:54" (1/1) ... [2024-11-07 20:35:55,031 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 20:35:55,032 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 20:35:55,034 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 20:35:55,034 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 20:35:55,035 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:54" (1/1) ... [2024-11-07 20:35:55,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:35:55,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:35:55,063 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 20:35:55,065 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 20:35:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 20:35:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 20:35:55,086 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 20:35:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 20:35:55,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 20:35:55,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 20:35:55,087 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 20:35:55,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 20:35:55,138 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 20:35:55,139 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 20:35:55,316 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2024-11-07 20:35:55,317 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 20:35:55,326 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 20:35:55,326 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-07 20:35:55,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:35:55 BoogieIcfgContainer [2024-11-07 20:35:55,326 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 20:35:55,328 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 20:35:55,328 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 20:35:55,331 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 20:35:55,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:35:54" (1/3) ... [2024-11-07 20:35:55,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f1a9540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:35:55, skipping insertion in model container [2024-11-07 20:35:55,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:35:54" (2/3) ... [2024-11-07 20:35:55,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f1a9540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:35:55, skipping insertion in model container [2024-11-07 20:35:55,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:35:55" (3/3) ... [2024-11-07 20:35:55,333 INFO L112 eAbstractionObserver]: Analyzing ICFG hard-ll_valuebound2.c [2024-11-07 20:35:55,342 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 20:35:55,342 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-11-07 20:35:55,374 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 20:35:55,383 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;@5c45d19a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 20:35:55,383 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-07 20:35:55,386 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 44 states have (on average 1.75) internal successors, (77), 68 states have internal predecessors, (77), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 20:35:55,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-07 20:35:55,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:35:55,391 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:35:55,391 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:35:55,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:35:55,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1890980195, now seen corresponding path program 1 times [2024-11-07 20:35:55,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:35:55,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18082279] [2024-11-07 20:35:55,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:35:55,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:35:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:55,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:35:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:55,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:35:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:55,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:35:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:55,504 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:35:55,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:35:55,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18082279] [2024-11-07 20:35:55,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18082279] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:35:55,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:35:55,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:35:55,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958104275] [2024-11-07 20:35:55,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:35:55,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 20:35:55,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:35:55,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 20:35:55,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 20:35:55,520 INFO L87 Difference]: Start difference. First operand has 81 states, 44 states have (on average 1.75) internal successors, (77), 68 states have internal predecessors, (77), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 20:35:55,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:35:55,533 INFO L93 Difference]: Finished difference Result 158 states and 199 transitions. [2024-11-07 20:35:55,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 20:35:55,535 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2024-11-07 20:35:55,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:35:55,539 INFO L225 Difference]: With dead ends: 158 [2024-11-07 20:35:55,539 INFO L226 Difference]: Without dead ends: 73 [2024-11-07 20:35:55,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 20:35:55,542 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:35:55,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:35:55,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-07 20:35:55,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-07 20:35:55,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 39 states have (on average 1.6666666666666667) internal successors, (65), 62 states have internal predecessors, (65), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:35:55,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 81 transitions. [2024-11-07 20:35:55,572 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 81 transitions. Word has length 22 [2024-11-07 20:35:55,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:35:55,572 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 81 transitions. [2024-11-07 20:35:55,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 20:35:55,572 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2024-11-07 20:35:55,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-07 20:35:55,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:35:55,574 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:35:55,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 20:35:55,574 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:35:55,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:35:55,575 INFO L85 PathProgramCache]: Analyzing trace with hash 422543756, now seen corresponding path program 1 times [2024-11-07 20:35:55,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:35:55,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852400404] [2024-11-07 20:35:55,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:35:55,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:35:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:35:55,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1267308094] [2024-11-07 20:35:55,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:35:55,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:35:55,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:35:55,615 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 20:35:55,616 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 20:35:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:55,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:35:55,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:35:55,686 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-07 20:35:55,686 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:35:55,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:35:55,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852400404] [2024-11-07 20:35:55,686 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:35:55,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267308094] [2024-11-07 20:35:55,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1267308094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:35:55,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:35:55,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:35:55,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846228376] [2024-11-07 20:35:55,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:35:55,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:35:55,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:35:55,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:35:55,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:35:55,690 INFO L87 Difference]: Start difference. First operand 73 states and 81 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:35:55,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:35:55,752 INFO L93 Difference]: Finished difference Result 149 states and 168 transitions. [2024-11-07 20:35:55,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:35:55,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 31 [2024-11-07 20:35:55,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:35:55,753 INFO L225 Difference]: With dead ends: 149 [2024-11-07 20:35:55,753 INFO L226 Difference]: Without dead ends: 100 [2024-11-07 20:35:55,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 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 20:35:55,754 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 20 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:35:55,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 131 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:35:55,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-07 20:35:55,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 94. [2024-11-07 20:35:55,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 55 states have (on average 1.6) internal successors, (88), 78 states have internal predecessors, (88), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 20:35:55,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 114 transitions. [2024-11-07 20:35:55,768 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 114 transitions. Word has length 31 [2024-11-07 20:35:55,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:35:55,770 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 114 transitions. [2024-11-07 20:35:55,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:35:55,771 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2024-11-07 20:35:55,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-07 20:35:55,771 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:35:55,771 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-07 20:35:55,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-07 20:35:55,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:35:55,977 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:35:55,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:35:55,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1895928885, now seen corresponding path program 1 times [2024-11-07 20:35:55,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:35:55,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449234155] [2024-11-07 20:35:55,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:35:55,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:35:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:56,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:35:56,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:56,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:35:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:56,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:35:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:56,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:35:56,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:56,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 20:35:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:56,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:35:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:56,109 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 20:35:56,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:35:56,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449234155] [2024-11-07 20:35:56,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449234155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:35:56,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:35:56,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:35:56,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441204134] [2024-11-07 20:35:56,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:35:56,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:35:56,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:35:56,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:35:56,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:35:56,111 INFO L87 Difference]: Start difference. First operand 94 states and 114 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 20:35:56,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:35:56,193 INFO L93 Difference]: Finished difference Result 94 states and 114 transitions. [2024-11-07 20:35:56,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:35:56,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 39 [2024-11-07 20:35:56,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:35:56,196 INFO L225 Difference]: With dead ends: 94 [2024-11-07 20:35:56,197 INFO L226 Difference]: Without dead ends: 92 [2024-11-07 20:35:56,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 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 20:35:56,198 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 39 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:35:56,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 77 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:35:56,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-07 20:35:56,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-07 20:35:56,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 55 states have (on average 1.5454545454545454) internal successors, (85), 76 states have internal predecessors, (85), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 20:35:56,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 111 transitions. [2024-11-07 20:35:56,211 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 111 transitions. Word has length 39 [2024-11-07 20:35:56,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:35:56,211 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 111 transitions. [2024-11-07 20:35:56,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 20:35:56,211 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 111 transitions. [2024-11-07 20:35:56,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-07 20:35:56,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:35:56,212 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-07 20:35:56,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 20:35:56,213 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:35:56,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:35:56,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1355748025, now seen corresponding path program 1 times [2024-11-07 20:35:56,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:35:56,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396578298] [2024-11-07 20:35:56,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:35:56,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:35:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:35:56,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1860077038] [2024-11-07 20:35:56,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:35:56,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:35:56,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:35:56,257 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 20:35:56,258 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 20:35:56,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:56,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:35:56,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:35:56,333 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 20:35:56,333 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:35:56,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:35:56,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396578298] [2024-11-07 20:35:56,333 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:35:56,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860077038] [2024-11-07 20:35:56,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860077038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:35:56,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:35:56,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:35:56,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702453653] [2024-11-07 20:35:56,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:35:56,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:35:56,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:35:56,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:35:56,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:35:56,335 INFO L87 Difference]: Start difference. First operand 92 states and 111 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 20:35:56,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:35:56,379 INFO L93 Difference]: Finished difference Result 126 states and 154 transitions. [2024-11-07 20:35:56,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:35:56,380 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 40 [2024-11-07 20:35:56,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:35:56,380 INFO L225 Difference]: With dead ends: 126 [2024-11-07 20:35:56,380 INFO L226 Difference]: Without dead ends: 122 [2024-11-07 20:35:56,381 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 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 20:35:56,381 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 37 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:35:56,381 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 105 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:35:56,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-07 20:35:56,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 109. [2024-11-07 20:35:56,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 70 states have (on average 1.5285714285714285) internal successors, (107), 91 states have internal predecessors, (107), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-07 20:35:56,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 137 transitions. [2024-11-07 20:35:56,393 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 137 transitions. Word has length 40 [2024-11-07 20:35:56,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:35:56,393 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 137 transitions. [2024-11-07 20:35:56,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 20:35:56,393 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 137 transitions. [2024-11-07 20:35:56,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-07 20:35:56,395 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:35:56,395 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-07 20:35:56,407 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 20:35:56,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:35:56,595 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:35:56,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:35:56,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1355746647, now seen corresponding path program 1 times [2024-11-07 20:35:56,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:35:56,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667931556] [2024-11-07 20:35:56,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:35:56,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:35:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:56,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:35:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:56,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:35:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:56,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:35:56,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:56,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:35:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:56,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 20:35:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:56,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:35:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:56,678 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 20:35:56,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:35:56,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667931556] [2024-11-07 20:35:56,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667931556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:35:56,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:35:56,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:35:56,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039541520] [2024-11-07 20:35:56,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:35:56,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:35:56,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:35:56,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:35:56,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:35:56,679 INFO L87 Difference]: Start difference. First operand 109 states and 137 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 20:35:56,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:35:56,710 INFO L93 Difference]: Finished difference Result 116 states and 142 transitions. [2024-11-07 20:35:56,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:35:56,710 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 40 [2024-11-07 20:35:56,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:35:56,711 INFO L225 Difference]: With dead ends: 116 [2024-11-07 20:35:56,711 INFO L226 Difference]: Without dead ends: 115 [2024-11-07 20:35:56,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 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 20:35:56,712 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 14 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:35:56,712 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 126 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:35:56,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-07 20:35:56,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 109. [2024-11-07 20:35:56,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 70 states have (on average 1.5142857142857142) internal successors, (106), 91 states have internal predecessors, (106), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-07 20:35:56,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 136 transitions. [2024-11-07 20:35:56,719 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 136 transitions. Word has length 40 [2024-11-07 20:35:56,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:35:56,719 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 136 transitions. [2024-11-07 20:35:56,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 20:35:56,720 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 136 transitions. [2024-11-07 20:35:56,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-07 20:35:56,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:35:56,720 INFO L215 NwaCegarLoop]: trace histogram [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, 1] [2024-11-07 20:35:56,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 20:35:56,720 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:35:56,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:35:56,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1498758743, now seen corresponding path program 1 times [2024-11-07 20:35:56,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:35:56,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956795550] [2024-11-07 20:35:56,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:35:56,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:35:56,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:56,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:35:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:56,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:35:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:56,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:35:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:56,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:35:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:56,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 20:35:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:56,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:35:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:56,802 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 20:35:56,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:35:56,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956795550] [2024-11-07 20:35:56,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956795550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:35:56,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:35:56,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:35:56,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683627943] [2024-11-07 20:35:56,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:35:56,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:35:56,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:35:56,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:35:56,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:35:56,804 INFO L87 Difference]: Start difference. First operand 109 states and 136 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 20:35:57,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:35:57,040 INFO L93 Difference]: Finished difference Result 124 states and 150 transitions. [2024-11-07 20:35:57,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:35:57,040 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 42 [2024-11-07 20:35:57,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:35:57,041 INFO L225 Difference]: With dead ends: 124 [2024-11-07 20:35:57,041 INFO L226 Difference]: Without dead ends: 123 [2024-11-07 20:35:57,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:35:57,042 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 85 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:35:57,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 108 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:35:57,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-07 20:35:57,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 113. [2024-11-07 20:35:57,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 74 states have (on average 1.4864864864864864) internal successors, (110), 95 states have internal predecessors, (110), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-07 20:35:57,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 140 transitions. [2024-11-07 20:35:57,058 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 140 transitions. Word has length 42 [2024-11-07 20:35:57,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:35:57,058 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 140 transitions. [2024-11-07 20:35:57,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 20:35:57,058 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 140 transitions. [2024-11-07 20:35:57,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-07 20:35:57,059 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:35:57,059 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1] [2024-11-07 20:35:57,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 20:35:57,059 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:35:57,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:35:57,060 INFO L85 PathProgramCache]: Analyzing trace with hash 783119308, now seen corresponding path program 1 times [2024-11-07 20:35:57,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:35:57,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660220001] [2024-11-07 20:35:57,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:35:57,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:35:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:35:57,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1069032810] [2024-11-07 20:35:57,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:35:57,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:35:57,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:35:57,078 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 20:35:57,080 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 20:35:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:57,116 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:35:57,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:35:57,189 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 20:35:57,190 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:35:57,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:35:57,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660220001] [2024-11-07 20:35:57,190 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:35:57,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069032810] [2024-11-07 20:35:57,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069032810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:35:57,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:35:57,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:35:57,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151497520] [2024-11-07 20:35:57,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:35:57,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:35:57,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:35:57,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:35:57,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:35:57,192 INFO L87 Difference]: Start difference. First operand 113 states and 140 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 20:35:57,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:35:57,244 INFO L93 Difference]: Finished difference Result 124 states and 147 transitions. [2024-11-07 20:35:57,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:35:57,245 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 43 [2024-11-07 20:35:57,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:35:57,246 INFO L225 Difference]: With dead ends: 124 [2024-11-07 20:35:57,246 INFO L226 Difference]: Without dead ends: 121 [2024-11-07 20:35:57,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 41 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 20:35:57,246 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 30 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:35:57,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 98 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:35:57,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-07 20:35:57,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 114. [2024-11-07 20:35:57,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 75 states have (on average 1.4533333333333334) internal successors, (109), 96 states have internal predecessors, (109), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-07 20:35:57,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 139 transitions. [2024-11-07 20:35:57,263 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 139 transitions. Word has length 43 [2024-11-07 20:35:57,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:35:57,264 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 139 transitions. [2024-11-07 20:35:57,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 20:35:57,264 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 139 transitions. [2024-11-07 20:35:57,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-07 20:35:57,264 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:35:57,265 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:35:57,278 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 20:35:57,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:35:57,469 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:35:57,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:35:57,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1636648139, now seen corresponding path program 1 times [2024-11-07 20:35:57,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:35:57,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780623293] [2024-11-07 20:35:57,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:35:57,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:35:57,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:35:57,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1142764328] [2024-11-07 20:35:57,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:35:57,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:35:57,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:35:57,480 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 20:35:57,481 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 20:35:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:57,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-07 20:35:57,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:35:57,675 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-07 20:35:57,675 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:35:57,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:35:57,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780623293] [2024-11-07 20:35:57,814 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:35:57,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142764328] [2024-11-07 20:35:57,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1142764328] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:35:57,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:35:57,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-07 20:35:57,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457973590] [2024-11-07 20:35:57,815 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:35:57,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:35:57,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:35:57,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:35:57,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:35:57,816 INFO L87 Difference]: Start difference. First operand 114 states and 139 transitions. Second operand has 8 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 8 states have internal predecessors, (23), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-07 20:35:58,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:35:58,104 INFO L93 Difference]: Finished difference Result 130 states and 160 transitions. [2024-11-07 20:35:58,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:35:58,104 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 8 states have internal predecessors, (23), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 54 [2024-11-07 20:35:58,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:35:58,105 INFO L225 Difference]: With dead ends: 130 [2024-11-07 20:35:58,105 INFO L226 Difference]: Without dead ends: 122 [2024-11-07 20:35:58,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2024-11-07 20:35:58,105 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 114 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:35:58,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 237 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:35:58,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-07 20:35:58,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 120. [2024-11-07 20:35:58,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 83 states have (on average 1.3493975903614457) internal successors, (112), 100 states have internal predecessors, (112), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-07 20:35:58,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 146 transitions. [2024-11-07 20:35:58,123 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 146 transitions. Word has length 54 [2024-11-07 20:35:58,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:35:58,124 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 146 transitions. [2024-11-07 20:35:58,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 8 states have internal predecessors, (23), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-07 20:35:58,124 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 146 transitions. [2024-11-07 20:35:58,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-07 20:35:58,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:35:58,125 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:35:58,137 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-07 20:35:58,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-11-07 20:35:58,326 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:35:58,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:35:58,326 INFO L85 PathProgramCache]: Analyzing trace with hash -803515191, now seen corresponding path program 1 times [2024-11-07 20:35:58,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:35:58,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705574051] [2024-11-07 20:35:58,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:35:58,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:35:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:35:58,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [550067444] [2024-11-07 20:35:58,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:35:58,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:35:58,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:35:58,341 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 20:35:58,349 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 20:35:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:58,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-07 20:35:58,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:35:58,520 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-07 20:35:58,521 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:35:58,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:35:58,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705574051] [2024-11-07 20:35:58,639 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:35:58,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550067444] [2024-11-07 20:35:58,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [550067444] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:35:58,640 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:35:58,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-07 20:35:58,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839818514] [2024-11-07 20:35:58,640 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:35:58,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:35:58,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:35:58,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:35:58,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:35:58,641 INFO L87 Difference]: Start difference. First operand 120 states and 146 transitions. Second operand has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-07 20:35:58,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:35:58,900 INFO L93 Difference]: Finished difference Result 192 states and 245 transitions. [2024-11-07 20:35:58,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 20:35:58,900 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 55 [2024-11-07 20:35:58,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:35:58,902 INFO L225 Difference]: With dead ends: 192 [2024-11-07 20:35:58,902 INFO L226 Difference]: Without dead ends: 188 [2024-11-07 20:35:58,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2024-11-07 20:35:58,903 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 163 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:35:58,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 287 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:35:58,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-07 20:35:58,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 179. [2024-11-07 20:35:58,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 133 states have (on average 1.3533834586466165) internal successors, (180), 150 states have internal predecessors, (180), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-07 20:35:58,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 232 transitions. [2024-11-07 20:35:58,916 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 232 transitions. Word has length 55 [2024-11-07 20:35:58,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:35:58,916 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 232 transitions. [2024-11-07 20:35:58,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-07 20:35:58,917 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 232 transitions. [2024-11-07 20:35:58,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-07 20:35:58,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:35:58,918 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:35:58,930 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 20:35:59,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:35:59,119 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:35:59,119 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:35:59,119 INFO L85 PathProgramCache]: Analyzing trace with hash 2102091629, now seen corresponding path program 1 times [2024-11-07 20:35:59,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:35:59,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618925577] [2024-11-07 20:35:59,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:35:59,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:35:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:59,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:35:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:59,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:35:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:59,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:35:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:59,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:35:59,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:59,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 20:35:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:59,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:35:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:59,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 20:35:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:59,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 20:35:59,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:59,209 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-07 20:35:59,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:35:59,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618925577] [2024-11-07 20:35:59,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618925577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:35:59,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:35:59,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:35:59,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121234234] [2024-11-07 20:35:59,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:35:59,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:35:59,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:35:59,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:35:59,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:35:59,210 INFO L87 Difference]: Start difference. First operand 179 states and 232 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-07 20:35:59,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:35:59,580 INFO L93 Difference]: Finished difference Result 188 states and 241 transitions. [2024-11-07 20:35:59,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:35:59,583 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 59 [2024-11-07 20:35:59,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:35:59,585 INFO L225 Difference]: With dead ends: 188 [2024-11-07 20:35:59,585 INFO L226 Difference]: Without dead ends: 173 [2024-11-07 20:35:59,585 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:35:59,586 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 39 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:35:59,586 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 139 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:35:59,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-07 20:35:59,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 146. [2024-11-07 20:35:59,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 106 states have (on average 1.4056603773584906) internal successors, (149), 123 states have internal predecessors, (149), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 20:35:59,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 189 transitions. [2024-11-07 20:35:59,599 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 189 transitions. Word has length 59 [2024-11-07 20:35:59,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:35:59,599 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 189 transitions. [2024-11-07 20:35:59,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-07 20:35:59,600 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 189 transitions. [2024-11-07 20:35:59,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-07 20:35:59,601 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:35:59,601 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 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 20:35:59,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 20:35:59,602 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:35:59,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:35:59,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1900976566, now seen corresponding path program 1 times [2024-11-07 20:35:59,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:35:59,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402504961] [2024-11-07 20:35:59,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:35:59,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:35:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:59,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:35:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:59,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:35:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:59,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:35:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:59,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:35:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:59,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 20:35:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:59,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:35:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:59,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 20:35:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:59,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 20:35:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:59,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 20:35:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:59,681 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-07 20:35:59,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:35:59,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402504961] [2024-11-07 20:35:59,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402504961] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:35:59,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447652304] [2024-11-07 20:35:59,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:35:59,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:35:59,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:35:59,683 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 20:35:59,685 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 20:35:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:35:59,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:35:59,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:35:59,752 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-07 20:35:59,752 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:35:59,807 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-07 20:35:59,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447652304] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:35:59,808 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:35:59,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-07 20:35:59,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152776949] [2024-11-07 20:35:59,808 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:35:59,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:35:59,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:35:59,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:35:59,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:35:59,809 INFO L87 Difference]: Start difference. First operand 146 states and 189 transitions. Second operand has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-07 20:35:59,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:35:59,923 INFO L93 Difference]: Finished difference Result 256 states and 328 transitions. [2024-11-07 20:35:59,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:35:59,924 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 63 [2024-11-07 20:35:59,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:35:59,925 INFO L225 Difference]: With dead ends: 256 [2024-11-07 20:35:59,925 INFO L226 Difference]: Without dead ends: 254 [2024-11-07 20:35:59,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:35:59,929 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 101 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:35:59,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 233 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:35:59,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2024-11-07 20:35:59,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 204. [2024-11-07 20:35:59,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 154 states have (on average 1.4025974025974026) internal successors, (216), 171 states have internal predecessors, (216), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-07 20:35:59,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 276 transitions. [2024-11-07 20:35:59,942 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 276 transitions. Word has length 63 [2024-11-07 20:35:59,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:35:59,943 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 276 transitions. [2024-11-07 20:35:59,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.8) internal successors, (39), 6 states have internal predecessors, (39), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-07 20:35:59,943 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 276 transitions. [2024-11-07 20:35:59,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-07 20:35:59,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:35:59,943 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:35:59,957 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 20:36:00,144 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,SelfDestructingSolverStorable10 [2024-11-07 20:36:00,144 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:36:00,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:36:00,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1677921032, now seen corresponding path program 2 times [2024-11-07 20:36:00,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:36:00,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275726564] [2024-11-07 20:36:00,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:36:00,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:36:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:36:00,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [692228345] [2024-11-07 20:36:00,155 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:36:00,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:36:00,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:36:00,157 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 20:36:00,158 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 20:36:00,195 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:36:00,195 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:36:00,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 20:36:00,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:36:00,394 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-07 20:36:00,394 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:36:00,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:36:00,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275726564] [2024-11-07 20:36:00,513 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:36:00,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692228345] [2024-11-07 20:36:00,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692228345] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:36:00,514 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:36:00,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-07 20:36:00,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674127348] [2024-11-07 20:36:00,514 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:36:00,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 20:36:00,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:36:00,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 20:36:00,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-07 20:36:00,515 INFO L87 Difference]: Start difference. First operand 204 states and 276 transitions. Second operand has 10 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 10 states have internal predecessors, (32), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-07 20:36:00,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:36:00,947 INFO L93 Difference]: Finished difference Result 274 states and 367 transitions. [2024-11-07 20:36:00,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 20:36:00,948 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 10 states have internal predecessors, (32), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 78 [2024-11-07 20:36:00,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:36:00,949 INFO L225 Difference]: With dead ends: 274 [2024-11-07 20:36:00,949 INFO L226 Difference]: Without dead ends: 270 [2024-11-07 20:36:00,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2024-11-07 20:36:00,950 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 135 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:36:00,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 436 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:36:00,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-07 20:36:00,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 204. [2024-11-07 20:36:00,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 154 states have (on average 1.3896103896103895) internal successors, (214), 171 states have internal predecessors, (214), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-07 20:36:00,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 274 transitions. [2024-11-07 20:36:00,962 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 274 transitions. Word has length 78 [2024-11-07 20:36:00,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:36:00,962 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 274 transitions. [2024-11-07 20:36:00,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 10 states have internal predecessors, (32), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-07 20:36:00,962 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 274 transitions. [2024-11-07 20:36:00,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-07 20:36:00,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:36:00,963 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:36:00,974 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 20:36:01,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:36:01,164 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:36:01,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:36:01,164 INFO L85 PathProgramCache]: Analyzing trace with hash 343448633, now seen corresponding path program 1 times [2024-11-07 20:36:01,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:36:01,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091955031] [2024-11-07 20:36:01,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:36:01,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:36:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:36:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:36:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:36:01,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:36:01,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 20:36:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:36:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 20:36:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 20:36:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 20:36:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 20:36:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 20:36:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,214 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2024-11-07 20:36:01,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:36:01,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091955031] [2024-11-07 20:36:01,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091955031] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:36:01,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:36:01,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:36:01,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822929827] [2024-11-07 20:36:01,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:36:01,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:36:01,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:36:01,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:36:01,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:36:01,216 INFO L87 Difference]: Start difference. First operand 204 states and 274 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-07 20:36:01,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:36:01,259 INFO L93 Difference]: Finished difference Result 204 states and 274 transitions. [2024-11-07 20:36:01,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:36:01,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 85 [2024-11-07 20:36:01,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:36:01,261 INFO L225 Difference]: With dead ends: 204 [2024-11-07 20:36:01,261 INFO L226 Difference]: Without dead ends: 203 [2024-11-07 20:36:01,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 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 20:36:01,261 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 2 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:36:01,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 116 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:36:01,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-07 20:36:01,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2024-11-07 20:36:01,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 154 states have (on average 1.37012987012987) internal successors, (211), 170 states have internal predecessors, (211), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-07 20:36:01,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 271 transitions. [2024-11-07 20:36:01,272 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 271 transitions. Word has length 85 [2024-11-07 20:36:01,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:36:01,273 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 271 transitions. [2024-11-07 20:36:01,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-07 20:36:01,273 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 271 transitions. [2024-11-07 20:36:01,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-07 20:36:01,273 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:36:01,273 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:36:01,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 20:36:01,274 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:36:01,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:36:01,274 INFO L85 PathProgramCache]: Analyzing trace with hash 2056973142, now seen corresponding path program 1 times [2024-11-07 20:36:01,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:36:01,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454892019] [2024-11-07 20:36:01,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:36:01,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:36:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:36:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:36:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:36:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:36:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 20:36:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:36:01,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 20:36:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 20:36:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 20:36:01,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 20:36:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 20:36:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,420 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2024-11-07 20:36:01,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:36:01,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454892019] [2024-11-07 20:36:01,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454892019] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:36:01,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:36:01,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 20:36:01,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929038513] [2024-11-07 20:36:01,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:36:01,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:36:01,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:36:01,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:36:01,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:36:01,421 INFO L87 Difference]: Start difference. First operand 203 states and 271 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 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 20:36:01,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:36:01,726 INFO L93 Difference]: Finished difference Result 364 states and 506 transitions. [2024-11-07 20:36:01,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:36:01,726 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 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 86 [2024-11-07 20:36:01,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:36:01,728 INFO L225 Difference]: With dead ends: 364 [2024-11-07 20:36:01,728 INFO L226 Difference]: Without dead ends: 363 [2024-11-07 20:36:01,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:36:01,728 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 94 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:36:01,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 264 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:36:01,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-07 20:36:01,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 305. [2024-11-07 20:36:01,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 244 states have (on average 1.4344262295081966) internal successors, (350), 260 states have internal predecessors, (350), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-07 20:36:01,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 434 transitions. [2024-11-07 20:36:01,752 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 434 transitions. Word has length 86 [2024-11-07 20:36:01,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:36:01,752 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 434 transitions. [2024-11-07 20:36:01,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 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 20:36:01,752 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 434 transitions. [2024-11-07 20:36:01,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-07 20:36:01,752 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:36:01,752 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:36:01,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 20:36:01,753 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:36:01,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:36:01,753 INFO L85 PathProgramCache]: Analyzing trace with hash -658341925, now seen corresponding path program 1 times [2024-11-07 20:36:01,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:36:01,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290147723] [2024-11-07 20:36:01,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:36:01,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:36:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:36:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:36:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:36:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:36:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 20:36:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:36:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 20:36:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 20:36:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 20:36:01,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 20:36:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 20:36:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,931 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-07 20:36:01,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:36:01,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290147723] [2024-11-07 20:36:01,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290147723] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:36:01,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998072517] [2024-11-07 20:36:01,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:36:01,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:36:01,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:36:01,933 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 20:36:01,934 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 20:36:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:01,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:36:01,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:36:02,095 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2024-11-07 20:36:02,095 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:36:02,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998072517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:36:02,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:36:02,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-07 20:36:02,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71558821] [2024-11-07 20:36:02,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:36:02,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:36:02,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:36:02,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:36:02,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:36:02,097 INFO L87 Difference]: Start difference. First operand 305 states and 434 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-07 20:36:02,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:36:02,265 INFO L93 Difference]: Finished difference Result 364 states and 505 transitions. [2024-11-07 20:36:02,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:36:02,265 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 87 [2024-11-07 20:36:02,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:36:02,267 INFO L225 Difference]: With dead ends: 364 [2024-11-07 20:36:02,267 INFO L226 Difference]: Without dead ends: 363 [2024-11-07 20:36:02,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 106 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:36:02,268 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 44 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:36:02,268 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 170 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:36:02,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-07 20:36:02,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 314. [2024-11-07 20:36:02,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 253 states have (on average 1.4189723320158103) internal successors, (359), 269 states have internal predecessors, (359), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-07 20:36:02,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 443 transitions. [2024-11-07 20:36:02,292 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 443 transitions. Word has length 87 [2024-11-07 20:36:02,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:36:02,292 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 443 transitions. [2024-11-07 20:36:02,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-07 20:36:02,292 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 443 transitions. [2024-11-07 20:36:02,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-07 20:36:02,293 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:36:02,293 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:36:02,305 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-07 20:36:02,497 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 20:36:02,497 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:36:02,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:36:02,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1066236920, now seen corresponding path program 1 times [2024-11-07 20:36:02,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:36:02,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992201020] [2024-11-07 20:36:02,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:36:02,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:36:02,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:02,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:36:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:02,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:36:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:02,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:36:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:02,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:36:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:02,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 20:36:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:02,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:36:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:02,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 20:36:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:02,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 20:36:02,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:02,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 20:36:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:02,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 20:36:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:02,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 20:36:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:02,615 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-07 20:36:02,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:36:02,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992201020] [2024-11-07 20:36:02,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992201020] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:36:02,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472962139] [2024-11-07 20:36:02,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:36:02,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:36:02,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:36:02,617 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 20:36:02,619 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 20:36:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:02,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:36:02,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:36:02,732 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2024-11-07 20:36:02,732 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:36:02,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472962139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:36:02,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:36:02,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-07 20:36:02,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890524943] [2024-11-07 20:36:02,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:36:02,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:36:02,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:36:02,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:36:02,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:36:02,733 INFO L87 Difference]: Start difference. First operand 314 states and 443 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-07 20:36:02,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:36:02,897 INFO L93 Difference]: Finished difference Result 321 states and 449 transitions. [2024-11-07 20:36:02,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:36:02,898 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 88 [2024-11-07 20:36:02,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:36:02,899 INFO L225 Difference]: With dead ends: 321 [2024-11-07 20:36:02,899 INFO L226 Difference]: Without dead ends: 319 [2024-11-07 20:36:02,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:36:02,900 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 25 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:36:02,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 124 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:36:02,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-07 20:36:02,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 317. [2024-11-07 20:36:02,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 256 states have (on average 1.40625) internal successors, (360), 272 states have internal predecessors, (360), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-07 20:36:02,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 444 transitions. [2024-11-07 20:36:02,919 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 444 transitions. Word has length 88 [2024-11-07 20:36:02,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:36:02,919 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 444 transitions. [2024-11-07 20:36:02,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-07 20:36:02,920 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 444 transitions. [2024-11-07 20:36:02,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-07 20:36:02,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:36:02,920 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:36:02,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-07 20:36:03,121 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 20:36:03,121 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:36:03,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:36:03,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1843501158, now seen corresponding path program 1 times [2024-11-07 20:36:03,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:36:03,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187820261] [2024-11-07 20:36:03,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:36:03,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:36:03,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:36:03,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [26066953] [2024-11-07 20:36:03,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:36:03,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:36:03,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:36:03,138 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 20:36:03,139 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 20:36:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:03,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-07 20:36:03,180 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:36:03,562 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-07 20:36:03,562 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:36:03,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:36:03,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187820261] [2024-11-07 20:36:03,896 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:36:03,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26066953] [2024-11-07 20:36:03,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26066953] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:36:03,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:36:03,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-07 20:36:03,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6261175] [2024-11-07 20:36:03,896 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:36:03,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 20:36:03,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:36:03,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 20:36:03,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2024-11-07 20:36:03,897 INFO L87 Difference]: Start difference. First operand 317 states and 444 transitions. Second operand has 12 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-07 20:36:04,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:36:04,252 INFO L93 Difference]: Finished difference Result 394 states and 547 transitions. [2024-11-07 20:36:04,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 20:36:04,253 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 90 [2024-11-07 20:36:04,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:36:04,254 INFO L225 Difference]: With dead ends: 394 [2024-11-07 20:36:04,254 INFO L226 Difference]: Without dead ends: 393 [2024-11-07 20:36:04,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-07 20:36:04,255 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 113 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:36:04,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 290 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:36:04,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2024-11-07 20:36:04,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 366. [2024-11-07 20:36:04,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 299 states have (on average 1.3812709030100334) internal successors, (413), 315 states have internal predecessors, (413), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-07 20:36:04,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 509 transitions. [2024-11-07 20:36:04,279 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 509 transitions. Word has length 90 [2024-11-07 20:36:04,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:36:04,280 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 509 transitions. [2024-11-07 20:36:04,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-07 20:36:04,280 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 509 transitions. [2024-11-07 20:36:04,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-07 20:36:04,280 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:36:04,281 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:36:04,292 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 20:36:04,481 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 20:36:04,482 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:36:04,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:36:04,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1313960969, now seen corresponding path program 1 times [2024-11-07 20:36:04,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:36:04,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440549661] [2024-11-07 20:36:04,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:36:04,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:36:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:36:04,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1965805703] [2024-11-07 20:36:04,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:36:04,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:36:04,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:36:04,495 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 20:36:04,496 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 20:36:04,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:04,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-07 20:36:04,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:36:04,863 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-07 20:36:04,863 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:36:05,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:36:05,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440549661] [2024-11-07 20:36:05,078 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:36:05,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965805703] [2024-11-07 20:36:05,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965805703] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:36:05,078 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:36:05,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-07 20:36:05,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083378768] [2024-11-07 20:36:05,078 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:36:05,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 20:36:05,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:36:05,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 20:36:05,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2024-11-07 20:36:05,079 INFO L87 Difference]: Start difference. First operand 366 states and 509 transitions. Second operand has 12 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-07 20:36:05,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:36:05,405 INFO L93 Difference]: Finished difference Result 429 states and 596 transitions. [2024-11-07 20:36:05,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 20:36:05,406 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 91 [2024-11-07 20:36:05,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:36:05,408 INFO L225 Difference]: With dead ends: 429 [2024-11-07 20:36:05,408 INFO L226 Difference]: Without dead ends: 428 [2024-11-07 20:36:05,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2024-11-07 20:36:05,408 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 96 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:36:05,408 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 303 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:36:05,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2024-11-07 20:36:05,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 415. [2024-11-07 20:36:05,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 342 states have (on average 1.3567251461988303) internal successors, (464), 358 states have internal predecessors, (464), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-07 20:36:05,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 572 transitions. [2024-11-07 20:36:05,434 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 572 transitions. Word has length 91 [2024-11-07 20:36:05,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:36:05,434 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 572 transitions. [2024-11-07 20:36:05,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.090909090909091) internal successors, (45), 11 states have internal predecessors, (45), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-07 20:36:05,434 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 572 transitions. [2024-11-07 20:36:05,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-07 20:36:05,435 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:36:05,435 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:36:05,447 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-07 20:36:05,635 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 20:36:05,636 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:36:05,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:36:05,636 INFO L85 PathProgramCache]: Analyzing trace with hash -2078084292, now seen corresponding path program 1 times [2024-11-07 20:36:05,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:36:05,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334078204] [2024-11-07 20:36:05,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:36:05,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:36:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:05,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:36:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:05,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:36:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:05,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:36:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:05,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:36:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:05,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 20:36:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:05,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:36:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:05,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 20:36:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:05,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 20:36:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:05,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 20:36:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:05,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 20:36:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:05,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 20:36:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:05,692 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2024-11-07 20:36:05,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:36:05,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334078204] [2024-11-07 20:36:05,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334078204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:36:05,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:36:05,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:36:05,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669600499] [2024-11-07 20:36:05,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:36:05,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:36:05,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:36:05,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:36:05,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:36:05,693 INFO L87 Difference]: Start difference. First operand 415 states and 572 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-07 20:36:05,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:36:05,854 INFO L93 Difference]: Finished difference Result 415 states and 572 transitions. [2024-11-07 20:36:05,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:36:05,855 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 92 [2024-11-07 20:36:05,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:36:05,856 INFO L225 Difference]: With dead ends: 415 [2024-11-07 20:36:05,856 INFO L226 Difference]: Without dead ends: 414 [2024-11-07 20:36:05,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:36:05,856 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 71 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:36:05,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 116 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:36:05,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-11-07 20:36:05,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 402. [2024-11-07 20:36:05,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 330 states have (on average 1.3272727272727274) internal successors, (438), 345 states have internal predecessors, (438), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-07 20:36:05,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 546 transitions. [2024-11-07 20:36:05,879 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 546 transitions. Word has length 92 [2024-11-07 20:36:05,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:36:05,879 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 546 transitions. [2024-11-07 20:36:05,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2024-11-07 20:36:05,879 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 546 transitions. [2024-11-07 20:36:05,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-07 20:36:05,880 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:36:05,880 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:36:05,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 20:36:05,880 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:36:05,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:36:05,880 INFO L85 PathProgramCache]: Analyzing trace with hash 3896473, now seen corresponding path program 1 times [2024-11-07 20:36:05,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:36:05,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805856980] [2024-11-07 20:36:05,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:36:05,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:36:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:06,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:36:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:06,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:36:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:06,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:36:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:06,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:36:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:06,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 20:36:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:06,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:36:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:06,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 20:36:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:06,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 20:36:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:06,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 20:36:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:06,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 20:36:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:06,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 20:36:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:06,152 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-07 20:36:06,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:36:06,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805856980] [2024-11-07 20:36:06,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805856980] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:36:06,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249581094] [2024-11-07 20:36:06,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:36:06,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:36:06,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:36:06,155 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 20:36:06,156 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 20:36:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:06,200 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-07 20:36:06,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:36:06,814 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-07 20:36:06,814 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:36:07,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249581094] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:36:07,686 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:36:07,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 17 [2024-11-07 20:36:07,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166908148] [2024-11-07 20:36:07,686 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:36:07,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-07 20:36:07,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:36:07,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-07 20:36:07,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2024-11-07 20:36:07,687 INFO L87 Difference]: Start difference. First operand 402 states and 546 transitions. Second operand has 18 states, 17 states have (on average 4.823529411764706) internal successors, (82), 18 states have internal predecessors, (82), 8 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 7 states have call predecessors, (19), 8 states have call successors, (19) [2024-11-07 20:36:10,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:36:10,781 INFO L93 Difference]: Finished difference Result 791 states and 1076 transitions. [2024-11-07 20:36:10,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-07 20:36:10,782 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.823529411764706) internal successors, (82), 18 states have internal predecessors, (82), 8 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 7 states have call predecessors, (19), 8 states have call successors, (19) Word has length 93 [2024-11-07 20:36:10,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:36:10,784 INFO L225 Difference]: With dead ends: 791 [2024-11-07 20:36:10,784 INFO L226 Difference]: Without dead ends: 670 [2024-11-07 20:36:10,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 119 SyntacticMatches, 2 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 545 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=425, Invalid=1737, Unknown=0, NotChecked=0, Total=2162 [2024-11-07 20:36:10,785 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 594 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 847 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 941 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 847 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-07 20:36:10,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 524 Invalid, 941 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 847 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-07 20:36:10,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2024-11-07 20:36:10,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 529. [2024-11-07 20:36:10,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 445 states have (on average 1.3303370786516855) internal successors, (592), 460 states have internal predecessors, (592), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-07 20:36:10,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 724 transitions. [2024-11-07 20:36:10,827 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 724 transitions. Word has length 93 [2024-11-07 20:36:10,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:36:10,828 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 724 transitions. [2024-11-07 20:36:10,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.823529411764706) internal successors, (82), 18 states have internal predecessors, (82), 8 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 7 states have call predecessors, (19), 8 states have call successors, (19) [2024-11-07 20:36:10,828 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 724 transitions. [2024-11-07 20:36:10,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-07 20:36:10,829 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:36:10,829 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:36:10,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-07 20:36:11,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:36:11,029 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:36:11,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:36:11,030 INFO L85 PathProgramCache]: Analyzing trace with hash 2083569129, now seen corresponding path program 3 times [2024-11-07 20:36:11,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:36:11,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805702797] [2024-11-07 20:36:11,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:36:11,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:36:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:11,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:36:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:11,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:36:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:11,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:36:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:11,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:36:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:11,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 20:36:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:11,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:36:11,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:11,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 20:36:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:11,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 20:36:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:11,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 20:36:11,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:11,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 20:36:11,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:11,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 20:36:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:11,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 20:36:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:11,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 20:36:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:11,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 20:36:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:11,255 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 26 proven. 28 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-07 20:36:11,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:36:11,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805702797] [2024-11-07 20:36:11,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805702797] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:36:11,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2061502794] [2024-11-07 20:36:11,255 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:36:11,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:36:11,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:36:11,258 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 20:36:11,259 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 20:36:11,297 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-07 20:36:11,297 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:36:11,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-07 20:36:11,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:36:12,910 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 26 proven. 35 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2024-11-07 20:36:12,911 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:36:13,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2061502794] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:36:13,078 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:36:13,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 17 [2024-11-07 20:36:13,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380459140] [2024-11-07 20:36:13,078 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:36:13,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 20:36:13,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:36:13,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 20:36:13,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=364, Unknown=1, NotChecked=0, Total=420 [2024-11-07 20:36:13,080 INFO L87 Difference]: Start difference. First operand 529 states and 724 transitions. Second operand has 17 states, 16 states have (on average 3.75) internal successors, (60), 13 states have internal predecessors, (60), 10 states have call successors, (20), 1 states have call predecessors, (20), 3 states have return successors, (22), 11 states have call predecessors, (22), 10 states have call successors, (22) [2024-11-07 20:36:14,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:36:14,010 INFO L93 Difference]: Finished difference Result 549 states and 736 transitions. [2024-11-07 20:36:14,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-07 20:36:14,011 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.75) internal successors, (60), 13 states have internal predecessors, (60), 10 states have call successors, (20), 1 states have call predecessors, (20), 3 states have return successors, (22), 11 states have call predecessors, (22), 10 states have call successors, (22) Word has length 101 [2024-11-07 20:36:14,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:36:14,012 INFO L225 Difference]: With dead ends: 549 [2024-11-07 20:36:14,012 INFO L226 Difference]: Without dead ends: 241 [2024-11-07 20:36:14,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=322, Invalid=1009, Unknown=1, NotChecked=0, Total=1332 [2024-11-07 20:36:14,013 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 316 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 20:36:14,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 419 Invalid, 958 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 889 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 20:36:14,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-07 20:36:14,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 239. [2024-11-07 20:36:14,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 195 states have (on average 1.2205128205128206) internal successors, (238), 204 states have internal predecessors, (238), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-07 20:36:14,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 302 transitions. [2024-11-07 20:36:14,033 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 302 transitions. Word has length 101 [2024-11-07 20:36:14,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:36:14,034 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 302 transitions. [2024-11-07 20:36:14,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.75) internal successors, (60), 13 states have internal predecessors, (60), 10 states have call successors, (20), 1 states have call predecessors, (20), 3 states have return successors, (22), 11 states have call predecessors, (22), 10 states have call successors, (22) [2024-11-07 20:36:14,034 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 302 transitions. [2024-11-07 20:36:14,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-07 20:36:14,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:36:14,035 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:36:14,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-07 20:36:14,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:36:14,236 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:36:14,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:36:14,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1599808360, now seen corresponding path program 1 times [2024-11-07 20:36:14,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:36:14,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823987995] [2024-11-07 20:36:14,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:36:14,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:36:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:36:14,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [180022231] [2024-11-07 20:36:14,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:36:14,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:36:14,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:36:14,250 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 20:36:14,251 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 20:36:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:14,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 20:36:14,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:36:14,590 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-07 20:36:14,590 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:36:14,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:36:14,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823987995] [2024-11-07 20:36:14,894 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:36:14,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [180022231] [2024-11-07 20:36:14,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [180022231] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:36:14,894 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:36:14,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-07 20:36:14,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455115870] [2024-11-07 20:36:14,894 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:36:14,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 20:36:14,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:36:14,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 20:36:14,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-07 20:36:14,894 INFO L87 Difference]: Start difference. First operand 239 states and 302 transitions. Second operand has 9 states, 8 states have (on average 6.0) internal successors, (48), 9 states have internal predecessors, (48), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-07 20:36:15,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:36:15,167 INFO L93 Difference]: Finished difference Result 242 states and 304 transitions. [2024-11-07 20:36:15,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:36:15,169 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 9 states have internal predecessors, (48), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 107 [2024-11-07 20:36:15,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:36:15,170 INFO L225 Difference]: With dead ends: 242 [2024-11-07 20:36:15,171 INFO L226 Difference]: Without dead ends: 241 [2024-11-07 20:36:15,171 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-07 20:36:15,172 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 24 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:36:15,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 273 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:36:15,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-07 20:36:15,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 239. [2024-11-07 20:36:15,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 195 states have (on average 1.2153846153846153) internal successors, (237), 204 states have internal predecessors, (237), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-07 20:36:15,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 301 transitions. [2024-11-07 20:36:15,194 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 301 transitions. Word has length 107 [2024-11-07 20:36:15,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:36:15,194 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 301 transitions. [2024-11-07 20:36:15,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.0) internal successors, (48), 9 states have internal predecessors, (48), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-07 20:36:15,194 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 301 transitions. [2024-11-07 20:36:15,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-07 20:36:15,195 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:36:15,195 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:36:15,207 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-07 20:36:15,395 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,SelfDestructingSolverStorable21 [2024-11-07 20:36:15,396 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:36:15,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:36:15,396 INFO L85 PathProgramCache]: Analyzing trace with hash 182462010, now seen corresponding path program 1 times [2024-11-07 20:36:15,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:36:15,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850886953] [2024-11-07 20:36:15,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:36:15,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:36:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:15,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:36:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:15,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:36:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:15,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:36:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:15,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:36:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:15,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 20:36:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:15,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:36:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:15,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 20:36:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:15,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 20:36:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:15,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 20:36:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:15,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 20:36:15,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:15,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 20:36:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:15,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 20:36:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:15,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 20:36:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:15,495 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2024-11-07 20:36:15,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:36:15,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850886953] [2024-11-07 20:36:15,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850886953] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:36:15,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:36:15,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:36:15,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704302634] [2024-11-07 20:36:15,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:36:15,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:36:15,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:36:15,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:36:15,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:36:15,497 INFO L87 Difference]: Start difference. First operand 239 states and 301 transitions. Second operand has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-07 20:36:15,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:36:15,932 INFO L93 Difference]: Finished difference Result 239 states and 301 transitions. [2024-11-07 20:36:15,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:36:15,932 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 109 [2024-11-07 20:36:15,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:36:15,933 INFO L225 Difference]: With dead ends: 239 [2024-11-07 20:36:15,933 INFO L226 Difference]: Without dead ends: 235 [2024-11-07 20:36:15,933 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:36:15,934 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 40 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:36:15,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 139 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:36:15,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-11-07 20:36:15,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2024-11-07 20:36:15,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 192 states have (on average 1.2083333333333333) internal successors, (232), 200 states have internal predecessors, (232), 32 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-07 20:36:15,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 296 transitions. [2024-11-07 20:36:15,955 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 296 transitions. Word has length 109 [2024-11-07 20:36:15,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:36:15,955 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 296 transitions. [2024-11-07 20:36:15,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-07 20:36:15,955 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 296 transitions. [2024-11-07 20:36:15,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-07 20:36:15,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:36:15,956 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:36:15,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-07 20:36:15,956 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:36:15,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:36:15,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1971728133, now seen corresponding path program 2 times [2024-11-07 20:36:15,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:36:15,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221181883] [2024-11-07 20:36:15,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:36:15,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:36:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:36:15,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2026759025] [2024-11-07 20:36:15,970 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:36:15,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:36:15,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:36:15,974 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 20:36:15,974 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 20:36:16,018 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:36:16,019 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:36:16,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 20:36:16,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:36:16,136 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-07 20:36:16,137 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:36:20,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:36:20,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221181883] [2024-11-07 20:36:20,654 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:36:20,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2026759025] [2024-11-07 20:36:20,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2026759025] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:36:20,654 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:36:20,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-07 20:36:20,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389970446] [2024-11-07 20:36:20,654 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:36:20,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:36:20,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:36:20,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:36:20,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=55, Unknown=1, NotChecked=0, Total=90 [2024-11-07 20:36:20,655 INFO L87 Difference]: Start difference. First operand 235 states and 296 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-07 20:36:20,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:36:20,807 INFO L93 Difference]: Finished difference Result 325 states and 419 transitions. [2024-11-07 20:36:20,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:36:20,808 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 113 [2024-11-07 20:36:20,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:36:20,809 INFO L225 Difference]: With dead ends: 325 [2024-11-07 20:36:20,809 INFO L226 Difference]: Without dead ends: 316 [2024-11-07 20:36:20,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=52, Invalid=79, Unknown=1, NotChecked=0, Total=132 [2024-11-07 20:36:20,809 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 55 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:36:20,809 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 228 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:36:20,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-11-07 20:36:20,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 243. [2024-11-07 20:36:20,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 200 states have (on average 1.155) internal successors, (231), 206 states have internal predecessors, (231), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-07 20:36:20,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 299 transitions. [2024-11-07 20:36:20,831 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 299 transitions. Word has length 113 [2024-11-07 20:36:20,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:36:20,832 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 299 transitions. [2024-11-07 20:36:20,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-07 20:36:20,832 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 299 transitions. [2024-11-07 20:36:20,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-07 20:36:20,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:36:20,832 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:36:20,844 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 20:36:21,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-07 20:36:21,033 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:36:21,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:36:21,034 INFO L85 PathProgramCache]: Analyzing trace with hash -994029898, now seen corresponding path program 2 times [2024-11-07 20:36:21,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:36:21,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819857554] [2024-11-07 20:36:21,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:36:21,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:36:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:36:21,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1314996371] [2024-11-07 20:36:21,052 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:36:21,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:36:21,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:36:21,054 INFO L229 MonitoredProcess]: Starting monitored process 17 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 20:36:21,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-07 20:36:21,095 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:36:21,096 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:36:21,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-07 20:36:21,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:36:21,520 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 3 proven. 31 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-07 20:36:21,520 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:36:21,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:36:21,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819857554] [2024-11-07 20:36:21,697 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:36:21,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314996371] [2024-11-07 20:36:21,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1314996371] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:36:21,697 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:36:21,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-07 20:36:21,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952251906] [2024-11-07 20:36:21,697 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:36:21,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 20:36:21,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:36:21,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 20:36:21,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2024-11-07 20:36:21,698 INFO L87 Difference]: Start difference. First operand 243 states and 299 transitions. Second operand has 14 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-07 20:36:22,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:36:22,130 INFO L93 Difference]: Finished difference Result 311 states and 388 transitions. [2024-11-07 20:36:22,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 20:36:22,131 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 114 [2024-11-07 20:36:22,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:36:22,132 INFO L225 Difference]: With dead ends: 311 [2024-11-07 20:36:22,132 INFO L226 Difference]: Without dead ends: 310 [2024-11-07 20:36:22,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2024-11-07 20:36:22,133 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 103 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 918 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:36:22,133 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 314 Invalid, 925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 918 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:36:22,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2024-11-07 20:36:22,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 293. [2024-11-07 20:36:22,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 244 states have (on average 1.1557377049180328) internal successors, (282), 250 states have internal predecessors, (282), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-07 20:36:22,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 362 transitions. [2024-11-07 20:36:22,173 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 362 transitions. Word has length 114 [2024-11-07 20:36:22,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:36:22,173 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 362 transitions. [2024-11-07 20:36:22,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 6 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-07 20:36:22,174 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 362 transitions. [2024-11-07 20:36:22,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-07 20:36:22,174 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:36:22,175 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:36:22,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-07 20:36:22,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:36:22,375 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:36:22,375 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:36:22,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1640956294, now seen corresponding path program 1 times [2024-11-07 20:36:22,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:36:22,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359507299] [2024-11-07 20:36:22,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:36:22,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:36:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:22,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:36:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:22,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:36:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:22,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:36:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:22,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:36:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:22,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 20:36:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:22,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:36:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:22,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 20:36:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:22,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 20:36:22,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:22,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 20:36:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:22,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 20:36:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:22,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-07 20:36:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:22,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-07 20:36:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:22,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 20:36:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:22,543 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-07 20:36:22,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:36:22,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359507299] [2024-11-07 20:36:22,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359507299] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:36:22,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1486135143] [2024-11-07 20:36:22,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:36:22,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:36:22,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:36:22,545 INFO L229 MonitoredProcess]: Starting monitored process 18 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 20:36:22,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-07 20:36:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:22,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 20:36:22,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:36:22,754 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-07 20:36:22,754 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:36:23,715 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-07 20:36:23,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1486135143] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:36:23,715 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:36:23,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 17 [2024-11-07 20:36:23,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682092660] [2024-11-07 20:36:23,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:36:23,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-07 20:36:23,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:36:23,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-07 20:36:23,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2024-11-07 20:36:23,717 INFO L87 Difference]: Start difference. First operand 293 states and 362 transitions. Second operand has 18 states, 17 states have (on average 8.823529411764707) internal successors, (150), 18 states have internal predecessors, (150), 10 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 10 states have call predecessors, (33), 10 states have call successors, (33) [2024-11-07 20:36:24,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:36:24,248 INFO L93 Difference]: Finished difference Result 501 states and 624 transitions. [2024-11-07 20:36:24,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-07 20:36:24,249 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 8.823529411764707) internal successors, (150), 18 states have internal predecessors, (150), 10 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 10 states have call predecessors, (33), 10 states have call successors, (33) Word has length 115 [2024-11-07 20:36:24,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:36:24,250 INFO L225 Difference]: With dead ends: 501 [2024-11-07 20:36:24,250 INFO L226 Difference]: Without dead ends: 492 [2024-11-07 20:36:24,250 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=242, Invalid=408, Unknown=0, NotChecked=0, Total=650 [2024-11-07 20:36:24,251 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 231 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:36:24,251 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 526 Invalid, 652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:36:24,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2024-11-07 20:36:24,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 378. [2024-11-07 20:36:24,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 321 states have (on average 1.1401869158878504) internal successors, (366), 327 states have internal predecessors, (366), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-07 20:36:24,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 462 transitions. [2024-11-07 20:36:24,294 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 462 transitions. Word has length 115 [2024-11-07 20:36:24,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:36:24,295 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 462 transitions. [2024-11-07 20:36:24,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 8.823529411764707) internal successors, (150), 18 states have internal predecessors, (150), 10 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 10 states have call predecessors, (33), 10 states have call successors, (33) [2024-11-07 20:36:24,295 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 462 transitions. [2024-11-07 20:36:24,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-07 20:36:24,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:36:24,297 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:36:24,309 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-07 20:36:24,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:36:24,501 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:36:24,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:36:24,502 INFO L85 PathProgramCache]: Analyzing trace with hash 544347619, now seen corresponding path program 1 times [2024-11-07 20:36:24,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:36:24,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553094954] [2024-11-07 20:36:24,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:36:24,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:36:24,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:24,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:36:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:24,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:36:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:24,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:36:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:24,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:36:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:24,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 20:36:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:24,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:36:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:24,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 20:36:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:24,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 20:36:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:24,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 20:36:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:24,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 20:36:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:24,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 20:36:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:24,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 20:36:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:24,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 20:36:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:24,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-07 20:36:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:24,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 20:36:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:24,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-07 20:36:24,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:24,667 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2024-11-07 20:36:24,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:36:24,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553094954] [2024-11-07 20:36:24,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553094954] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:36:24,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014030423] [2024-11-07 20:36:24,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:36:24,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:36:24,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:36:24,669 INFO L229 MonitoredProcess]: Starting monitored process 19 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 20:36:24,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-07 20:36:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:24,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:36:24,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:36:24,971 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 18 proven. 17 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2024-11-07 20:36:24,971 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:36:25,502 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2024-11-07 20:36:25,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1014030423] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:36:25,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:36:25,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 22 [2024-11-07 20:36:25,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770525874] [2024-11-07 20:36:25,502 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:36:25,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-07 20:36:25,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:36:25,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-07 20:36:25,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=378, Unknown=0, NotChecked=0, Total=506 [2024-11-07 20:36:25,503 INFO L87 Difference]: Start difference. First operand 378 states and 462 transitions. Second operand has 23 states, 22 states have (on average 6.863636363636363) internal successors, (151), 23 states have internal predecessors, (151), 12 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 12 states have call predecessors, (30), 12 states have call successors, (30) [2024-11-07 20:36:26,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:36:26,876 INFO L93 Difference]: Finished difference Result 742 states and 909 transitions. [2024-11-07 20:36:26,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-07 20:36:26,876 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.863636363636363) internal successors, (151), 23 states have internal predecessors, (151), 12 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 12 states have call predecessors, (30), 12 states have call successors, (30) Word has length 136 [2024-11-07 20:36:26,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:36:26,878 INFO L225 Difference]: With dead ends: 742 [2024-11-07 20:36:26,878 INFO L226 Difference]: Without dead ends: 642 [2024-11-07 20:36:26,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 503 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=562, Invalid=1418, Unknown=0, NotChecked=0, Total=1980 [2024-11-07 20:36:26,879 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 638 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 640 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 20:36:26,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [640 Valid, 619 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 20:36:26,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2024-11-07 20:36:26,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 544. [2024-11-07 20:36:26,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 469 states have (on average 1.1471215351812367) internal successors, (538), 475 states have internal predecessors, (538), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-07 20:36:26,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 670 transitions. [2024-11-07 20:36:26,927 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 670 transitions. Word has length 136 [2024-11-07 20:36:26,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:36:26,927 INFO L471 AbstractCegarLoop]: Abstraction has 544 states and 670 transitions. [2024-11-07 20:36:26,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.863636363636363) internal successors, (151), 23 states have internal predecessors, (151), 12 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 12 states have call predecessors, (30), 12 states have call successors, (30) [2024-11-07 20:36:26,928 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 670 transitions. [2024-11-07 20:36:26,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-07 20:36:26,928 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:36:26,928 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:36:26,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-07 20:36:27,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-07 20:36:27,129 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:36:27,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:36:27,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1235422838, now seen corresponding path program 3 times [2024-11-07 20:36:27,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:36:27,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088480609] [2024-11-07 20:36:27,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:36:27,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:36:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:27,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:36:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:27,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:36:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:27,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:36:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:27,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:36:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:27,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 20:36:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:27,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:36:27,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:27,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 20:36:27,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:27,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 20:36:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:27,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 20:36:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:27,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 20:36:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:27,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 20:36:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:27,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 20:36:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:27,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 20:36:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:27,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-07 20:36:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:27,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 20:36:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:27,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-07 20:36:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:27,611 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 10 proven. 46 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-11-07 20:36:27,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:36:27,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088480609] [2024-11-07 20:36:27,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088480609] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:36:27,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357848066] [2024-11-07 20:36:27,611 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:36:27,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:36:27,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:36:27,613 INFO L229 MonitoredProcess]: Starting monitored process 20 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 20:36:27,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-07 20:36:27,707 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-07 20:36:27,707 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:36:27,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-07 20:36:27,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:36:27,982 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 31 proven. 42 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-11-07 20:36:27,982 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:36:28,494 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 36 proven. 37 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2024-11-07 20:36:28,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1357848066] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:36:28,494 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:36:28,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 11] total 29 [2024-11-07 20:36:28,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315324223] [2024-11-07 20:36:28,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:36:28,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-07 20:36:28,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:36:28,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-07 20:36:28,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=724, Unknown=0, NotChecked=0, Total=812 [2024-11-07 20:36:28,495 INFO L87 Difference]: Start difference. First operand 544 states and 670 transitions. Second operand has 29 states, 29 states have (on average 4.896551724137931) internal successors, (142), 28 states have internal predecessors, (142), 16 states have call successors, (37), 1 states have call predecessors, (37), 3 states have return successors, (39), 13 states have call predecessors, (39), 16 states have call successors, (39) [2024-11-07 20:36:29,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:36:29,685 INFO L93 Difference]: Finished difference Result 687 states and 851 transitions. [2024-11-07 20:36:29,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-07 20:36:29,686 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 4.896551724137931) internal successors, (142), 28 states have internal predecessors, (142), 16 states have call successors, (37), 1 states have call predecessors, (37), 3 states have return successors, (39), 13 states have call predecessors, (39), 16 states have call successors, (39) Word has length 141 [2024-11-07 20:36:29,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:36:29,687 INFO L225 Difference]: With dead ends: 687 [2024-11-07 20:36:29,688 INFO L226 Difference]: Without dead ends: 539 [2024-11-07 20:36:29,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 298 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 387 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=492, Invalid=1958, Unknown=0, NotChecked=0, Total=2450 [2024-11-07 20:36:29,689 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 484 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 1183 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 1281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 1183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 20:36:29,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 666 Invalid, 1281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 1183 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 20:36:29,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2024-11-07 20:36:29,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 505. [2024-11-07 20:36:29,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 505 states, 435 states have (on average 1.1218390804597702) internal successors, (488), 440 states have internal predecessors, (488), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-07 20:36:29,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 612 transitions. [2024-11-07 20:36:29,742 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 612 transitions. Word has length 141 [2024-11-07 20:36:29,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:36:29,743 INFO L471 AbstractCegarLoop]: Abstraction has 505 states and 612 transitions. [2024-11-07 20:36:29,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 4.896551724137931) internal successors, (142), 28 states have internal predecessors, (142), 16 states have call successors, (37), 1 states have call predecessors, (37), 3 states have return successors, (39), 13 states have call predecessors, (39), 16 states have call successors, (39) [2024-11-07 20:36:29,743 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 612 transitions. [2024-11-07 20:36:29,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-07 20:36:29,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:36:29,744 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:36:29,750 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-07 20:36:29,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:36:29,950 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:36:29,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:36:29,951 INFO L85 PathProgramCache]: Analyzing trace with hash 482757925, now seen corresponding path program 1 times [2024-11-07 20:36:29,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:36:29,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037862332] [2024-11-07 20:36:29,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:36:29,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:36:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:36:29,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1391982051] [2024-11-07 20:36:29,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:36:29,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:36:29,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:36:29,969 INFO L229 MonitoredProcess]: Starting monitored process 21 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 20:36:29,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-07 20:36:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:30,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-07 20:36:30,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:36:30,348 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 42 proven. 60 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-11-07 20:36:30,348 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:36:30,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:36:30,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037862332] [2024-11-07 20:36:30,523 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:36:30,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391982051] [2024-11-07 20:36:30,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1391982051] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:36:30,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:36:30,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2024-11-07 20:36:30,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246898073] [2024-11-07 20:36:30,523 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:36:30,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 20:36:30,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:36:30,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 20:36:30,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=365, Unknown=0, NotChecked=0, Total=462 [2024-11-07 20:36:30,524 INFO L87 Difference]: Start difference. First operand 505 states and 612 transitions. Second operand has 17 states, 16 states have (on average 4.5) internal successors, (72), 16 states have internal predecessors, (72), 7 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 8 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-07 20:36:30,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:36:30,982 INFO L93 Difference]: Finished difference Result 515 states and 621 transitions. [2024-11-07 20:36:30,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 20:36:30,982 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.5) internal successors, (72), 16 states have internal predecessors, (72), 7 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 8 states have call predecessors, (18), 7 states have call successors, (18) Word has length 153 [2024-11-07 20:36:30,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:36:30,983 INFO L225 Difference]: With dead ends: 515 [2024-11-07 20:36:30,983 INFO L226 Difference]: Without dead ends: 94 [2024-11-07 20:36:30,984 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=164, Invalid=648, Unknown=0, NotChecked=0, Total=812 [2024-11-07 20:36:30,984 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 51 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 1107 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 1117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:36:30,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 482 Invalid, 1117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1107 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:36:30,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-07 20:36:31,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-07 20:36:31,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 72 states have (on average 1.0138888888888888) internal successors, (73), 73 states have internal predecessors, (73), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-07 20:36:31,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 109 transitions. [2024-11-07 20:36:31,002 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 109 transitions. Word has length 153 [2024-11-07 20:36:31,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:36:31,002 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 109 transitions. [2024-11-07 20:36:31,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.5) internal successors, (72), 16 states have internal predecessors, (72), 7 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (18), 8 states have call predecessors, (18), 7 states have call successors, (18) [2024-11-07 20:36:31,002 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 109 transitions. [2024-11-07 20:36:31,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-07 20:36:31,003 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:36:31,003 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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 20:36:31,016 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-07 20:36:31,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-07 20:36:31,208 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:36:31,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:36:31,208 INFO L85 PathProgramCache]: Analyzing trace with hash 2080593912, now seen corresponding path program 1 times [2024-11-07 20:36:31,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:36:31,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376555928] [2024-11-07 20:36:31,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:36:31,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:36:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:36:31,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [549748146] [2024-11-07 20:36:31,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:36:31,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:36:31,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:36:31,227 INFO L229 MonitoredProcess]: Starting monitored process 22 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 20:36:31,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-07 20:36:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:31,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-07 20:36:31,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:36:32,020 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 42 proven. 66 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2024-11-07 20:36:32,020 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:36:33,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:36:33,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376555928] [2024-11-07 20:36:33,523 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:36:33,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549748146] [2024-11-07 20:36:33,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549748146] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:36:33,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:36:33,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2024-11-07 20:36:33,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224057320] [2024-11-07 20:36:33,523 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:36:33,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-07 20:36:33,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:36:33,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-07 20:36:33,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=218, Invalid=838, Unknown=0, NotChecked=0, Total=1056 [2024-11-07 20:36:33,524 INFO L87 Difference]: Start difference. First operand 94 states and 109 transitions. Second operand has 22 states, 21 states have (on average 3.619047619047619) internal successors, (76), 21 states have internal predecessors, (76), 8 states have call successors, (18), 1 states have call predecessors, (18), 3 states have return successors, (18), 8 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-07 20:36:34,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:36:34,213 INFO L93 Difference]: Finished difference Result 94 states and 109 transitions. [2024-11-07 20:36:34,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-07 20:36:34,214 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.619047619047619) internal successors, (76), 21 states have internal predecessors, (76), 8 states have call successors, (18), 1 states have call predecessors, (18), 3 states have return successors, (18), 8 states have call predecessors, (18), 8 states have call successors, (18) Word has length 154 [2024-11-07 20:36:34,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:36:34,214 INFO L225 Difference]: With dead ends: 94 [2024-11-07 20:36:34,214 INFO L226 Difference]: Without dead ends: 93 [2024-11-07 20:36:34,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=431, Invalid=1731, Unknown=0, NotChecked=0, Total=2162 [2024-11-07 20:36:34,215 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 88 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 1138 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 1159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:36:34,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 447 Invalid, 1159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1138 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:36:34,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-07 20:36:34,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-07 20:36:34,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 72 states have (on average 1.0) internal successors, (72), 72 states have internal predecessors, (72), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-07 20:36:34,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 108 transitions. [2024-11-07 20:36:34,230 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 108 transitions. Word has length 154 [2024-11-07 20:36:34,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:36:34,230 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 108 transitions. [2024-11-07 20:36:34,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.619047619047619) internal successors, (76), 21 states have internal predecessors, (76), 8 states have call successors, (18), 1 states have call predecessors, (18), 3 states have return successors, (18), 8 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-07 20:36:34,231 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 108 transitions. [2024-11-07 20:36:34,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-07 20:36:34,231 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:36:34,231 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 20:36:34,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-07 20:36:34,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:36:34,435 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:36:34,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:36:34,436 INFO L85 PathProgramCache]: Analyzing trace with hash -2004006438, now seen corresponding path program 1 times [2024-11-07 20:36:34,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:36:34,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139778362] [2024-11-07 20:36:34,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:36:34,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:36:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:34,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:36:34,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:34,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:36:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:34,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:36:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:34,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:36:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:34,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 20:36:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:34,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 20:36:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:34,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 20:36:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:34,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 20:36:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:34,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-07 20:36:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:34,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-07 20:36:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:34,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 20:36:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:34,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 20:36:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:34,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 20:36:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:34,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-07 20:36:34,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:34,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 20:36:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:34,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-07 20:36:34,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:34,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-07 20:36:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:34,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-07 20:36:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:34,632 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 10 proven. 31 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-07 20:36:34,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:36:34,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139778362] [2024-11-07 20:36:34,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139778362] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:36:34,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616522054] [2024-11-07 20:36:34,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:36:34,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:36:34,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:36:34,634 INFO L229 MonitoredProcess]: Starting monitored process 23 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 20:36:34,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-07 20:36:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:36:34,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-07 20:36:34,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:36:35,094 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 18 proven. 41 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2024-11-07 20:36:35,094 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:36:35,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [616522054] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:36:35,241 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:36:35,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13] total 18 [2024-11-07 20:36:35,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472831745] [2024-11-07 20:36:35,242 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:36:35,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-07 20:36:35,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:36:35,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-07 20:36:35,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2024-11-07 20:36:35,242 INFO L87 Difference]: Start difference. First operand 93 states and 108 transitions. Second operand has 19 states, 18 states have (on average 6.388888888888889) internal successors, (115), 19 states have internal predecessors, (115), 9 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 8 states have call predecessors, (21), 9 states have call successors, (21) [2024-11-07 20:36:35,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:36:35,778 INFO L93 Difference]: Finished difference Result 93 states and 108 transitions. [2024-11-07 20:36:35,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 20:36:35,779 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 6.388888888888889) internal successors, (115), 19 states have internal predecessors, (115), 9 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 8 states have call predecessors, (21), 9 states have call successors, (21) Word has length 156 [2024-11-07 20:36:35,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:36:35,779 INFO L225 Difference]: With dead ends: 93 [2024-11-07 20:36:35,779 INFO L226 Difference]: Without dead ends: 0 [2024-11-07 20:36:35,780 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=158, Invalid=712, Unknown=0, NotChecked=0, Total=870 [2024-11-07 20:36:35,780 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 83 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:36:35,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 635 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:36:35,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-07 20:36:35,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-07 20:36:35,780 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 20:36:35,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-07 20:36:35,780 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 156 [2024-11-07 20:36:35,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:36:35,780 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-07 20:36:35,781 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 6.388888888888889) internal successors, (115), 19 states have internal predecessors, (115), 9 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 8 states have call predecessors, (21), 9 states have call successors, (21) [2024-11-07 20:36:35,781 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-07 20:36:35,781 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-07 20:36:35,783 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining) [2024-11-07 20:36:35,783 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining) [2024-11-07 20:36:35,783 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining) [2024-11-07 20:36:35,783 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining) [2024-11-07 20:36:35,783 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining) [2024-11-07 20:36:35,783 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining) [2024-11-07 20:36:35,783 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining) [2024-11-07 20:36:35,783 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining) [2024-11-07 20:36:35,783 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining) [2024-11-07 20:36:35,784 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining) [2024-11-07 20:36:35,784 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining) [2024-11-07 20:36:35,784 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining) [2024-11-07 20:36:35,784 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining) [2024-11-07 20:36:35,784 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining) [2024-11-07 20:36:35,784 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining) [2024-11-07 20:36:35,784 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining) [2024-11-07 20:36:35,784 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining) [2024-11-07 20:36:35,784 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining) [2024-11-07 20:36:35,784 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining) [2024-11-07 20:36:35,784 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining) [2024-11-07 20:36:35,784 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining) [2024-11-07 20:36:35,784 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining) [2024-11-07 20:36:35,784 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining) [2024-11-07 20:36:35,784 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining) [2024-11-07 20:36:35,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-07 20:36:35,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-07 20:36:35,987 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 2, 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 20:36:35,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-07 20:36:37,266 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 20:36:37,278 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-07 20:36:37,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:36:37 BoogieIcfgContainer [2024-11-07 20:36:37,285 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 20:36:37,285 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 20:36:37,285 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 20:36:37,285 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 20:36:37,286 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:35:55" (3/4) ... [2024-11-07 20:36:37,287 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 20:36:37,291 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-07 20:36:37,291 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-07 20:36:37,295 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-07 20:36:37,296 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-07 20:36:37,296 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-07 20:36:37,296 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-07 20:36:37,348 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 20:36:37,348 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 20:36:37,348 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 20:36:37,349 INFO L158 Benchmark]: Toolchain (without parser) took 42508.41ms. Allocated memory was 100.7MB in the beginning and 226.5MB in the end (delta: 125.8MB). Free memory was 77.4MB in the beginning and 125.7MB in the end (delta: -48.3MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. [2024-11-07 20:36:37,349 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 83.9MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 20:36:37,349 INFO L158 Benchmark]: CACSL2BoogieTranslator took 128.98ms. Allocated memory is still 100.7MB. Free memory was 77.2MB in the beginning and 66.2MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 20:36:37,349 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.32ms. Allocated memory is still 100.7MB. Free memory was 66.2MB in the beginning and 64.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 20:36:37,350 INFO L158 Benchmark]: Boogie Preprocessor took 36.19ms. Allocated memory is still 100.7MB. Free memory was 64.6MB in the beginning and 63.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 20:36:37,350 INFO L158 Benchmark]: RCFGBuilder took 294.32ms. Allocated memory is still 100.7MB. Free memory was 63.2MB in the beginning and 47.3MB in the end (delta: 15.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 20:36:37,350 INFO L158 Benchmark]: TraceAbstraction took 41957.01ms. Allocated memory was 100.7MB in the beginning and 226.5MB in the end (delta: 125.8MB). Free memory was 46.7MB in the beginning and 133.2MB in the end (delta: -86.5MB). Peak memory consumption was 99.7MB. Max. memory is 16.1GB. [2024-11-07 20:36:37,350 INFO L158 Benchmark]: Witness Printer took 63.26ms. Allocated memory is still 226.5MB. Free memory was 133.2MB in the beginning and 125.7MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 20:36:37,351 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 83.9MB. Free memory is still 48.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 128.98ms. Allocated memory is still 100.7MB. Free memory was 77.2MB in the beginning and 66.2MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.32ms. Allocated memory is still 100.7MB. Free memory was 66.2MB in the beginning and 64.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.19ms. Allocated memory is still 100.7MB. Free memory was 64.6MB in the beginning and 63.2MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 294.32ms. Allocated memory is still 100.7MB. Free memory was 63.2MB in the beginning and 47.3MB in the end (delta: 15.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 41957.01ms. Allocated memory was 100.7MB in the beginning and 226.5MB in the end (delta: 125.8MB). Free memory was 46.7MB in the beginning and 133.2MB in the end (delta: -86.5MB). Peak memory consumption was 99.7MB. Max. memory is 16.1GB. * Witness Printer took 63.26ms. Allocated memory is still 226.5MB. Free memory was 133.2MB in the beginning and 125.7MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: 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: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: 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 3 procedures, 81 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 40.6s, OverallIterations: 31, TraceHistogramMax: 15, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 13.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4023 SdHoareTripleChecker+Valid, 8.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3929 mSDsluCounter, 8722 SdHoareTripleChecker+Invalid, 7.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6815 mSDsCounter, 687 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11449 IncrementalHoareTripleChecker+Invalid, 12136 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 687 mSolverCounterUnsat, 1907 mSDtfsCounter, 11449 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3452 GetRequests, 2995 SyntacticMatches, 5 SemanticMatches, 452 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2574 ImplicationChecksByTransitivity, 14.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=544occurred in iteration=27, InterpolantAutomatonStates: 332, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 31 MinimizatonAttempts, 838 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 20.1s InterpolantComputationTime, 4780 NumberOfCodeBlocks, 4693 NumberOfCodeBlocksAsserted, 60 NumberOfCheckSat, 4068 ConstructedInterpolants, 7 QuantifiedInterpolants, 23798 SizeOfPredicates, 47 NumberOfNonLiveVariables, 3860 ConjunctsInSsa, 281 ConjunctsInUnsatCore, 44 InterpolantComputations, 14 PerfectInterpolantSequences, 7774/8500 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 24 specifications checked. All of them hold - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ((((((((((((p == 1) && (d <= 4294967295)) && (A <= 2)) && (r <= 2)) && (B <= d)) && (0 <= r)) && (q == 0)) || ((((((2 == p) && (B == 1)) && (r == 0)) && (((long long) 2 + A) <= ((long long) B * 4))) && (2 == q)) && (2 == d))) || (((((((d <= ((__int128) 2 * r)) && (A <= 2)) && (2 == p)) && (((long long) 2 * B) == d)) && (r <= 2)) && (q == 0)) && (((__int128) r + 1) <= d))) || ((((((d == 1) && (p == 1)) && (B == 1)) && (r == 0)) && (((long long) 2 + A) <= ((long long) B * 4))) && (2 == q))) || ((((((p == 4) && (A <= 2)) && (B == 1)) && (q == 0)) && (d == 4)) && (2 == r))) || (((((((p == 1) && (d == B)) && (((__int128) r + B) <= 2)) && (A <= 2)) && (0 <= r)) && (q == 1)) && (((__int128) r + 1) <= B))) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: (((((((((d <= ((__int128) 2 * r)) && (A <= 2)) && (2 == p)) && (((long long) 2 * B) == d)) && (r <= 2)) && (q == 0)) && (((__int128) 2 + r) <= ((__int128) 2 * d))) || (((((((p == 1) && (d == B)) && (A <= 2)) && (r <= 2)) && (0 <= r)) && (q == 0)) && (((__int128) 2 + r) <= ((__int128) d * 4)))) || (((((((p == 4) && (A <= 2)) && (B == 1)) && (q == 0)) && (d <= 4)) && (2 == r)) && ((((__int128) r * 4) + ((long long) B * 12)) <= (((__int128) 3 * d) + 8)))) - ProcedureContractResult [Line: 11]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) - ProcedureContractResult [Line: 14]: 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 20:36:37,415 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE