./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-memsafety/openbsd_cstrpbrk-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/array-memsafety/openbsd_cstrpbrk-alloca-2.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! overflow) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', 'd450427152972d80716d02c80706dd3b248a3fc7c05c71ffd29d66e32e1e82f2'] 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/array-memsafety/openbsd_cstrpbrk-alloca-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d450427152972d80716d02c80706dd3b248a3fc7c05c71ffd29d66e32e1e82f2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 19:48:06,406 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 19:48:06,491 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 19:48:06,497 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 19:48:06,497 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 19:48:06,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 19:48:06,523 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 19:48:06,524 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 19:48:06,524 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 19:48:06,524 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 19:48:06,524 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 19:48:06,525 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 19:48:06,525 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 19:48:06,526 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 19:48:06,526 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 19:48:06,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 19:48:06,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 19:48:06,526 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 19:48:06,526 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 19:48:06,526 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 19:48:06,526 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 19:48:06,526 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 19:48:06,526 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 19:48:06,527 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 19:48:06,527 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 19:48:06,527 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 19:48:06,527 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 19:48:06,527 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 19:48:06,527 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 19:48:06,527 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 19:48:06,527 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 19:48:06,527 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 19:48:06,528 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 19:48:06,528 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 19:48:06,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:48:06,528 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 19:48:06,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 19:48:06,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 19:48:06,528 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 19:48:06,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 19:48:06,529 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 19:48:06,529 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 19:48:06,529 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 19:48:06,529 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 19:48:06,529 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 -> d450427152972d80716d02c80706dd3b248a3fc7c05c71ffd29d66e32e1e82f2 [2024-11-07 19:48:06,781 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 19:48:06,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 19:48:06,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 19:48:06,792 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 19:48:06,792 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 19:48:06,794 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/openbsd_cstrpbrk-alloca-2.i [2024-11-07 19:48:07,925 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 19:48:08,211 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 19:48:08,215 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/array-memsafety/openbsd_cstrpbrk-alloca-2.i [2024-11-07 19:48:08,227 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/57676e1d0/186548ee2bf8474fb85951318d93c63e/FLAG7522ef319 [2024-11-07 19:48:08,240 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/57676e1d0/186548ee2bf8474fb85951318d93c63e [2024-11-07 19:48:08,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 19:48:08,243 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 19:48:08,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 19:48:08,244 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 19:48:08,246 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 19:48:08,247 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:48:08" (1/1) ... [2024-11-07 19:48:08,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47c937aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:08, skipping insertion in model container [2024-11-07 19:48:08,248 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:48:08" (1/1) ... [2024-11-07 19:48:08,274 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 19:48:08,461 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:48:08,466 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 19:48:08,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:48:08,514 INFO L204 MainTranslator]: Completed translation [2024-11-07 19:48:08,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:08 WrapperNode [2024-11-07 19:48:08,515 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 19:48:08,515 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 19:48:08,515 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 19:48:08,515 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 19:48:08,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:08" (1/1) ... [2024-11-07 19:48:08,525 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:08" (1/1) ... [2024-11-07 19:48:08,536 INFO L138 Inliner]: procedures = 117, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2024-11-07 19:48:08,536 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 19:48:08,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 19:48:08,537 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 19:48:08,537 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 19:48:08,542 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:08" (1/1) ... [2024-11-07 19:48:08,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:08" (1/1) ... [2024-11-07 19:48:08,546 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:08" (1/1) ... [2024-11-07 19:48:08,561 INFO L175 MemorySlicer]: Split 6 memory accesses to 2 slices as follows [3, 3]. 50 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 4 writes are split as follows [2, 2]. [2024-11-07 19:48:08,561 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:08" (1/1) ... [2024-11-07 19:48:08,562 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:08" (1/1) ... [2024-11-07 19:48:08,565 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:08" (1/1) ... [2024-11-07 19:48:08,568 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:08" (1/1) ... [2024-11-07 19:48:08,568 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:08" (1/1) ... [2024-11-07 19:48:08,569 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:08" (1/1) ... [2024-11-07 19:48:08,570 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 19:48:08,570 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 19:48:08,570 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 19:48:08,570 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 19:48:08,571 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:08" (1/1) ... [2024-11-07 19:48:08,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:48:08,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:48:08,599 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 19:48:08,602 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 19:48:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 19:48:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 19:48:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 19:48:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 19:48:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 19:48:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 19:48:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 19:48:08,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 19:48:08,716 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 19:48:08,717 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 19:48:08,880 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-07 19:48:08,881 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 19:48:08,890 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 19:48:08,890 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-07 19:48:08,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:48:08 BoogieIcfgContainer [2024-11-07 19:48:08,890 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 19:48:08,893 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 19:48:08,894 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 19:48:08,897 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 19:48:08,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:48:08" (1/3) ... [2024-11-07 19:48:08,899 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b3fcb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:48:08, skipping insertion in model container [2024-11-07 19:48:08,899 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:08" (2/3) ... [2024-11-07 19:48:08,899 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b3fcb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:48:08, skipping insertion in model container [2024-11-07 19:48:08,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:48:08" (3/3) ... [2024-11-07 19:48:08,901 INFO L112 eAbstractionObserver]: Analyzing ICFG openbsd_cstrpbrk-alloca-2.i [2024-11-07 19:48:08,912 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 19:48:08,912 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-07 19:48:08,950 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 19:48:08,958 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;@7fc8dae9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 19:48:08,959 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-07 19:48:08,962 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 28 states have (on average 1.6785714285714286) internal successors, (47), 36 states have internal predecessors, (47), 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 19:48:08,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-07 19:48:08,966 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:08,967 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:08,967 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 19:48:08,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:08,970 INFO L85 PathProgramCache]: Analyzing trace with hash 121327154, now seen corresponding path program 1 times [2024-11-07 19:48:08,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:08,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753387668] [2024-11-07 19:48:08,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:08,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:09,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:48:09,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:09,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753387668] [2024-11-07 19:48:09,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753387668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:48:09,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:48:09,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:48:09,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441612558] [2024-11-07 19:48:09,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:48:09,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 19:48:09,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:09,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 19:48:09,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:48:09,241 INFO L87 Difference]: Start difference. First operand has 37 states, 28 states have (on average 1.6785714285714286) internal successors, (47), 36 states have internal predecessors, (47), 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) Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:09,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:09,296 INFO L93 Difference]: Finished difference Result 69 states and 87 transitions. [2024-11-07 19:48:09,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 19:48:09,299 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-07 19:48:09,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:09,303 INFO L225 Difference]: With dead ends: 69 [2024-11-07 19:48:09,303 INFO L226 Difference]: Without dead ends: 31 [2024-11-07 19:48:09,305 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:48:09,307 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 1 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:09,307 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 106 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:48:09,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-11-07 19:48:09,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-11-07 19:48:09,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 30 states have internal predecessors, (35), 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 19:48:09,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2024-11-07 19:48:09,328 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 8 [2024-11-07 19:48:09,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:09,328 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2024-11-07 19:48:09,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:09,328 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2024-11-07 19:48:09,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-07 19:48:09,328 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:09,328 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:09,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 19:48:09,329 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 19:48:09,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:09,329 INFO L85 PathProgramCache]: Analyzing trace with hash 629683414, now seen corresponding path program 1 times [2024-11-07 19:48:09,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:09,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261778486] [2024-11-07 19:48:09,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:09,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:09,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:48:09,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:09,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261778486] [2024-11-07 19:48:09,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261778486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:48:09,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:48:09,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:48:09,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450153603] [2024-11-07 19:48:09,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:48:09,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 19:48:09,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:09,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 19:48:09,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:48:09,414 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 19:48:09,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:09,456 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2024-11-07 19:48:09,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 19:48:09,456 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-07 19:48:09,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:09,456 INFO L225 Difference]: With dead ends: 46 [2024-11-07 19:48:09,456 INFO L226 Difference]: Without dead ends: 30 [2024-11-07 19:48:09,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:48:09,457 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 20 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:09,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 43 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:48:09,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-07 19:48:09,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-11-07 19:48:09,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 23 states have (on average 1.434782608695652) internal successors, (33), 29 states have internal predecessors, (33), 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 19:48:09,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2024-11-07 19:48:09,464 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 10 [2024-11-07 19:48:09,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:09,464 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2024-11-07 19:48:09,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 19:48:09,464 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2024-11-07 19:48:09,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-07 19:48:09,465 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:09,465 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:09,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 19:48:09,465 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 19:48:09,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:09,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1069581550, now seen corresponding path program 1 times [2024-11-07 19:48:09,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:09,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037210591] [2024-11-07 19:48:09,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:09,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:09,595 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:48:09,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:09,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037210591] [2024-11-07 19:48:09,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037210591] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:48:09,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435084596] [2024-11-07 19:48:09,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:09,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:48:09,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:48:09,598 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 19:48:09,599 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 19:48:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:09,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 19:48:09,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:48:09,760 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:48:09,760 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:48:09,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435084596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:48:09,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 19:48:09,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2024-11-07 19:48:09,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106387843] [2024-11-07 19:48:09,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:48:09,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 19:48:09,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:09,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 19:48:09,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-07 19:48:09,763 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 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 19:48:09,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:09,795 INFO L93 Difference]: Finished difference Result 68 states and 76 transitions. [2024-11-07 19:48:09,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 19:48:09,796 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-07 19:48:09,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:09,797 INFO L225 Difference]: With dead ends: 68 [2024-11-07 19:48:09,797 INFO L226 Difference]: Without dead ends: 47 [2024-11-07 19:48:09,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-07 19:48:09,797 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 12 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:09,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 62 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:48:09,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-07 19:48:09,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2024-11-07 19:48:09,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 38 states have (on average 1.368421052631579) internal successors, (52), 44 states have internal predecessors, (52), 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 19:48:09,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 52 transitions. [2024-11-07 19:48:09,806 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 52 transitions. Word has length 12 [2024-11-07 19:48:09,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:09,806 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 52 transitions. [2024-11-07 19:48:09,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 6 states have internal predecessors, (12), 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 19:48:09,807 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2024-11-07 19:48:09,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-07 19:48:09,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:09,807 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:09,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 19:48:10,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:48:10,008 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 19:48:10,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:10,008 INFO L85 PathProgramCache]: Analyzing trace with hash 676554540, now seen corresponding path program 1 times [2024-11-07 19:48:10,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:10,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936077464] [2024-11-07 19:48:10,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:10,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:10,114 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:48:10,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:10,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936077464] [2024-11-07 19:48:10,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936077464] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:48:10,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380794747] [2024-11-07 19:48:10,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:10,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:48:10,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:48:10,117 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 19:48:10,118 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 19:48:10,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:10,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 19:48:10,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:48:10,204 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:48:10,205 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:48:10,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1380794747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:48:10,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 19:48:10,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-07 19:48:10,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786084326] [2024-11-07 19:48:10,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:48:10,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 19:48:10,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:10,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 19:48:10,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-07 19:48:10,206 INFO L87 Difference]: Start difference. First operand 45 states and 52 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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 19:48:10,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:10,237 INFO L93 Difference]: Finished difference Result 45 states and 52 transitions. [2024-11-07 19:48:10,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 19:48:10,237 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-07 19:48:10,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:10,238 INFO L225 Difference]: With dead ends: 45 [2024-11-07 19:48:10,238 INFO L226 Difference]: Without dead ends: 44 [2024-11-07 19:48:10,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-07 19:48:10,238 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 1 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:10,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 62 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:48:10,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-07 19:48:10,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-07 19:48:10,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 43 states have internal predecessors, (51), 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 19:48:10,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2024-11-07 19:48:10,242 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 51 transitions. Word has length 12 [2024-11-07 19:48:10,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:10,242 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 51 transitions. [2024-11-07 19:48:10,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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 19:48:10,242 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2024-11-07 19:48:10,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-07 19:48:10,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:10,242 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:10,254 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 19:48:10,446 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 19:48:10,447 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 19:48:10,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:10,447 INFO L85 PathProgramCache]: Analyzing trace with hash -501645681, now seen corresponding path program 1 times [2024-11-07 19:48:10,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:10,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422996491] [2024-11-07 19:48:10,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:10,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:10,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:48:10,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:10,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422996491] [2024-11-07 19:48:10,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422996491] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:48:10,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425671175] [2024-11-07 19:48:10,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:10,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:48:10,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:48:10,524 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 19:48:10,525 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 19:48:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:10,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 19:48:10,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:48:10,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:48:10,595 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:48:10,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:48:10,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425671175] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:48:10,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:48:10,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-07 19:48:10,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950508188] [2024-11-07 19:48:10,634 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:48:10,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 19:48:10,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:10,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 19:48:10,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-07 19:48:10,635 INFO L87 Difference]: Start difference. First operand 44 states and 51 transitions. Second operand has 12 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 12 states have internal predecessors, (27), 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 19:48:10,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:10,672 INFO L93 Difference]: Finished difference Result 57 states and 69 transitions. [2024-11-07 19:48:10,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 19:48:10,673 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 12 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-07 19:48:10,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:10,674 INFO L225 Difference]: With dead ends: 57 [2024-11-07 19:48:10,674 INFO L226 Difference]: Without dead ends: 56 [2024-11-07 19:48:10,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-07 19:48:10,675 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:10,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:48:10,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-07 19:48:10,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-07 19:48:10,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 50 states have (on average 1.32) internal successors, (66), 55 states have internal predecessors, (66), 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 19:48:10,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 66 transitions. [2024-11-07 19:48:10,679 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 66 transitions. Word has length 13 [2024-11-07 19:48:10,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:10,679 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 66 transitions. [2024-11-07 19:48:10,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 12 states have internal predecessors, (27), 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 19:48:10,679 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 66 transitions. [2024-11-07 19:48:10,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-07 19:48:10,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:10,679 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:10,694 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 19:48:10,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:48:10,880 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 19:48:10,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:10,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1369092884, now seen corresponding path program 1 times [2024-11-07 19:48:10,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:10,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824629605] [2024-11-07 19:48:10,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:10,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:10,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:10,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 19:48:10,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:10,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824629605] [2024-11-07 19:48:10,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824629605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:48:10,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:48:10,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:48:10,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615446011] [2024-11-07 19:48:10,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:48:10,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 19:48:10,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:10,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 19:48:10,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:48:10,918 INFO L87 Difference]: Start difference. First operand 56 states and 66 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 19:48:10,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:10,943 INFO L93 Difference]: Finished difference Result 66 states and 80 transitions. [2024-11-07 19:48:10,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 19:48:10,944 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-07 19:48:10,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:10,944 INFO L225 Difference]: With dead ends: 66 [2024-11-07 19:48:10,944 INFO L226 Difference]: Without dead ends: 64 [2024-11-07 19:48:10,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:48:10,945 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 1 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:10,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 63 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:48:10,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-07 19:48:10,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-11-07 19:48:10,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 63 states have internal predecessors, (76), 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 19:48:10,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 76 transitions. [2024-11-07 19:48:10,950 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 76 transitions. Word has length 14 [2024-11-07 19:48:10,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:10,950 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 76 transitions. [2024-11-07 19:48:10,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 19:48:10,950 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 76 transitions. [2024-11-07 19:48:10,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-07 19:48:10,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:10,950 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:10,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 19:48:10,951 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 19:48:10,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:10,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1094651131, now seen corresponding path program 1 times [2024-11-07 19:48:10,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:10,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486103133] [2024-11-07 19:48:10,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:10,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:10,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 19:48:10,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:10,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486103133] [2024-11-07 19:48:10,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486103133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:48:10,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:48:10,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:48:10,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530586339] [2024-11-07 19:48:10,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:48:11,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 19:48:11,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:11,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 19:48:11,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:48:11,002 INFO L87 Difference]: Start difference. First operand 64 states and 76 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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 19:48:11,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:11,025 INFO L93 Difference]: Finished difference Result 74 states and 86 transitions. [2024-11-07 19:48:11,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 19:48:11,026 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-07 19:48:11,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:11,026 INFO L225 Difference]: With dead ends: 74 [2024-11-07 19:48:11,026 INFO L226 Difference]: Without dead ends: 63 [2024-11-07 19:48:11,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:48:11,027 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 16 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:11,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 36 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:48:11,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-07 19:48:11,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-07 19:48:11,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 58 states have (on average 1.2586206896551724) internal successors, (73), 62 states have internal predecessors, (73), 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 19:48:11,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 73 transitions. [2024-11-07 19:48:11,035 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 73 transitions. Word has length 15 [2024-11-07 19:48:11,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:11,035 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 73 transitions. [2024-11-07 19:48:11,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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 19:48:11,035 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 73 transitions. [2024-11-07 19:48:11,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-07 19:48:11,036 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:11,036 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:11,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 19:48:11,036 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 19:48:11,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:11,037 INFO L85 PathProgramCache]: Analyzing trace with hash -800645808, now seen corresponding path program 1 times [2024-11-07 19:48:11,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:11,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256164844] [2024-11-07 19:48:11,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:11,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:11,099 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 19:48:11,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:11,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256164844] [2024-11-07 19:48:11,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256164844] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:48:11,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548455803] [2024-11-07 19:48:11,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:11,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:48:11,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:48:11,101 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 19:48:11,102 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 19:48:11,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:11,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 19:48:11,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:48:11,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 19:48:11,225 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:48:11,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548455803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:48:11,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 19:48:11,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2024-11-07 19:48:11,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851441095] [2024-11-07 19:48:11,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:48:11,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 19:48:11,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:11,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 19:48:11,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-07 19:48:11,227 INFO L87 Difference]: Start difference. First operand 63 states and 73 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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 19:48:11,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:11,270 INFO L93 Difference]: Finished difference Result 132 states and 151 transitions. [2024-11-07 19:48:11,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 19:48:11,270 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-07 19:48:11,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:11,271 INFO L225 Difference]: With dead ends: 132 [2024-11-07 19:48:11,271 INFO L226 Difference]: Without dead ends: 95 [2024-11-07 19:48:11,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-07 19:48:11,272 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 7 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:11,272 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 78 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:48:11,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-07 19:48:11,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2024-11-07 19:48:11,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 88 states have (on average 1.2159090909090908) internal successors, (107), 92 states have internal predecessors, (107), 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 19:48:11,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 107 transitions. [2024-11-07 19:48:11,283 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 107 transitions. Word has length 18 [2024-11-07 19:48:11,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:11,285 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 107 transitions. [2024-11-07 19:48:11,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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 19:48:11,285 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 107 transitions. [2024-11-07 19:48:11,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-07 19:48:11,286 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:11,286 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:11,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-07 19:48:11,486 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 19:48:11,487 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 19:48:11,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:11,487 INFO L85 PathProgramCache]: Analyzing trace with hash -2080509486, now seen corresponding path program 1 times [2024-11-07 19:48:11,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:11,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917360671] [2024-11-07 19:48:11,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:11,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:11,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 19:48:11,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:11,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917360671] [2024-11-07 19:48:11,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917360671] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:48:11,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465418304] [2024-11-07 19:48:11,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:11,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:48:11,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:48:11,560 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 19:48:11,561 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 19:48:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:11,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 19:48:11,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:48:11,664 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 19:48:11,664 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:48:11,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [465418304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:48:11,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 19:48:11,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-07 19:48:11,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706671007] [2024-11-07 19:48:11,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:48:11,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 19:48:11,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:11,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 19:48:11,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-07 19:48:11,665 INFO L87 Difference]: Start difference. First operand 93 states and 107 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 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 19:48:11,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:11,691 INFO L93 Difference]: Finished difference Result 93 states and 107 transitions. [2024-11-07 19:48:11,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 19:48:11,691 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-07 19:48:11,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:11,692 INFO L225 Difference]: With dead ends: 93 [2024-11-07 19:48:11,692 INFO L226 Difference]: Without dead ends: 92 [2024-11-07 19:48:11,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-07 19:48:11,692 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 1 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:11,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 92 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:48:11,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-07 19:48:11,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-07 19:48:11,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 88 states have (on average 1.1931818181818181) internal successors, (105), 91 states have internal predecessors, (105), 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 19:48:11,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 105 transitions. [2024-11-07 19:48:11,700 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 105 transitions. Word has length 18 [2024-11-07 19:48:11,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:11,700 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 105 transitions. [2024-11-07 19:48:11,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 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 19:48:11,700 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 105 transitions. [2024-11-07 19:48:11,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-07 19:48:11,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:11,701 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:11,713 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 19:48:11,901 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 19:48:11,902 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 19:48:11,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:11,902 INFO L85 PathProgramCache]: Analyzing trace with hash -71284549, now seen corresponding path program 1 times [2024-11-07 19:48:11,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:11,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335480039] [2024-11-07 19:48:11,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:11,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:11,958 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 19:48:11,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:11,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335480039] [2024-11-07 19:48:11,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335480039] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:48:11,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924752116] [2024-11-07 19:48:11,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:11,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:48:11,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:48:11,960 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 19:48:11,960 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 19:48:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:12,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 19:48:12,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:48:12,045 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 19:48:12,045 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:48:12,077 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 19:48:12,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924752116] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:48:12,078 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:48:12,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-07 19:48:12,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905690671] [2024-11-07 19:48:12,078 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:48:12,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 19:48:12,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:12,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 19:48:12,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-07 19:48:12,079 INFO L87 Difference]: Start difference. First operand 92 states and 105 transitions. Second operand has 12 states, 11 states have (on average 3.0) internal successors, (33), 12 states have internal predecessors, (33), 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 19:48:12,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:12,120 INFO L93 Difference]: Finished difference Result 117 states and 141 transitions. [2024-11-07 19:48:12,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 19:48:12,120 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.0) internal successors, (33), 12 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-07 19:48:12,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:12,121 INFO L225 Difference]: With dead ends: 117 [2024-11-07 19:48:12,124 INFO L226 Difference]: Without dead ends: 116 [2024-11-07 19:48:12,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-07 19:48:12,125 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 0 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:12,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:48:12,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-07 19:48:12,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-07 19:48:12,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 112 states have (on average 1.2053571428571428) internal successors, (135), 115 states have internal predecessors, (135), 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 19:48:12,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 135 transitions. [2024-11-07 19:48:12,134 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 135 transitions. Word has length 19 [2024-11-07 19:48:12,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:12,134 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 135 transitions. [2024-11-07 19:48:12,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.0) internal successors, (33), 12 states have internal predecessors, (33), 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 19:48:12,134 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 135 transitions. [2024-11-07 19:48:12,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-07 19:48:12,136 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:12,136 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:12,148 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 19:48:12,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-07 19:48:12,341 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 19:48:12,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:12,341 INFO L85 PathProgramCache]: Analyzing trace with hash -638615735, now seen corresponding path program 1 times [2024-11-07 19:48:12,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:12,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474745595] [2024-11-07 19:48:12,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:12,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:12,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:12,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-07 19:48:12,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:12,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474745595] [2024-11-07 19:48:12,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474745595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:48:12,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:48:12,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 19:48:12,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110395457] [2024-11-07 19:48:12,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:48:12,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:48:12,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:12,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:48:12,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:12,366 INFO L87 Difference]: Start difference. First operand 116 states and 135 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 19:48:12,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:12,377 INFO L93 Difference]: Finished difference Result 116 states and 135 transitions. [2024-11-07 19:48:12,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:48:12,377 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-07 19:48:12,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:12,378 INFO L225 Difference]: With dead ends: 116 [2024-11-07 19:48:12,378 INFO L226 Difference]: Without dead ends: 106 [2024-11-07 19:48:12,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:12,378 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 3 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:12,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 21 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:48:12,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-07 19:48:12,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 82. [2024-11-07 19:48:12,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 79 states have (on average 1.1645569620253164) internal successors, (92), 81 states have internal predecessors, (92), 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 19:48:12,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 92 transitions. [2024-11-07 19:48:12,383 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 92 transitions. Word has length 19 [2024-11-07 19:48:12,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:12,384 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 92 transitions. [2024-11-07 19:48:12,384 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), 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 19:48:12,384 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 92 transitions. [2024-11-07 19:48:12,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-07 19:48:12,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:12,385 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:12,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 19:48:12,386 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 19:48:12,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:12,386 INFO L85 PathProgramCache]: Analyzing trace with hash 165403815, now seen corresponding path program 1 times [2024-11-07 19:48:12,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:12,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329331226] [2024-11-07 19:48:12,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:12,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:12,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:12,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-07 19:48:12,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:12,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329331226] [2024-11-07 19:48:12,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329331226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:48:12,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:48:12,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 19:48:12,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329111826] [2024-11-07 19:48:12,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:48:12,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:48:12,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:12,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:48:12,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:12,409 INFO L87 Difference]: Start difference. First operand 82 states and 92 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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 19:48:12,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:12,419 INFO L93 Difference]: Finished difference Result 82 states and 92 transitions. [2024-11-07 19:48:12,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:48:12,419 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-11-07 19:48:12,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:12,420 INFO L225 Difference]: With dead ends: 82 [2024-11-07 19:48:12,420 INFO L226 Difference]: Without dead ends: 76 [2024-11-07 19:48:12,420 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:12,420 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 3 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:12,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 19 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:48:12,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-07 19:48:12,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-07 19:48:12,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 74 states have (on average 1.1216216216216217) internal successors, (83), 75 states have internal predecessors, (83), 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 19:48:12,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 83 transitions. [2024-11-07 19:48:12,425 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 83 transitions. Word has length 21 [2024-11-07 19:48:12,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:12,425 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 83 transitions. [2024-11-07 19:48:12,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 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 19:48:12,425 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 83 transitions. [2024-11-07 19:48:12,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-07 19:48:12,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:12,426 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:12,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 19:48:12,426 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 19:48:12,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:12,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1514659365, now seen corresponding path program 2 times [2024-11-07 19:48:12,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:12,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181862188] [2024-11-07 19:48:12,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:12,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:12,547 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:48:12,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:12,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181862188] [2024-11-07 19:48:12,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181862188] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:48:12,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341003445] [2024-11-07 19:48:12,547 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 19:48:12,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:48:12,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:48:12,550 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 19:48:12,551 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 19:48:12,606 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 19:48:12,607 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 19:48:12,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 19:48:12,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:48:12,661 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 19:48:12,661 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:48:12,717 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 19:48:12,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1341003445] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:48:12,717 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:48:12,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 14 [2024-11-07 19:48:12,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669211045] [2024-11-07 19:48:12,717 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:48:12,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 19:48:12,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:12,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 19:48:12,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-07 19:48:12,718 INFO L87 Difference]: Start difference. First operand 76 states and 83 transitions. Second operand has 15 states, 14 states have (on average 2.642857142857143) internal successors, (37), 15 states have internal predecessors, (37), 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 19:48:12,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:12,878 INFO L93 Difference]: Finished difference Result 86 states and 97 transitions. [2024-11-07 19:48:12,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 19:48:12,878 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.642857142857143) internal successors, (37), 15 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-11-07 19:48:12,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:12,879 INFO L225 Difference]: With dead ends: 86 [2024-11-07 19:48:12,879 INFO L226 Difference]: Without dead ends: 59 [2024-11-07 19:48:12,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=165, Invalid=537, Unknown=0, NotChecked=0, Total=702 [2024-11-07 19:48:12,880 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 13 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:12,880 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 69 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:48:12,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-07 19:48:12,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 39. [2024-11-07 19:48:12,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 38 states have internal predecessors, (41), 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 19:48:12,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2024-11-07 19:48:12,883 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 25 [2024-11-07 19:48:12,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:12,883 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2024-11-07 19:48:12,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.642857142857143) internal successors, (37), 15 states have internal predecessors, (37), 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 19:48:12,883 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2024-11-07 19:48:12,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-07 19:48:12,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:12,883 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:12,896 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 19:48:13,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:48:13,084 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-07 19:48:13,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:13,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1705793657, now seen corresponding path program 2 times [2024-11-07 19:48:13,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:13,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777036552] [2024-11-07 19:48:13,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:13,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:13,214 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 19:48:13,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:13,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777036552] [2024-11-07 19:48:13,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777036552] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:48:13,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112745230] [2024-11-07 19:48:13,215 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 19:48:13,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:48:13,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:48:13,217 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 19:48:13,218 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 19:48:13,269 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 19:48:13,270 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 19:48:13,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 19:48:13,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:48:13,328 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-07 19:48:13,328 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:48:13,372 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-07 19:48:13,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112745230] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:48:13,372 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:48:13,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 14 [2024-11-07 19:48:13,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388657906] [2024-11-07 19:48:13,372 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:48:13,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 19:48:13,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:13,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 19:48:13,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-07 19:48:13,373 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand has 15 states, 14 states have (on average 3.5) internal successors, (49), 15 states have internal predecessors, (49), 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 19:48:13,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:13,497 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2024-11-07 19:48:13,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 19:48:13,498 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.5) internal successors, (49), 15 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2024-11-07 19:48:13,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:13,498 INFO L225 Difference]: With dead ends: 44 [2024-11-07 19:48:13,498 INFO L226 Difference]: Without dead ends: 0 [2024-11-07 19:48:13,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 56 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=165, Invalid=537, Unknown=0, NotChecked=0, Total=702 [2024-11-07 19:48:13,499 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 1 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:13,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 53 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:48:13,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-07 19:48:13,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-07 19:48:13,500 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 19:48:13,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-07 19:48:13,500 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2024-11-07 19:48:13,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:13,500 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-07 19:48:13,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.5) internal successors, (49), 15 states have internal predecessors, (49), 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 19:48:13,500 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-07 19:48:13,501 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-07 19:48:13,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-07 19:48:13,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-07 19:48:13,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-07 19:48:13,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-07 19:48:13,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-07 19:48:13,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-07 19:48:13,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-07 19:48:13,503 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-07 19:48:13,515 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-07 19:48:13,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:48:13,710 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:13,711 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-07 19:48:13,897 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 19:48:13,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:48:13 BoogieIcfgContainer [2024-11-07 19:48:13,910 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 19:48:13,911 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 19:48:13,911 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 19:48:13,911 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 19:48:13,912 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:48:08" (3/4) ... [2024-11-07 19:48:13,913 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 19:48:13,919 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-07 19:48:13,919 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-07 19:48:13,920 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-07 19:48:13,920 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-07 19:48:13,979 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 19:48:13,979 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 19:48:13,979 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 19:48:13,980 INFO L158 Benchmark]: Toolchain (without parser) took 5737.48ms. Allocated memory is still 109.1MB. Free memory was 84.2MB in the beginning and 43.0MB in the end (delta: 41.2MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2024-11-07 19:48:13,980 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:48:13,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.48ms. Allocated memory is still 109.1MB. Free memory was 84.0MB in the beginning and 67.4MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 19:48:13,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.16ms. Allocated memory is still 109.1MB. Free memory was 67.4MB in the beginning and 65.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:48:13,981 INFO L158 Benchmark]: Boogie Preprocessor took 32.89ms. Allocated memory is still 109.1MB. Free memory was 65.6MB in the beginning and 64.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:48:13,981 INFO L158 Benchmark]: RCFGBuilder took 320.13ms. Allocated memory is still 109.1MB. Free memory was 64.0MB in the beginning and 51.0MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 19:48:13,981 INFO L158 Benchmark]: TraceAbstraction took 5017.10ms. Allocated memory is still 109.1MB. Free memory was 50.3MB in the beginning and 48.6MB in the end (delta: 1.8MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2024-11-07 19:48:13,981 INFO L158 Benchmark]: Witness Printer took 68.63ms. Allocated memory is still 109.1MB. Free memory was 48.6MB in the beginning and 43.0MB in the end (delta: 5.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:48:13,982 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.48ms. Allocated memory is still 109.1MB. Free memory was 84.0MB in the beginning and 67.4MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.16ms. Allocated memory is still 109.1MB. Free memory was 67.4MB in the beginning and 65.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.89ms. Allocated memory is still 109.1MB. Free memory was 65.6MB in the beginning and 64.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 320.13ms. Allocated memory is still 109.1MB. Free memory was 64.0MB in the beginning and 51.0MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5017.10ms. Allocated memory is still 109.1MB. Free memory was 50.3MB in the beginning and 48.6MB in the end (delta: 1.8MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. * Witness Printer took 68.63ms. Allocated memory is still 109.1MB. Free memory was 48.6MB in the beginning and 43.0MB in the end (delta: 5.6MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 537]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 537]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 541]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 541]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 546]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 546]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 547]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 547]: 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 1 procedures, 37 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 14, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 79 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 79 mSDsluCounter, 885 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 598 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 452 IncrementalHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 287 mSDtfsCounter, 452 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 318 GetRequests, 206 SyntacticMatches, 4 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=10, InterpolantAutomatonStates: 96, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 48 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 383 NumberOfCodeBlocks, 347 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 445 ConstructedInterpolants, 0 QuantifiedInterpolants, 1105 SizeOfPredicates, 8 NumberOfNonLiveVariables, 577 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 26 InterpolantComputations, 10 PerfectInterpolantSequences, 140/304 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 8 specifications checked. All of them hold - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: ((((((i == 0) && (1 <= length1)) && (1 <= length2)) && (length1 <= 2147483647)) && (length2 <= 2147483647)) || (((((1 <= length1) && (1 <= length2)) && (length1 <= 2147483647)) && (1 <= i)) && (length2 <= 2147483647))) - InvariantResult [Line: 518]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: ((((((i == 0) && (1 <= length1)) && (1 <= length2)) && (length1 <= 2147483647)) && (length2 <= 2147483647)) || (((((1 <= i) && (1 <= length1)) && (1 <= length2)) && (length1 <= 2147483647)) && (length2 <= 2147483647))) RESULT: Ultimate proved your program to be correct! [2024-11-07 19:48:14,004 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