./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/soft_float_4-2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/bitvector/soft_float_4-2a.c.cil.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! overflow) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '2abfa4882ab8ec6bd7a33a5fbeaa8a88ba40a897019218fc162e52833c89454b'] 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/bitvector/soft_float_4-2a.c.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2abfa4882ab8ec6bd7a33a5fbeaa8a88ba40a897019218fc162e52833c89454b --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 19:48:57,733 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 19:48:57,808 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 19:48:57,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 19:48:57,814 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 19:48:57,834 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 19:48:57,836 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 19:48:57,836 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 19:48:57,836 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 19:48:57,837 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 19:48:57,837 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 19:48:57,837 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 19:48:57,838 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 19:48:57,838 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 19:48:57,838 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 19:48:57,838 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 19:48:57,838 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 19:48:57,838 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 19:48:57,838 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 19:48:57,838 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 19:48:57,838 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 19:48:57,839 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 19:48:57,839 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 19:48:57,839 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 19:48:57,839 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 19:48:57,839 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 19:48:57,839 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 19:48:57,839 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 19:48:57,839 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 19:48:57,839 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 19:48:57,840 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 19:48:57,840 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 19:48:57,840 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 19:48:57,840 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 19:48:57,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:48:57,840 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 19:48:57,840 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 19:48:57,840 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 19:48:57,840 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 19:48:57,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 19:48:57,840 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 19:48:57,840 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 19:48:57,840 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 19:48:57,840 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 19:48:57,840 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 -> 2abfa4882ab8ec6bd7a33a5fbeaa8a88ba40a897019218fc162e52833c89454b [2024-11-07 19:48:58,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 19:48:58,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 19:48:58,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 19:48:58,055 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 19:48:58,056 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 19:48:58,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/soft_float_4-2a.c.cil.c [2024-11-07 19:48:59,103 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 19:48:59,329 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 19:48:59,330 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_4-2a.c.cil.c [2024-11-07 19:48:59,336 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/24f3c0da8/7b97ed940aa745ec94e894e8fa1c86e4/FLAG318a0a296 [2024-11-07 19:48:59,671 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/24f3c0da8/7b97ed940aa745ec94e894e8fa1c86e4 [2024-11-07 19:48:59,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 19:48:59,675 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 19:48:59,676 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 19:48:59,677 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 19:48:59,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 19:48:59,680 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:48:59" (1/1) ... [2024-11-07 19:48:59,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d4ced4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:59, skipping insertion in model container [2024-11-07 19:48:59,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:48:59" (1/1) ... [2024-11-07 19:48:59,695 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 19:48:59,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:48:59,820 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 19:48:59,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:48:59,857 INFO L204 MainTranslator]: Completed translation [2024-11-07 19:48:59,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:59 WrapperNode [2024-11-07 19:48:59,857 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 19:48:59,858 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 19:48:59,858 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 19:48:59,858 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 19:48:59,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:59" (1/1) ... [2024-11-07 19:48:59,866 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:59" (1/1) ... [2024-11-07 19:48:59,877 INFO L138 Inliner]: procedures = 17, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2024-11-07 19:48:59,877 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 19:48:59,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 19:48:59,878 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 19:48:59,878 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 19:48:59,884 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:59" (1/1) ... [2024-11-07 19:48:59,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:59" (1/1) ... [2024-11-07 19:48:59,886 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:59" (1/1) ... [2024-11-07 19:48:59,894 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 19:48:59,894 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:59" (1/1) ... [2024-11-07 19:48:59,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:59" (1/1) ... [2024-11-07 19:48:59,897 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:59" (1/1) ... [2024-11-07 19:48:59,900 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:59" (1/1) ... [2024-11-07 19:48:59,901 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:59" (1/1) ... [2024-11-07 19:48:59,902 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:59" (1/1) ... [2024-11-07 19:48:59,903 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 19:48:59,904 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 19:48:59,904 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 19:48:59,904 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 19:48:59,904 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:59" (1/1) ... [2024-11-07 19:48:59,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:48:59,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:48:59,933 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 19:48:59,938 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 19:48:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 19:48:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 19:48:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-11-07 19:48:59,952 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-11-07 19:48:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 19:48:59,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 19:48:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-11-07 19:48:59,952 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-11-07 19:48:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 19:48:59,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 19:49:00,010 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 19:49:00,012 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 19:49:00,350 INFO L? ?]: Removed 66 outVars from TransFormulas that were not future-live. [2024-11-07 19:49:00,350 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 19:49:00,356 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 19:49:00,360 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-07 19:49:00,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:49:00 BoogieIcfgContainer [2024-11-07 19:49:00,361 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 19:49:00,362 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 19:49:00,362 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 19:49:00,366 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 19:49:00,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:48:59" (1/3) ... [2024-11-07 19:49:00,367 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26411605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:49:00, skipping insertion in model container [2024-11-07 19:49:00,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:59" (2/3) ... [2024-11-07 19:49:00,367 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26411605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:49:00, skipping insertion in model container [2024-11-07 19:49:00,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:49:00" (3/3) ... [2024-11-07 19:49:00,369 INFO L112 eAbstractionObserver]: Analyzing ICFG soft_float_4-2a.c.cil.c [2024-11-07 19:49:00,379 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 19:49:00,379 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-11-07 19:49:00,420 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 19:49:00,428 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;@60af1b4f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 19:49:00,428 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-11-07 19:49:00,431 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 81 states have (on average 1.5925925925925926) internal successors, (129), 97 states have internal predecessors, (129), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 19:49:00,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-07 19:49:00,435 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:49:00,435 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:49:00,436 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 19:49:00,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:49:00,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1722265106, now seen corresponding path program 1 times [2024-11-07 19:49:00,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:49:00,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146473580] [2024-11-07 19:49:00,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:00,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:49:00,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:00,585 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 19:49:00,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:49:00,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146473580] [2024-11-07 19:49:00,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146473580] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:49:00,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:49:00,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:49:00,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083873766] [2024-11-07 19:49:00,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:49:00,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 19:49:00,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:49:00,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 19:49:00,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 19:49:00,615 INFO L87 Difference]: Start difference. First operand has 109 states, 81 states have (on average 1.5925925925925926) internal successors, (129), 97 states have internal predecessors, (129), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:49:00,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:49:00,728 INFO L93 Difference]: Finished difference Result 263 states and 376 transitions. [2024-11-07 19:49:00,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 19:49:00,730 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-07 19:49:00,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:49:00,734 INFO L225 Difference]: With dead ends: 263 [2024-11-07 19:49:00,735 INFO L226 Difference]: Without dead ends: 147 [2024-11-07 19:49:00,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:49:00,741 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 85 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:49:00,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 356 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:49:00,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-07 19:49:00,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 137. [2024-11-07 19:49:00,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 114 states have (on average 1.4736842105263157) internal successors, (168), 126 states have internal predecessors, (168), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 19:49:00,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 181 transitions. [2024-11-07 19:49:00,778 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 181 transitions. Word has length 9 [2024-11-07 19:49:00,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:49:00,779 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 181 transitions. [2024-11-07 19:49:00,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:49:00,779 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 181 transitions. [2024-11-07 19:49:00,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-07 19:49:00,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:49:00,781 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:49:00,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 19:49:00,782 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 19:49:00,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:49:00,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1225967314, now seen corresponding path program 1 times [2024-11-07 19:49:00,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:49:00,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809106177] [2024-11-07 19:49:00,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:00,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:49:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:00,822 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 19:49:00,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:49:00,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809106177] [2024-11-07 19:49:00,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809106177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:49:00,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:49:00,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:49:00,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576613986] [2024-11-07 19:49:00,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:49:00,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:49:00,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:49:00,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:49:00,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:49:00,825 INFO L87 Difference]: Start difference. First operand 137 states and 181 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:49:00,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:49:00,877 INFO L93 Difference]: Finished difference Result 257 states and 338 transitions. [2024-11-07 19:49:00,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:49:00,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-07 19:49:00,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:49:00,881 INFO L225 Difference]: With dead ends: 257 [2024-11-07 19:49:00,881 INFO L226 Difference]: Without dead ends: 151 [2024-11-07 19:49:00,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:49:00,883 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 12 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:49:00,883 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 213 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:49:00,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-07 19:49:00,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 141. [2024-11-07 19:49:00,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 118 states have (on average 1.4576271186440677) internal successors, (172), 130 states have internal predecessors, (172), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 19:49:00,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 185 transitions. [2024-11-07 19:49:00,898 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 185 transitions. Word has length 14 [2024-11-07 19:49:00,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:49:00,899 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 185 transitions. [2024-11-07 19:49:00,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:49:00,899 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 185 transitions. [2024-11-07 19:49:00,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-07 19:49:00,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:49:00,899 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:49:00,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 19:49:00,900 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 19:49:00,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:49:00,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1226078660, now seen corresponding path program 1 times [2024-11-07 19:49:00,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:49:00,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481549305] [2024-11-07 19:49:00,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:00,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:49:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:00,952 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-07 19:49:00,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:49:00,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481549305] [2024-11-07 19:49:00,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481549305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:49:00,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:49:00,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 19:49:00,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664552408] [2024-11-07 19:49:00,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:49:00,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:49:00,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:49:00,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:49:00,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:49:00,955 INFO L87 Difference]: Start difference. First operand 141 states and 185 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:49:00,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:49:00,990 INFO L93 Difference]: Finished difference Result 141 states and 185 transitions. [2024-11-07 19:49:00,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:49:00,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-07 19:49:00,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:49:00,991 INFO L225 Difference]: With dead ends: 141 [2024-11-07 19:49:00,992 INFO L226 Difference]: Without dead ends: 140 [2024-11-07 19:49:00,992 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 19:49:00,994 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 1 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:49:00,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 212 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:49:00,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-07 19:49:01,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2024-11-07 19:49:01,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 118 states have (on average 1.4406779661016949) internal successors, (170), 129 states have internal predecessors, (170), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 19:49:01,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 183 transitions. [2024-11-07 19:49:01,005 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 183 transitions. Word has length 14 [2024-11-07 19:49:01,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:49:01,005 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 183 transitions. [2024-11-07 19:49:01,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:49:01,005 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 183 transitions. [2024-11-07 19:49:01,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-07 19:49:01,006 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:49:01,006 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:49:01,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 19:49:01,006 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 19:49:01,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:49:01,006 INFO L85 PathProgramCache]: Analyzing trace with hash -969004672, now seen corresponding path program 1 times [2024-11-07 19:49:01,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:49:01,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074390721] [2024-11-07 19:49:01,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:01,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:49:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:01,087 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 19:49:01,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:49:01,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074390721] [2024-11-07 19:49:01,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074390721] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:49:01,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567641515] [2024-11-07 19:49:01,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:01,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:49:01,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:49:01,090 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 19:49:01,091 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 19:49:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:01,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 19:49:01,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:49:01,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:49:01,164 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:49:01,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567641515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:49:01,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 19:49:01,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-07 19:49:01,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287444171] [2024-11-07 19:49:01,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:49:01,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 19:49:01,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:49:01,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 19:49:01,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-07 19:49:01,166 INFO L87 Difference]: Start difference. First operand 140 states and 183 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:49:01,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:49:01,219 INFO L93 Difference]: Finished difference Result 173 states and 233 transitions. [2024-11-07 19:49:01,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 19:49:01,219 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-07 19:49:01,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:49:01,220 INFO L225 Difference]: With dead ends: 173 [2024-11-07 19:49:01,220 INFO L226 Difference]: Without dead ends: 171 [2024-11-07 19:49:01,221 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-07 19:49:01,221 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 28 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:49:01,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 225 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:49:01,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-07 19:49:01,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 147. [2024-11-07 19:49:01,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 125 states have (on average 1.416) internal successors, (177), 136 states have internal predecessors, (177), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 19:49:01,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 190 transitions. [2024-11-07 19:49:01,234 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 190 transitions. Word has length 15 [2024-11-07 19:49:01,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:49:01,234 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 190 transitions. [2024-11-07 19:49:01,234 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:49:01,234 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2024-11-07 19:49:01,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-07 19:49:01,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:49:01,237 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:49:01,250 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 19:49:01,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:49:01,438 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 19:49:01,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:49:01,438 INFO L85 PathProgramCache]: Analyzing trace with hash 646267261, now seen corresponding path program 1 times [2024-11-07 19:49:01,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:49:01,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808339086] [2024-11-07 19:49:01,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:01,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:49:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:01,501 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 19:49:01,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:49:01,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808339086] [2024-11-07 19:49:01,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808339086] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:49:01,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1252290746] [2024-11-07 19:49:01,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:01,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:49:01,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:49:01,504 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 19:49:01,505 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 19:49:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:01,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 19:49:01,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:49:01,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:49:01,553 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:49:01,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1252290746] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:49:01,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 19:49:01,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-07 19:49:01,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866637935] [2024-11-07 19:49:01,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:49:01,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:49:01,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:49:01,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:49:01,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:49:01,555 INFO L87 Difference]: Start difference. First operand 147 states and 190 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:49:01,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:49:01,604 INFO L93 Difference]: Finished difference Result 153 states and 198 transitions. [2024-11-07 19:49:01,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:49:01,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-07 19:49:01,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:49:01,606 INFO L225 Difference]: With dead ends: 153 [2024-11-07 19:49:01,608 INFO L226 Difference]: Without dead ends: 152 [2024-11-07 19:49:01,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:49:01,609 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 14 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:49:01,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 209 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:49:01,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-07 19:49:01,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 149. [2024-11-07 19:49:01,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 127 states have (on average 1.4094488188976377) internal successors, (179), 138 states have internal predecessors, (179), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 19:49:01,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 192 transitions. [2024-11-07 19:49:01,617 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 192 transitions. Word has length 15 [2024-11-07 19:49:01,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:49:01,617 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 192 transitions. [2024-11-07 19:49:01,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:49:01,617 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 192 transitions. [2024-11-07 19:49:01,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-07 19:49:01,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:49:01,618 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:49:01,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-07 19:49:01,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:49:01,820 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 19:49:01,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:49:01,821 INFO L85 PathProgramCache]: Analyzing trace with hash -842943450, now seen corresponding path program 1 times [2024-11-07 19:49:01,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:49:01,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765021954] [2024-11-07 19:49:01,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:01,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:49:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:01,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 19:49:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:01,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:49:01,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:49:01,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765021954] [2024-11-07 19:49:01,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765021954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:49:01,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:49:01,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:49:01,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131958314] [2024-11-07 19:49:01,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:49:01,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:49:01,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:49:01,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:49:01,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:49:01,868 INFO L87 Difference]: Start difference. First operand 149 states and 192 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 19:49:01,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:49:01,939 INFO L93 Difference]: Finished difference Result 216 states and 280 transitions. [2024-11-07 19:49:01,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 19:49:01,939 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-11-07 19:49:01,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:49:01,941 INFO L225 Difference]: With dead ends: 216 [2024-11-07 19:49:01,941 INFO L226 Difference]: Without dead ends: 214 [2024-11-07 19:49:01,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:49:01,943 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 76 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:49:01,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 397 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:49:01,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-07 19:49:01,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 182. [2024-11-07 19:49:01,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 159 states have (on average 1.421383647798742) internal successors, (226), 170 states have internal predecessors, (226), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 19:49:01,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 239 transitions. [2024-11-07 19:49:01,957 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 239 transitions. Word has length 17 [2024-11-07 19:49:01,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:49:01,957 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 239 transitions. [2024-11-07 19:49:01,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 19:49:01,957 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 239 transitions. [2024-11-07 19:49:01,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-07 19:49:01,958 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:49:01,958 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:49:01,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 19:49:01,958 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 19:49:01,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:49:01,958 INFO L85 PathProgramCache]: Analyzing trace with hash -871570806, now seen corresponding path program 1 times [2024-11-07 19:49:01,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:49:01,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141263133] [2024-11-07 19:49:01,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:01,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:49:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:02,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 19:49:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:02,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:49:02,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:49:02,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141263133] [2024-11-07 19:49:02,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141263133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:49:02,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:49:02,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:49:02,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696848854] [2024-11-07 19:49:02,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:49:02,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:49:02,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:49:02,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:49:02,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:49:02,009 INFO L87 Difference]: Start difference. First operand 182 states and 239 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 19:49:02,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:49:02,084 INFO L93 Difference]: Finished difference Result 208 states and 271 transitions. [2024-11-07 19:49:02,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 19:49:02,084 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-11-07 19:49:02,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:49:02,085 INFO L225 Difference]: With dead ends: 208 [2024-11-07 19:49:02,085 INFO L226 Difference]: Without dead ends: 205 [2024-11-07 19:49:02,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:49:02,086 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 78 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:49:02,086 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 394 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:49:02,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-07 19:49:02,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 185. [2024-11-07 19:49:02,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 163 states have (on average 1.392638036809816) internal successors, (227), 173 states have internal predecessors, (227), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 19:49:02,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 240 transitions. [2024-11-07 19:49:02,095 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 240 transitions. Word has length 17 [2024-11-07 19:49:02,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:49:02,096 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 240 transitions. [2024-11-07 19:49:02,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 19:49:02,096 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 240 transitions. [2024-11-07 19:49:02,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-07 19:49:02,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:49:02,097 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:49:02,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 19:49:02,099 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 19:49:02,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:49:02,099 INFO L85 PathProgramCache]: Analyzing trace with hash 796579244, now seen corresponding path program 1 times [2024-11-07 19:49:02,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:49:02,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628218833] [2024-11-07 19:49:02,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:02,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:49:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:02,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:49:02,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:49:02,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628218833] [2024-11-07 19:49:02,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628218833] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:49:02,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746182553] [2024-11-07 19:49:02,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:02,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:49:02,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:49:02,155 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 19:49:02,156 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 19:49:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:02,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 19:49:02,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:49:02,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:49:02,216 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:49:02,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746182553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:49:02,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 19:49:02,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-07 19:49:02,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960697867] [2024-11-07 19:49:02,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:49:02,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 19:49:02,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:49:02,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 19:49:02,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 19:49:02,220 INFO L87 Difference]: Start difference. First operand 185 states and 240 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:49:02,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:49:02,269 INFO L93 Difference]: Finished difference Result 201 states and 264 transitions. [2024-11-07 19:49:02,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 19:49:02,270 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-07 19:49:02,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:49:02,271 INFO L225 Difference]: With dead ends: 201 [2024-11-07 19:49:02,272 INFO L226 Difference]: Without dead ends: 200 [2024-11-07 19:49:02,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 19:49:02,273 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 8 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:49:02,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 322 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:49:02,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-11-07 19:49:02,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 180. [2024-11-07 19:49:02,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 158 states have (on average 1.3860759493670887) internal successors, (219), 168 states have internal predecessors, (219), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 19:49:02,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 232 transitions. [2024-11-07 19:49:02,280 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 232 transitions. Word has length 17 [2024-11-07 19:49:02,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:49:02,281 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 232 transitions. [2024-11-07 19:49:02,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:49:02,281 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 232 transitions. [2024-11-07 19:49:02,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-07 19:49:02,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:49:02,283 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:49:02,295 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 19:49:02,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:49:02,484 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 19:49:02,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:49:02,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1694917281, now seen corresponding path program 1 times [2024-11-07 19:49:02,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:49:02,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065673414] [2024-11-07 19:49:02,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:02,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:49:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:02,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 19:49:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:02,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 19:49:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:02,542 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-07 19:49:02,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:49:02,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065673414] [2024-11-07 19:49:02,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065673414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:49:02,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:49:02,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:49:02,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396180174] [2024-11-07 19:49:02,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:49:02,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:49:02,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:49:02,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:49:02,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:49:02,544 INFO L87 Difference]: Start difference. First operand 180 states and 232 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 19:49:02,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:49:02,607 INFO L93 Difference]: Finished difference Result 198 states and 256 transitions. [2024-11-07 19:49:02,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 19:49:02,608 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2024-11-07 19:49:02,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:49:02,609 INFO L225 Difference]: With dead ends: 198 [2024-11-07 19:49:02,610 INFO L226 Difference]: Without dead ends: 196 [2024-11-07 19:49:02,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:49:02,610 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 75 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:49:02,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 389 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:49:02,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-07 19:49:02,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 171. [2024-11-07 19:49:02,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 151 states have (on average 1.3774834437086092) internal successors, (208), 159 states have internal predecessors, (208), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 19:49:02,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 221 transitions. [2024-11-07 19:49:02,618 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 221 transitions. Word has length 24 [2024-11-07 19:49:02,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:49:02,619 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 221 transitions. [2024-11-07 19:49:02,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 19:49:02,619 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 221 transitions. [2024-11-07 19:49:02,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-07 19:49:02,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:49:02,620 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:49:02,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 19:49:02,620 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 19:49:02,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:49:02,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1666289925, now seen corresponding path program 1 times [2024-11-07 19:49:02,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:49:02,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551103243] [2024-11-07 19:49:02,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:02,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:49:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:02,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 19:49:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:02,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 19:49:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:02,660 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-07 19:49:02,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:49:02,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551103243] [2024-11-07 19:49:02,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551103243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:49:02,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:49:02,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 19:49:02,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692227776] [2024-11-07 19:49:02,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:49:02,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:49:02,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:49:02,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:49:02,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 19:49:02,661 INFO L87 Difference]: Start difference. First operand 171 states and 221 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 19:49:02,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:49:02,716 INFO L93 Difference]: Finished difference Result 189 states and 245 transitions. [2024-11-07 19:49:02,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 19:49:02,717 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2024-11-07 19:49:02,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:49:02,718 INFO L225 Difference]: With dead ends: 189 [2024-11-07 19:49:02,718 INFO L226 Difference]: Without dead ends: 187 [2024-11-07 19:49:02,718 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:49:02,718 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 76 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:49:02,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 387 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:49:02,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-07 19:49:02,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 160. [2024-11-07 19:49:02,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 142 states have (on average 1.3732394366197183) internal successors, (195), 148 states have internal predecessors, (195), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 19:49:02,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 208 transitions. [2024-11-07 19:49:02,725 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 208 transitions. Word has length 24 [2024-11-07 19:49:02,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:49:02,725 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 208 transitions. [2024-11-07 19:49:02,725 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 19:49:02,725 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 208 transitions. [2024-11-07 19:49:02,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-07 19:49:02,726 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:49:02,726 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:49:02,726 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 19:49:02,726 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting addfltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 19:49:02,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:49:02,726 INFO L85 PathProgramCache]: Analyzing trace with hash -444398166, now seen corresponding path program 1 times [2024-11-07 19:49:02,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:49:02,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043453089] [2024-11-07 19:49:02,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:02,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:49:02,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:02,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 19:49:02,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:02,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 19:49:02,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:02,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 19:49:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:02,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 19:49:02,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:02,873 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-07 19:49:02,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:49:02,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043453089] [2024-11-07 19:49:02,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043453089] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:49:02,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639559307] [2024-11-07 19:49:02,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:02,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:49:02,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:49:02,875 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 19:49:02,876 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 19:49:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:02,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 19:49:02,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:49:02,958 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 19:49:02,959 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:49:02,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639559307] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:49:02,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 19:49:02,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 12 [2024-11-07 19:49:02,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042867925] [2024-11-07 19:49:02,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:49:02,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:49:02,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:49:02,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:49:02,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-07 19:49:02,960 INFO L87 Difference]: Start difference. First operand 160 states and 208 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 19:49:03,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:49:03,005 INFO L93 Difference]: Finished difference Result 160 states and 208 transitions. [2024-11-07 19:49:03,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 19:49:03,005 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2024-11-07 19:49:03,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:49:03,006 INFO L225 Difference]: With dead ends: 160 [2024-11-07 19:49:03,006 INFO L226 Difference]: Without dead ends: 159 [2024-11-07 19:49:03,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-07 19:49:03,007 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 1 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 399 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 19:49:03,007 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 399 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:49:03,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-07 19:49:03,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2024-11-07 19:49:03,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 142 states have (on average 1.3661971830985915) internal successors, (194), 147 states have internal predecessors, (194), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 19:49:03,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 207 transitions. [2024-11-07 19:49:03,013 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 207 transitions. Word has length 41 [2024-11-07 19:49:03,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:49:03,013 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 207 transitions. [2024-11-07 19:49:03,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 19:49:03,013 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 207 transitions. [2024-11-07 19:49:03,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-07 19:49:03,013 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:49:03,014 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:49:03,026 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-07 19:49:03,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-07 19:49:03,214 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting addfltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 19:49:03,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:49:03,214 INFO L85 PathProgramCache]: Analyzing trace with hash -891441047, now seen corresponding path program 1 times [2024-11-07 19:49:03,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:49:03,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678928847] [2024-11-07 19:49:03,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:03,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:49:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:03,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 19:49:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:03,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 19:49:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:03,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 19:49:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:03,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 19:49:03,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:03,367 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-07 19:49:03,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:49:03,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678928847] [2024-11-07 19:49:03,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678928847] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:49:03,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780106587] [2024-11-07 19:49:03,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:03,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:49:03,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:49:03,370 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 19:49:03,371 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 19:49:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:03,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-07 19:49:03,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:49:03,441 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-07 19:49:03,442 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:49:03,556 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-07 19:49:03,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780106587] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:49:03,558 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:49:03,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2024-11-07 19:49:03,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70461957] [2024-11-07 19:49:03,558 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:49:03,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 19:49:03,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:49:03,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 19:49:03,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-11-07 19:49:03,559 INFO L87 Difference]: Start difference. First operand 159 states and 207 transitions. Second operand has 16 states, 16 states have (on average 2.4375) internal successors, (39), 12 states have internal predecessors, (39), 4 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (7), 6 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-07 19:49:03,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:49:03,663 INFO L93 Difference]: Finished difference Result 233 states and 299 transitions. [2024-11-07 19:49:03,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 19:49:03,664 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 12 states have internal predecessors, (39), 4 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (7), 6 states have call predecessors, (7), 4 states have call successors, (7) Word has length 42 [2024-11-07 19:49:03,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:49:03,665 INFO L225 Difference]: With dead ends: 233 [2024-11-07 19:49:03,665 INFO L226 Difference]: Without dead ends: 181 [2024-11-07 19:49:03,665 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2024-11-07 19:49:03,665 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 16 mSDsluCounter, 1029 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1134 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:49:03,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1134 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:49:03,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-07 19:49:03,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 172. [2024-11-07 19:49:03,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 151 states have (on average 1.3509933774834437) internal successors, (204), 157 states have internal predecessors, (204), 9 states have call successors, (9), 6 states have call predecessors, (9), 7 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2024-11-07 19:49:03,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 222 transitions. [2024-11-07 19:49:03,675 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 222 transitions. Word has length 42 [2024-11-07 19:49:03,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:49:03,675 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 222 transitions. [2024-11-07 19:49:03,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 12 states have internal predecessors, (39), 4 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (7), 6 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-07 19:49:03,676 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 222 transitions. [2024-11-07 19:49:03,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-07 19:49:03,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:49:03,677 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:49:03,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-07 19:49:03,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-07 19:49:03,880 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting addfltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 19:49:03,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:49:03,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1777477862, now seen corresponding path program 1 times [2024-11-07 19:49:03,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:49:03,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986418924] [2024-11-07 19:49:03,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:03,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:49:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:03,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 19:49:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:03,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 19:49:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:03,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 19:49:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:04,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 19:49:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:04,010 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-07 19:49:04,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:49:04,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986418924] [2024-11-07 19:49:04,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986418924] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:49:04,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:49:04,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 19:49:04,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253281975] [2024-11-07 19:49:04,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:49:04,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 19:49:04,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:49:04,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 19:49:04,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 19:49:04,012 INFO L87 Difference]: Start difference. First operand 172 states and 222 transitions. Second operand has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 19:49:04,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:49:04,055 INFO L93 Difference]: Finished difference Result 252 states and 319 transitions. [2024-11-07 19:49:04,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 19:49:04,056 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 46 [2024-11-07 19:49:04,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:49:04,056 INFO L225 Difference]: With dead ends: 252 [2024-11-07 19:49:04,056 INFO L226 Difference]: Without dead ends: 196 [2024-11-07 19:49:04,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 19:49:04,057 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 7 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 731 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:49:04,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 731 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:49:04,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-07 19:49:04,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 183. [2024-11-07 19:49:04,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 159 states have (on average 1.3333333333333333) internal successors, (212), 166 states have internal predecessors, (212), 10 states have call successors, (10), 7 states have call predecessors, (10), 9 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-07 19:49:04,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 234 transitions. [2024-11-07 19:49:04,065 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 234 transitions. Word has length 46 [2024-11-07 19:49:04,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:49:04,065 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 234 transitions. [2024-11-07 19:49:04,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 19:49:04,065 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 234 transitions. [2024-11-07 19:49:04,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-07 19:49:04,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:49:04,066 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:49:04,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 19:49:04,066 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting addfltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 19:49:04,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:49:04,066 INFO L85 PathProgramCache]: Analyzing trace with hash -342863991, now seen corresponding path program 2 times [2024-11-07 19:49:04,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:49:04,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917142536] [2024-11-07 19:49:04,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:04,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:49:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:04,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 19:49:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:04,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 19:49:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:04,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 19:49:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:04,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 19:49:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:04,201 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-07 19:49:04,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:49:04,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917142536] [2024-11-07 19:49:04,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917142536] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:49:04,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490198843] [2024-11-07 19:49:04,201 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 19:49:04,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:49:04,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:49:04,203 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 19:49:04,204 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 19:49:04,256 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 19:49:04,257 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 19:49:04,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 19:49:04,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:49:04,419 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-07 19:49:04,419 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:49:04,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [490198843] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:49:04,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 19:49:04,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-07 19:49:04,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207621756] [2024-11-07 19:49:04,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:49:04,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 19:49:04,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:49:04,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 19:49:04,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-07 19:49:04,421 INFO L87 Difference]: Start difference. First operand 183 states and 234 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 19:49:04,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:49:04,456 INFO L93 Difference]: Finished difference Result 183 states and 234 transitions. [2024-11-07 19:49:04,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 19:49:04,456 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 50 [2024-11-07 19:49:04,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:49:04,457 INFO L225 Difference]: With dead ends: 183 [2024-11-07 19:49:04,457 INFO L226 Difference]: Without dead ends: 182 [2024-11-07 19:49:04,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-07 19:49:04,458 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 9 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:49:04,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 285 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:49:04,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-07 19:49:04,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2024-11-07 19:49:04,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 159 states have (on average 1.3270440251572326) internal successors, (211), 165 states have internal predecessors, (211), 10 states have call successors, (10), 7 states have call predecessors, (10), 9 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-07 19:49:04,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 233 transitions. [2024-11-07 19:49:04,471 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 233 transitions. Word has length 50 [2024-11-07 19:49:04,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:49:04,471 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 233 transitions. [2024-11-07 19:49:04,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 19:49:04,472 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 233 transitions. [2024-11-07 19:49:04,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-07 19:49:04,472 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:49:04,472 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:49:04,485 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 19:49:04,676 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,SelfDestructingSolverStorable13 [2024-11-07 19:49:04,677 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting addfltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 19:49:04,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:49:04,677 INFO L85 PathProgramCache]: Analyzing trace with hash -965146267, now seen corresponding path program 1 times [2024-11-07 19:49:04,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:49:04,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418602313] [2024-11-07 19:49:04,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:04,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:49:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:04,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 19:49:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:04,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 19:49:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:04,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 19:49:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:04,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 19:49:04,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:04,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 19:49:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:04,756 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-07 19:49:04,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:49:04,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418602313] [2024-11-07 19:49:04,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418602313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:49:04,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:49:04,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 19:49:04,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754233484] [2024-11-07 19:49:04,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:49:04,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:49:04,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:49:04,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:49:04,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:49:04,757 INFO L87 Difference]: Start difference. First operand 182 states and 233 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 19:49:04,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:49:04,780 INFO L93 Difference]: Finished difference Result 185 states and 236 transitions. [2024-11-07 19:49:04,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:49:04,781 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 58 [2024-11-07 19:49:04,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:49:04,782 INFO L225 Difference]: With dead ends: 185 [2024-11-07 19:49:04,782 INFO L226 Difference]: Without dead ends: 183 [2024-11-07 19:49:04,782 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 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 19:49:04,782 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 22 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:49:04,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 161 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:49:04,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-07 19:49:04,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 180. [2024-11-07 19:49:04,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 159 states have (on average 1.3144654088050314) internal successors, (209), 163 states have internal predecessors, (209), 10 states have call successors, (10), 7 states have call predecessors, (10), 9 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2024-11-07 19:49:04,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 231 transitions. [2024-11-07 19:49:04,793 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 231 transitions. Word has length 58 [2024-11-07 19:49:04,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:49:04,793 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 231 transitions. [2024-11-07 19:49:04,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 19:49:04,793 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 231 transitions. [2024-11-07 19:49:04,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-07 19:49:04,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:49:04,794 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:49:04,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 19:49:04,794 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting addfltErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 19:49:04,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:49:04,795 INFO L85 PathProgramCache]: Analyzing trace with hash 145237049, now seen corresponding path program 1 times [2024-11-07 19:49:04,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:49:04,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20866458] [2024-11-07 19:49:04,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:04,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:49:04,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:04,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 19:49:04,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:04,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 19:49:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:04,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 19:49:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:04,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 19:49:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:04,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 19:49:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:04,936 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-07 19:49:04,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:49:04,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20866458] [2024-11-07 19:49:04,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20866458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:49:04,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:49:04,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 19:49:04,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530164483] [2024-11-07 19:49:04,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:49:04,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 19:49:04,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:49:04,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 19:49:04,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 19:49:04,938 INFO L87 Difference]: Start difference. First operand 180 states and 231 transitions. Second operand has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-07 19:49:05,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:49:05,014 INFO L93 Difference]: Finished difference Result 276 states and 350 transitions. [2024-11-07 19:49:05,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 19:49:05,015 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 59 [2024-11-07 19:49:05,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:49:05,016 INFO L225 Difference]: With dead ends: 276 [2024-11-07 19:49:05,016 INFO L226 Difference]: Without dead ends: 221 [2024-11-07 19:49:05,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-07 19:49:05,016 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 101 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:49:05,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 833 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:49:05,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-07 19:49:05,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 216. [2024-11-07 19:49:05,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 192 states have (on average 1.296875) internal successors, (249), 195 states have internal predecessors, (249), 13 states have call successors, (13), 8 states have call predecessors, (13), 9 states have return successors, (14), 12 states have call predecessors, (14), 11 states have call successors, (14) [2024-11-07 19:49:05,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 276 transitions. [2024-11-07 19:49:05,028 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 276 transitions. Word has length 59 [2024-11-07 19:49:05,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:49:05,028 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 276 transitions. [2024-11-07 19:49:05,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.777777777777778) internal successors, (43), 7 states have internal predecessors, (43), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-07 19:49:05,029 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 276 transitions. [2024-11-07 19:49:05,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-07 19:49:05,033 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:49:05,033 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:49:05,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 19:49:05,033 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting addfltErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 19:49:05,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:49:05,033 INFO L85 PathProgramCache]: Analyzing trace with hash 207276663, now seen corresponding path program 1 times [2024-11-07 19:49:05,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:49:05,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666351369] [2024-11-07 19:49:05,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:05,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:49:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:05,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 19:49:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:05,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 19:49:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:05,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 19:49:05,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:05,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 19:49:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:05,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 19:49:05,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:05,152 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-07 19:49:05,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:49:05,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666351369] [2024-11-07 19:49:05,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666351369] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:49:05,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2000161798] [2024-11-07 19:49:05,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:05,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:49:05,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:49:05,154 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 19:49:05,155 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 19:49:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:05,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-07 19:49:05,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:49:05,261 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-07 19:49:05,261 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:49:05,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2000161798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:49:05,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 19:49:05,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 9 [2024-11-07 19:49:05,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470125873] [2024-11-07 19:49:05,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:49:05,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:49:05,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:49:05,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:49:05,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 19:49:05,263 INFO L87 Difference]: Start difference. First operand 216 states and 276 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 19:49:05,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:49:05,288 INFO L93 Difference]: Finished difference Result 231 states and 295 transitions. [2024-11-07 19:49:05,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:49:05,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2024-11-07 19:49:05,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:49:05,290 INFO L225 Difference]: With dead ends: 231 [2024-11-07 19:49:05,290 INFO L226 Difference]: Without dead ends: 225 [2024-11-07 19:49:05,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-07 19:49:05,290 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 21 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:49:05,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 164 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:49:05,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-07 19:49:05,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 219. [2024-11-07 19:49:05,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 195 states have (on average 1.2769230769230768) internal successors, (249), 197 states have internal predecessors, (249), 14 states have call successors, (14), 8 states have call predecessors, (14), 9 states have return successors, (15), 13 states have call predecessors, (15), 12 states have call successors, (15) [2024-11-07 19:49:05,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 278 transitions. [2024-11-07 19:49:05,300 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 278 transitions. Word has length 59 [2024-11-07 19:49:05,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:49:05,300 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 278 transitions. [2024-11-07 19:49:05,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 19:49:05,301 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 278 transitions. [2024-11-07 19:49:05,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-07 19:49:05,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:49:05,303 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:49:05,315 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 19:49:05,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:49:05,504 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting addfltErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 19:49:05,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:49:05,504 INFO L85 PathProgramCache]: Analyzing trace with hash 41259793, now seen corresponding path program 1 times [2024-11-07 19:49:05,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:49:05,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431938514] [2024-11-07 19:49:05,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:05,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:49:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:05,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 19:49:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:05,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 19:49:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:05,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 19:49:05,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:05,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 19:49:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:05,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 19:49:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:05,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 19:49:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:05,653 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-07 19:49:05,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:49:05,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431938514] [2024-11-07 19:49:05,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431938514] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:49:05,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437648338] [2024-11-07 19:49:05,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:05,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:49:05,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:49:05,655 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 19:49:05,656 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 19:49:05,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:05,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-07 19:49:05,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:49:05,803 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-07 19:49:05,803 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:49:05,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437648338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:49:05,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 19:49:05,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2024-11-07 19:49:05,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326709705] [2024-11-07 19:49:05,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:49:05,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 19:49:05,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:49:05,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 19:49:05,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2024-11-07 19:49:05,804 INFO L87 Difference]: Start difference. First operand 219 states and 278 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 19:49:05,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:49:05,895 INFO L93 Difference]: Finished difference Result 350 states and 445 transitions. [2024-11-07 19:49:05,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 19:49:05,896 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 67 [2024-11-07 19:49:05,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:49:05,897 INFO L225 Difference]: With dead ends: 350 [2024-11-07 19:49:05,897 INFO L226 Difference]: Without dead ends: 289 [2024-11-07 19:49:05,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2024-11-07 19:49:05,898 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 24 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 708 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:49:05,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 708 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:49:05,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-11-07 19:49:05,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 247. [2024-11-07 19:49:05,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 221 states have (on average 1.262443438914027) internal successors, (279), 223 states have internal predecessors, (279), 16 states have call successors, (16), 8 states have call predecessors, (16), 9 states have return successors, (17), 15 states have call predecessors, (17), 14 states have call successors, (17) [2024-11-07 19:49:05,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 312 transitions. [2024-11-07 19:49:05,914 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 312 transitions. Word has length 67 [2024-11-07 19:49:05,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:49:05,914 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 312 transitions. [2024-11-07 19:49:05,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 3 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 19:49:05,915 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 312 transitions. [2024-11-07 19:49:05,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-07 19:49:05,915 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:49:05,916 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:49:05,929 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 19:49:06,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-07 19:49:06,117 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting addfltErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 19:49:06,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:49:06,117 INFO L85 PathProgramCache]: Analyzing trace with hash -348381828, now seen corresponding path program 1 times [2024-11-07 19:49:06,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:49:06,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523508748] [2024-11-07 19:49:06,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:06,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:49:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:06,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 19:49:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:06,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 19:49:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:06,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 19:49:06,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:06,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 19:49:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:06,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 19:49:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:06,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 19:49:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:06,231 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-07 19:49:06,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:49:06,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523508748] [2024-11-07 19:49:06,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523508748] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:49:06,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421681141] [2024-11-07 19:49:06,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:06,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:49:06,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:49:06,234 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 19:49:06,235 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-07 19:49:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:06,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-07 19:49:06,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:49:06,309 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-07 19:49:06,309 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:49:06,419 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-07 19:49:06,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421681141] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:49:06,420 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:49:06,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2024-11-07 19:49:06,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995439919] [2024-11-07 19:49:06,420 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:49:06,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 19:49:06,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:49:06,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 19:49:06,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-07 19:49:06,422 INFO L87 Difference]: Start difference. First operand 247 states and 312 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 10 states have internal predecessors, (59), 4 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (11), 6 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-07 19:49:06,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:49:06,478 INFO L93 Difference]: Finished difference Result 372 states and 464 transitions. [2024-11-07 19:49:06,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 19:49:06,479 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 10 states have internal predecessors, (59), 4 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (11), 6 states have call predecessors, (11), 4 states have call successors, (11) Word has length 68 [2024-11-07 19:49:06,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:49:06,480 INFO L225 Difference]: With dead ends: 372 [2024-11-07 19:49:06,480 INFO L226 Difference]: Without dead ends: 237 [2024-11-07 19:49:06,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-07 19:49:06,481 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 10 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:49:06,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 844 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:49:06,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-11-07 19:49:06,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 234. [2024-11-07 19:49:06,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 212 states have (on average 1.259433962264151) internal successors, (267), 213 states have internal predecessors, (267), 14 states have call successors, (14), 7 states have call predecessors, (14), 7 states have return successors, (13), 13 states have call predecessors, (13), 12 states have call successors, (13) [2024-11-07 19:49:06,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 294 transitions. [2024-11-07 19:49:06,488 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 294 transitions. Word has length 68 [2024-11-07 19:49:06,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:49:06,488 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 294 transitions. [2024-11-07 19:49:06,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 10 states have internal predecessors, (59), 4 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (11), 6 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-07 19:49:06,488 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 294 transitions. [2024-11-07 19:49:06,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-07 19:49:06,489 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:49:06,490 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:49:06,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-07 19:49:06,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:49:06,694 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting addfltErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 19:49:06,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:49:06,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1664895080, now seen corresponding path program 1 times [2024-11-07 19:49:06,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:49:06,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014158710] [2024-11-07 19:49:06,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:06,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:49:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:06,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 19:49:06,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:06,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 19:49:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:06,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 19:49:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:06,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 19:49:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:06,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 19:49:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:06,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-07 19:49:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:06,873 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 19:49:06,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:49:06,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014158710] [2024-11-07 19:49:06,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014158710] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:49:06,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255112755] [2024-11-07 19:49:06,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:06,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:49:06,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:49:06,875 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 19:49:06,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-07 19:49:06,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:06,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-07 19:49:06,941 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:49:06,999 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 19:49:07,000 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:49:07,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255112755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:49:07,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 19:49:07,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 13 [2024-11-07 19:49:07,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177067643] [2024-11-07 19:49:07,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:49:07,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 19:49:07,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:49:07,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 19:49:07,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-07 19:49:07,001 INFO L87 Difference]: Start difference. First operand 234 states and 294 transitions. Second operand has 11 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 4 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-07 19:49:07,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:49:07,097 INFO L93 Difference]: Finished difference Result 384 states and 487 transitions. [2024-11-07 19:49:07,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 19:49:07,097 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 4 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 76 [2024-11-07 19:49:07,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:49:07,098 INFO L225 Difference]: With dead ends: 384 [2024-11-07 19:49:07,098 INFO L226 Difference]: Without dead ends: 318 [2024-11-07 19:49:07,099 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-07 19:49:07,099 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 59 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 929 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:49:07,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 929 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:49:07,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2024-11-07 19:49:07,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 245. [2024-11-07 19:49:07,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 219 states have (on average 1.2557077625570776) internal successors, (275), 222 states have internal predecessors, (275), 16 states have call successors, (16), 7 states have call predecessors, (16), 9 states have return successors, (18), 15 states have call predecessors, (18), 14 states have call successors, (18) [2024-11-07 19:49:07,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 309 transitions. [2024-11-07 19:49:07,109 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 309 transitions. Word has length 76 [2024-11-07 19:49:07,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:49:07,110 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 309 transitions. [2024-11-07 19:49:07,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 5.666666666666667) internal successors, (51), 9 states have internal predecessors, (51), 4 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-07 19:49:07,110 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 309 transitions. [2024-11-07 19:49:07,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-07 19:49:07,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:49:07,111 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:49:07,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-07 19:49:07,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:49:07,315 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting addfltErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 19:49:07,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:49:07,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1912301685, now seen corresponding path program 1 times [2024-11-07 19:49:07,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:49:07,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086752990] [2024-11-07 19:49:07,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:07,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:49:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:07,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 19:49:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:07,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 19:49:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:07,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 19:49:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:07,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 19:49:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:07,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 19:49:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:07,361 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-07 19:49:07,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:49:07,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086752990] [2024-11-07 19:49:07,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086752990] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:49:07,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:49:07,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:49:07,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331419310] [2024-11-07 19:49:07,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:49:07,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:49:07,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:49:07,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:49:07,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:49:07,362 INFO L87 Difference]: Start difference. First operand 245 states and 309 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 19:49:07,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:49:07,373 INFO L93 Difference]: Finished difference Result 324 states and 408 transitions. [2024-11-07 19:49:07,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:49:07,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 68 [2024-11-07 19:49:07,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:49:07,374 INFO L225 Difference]: With dead ends: 324 [2024-11-07 19:49:07,374 INFO L226 Difference]: Without dead ends: 246 [2024-11-07 19:49:07,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 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 19:49:07,375 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 0 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:49:07,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 210 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:49:07,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-07 19:49:07,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2024-11-07 19:49:07,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 220 states have (on average 1.25) internal successors, (275), 223 states have internal predecessors, (275), 16 states have call successors, (16), 7 states have call predecessors, (16), 9 states have return successors, (18), 15 states have call predecessors, (18), 14 states have call successors, (18) [2024-11-07 19:49:07,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 309 transitions. [2024-11-07 19:49:07,384 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 309 transitions. Word has length 68 [2024-11-07 19:49:07,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:49:07,385 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 309 transitions. [2024-11-07 19:49:07,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 19:49:07,385 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 309 transitions. [2024-11-07 19:49:07,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-07 19:49:07,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:49:07,386 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:49:07,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-07 19:49:07,386 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting addfltErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 19:49:07,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:49:07,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1727564822, now seen corresponding path program 1 times [2024-11-07 19:49:07,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:49:07,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088644196] [2024-11-07 19:49:07,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:07,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:49:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:07,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 19:49:07,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:07,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 19:49:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:07,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 19:49:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:07,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 19:49:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:07,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 19:49:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:07,776 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 19:49:07,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:49:07,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088644196] [2024-11-07 19:49:07,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088644196] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:49:07,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181722132] [2024-11-07 19:49:07,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:07,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:49:07,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:49:07,778 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 19:49:07,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-07 19:49:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:07,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-07 19:49:07,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:49:07,899 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 19:49:07,899 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 19:49:07,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181722132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:49:07,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 19:49:07,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 19 [2024-11-07 19:49:07,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985457802] [2024-11-07 19:49:07,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:49:07,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 19:49:07,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:49:07,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 19:49:07,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2024-11-07 19:49:07,901 INFO L87 Difference]: Start difference. First operand 246 states and 309 transitions. Second operand has 10 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-07 19:49:08,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:49:08,002 INFO L93 Difference]: Finished difference Result 394 states and 494 transitions. [2024-11-07 19:49:08,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 19:49:08,002 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 68 [2024-11-07 19:49:08,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:49:08,003 INFO L225 Difference]: With dead ends: 394 [2024-11-07 19:49:08,003 INFO L226 Difference]: Without dead ends: 323 [2024-11-07 19:49:08,004 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 75 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2024-11-07 19:49:08,005 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 62 mSDsluCounter, 844 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 953 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:49:08,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 953 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:49:08,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-07 19:49:08,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 313. [2024-11-07 19:49:08,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 279 states have (on average 1.2437275985663083) internal successors, (347), 283 states have internal predecessors, (347), 22 states have call successors, (22), 8 states have call predecessors, (22), 11 states have return successors, (25), 21 states have call predecessors, (25), 19 states have call successors, (25) [2024-11-07 19:49:08,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 394 transitions. [2024-11-07 19:49:08,021 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 394 transitions. Word has length 68 [2024-11-07 19:49:08,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:49:08,021 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 394 transitions. [2024-11-07 19:49:08,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-07 19:49:08,021 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 394 transitions. [2024-11-07 19:49:08,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-07 19:49:08,022 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:49:08,022 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:49:08,034 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-07 19:49:08,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-07 19:49:08,227 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting addfltErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 19:49:08,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:49:08,227 INFO L85 PathProgramCache]: Analyzing trace with hash 883559320, now seen corresponding path program 1 times [2024-11-07 19:49:08,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:49:08,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142711593] [2024-11-07 19:49:08,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:49:08,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:49:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:08,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 19:49:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:08,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 19:49:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:08,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 19:49:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:08,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 19:49:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:08,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 19:49:08,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:49:08,424 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 19:49:08,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:49:08,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142711593] [2024-11-07 19:49:08,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142711593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:49:08,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:49:08,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 19:49:08,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9864996] [2024-11-07 19:49:08,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:49:08,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 19:49:08,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:49:08,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 19:49:08,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-07 19:49:08,426 INFO L87 Difference]: Start difference. First operand 313 states and 394 transitions. Second operand has 11 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-07 19:49:08,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:49:08,596 INFO L93 Difference]: Finished difference Result 475 states and 601 transitions. [2024-11-07 19:49:08,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 19:49:08,597 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 68 [2024-11-07 19:49:08,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:49:08,597 INFO L225 Difference]: With dead ends: 475 [2024-11-07 19:49:08,597 INFO L226 Difference]: Without dead ends: 0 [2024-11-07 19:49:08,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2024-11-07 19:49:08,598 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 118 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:49:08,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 917 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:49:08,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-07 19:49:08,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-07 19:49:08,599 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 19:49:08,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-07 19:49:08,599 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2024-11-07 19:49:08,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:49:08,599 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-07 19:49:08,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-07 19:49:08,599 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-07 19:49:08,599 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-07 19:49:08,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2024-11-07 19:49:08,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2024-11-07 19:49:08,603 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2024-11-07 19:49:08,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2024-11-07 19:49:08,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2024-11-07 19:49:08,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2024-11-07 19:49:08,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location addfltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2024-11-07 19:49:08,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location addfltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2024-11-07 19:49:08,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location addfltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2024-11-07 19:49:08,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location addfltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2024-11-07 19:49:08,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location addfltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2024-11-07 19:49:08,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location addfltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2024-11-07 19:49:08,604 INFO L782 garLoopResultBuilder]: Registering result SAFE for location addfltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2024-11-07 19:49:08,605 INFO L782 garLoopResultBuilder]: Registering result SAFE for location addfltErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2024-11-07 19:49:08,605 INFO L782 garLoopResultBuilder]: Registering result SAFE for location addfltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2024-11-07 19:49:08,605 INFO L782 garLoopResultBuilder]: Registering result SAFE for location addfltErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2024-11-07 19:49:08,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-07 19:49:08,607 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:49:08,608 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-07 19:49:09,234 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 19:49:09,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:49:09 BoogieIcfgContainer [2024-11-07 19:49:09,246 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 19:49:09,247 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 19:49:09,247 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 19:49:09,247 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 19:49:09,247 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:49:00" (3/4) ... [2024-11-07 19:49:09,249 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 19:49:09,252 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure base2flt [2024-11-07 19:49:09,252 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure addflt [2024-11-07 19:49:09,252 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-07 19:49:09,255 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2024-11-07 19:49:09,256 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-07 19:49:09,256 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-07 19:49:09,256 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-07 19:49:09,274 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(e) <= 127) && (0 <= ((long long) 128 + \old(e)))) && ((0 <= (2147483649 + e)) || (\old(e) != 0))) && (e <= 127)) [2024-11-07 19:49:09,274 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(e) <= 127) && (0 <= ((long long) 128 + \old(e)))) && (0 <= ((long long) 128 + e))) && (e <= 127)) [2024-11-07 19:49:09,285 WARN L140 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(e) <= 127) && (0 <= ((long long) 128 + \old(e)))) && ((0 <= (2147483649 + e)) || (\old(e) != 0))) && (e <= 127)) [2024-11-07 19:49:09,285 WARN L140 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(e) <= 127) && (0 <= ((long long) 128 + \old(e)))) && (0 <= ((long long) 128 + e))) && (e <= 127)) [2024-11-07 19:49:09,309 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 19:49:09,309 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 19:49:09,309 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 19:49:09,310 INFO L158 Benchmark]: Toolchain (without parser) took 9634.94ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 93.6MB in the beginning and 66.9MB in the end (delta: 26.7MB). Peak memory consumption was 80.6MB. Max. memory is 16.1GB. [2024-11-07 19:49:09,310 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 83.9MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:49:09,310 INFO L158 Benchmark]: CACSL2BoogieTranslator took 181.72ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 80.2MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 19:49:09,310 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.47ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 78.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:49:09,311 INFO L158 Benchmark]: Boogie Preprocessor took 25.17ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:49:09,311 INFO L158 Benchmark]: RCFGBuilder took 457.24ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 55.9MB in the end (delta: 21.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 19:49:09,311 INFO L158 Benchmark]: TraceAbstraction took 8884.08ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 55.4MB in the beginning and 73.4MB in the end (delta: -18.0MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. [2024-11-07 19:49:09,311 INFO L158 Benchmark]: Witness Printer took 62.86ms. Allocated memory is still 176.2MB. Free memory was 73.4MB in the beginning and 66.9MB in the end (delta: 6.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:49:09,312 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 83.9MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 181.72ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 80.2MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.47ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 78.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.17ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 457.24ms. Allocated memory is still 117.4MB. Free memory was 77.2MB in the beginning and 55.9MB in the end (delta: 21.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8884.08ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 55.4MB in the beginning and 73.4MB in the end (delta: -18.0MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. * Witness Printer took 62.86ms. Allocated memory is still 176.2MB. Free memory was 73.4MB in the beginning and 66.9MB in the end (delta: 6.5MB). 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: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 110]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 110]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 113]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 113]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 116]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 116]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 134]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 134]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 142]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 142]: 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 4 procedures, 109 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 8.2s, OverallIterations: 23, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 937 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 903 mSDsluCounter, 11372 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8886 mSDsCounter, 68 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1609 IncrementalHoareTripleChecker+Invalid, 1677 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 68 mSolverCounterUnsat, 2486 mSDtfsCounter, 1609 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 932 GetRequests, 765 SyntacticMatches, 4 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=313occurred in iteration=22, InterpolantAutomatonStates: 141, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 23 MinimizatonAttempts, 335 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 1454 NumberOfCodeBlocks, 1436 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1528 ConstructedInterpolants, 0 QuantifiedInterpolants, 2769 SizeOfPredicates, 8 NumberOfNonLiveVariables, 1480 ConjunctsInSsa, 131 ConjunctsInUnsatCore, 36 InterpolantComputations, 21 PerfectInterpolantSequences, 453/499 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 16 specifications checked. All of them hold - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: ((((\old(e) <= 127) && (0 <= ((long long) 128 + \old(e)))) && ((0 <= (2147483649 + e)) || (\old(e) != 0))) && (e <= 127)) - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: ((((\old(e) <= 127) && (0 <= ((long long) 128 + \old(e)))) && (0 <= ((long long) 128 + e))) && (e <= 127)) - ProcedureContractResult [Line: 25]: Procedure Contract for base2flt Derived contract for procedure base2flt. Requires: ((e <= 127) && (0 <= ((long long) 128 + e))) Ensures: ((e <= 127) && (0 <= ((long long) 128 + e))) - ProcedureContractResult [Line: 16]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-11-07 19:49:09,330 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE