./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/geo2-ll2_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/nla-digbench-scaling/geo2-ll2_valuebound50.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', '5a6a849c67042a7f19e24482aaf2265ac4440f1948afd354bf5dc3abb8c419d2'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/geo2-ll2_valuebound50.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 5a6a849c67042a7f19e24482aaf2265ac4440f1948afd354bf5dc3abb8c419d2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 20:33:45,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 20:33:45,359 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 20:33:45,364 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 20:33:45,366 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 20:33:45,392 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 20:33:45,394 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 20:33:45,394 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 20:33:45,395 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 20:33:45,395 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 20:33:45,396 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 20:33:45,396 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 20:33:45,397 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 20:33:45,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 20:33:45,397 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 20:33:45,397 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 20:33:45,397 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 20:33:45,397 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 20:33:45,397 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 20:33:45,397 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 20:33:45,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 20:33:45,397 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 20:33:45,397 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 20:33:45,397 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 20:33:45,397 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 20:33:45,397 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 20:33:45,398 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 20:33:45,398 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 20:33:45,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 20:33:45,398 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 20:33:45,398 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 20:33:45,398 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 20:33:45,398 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 20:33:45,399 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 20:33:45,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:33:45,400 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 20:33:45,400 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 20:33:45,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 20:33:45,400 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 20:33:45,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 20:33:45,400 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 20:33:45,400 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 20:33:45,401 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 20:33:45,401 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 20:33:45,401 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 -> 5a6a849c67042a7f19e24482aaf2265ac4440f1948afd354bf5dc3abb8c419d2 [2024-11-07 20:33:45,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 20:33:45,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 20:33:45,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 20:33:45,669 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 20:33:45,669 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 20:33:45,672 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/geo2-ll2_valuebound50.c [2024-11-07 20:33:46,976 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 20:33:47,201 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 20:33:47,202 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo2-ll2_valuebound50.c [2024-11-07 20:33:47,208 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6fa67c83d/dd51e501b2774efcb26cf68e94f31bd0/FLAG3ceaa3d6c [2024-11-07 20:33:47,228 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6fa67c83d/dd51e501b2774efcb26cf68e94f31bd0 [2024-11-07 20:33:47,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 20:33:47,232 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 20:33:47,234 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 20:33:47,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 20:33:47,241 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 20:33:47,242 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:33:47" (1/1) ... [2024-11-07 20:33:47,242 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f74e00e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:33:47, skipping insertion in model container [2024-11-07 20:33:47,242 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:33:47" (1/1) ... [2024-11-07 20:33:47,257 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 20:33:47,399 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:33:47,409 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 20:33:47,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:33:47,440 INFO L204 MainTranslator]: Completed translation [2024-11-07 20:33:47,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:33:47 WrapperNode [2024-11-07 20:33:47,441 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 20:33:47,442 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 20:33:47,442 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 20:33:47,442 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 20:33:47,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:33:47" (1/1) ... [2024-11-07 20:33:47,453 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:33:47" (1/1) ... [2024-11-07 20:33:47,467 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2024-11-07 20:33:47,469 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 20:33:47,469 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 20:33:47,469 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 20:33:47,469 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 20:33:47,476 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:33:47" (1/1) ... [2024-11-07 20:33:47,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:33:47" (1/1) ... [2024-11-07 20:33:47,478 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:33:47" (1/1) ... [2024-11-07 20:33:47,495 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 20:33:47,496 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:33:47" (1/1) ... [2024-11-07 20:33:47,496 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:33:47" (1/1) ... [2024-11-07 20:33:47,498 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:33:47" (1/1) ... [2024-11-07 20:33:47,500 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:33:47" (1/1) ... [2024-11-07 20:33:47,504 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:33:47" (1/1) ... [2024-11-07 20:33:47,504 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:33:47" (1/1) ... [2024-11-07 20:33:47,506 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 20:33:47,509 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 20:33:47,509 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 20:33:47,509 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 20:33:47,510 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:33:47" (1/1) ... [2024-11-07 20:33:47,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:33:47,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:33:47,541 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 20:33:47,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 20:33:47,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 20:33:47,566 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 20:33:47,566 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 20:33:47,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 20:33:47,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 20:33:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 20:33:47,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 20:33:47,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 20:33:47,625 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 20:33:47,628 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 20:33:47,995 INFO L? ?]: Removed 65 outVars from TransFormulas that were not future-live. [2024-11-07 20:33:47,995 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 20:33:48,008 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 20:33:48,009 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 20:33:48,009 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:33:48 BoogieIcfgContainer [2024-11-07 20:33:48,009 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 20:33:48,011 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 20:33:48,011 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 20:33:48,015 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 20:33:48,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:33:47" (1/3) ... [2024-11-07 20:33:48,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3859397f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:33:48, skipping insertion in model container [2024-11-07 20:33:48,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:33:47" (2/3) ... [2024-11-07 20:33:48,017 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3859397f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:33:48, skipping insertion in model container [2024-11-07 20:33:48,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:33:48" (3/3) ... [2024-11-07 20:33:48,018 INFO L112 eAbstractionObserver]: Analyzing ICFG geo2-ll2_valuebound50.c [2024-11-07 20:33:48,030 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 20:33:48,030 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-11-07 20:33:48,081 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 20:33:48,095 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;@543067ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 20:33:48,095 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-07 20:33:48,099 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 45 states have (on average 1.7333333333333334) internal successors, (78), 73 states have internal predecessors, (78), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:33:48,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-07 20:33:48,106 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:33:48,106 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:33:48,106 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-07 20:33:48,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:33:48,112 INFO L85 PathProgramCache]: Analyzing trace with hash 257698101, now seen corresponding path program 1 times [2024-11-07 20:33:48,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:33:48,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353924415] [2024-11-07 20:33:48,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:33:48,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:33:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:33:48,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:33:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:33:48,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:33:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:33:48,269 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:33:48,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:33:48,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353924415] [2024-11-07 20:33:48,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353924415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:33:48,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:33:48,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:33:48,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466135470] [2024-11-07 20:33:48,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:33:48,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 20:33:48,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:33:48,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 20:33:48,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 20:33:48,297 INFO L87 Difference]: Start difference. First operand has 80 states, 45 states have (on average 1.7333333333333334) internal successors, (78), 73 states have internal predecessors, (78), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:33:48,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:33:48,319 INFO L93 Difference]: Finished difference Result 156 states and 171 transitions. [2024-11-07 20:33:48,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 20:33:48,321 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2024-11-07 20:33:48,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:33:48,329 INFO L225 Difference]: With dead ends: 156 [2024-11-07 20:33:48,329 INFO L226 Difference]: Without dead ends: 73 [2024-11-07 20:33:48,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 20:33:48,336 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:33:48,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:33:48,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-07 20:33:48,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-07 20:33:48,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 40 states have (on average 1.7) internal successors, (68), 67 states have internal predecessors, (68), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:33:48,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 74 transitions. [2024-11-07 20:33:48,397 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 74 transitions. Word has length 16 [2024-11-07 20:33:48,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:33:48,397 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 74 transitions. [2024-11-07 20:33:48,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:33:48,397 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2024-11-07 20:33:48,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-07 20:33:48,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:33:48,400 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:33:48,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 20:33:48,400 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-07 20:33:48,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:33:48,401 INFO L85 PathProgramCache]: Analyzing trace with hash 573120432, now seen corresponding path program 1 times [2024-11-07 20:33:48,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:33:48,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591858812] [2024-11-07 20:33:48,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:33:48,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:33:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:33:48,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2303010] [2024-11-07 20:33:48,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:33:48,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:33:48,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:33:48,435 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:33:48,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 20:33:48,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:33:48,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:33:48,497 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:33:48,566 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:33:48,567 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:33:48,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:33:48,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591858812] [2024-11-07 20:33:48,568 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:33:48,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2303010] [2024-11-07 20:33:48,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2303010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:33:48,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:33:48,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:33:48,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563550328] [2024-11-07 20:33:48,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:33:48,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:33:48,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:33:48,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:33:48,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:33:48,570 INFO L87 Difference]: Start difference. First operand 73 states and 74 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:33:49,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:33:49,062 INFO L93 Difference]: Finished difference Result 112 states and 130 transitions. [2024-11-07 20:33:49,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:33:49,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2024-11-07 20:33:49,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:33:49,064 INFO L225 Difference]: With dead ends: 112 [2024-11-07 20:33:49,064 INFO L226 Difference]: Without dead ends: 104 [2024-11-07 20:33:49,064 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:33:49,065 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 61 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 20:33:49,065 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 51 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 20:33:49,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-07 20:33:49,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 96. [2024-11-07 20:33:49,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 62 states have (on average 1.6612903225806452) internal successors, (103), 89 states have internal predecessors, (103), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:33:49,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 111 transitions. [2024-11-07 20:33:49,074 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 111 transitions. Word has length 16 [2024-11-07 20:33:49,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:33:49,075 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 111 transitions. [2024-11-07 20:33:49,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:33:49,076 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions. [2024-11-07 20:33:49,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-07 20:33:49,076 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:33:49,076 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:33:49,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 20:33:49,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:33:49,277 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-07 20:33:49,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:33:49,277 INFO L85 PathProgramCache]: Analyzing trace with hash 586864257, now seen corresponding path program 1 times [2024-11-07 20:33:49,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:33:49,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79828847] [2024-11-07 20:33:49,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:33:49,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:33:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:33:49,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [394100021] [2024-11-07 20:33:49,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:33:49,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:33:49,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:33:49,301 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:33:49,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 20:33:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:33:49,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:33:49,342 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:33:49,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:33:49,385 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:33:49,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:33:49,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79828847] [2024-11-07 20:33:49,386 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:33:49,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394100021] [2024-11-07 20:33:49,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394100021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:33:49,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:33:49,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:33:49,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883377160] [2024-11-07 20:33:49,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:33:49,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:33:49,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:33:49,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:33:49,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:33:49,388 INFO L87 Difference]: Start difference. First operand 96 states and 111 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:33:49,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:33:49,528 INFO L93 Difference]: Finished difference Result 112 states and 122 transitions. [2024-11-07 20:33:49,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:33:49,528 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2024-11-07 20:33:49,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:33:49,529 INFO L225 Difference]: With dead ends: 112 [2024-11-07 20:33:49,529 INFO L226 Difference]: Without dead ends: 104 [2024-11-07 20:33:49,530 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:33:49,530 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 87 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:33:49,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 41 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:33:49,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-07 20:33:49,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 98. [2024-11-07 20:33:49,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 64 states have (on average 1.546875) internal successors, (99), 91 states have internal predecessors, (99), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:33:49,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 107 transitions. [2024-11-07 20:33:49,538 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 107 transitions. Word has length 17 [2024-11-07 20:33:49,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:33:49,538 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 107 transitions. [2024-11-07 20:33:49,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:33:49,539 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 107 transitions. [2024-11-07 20:33:49,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-07 20:33:49,539 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:33:49,539 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:33:49,555 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 20:33:49,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:33:49,744 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-07 20:33:49,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:33:49,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1251758570, now seen corresponding path program 1 times [2024-11-07 20:33:49,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:33:49,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109730054] [2024-11-07 20:33:49,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:33:49,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:33:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:33:49,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [704655010] [2024-11-07 20:33:49,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:33:49,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:33:49,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:33:49,763 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:33:49,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 20:33:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:33:49,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:33:49,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:33:49,875 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:33:49,875 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:33:49,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:33:49,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109730054] [2024-11-07 20:33:49,876 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:33:49,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704655010] [2024-11-07 20:33:49,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704655010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:33:49,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:33:49,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:33:49,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631388101] [2024-11-07 20:33:49,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:33:49,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:33:49,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:33:49,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:33:49,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:33:49,878 INFO L87 Difference]: Start difference. First operand 98 states and 107 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:33:50,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:33:50,239 INFO L93 Difference]: Finished difference Result 109 states and 118 transitions. [2024-11-07 20:33:50,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:33:50,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-11-07 20:33:50,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:33:50,241 INFO L225 Difference]: With dead ends: 109 [2024-11-07 20:33:50,241 INFO L226 Difference]: Without dead ends: 106 [2024-11-07 20:33:50,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:33:50,244 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 57 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:33:50,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 51 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:33:50,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-07 20:33:50,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 100. [2024-11-07 20:33:50,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 66 states have (on average 1.5151515151515151) internal successors, (100), 93 states have internal predecessors, (100), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:33:50,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 108 transitions. [2024-11-07 20:33:50,257 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 108 transitions. Word has length 22 [2024-11-07 20:33:50,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:33:50,257 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 108 transitions. [2024-11-07 20:33:50,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:33:50,257 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 108 transitions. [2024-11-07 20:33:50,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-07 20:33:50,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:33:50,258 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:33:50,271 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-07 20:33:50,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:33:50,458 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-07 20:33:50,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:33:50,459 INFO L85 PathProgramCache]: Analyzing trace with hash -149809945, now seen corresponding path program 1 times [2024-11-07 20:33:50,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:33:50,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051031457] [2024-11-07 20:33:50,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:33:50,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:33:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:33:50,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1840452968] [2024-11-07 20:33:50,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:33:50,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:33:50,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:33:50,476 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:33:50,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-07 20:33:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:33:50,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:33:50,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:33:50,594 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:33:50,595 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:33:50,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:33:50,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051031457] [2024-11-07 20:33:50,595 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:33:50,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1840452968] [2024-11-07 20:33:50,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1840452968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:33:50,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:33:50,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:33:50,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143378055] [2024-11-07 20:33:50,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:33:50,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:33:50,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:33:50,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:33:50,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:33:50,596 INFO L87 Difference]: Start difference. First operand 100 states and 108 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:33:50,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:33:50,743 INFO L93 Difference]: Finished difference Result 109 states and 115 transitions. [2024-11-07 20:33:50,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:33:50,744 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-11-07 20:33:50,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:33:50,745 INFO L225 Difference]: With dead ends: 109 [2024-11-07 20:33:50,745 INFO L226 Difference]: Without dead ends: 106 [2024-11-07 20:33:50,745 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:33:50,746 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 56 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:33:50,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 51 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:33:50,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-07 20:33:50,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 102. [2024-11-07 20:33:50,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 68 states have (on average 1.4852941176470589) internal successors, (101), 95 states have internal predecessors, (101), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:33:50,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 109 transitions. [2024-11-07 20:33:50,760 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 109 transitions. Word has length 23 [2024-11-07 20:33:50,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:33:50,760 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 109 transitions. [2024-11-07 20:33:50,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:33:50,760 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 109 transitions. [2024-11-07 20:33:50,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-07 20:33:50,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:33:50,760 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:33:50,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-07 20:33:50,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:33:50,961 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-07 20:33:50,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:33:50,962 INFO L85 PathProgramCache]: Analyzing trace with hash -349140936, now seen corresponding path program 1 times [2024-11-07 20:33:50,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:33:50,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797893315] [2024-11-07 20:33:50,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:33:50,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:33:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:33:50,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [900259636] [2024-11-07 20:33:50,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:33:50,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:33:50,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:33:50,980 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:33:50,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-07 20:33:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:33:51,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:33:51,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:33:51,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:33:51,072 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:33:51,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:33:51,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797893315] [2024-11-07 20:33:51,072 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:33:51,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900259636] [2024-11-07 20:33:51,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900259636] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:33:51,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:33:51,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:33:51,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690270635] [2024-11-07 20:33:51,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:33:51,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:33:51,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:33:51,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:33:51,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:33:51,074 INFO L87 Difference]: Start difference. First operand 102 states and 109 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:33:51,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:33:51,439 INFO L93 Difference]: Finished difference Result 110 states and 112 transitions. [2024-11-07 20:33:51,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:33:51,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2024-11-07 20:33:51,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:33:51,441 INFO L225 Difference]: With dead ends: 110 [2024-11-07 20:33:51,441 INFO L226 Difference]: Without dead ends: 96 [2024-11-07 20:33:51,442 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:33:51,442 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 20 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:33:51,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 72 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:33:51,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-07 20:33:51,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 94. [2024-11-07 20:33:51,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 60 states have (on average 1.5) internal successors, (90), 87 states have internal predecessors, (90), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:33:51,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 98 transitions. [2024-11-07 20:33:51,450 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 98 transitions. Word has length 24 [2024-11-07 20:33:51,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:33:51,450 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 98 transitions. [2024-11-07 20:33:51,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:33:51,450 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 98 transitions. [2024-11-07 20:33:51,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-07 20:33:51,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:33:51,450 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:33:51,462 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-07 20:33:51,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:33:51,651 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-07 20:33:51,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:33:51,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1369425996, now seen corresponding path program 1 times [2024-11-07 20:33:51,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:33:51,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389780632] [2024-11-07 20:33:51,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:33:51,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:33:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:33:51,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:33:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:33:51,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:33:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:33:51,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 20:33:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:33:51,771 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:33:51,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:33:51,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389780632] [2024-11-07 20:33:51,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389780632] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:33:51,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:33:51,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:33:51,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902964288] [2024-11-07 20:33:51,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:33:51,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:33:51,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:33:51,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:33:51,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:33:51,773 INFO L87 Difference]: Start difference. First operand 94 states and 98 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 20:33:51,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:33:51,790 INFO L93 Difference]: Finished difference Result 96 states and 98 transitions. [2024-11-07 20:33:51,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:33:51,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32 [2024-11-07 20:33:51,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:33:51,792 INFO L225 Difference]: With dead ends: 96 [2024-11-07 20:33:51,792 INFO L226 Difference]: Without dead ends: 94 [2024-11-07 20:33:51,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:33:51,793 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 1 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:33:51,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 137 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:33:51,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-07 20:33:51,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-07 20:33:51,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 60 states have (on average 1.4666666666666666) internal successors, (88), 87 states have internal predecessors, (88), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:33:51,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 96 transitions. [2024-11-07 20:33:51,799 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 96 transitions. Word has length 32 [2024-11-07 20:33:51,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:33:51,799 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 96 transitions. [2024-11-07 20:33:51,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 20:33:51,800 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 96 transitions. [2024-11-07 20:33:51,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-07 20:33:51,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:33:51,801 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-07 20:33:51,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 20:33:51,801 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-07 20:33:51,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:33:51,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1722377953, now seen corresponding path program 1 times [2024-11-07 20:33:51,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:33:51,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786486279] [2024-11-07 20:33:51,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:33:51,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:33:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:33:51,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1622643693] [2024-11-07 20:33:51,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:33:51,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:33:51,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:33:51,822 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:33:51,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-07 20:33:51,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:33:51,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:33:51,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:33:52,051 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 20:33:52,052 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:33:52,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:33:52,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786486279] [2024-11-07 20:33:52,372 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:33:52,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1622643693] [2024-11-07 20:33:52,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1622643693] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:33:52,372 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:33:52,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-07 20:33:52,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748857924] [2024-11-07 20:33:52,373 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:33:52,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:33:52,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:33:52,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:33:52,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:33:52,374 INFO L87 Difference]: Start difference. First operand 94 states and 96 transitions. Second operand has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:33:52,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:33:52,570 INFO L93 Difference]: Finished difference Result 94 states and 96 transitions. [2024-11-07 20:33:52,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:33:52,571 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 41 [2024-11-07 20:33:52,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:33:52,571 INFO L225 Difference]: With dead ends: 94 [2024-11-07 20:33:52,571 INFO L226 Difference]: Without dead ends: 88 [2024-11-07 20:33:52,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:33:52,572 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 57 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:33:52,572 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 94 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:33:52,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-07 20:33:52,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-07 20:33:52,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 60 states have (on average 1.3666666666666667) internal successors, (82), 81 states have internal predecessors, (82), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:33:52,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 90 transitions. [2024-11-07 20:33:52,582 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 90 transitions. Word has length 41 [2024-11-07 20:33:52,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:33:52,583 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 90 transitions. [2024-11-07 20:33:52,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:33:52,583 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 90 transitions. [2024-11-07 20:33:52,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-07 20:33:52,585 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:33:52,585 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:33:52,601 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-07 20:33:52,785 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,SelfDestructingSolverStorable7 [2024-11-07 20:33:52,786 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-07 20:33:52,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:33:52,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1854108942, now seen corresponding path program 1 times [2024-11-07 20:33:52,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:33:52,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587245701] [2024-11-07 20:33:52,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:33:52,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:33:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:33:52,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [844852424] [2024-11-07 20:33:52,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:33:52,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:33:52,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:33:52,806 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:33:52,809 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-07 20:33:52,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:33:52,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-07 20:33:52,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:33:53,080 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 20:33:53,080 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:33:54,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:33:54,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587245701] [2024-11-07 20:33:54,172 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:33:54,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [844852424] [2024-11-07 20:33:54,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [844852424] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:33:54,172 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:33:54,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-07 20:33:54,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953962861] [2024-11-07 20:33:54,172 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:33:54,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 20:33:54,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:33:54,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 20:33:54,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:33:54,173 INFO L87 Difference]: Start difference. First operand 88 states and 90 transitions. Second operand has 9 states, 8 states have (on average 4.5) internal successors, (36), 9 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:33:54,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:33:54,627 INFO L93 Difference]: Finished difference Result 125 states and 140 transitions. [2024-11-07 20:33:54,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 20:33:54,627 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.5) internal successors, (36), 9 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 42 [2024-11-07 20:33:54,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:33:54,628 INFO L225 Difference]: With dead ends: 125 [2024-11-07 20:33:54,628 INFO L226 Difference]: Without dead ends: 119 [2024-11-07 20:33:54,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:33:54,629 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 60 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:33:54,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 109 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:33:54,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-07 20:33:54,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 111. [2024-11-07 20:33:54,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 82 states have (on average 1.3780487804878048) internal successors, (113), 103 states have internal predecessors, (113), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 20:33:54,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 123 transitions. [2024-11-07 20:33:54,638 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 123 transitions. Word has length 42 [2024-11-07 20:33:54,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:33:54,638 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 123 transitions. [2024-11-07 20:33:54,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.5) internal successors, (36), 9 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 3 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:33:54,638 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 123 transitions. [2024-11-07 20:33:54,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-07 20:33:54,639 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:33:54,640 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-07 20:33:54,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-07 20:33:54,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:33:54,843 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-07 20:33:54,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:33:54,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1814953443, now seen corresponding path program 1 times [2024-11-07 20:33:54,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:33:54,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827321801] [2024-11-07 20:33:54,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:33:54,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:33:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:33:54,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1833657900] [2024-11-07 20:33:54,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:33:54,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:33:54,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:33:54,871 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:33:54,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-07 20:33:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:33:54,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 20:33:54,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:33:55,024 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:33:55,026 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:33:55,466 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:33:55,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:33:55,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827321801] [2024-11-07 20:33:55,466 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:33:55,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833657900] [2024-11-07 20:33:55,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833657900] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:33:55,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:33:55,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-07 20:33:55,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884350661] [2024-11-07 20:33:55,467 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:33:55,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:33:55,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:33:55,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:33:55,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:33:55,468 INFO L87 Difference]: Start difference. First operand 111 states and 123 transitions. Second operand has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-07 20:33:56,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:33:56,325 INFO L93 Difference]: Finished difference Result 161 states and 201 transitions. [2024-11-07 20:33:56,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:33:56,325 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 45 [2024-11-07 20:33:56,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:33:56,327 INFO L225 Difference]: With dead ends: 161 [2024-11-07 20:33:56,327 INFO L226 Difference]: Without dead ends: 159 [2024-11-07 20:33:56,328 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2024-11-07 20:33:56,328 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 243 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 20:33:56,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 88 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 20:33:56,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-07 20:33:56,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 139. [2024-11-07 20:33:56,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 110 states have (on average 1.4272727272727272) internal successors, (157), 130 states have internal predecessors, (157), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:33:56,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 169 transitions. [2024-11-07 20:33:56,343 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 169 transitions. Word has length 45 [2024-11-07 20:33:56,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:33:56,343 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 169 transitions. [2024-11-07 20:33:56,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-07 20:33:56,343 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 169 transitions. [2024-11-07 20:33:56,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-07 20:33:56,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:33:56,344 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:33:56,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-07 20:33:56,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:33:56,549 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-07 20:33:56,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:33:56,549 INFO L85 PathProgramCache]: Analyzing trace with hash 428981942, now seen corresponding path program 1 times [2024-11-07 20:33:56,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:33:56,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331520719] [2024-11-07 20:33:56,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:33:56,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:33:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:33:56,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [823333239] [2024-11-07 20:33:56,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:33:56,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:33:56,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:33:56,571 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:33:56,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-07 20:33:56,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:33:56,610 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 20:33:56,611 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:33:56,797 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 20:33:56,797 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:33:58,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:33:58,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331520719] [2024-11-07 20:33:58,628 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:33:58,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823333239] [2024-11-07 20:33:58,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823333239] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:33:58,628 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:33:58,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-07 20:33:58,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688170146] [2024-11-07 20:33:58,628 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:33:58,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:33:58,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:33:58,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:33:58,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:33:58,629 INFO L87 Difference]: Start difference. First operand 139 states and 169 transitions. Second operand has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:33:58,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:33:58,855 INFO L93 Difference]: Finished difference Result 139 states and 169 transitions. [2024-11-07 20:33:58,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:33:58,856 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 46 [2024-11-07 20:33:58,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:33:58,857 INFO L225 Difference]: With dead ends: 139 [2024-11-07 20:33:58,857 INFO L226 Difference]: Without dead ends: 133 [2024-11-07 20:33:58,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:33:58,858 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 53 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:33:58,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 100 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:33:58,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-11-07 20:33:58,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 129. [2024-11-07 20:33:58,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 106 states have (on average 1.349056603773585) internal successors, (143), 120 states have internal predecessors, (143), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:33:58,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 155 transitions. [2024-11-07 20:33:58,867 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 155 transitions. Word has length 46 [2024-11-07 20:33:58,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:33:58,867 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 155 transitions. [2024-11-07 20:33:58,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.714285714285714) internal successors, (40), 8 states have internal predecessors, (40), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:33:58,868 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 155 transitions. [2024-11-07 20:33:58,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-07 20:33:58,868 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:33:58,868 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-07 20:33:58,886 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-07 20:33:59,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:33:59,069 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-07 20:33:59,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:33:59,069 INFO L85 PathProgramCache]: Analyzing trace with hash 413538373, now seen corresponding path program 1 times [2024-11-07 20:33:59,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:33:59,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484238294] [2024-11-07 20:33:59,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:33:59,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:33:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:33:59,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1352820564] [2024-11-07 20:33:59,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:33:59,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:33:59,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:33:59,083 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:33:59,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-07 20:33:59,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:33:59,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:33:59,129 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:33:59,299 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 20:33:59,301 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:33:59,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:33:59,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484238294] [2024-11-07 20:33:59,617 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:33:59,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352820564] [2024-11-07 20:33:59,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352820564] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:33:59,617 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:33:59,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-07 20:33:59,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564948970] [2024-11-07 20:33:59,617 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:33:59,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:33:59,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:33:59,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:33:59,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:33:59,618 INFO L87 Difference]: Start difference. First operand 129 states and 155 transitions. Second operand has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:33:59,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:33:59,775 INFO L93 Difference]: Finished difference Result 129 states and 155 transitions. [2024-11-07 20:33:59,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:33:59,776 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 47 [2024-11-07 20:33:59,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:33:59,777 INFO L225 Difference]: With dead ends: 129 [2024-11-07 20:33:59,777 INFO L226 Difference]: Without dead ends: 126 [2024-11-07 20:33:59,777 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:33:59,778 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 49 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:33:59,778 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 94 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:33:59,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-07 20:33:59,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-11-07 20:33:59,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 106 states have (on average 1.2830188679245282) internal successors, (136), 117 states have internal predecessors, (136), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:33:59,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 148 transitions. [2024-11-07 20:33:59,787 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 148 transitions. Word has length 47 [2024-11-07 20:33:59,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:33:59,788 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 148 transitions. [2024-11-07 20:33:59,788 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:33:59,788 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 148 transitions. [2024-11-07 20:33:59,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-07 20:33:59,789 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:33:59,789 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:33:59,806 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-07 20:33:59,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-07 20:33:59,990 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-07 20:33:59,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:33:59,990 INFO L85 PathProgramCache]: Analyzing trace with hash -65212264, now seen corresponding path program 1 times [2024-11-07 20:33:59,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:33:59,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532069966] [2024-11-07 20:33:59,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:33:59,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:34:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:34:00,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [19693300] [2024-11-07 20:34:00,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:34:00,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:34:00,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:34:00,017 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:34:00,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-07 20:34:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:34:00,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 20:34:00,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:34:00,242 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 20:34:00,242 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:34:01,042 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 20:34:01,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:34:01,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532069966] [2024-11-07 20:34:01,043 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:34:01,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19693300] [2024-11-07 20:34:01,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [19693300] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:34:01,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:34:01,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-07 20:34:01,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000543314] [2024-11-07 20:34:01,043 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:34:01,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 20:34:01,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:34:01,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 20:34:01,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:34:01,045 INFO L87 Difference]: Start difference. First operand 126 states and 148 transitions. Second operand has 11 states, 10 states have (on average 7.5) internal successors, (75), 11 states have internal predecessors, (75), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-07 20:34:02,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:34:02,075 INFO L93 Difference]: Finished difference Result 154 states and 176 transitions. [2024-11-07 20:34:02,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:34:02,076 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.5) internal successors, (75), 11 states have internal predecessors, (75), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 48 [2024-11-07 20:34:02,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:34:02,077 INFO L225 Difference]: With dead ends: 154 [2024-11-07 20:34:02,077 INFO L226 Difference]: Without dead ends: 151 [2024-11-07 20:34:02,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-07 20:34:02,077 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 190 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:34:02,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 135 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 20:34:02,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-07 20:34:02,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 127. [2024-11-07 20:34:02,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 109 states have (on average 1.2201834862385321) internal successors, (133), 118 states have internal predecessors, (133), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:34:02,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 145 transitions. [2024-11-07 20:34:02,083 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 145 transitions. Word has length 48 [2024-11-07 20:34:02,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:34:02,083 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 145 transitions. [2024-11-07 20:34:02,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.5) internal successors, (75), 11 states have internal predecessors, (75), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-07 20:34:02,084 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 145 transitions. [2024-11-07 20:34:02,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-07 20:34:02,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:34:02,084 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:34:02,096 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-07 20:34:02,285 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,SelfDestructingSolverStorable12 [2024-11-07 20:34:02,285 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-07 20:34:02,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:34:02,285 INFO L85 PathProgramCache]: Analyzing trace with hash -2021580121, now seen corresponding path program 1 times [2024-11-07 20:34:02,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:34:02,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525047539] [2024-11-07 20:34:02,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:34:02,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:34:02,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:34:02,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [781715922] [2024-11-07 20:34:02,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:34:02,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:34:02,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:34:02,299 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:34:02,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-07 20:34:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:34:02,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:34:02,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:34:02,451 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:34:02,451 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:34:02,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:34:02,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525047539] [2024-11-07 20:34:02,626 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:34:02,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781715922] [2024-11-07 20:34:02,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781715922] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:34:02,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:34:02,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-07 20:34:02,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703531894] [2024-11-07 20:34:02,627 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:34:02,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:34:02,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:34:02,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:34:02,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:34:02,627 INFO L87 Difference]: Start difference. First operand 127 states and 145 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 20:34:02,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:34:02,827 INFO L93 Difference]: Finished difference Result 143 states and 156 transitions. [2024-11-07 20:34:02,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:34:02,828 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49 [2024-11-07 20:34:02,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:34:02,829 INFO L225 Difference]: With dead ends: 143 [2024-11-07 20:34:02,829 INFO L226 Difference]: Without dead ends: 129 [2024-11-07 20:34:02,829 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:34:02,830 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 20 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:34:02,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 104 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:34:02,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-07 20:34:02,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 127. [2024-11-07 20:34:02,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 109 states have (on average 1.1926605504587156) internal successors, (130), 118 states have internal predecessors, (130), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:34:02,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 142 transitions. [2024-11-07 20:34:02,835 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 142 transitions. Word has length 49 [2024-11-07 20:34:02,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:34:02,836 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 142 transitions. [2024-11-07 20:34:02,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 20:34:02,836 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 142 transitions. [2024-11-07 20:34:02,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-07 20:34:02,838 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:34:02,839 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:34:02,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-07 20:34:03,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:34:03,039 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-07 20:34:03,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:34:03,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1864561443, now seen corresponding path program 1 times [2024-11-07 20:34:03,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:34:03,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248868577] [2024-11-07 20:34:03,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:34:03,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:34:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:34:03,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:34:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:34:03,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:34:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:34:03,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 20:34:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:34:03,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 20:34:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:34:03,134 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 20:34:03,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:34:03,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248868577] [2024-11-07 20:34:03,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248868577] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:34:03,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861600966] [2024-11-07 20:34:03,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:34:03,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:34:03,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:34:03,140 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:34:03,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-07 20:34:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:34:03,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:34:03,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:34:03,230 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 20:34:03,230 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:34:03,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861600966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:34:03,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:34:03,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-07 20:34:03,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888862712] [2024-11-07 20:34:03,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:34:03,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:34:03,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:34:03,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:34:03,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:34:03,233 INFO L87 Difference]: Start difference. First operand 127 states and 142 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 20:34:03,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:34:03,251 INFO L93 Difference]: Finished difference Result 127 states and 142 transitions. [2024-11-07 20:34:03,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:34:03,251 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 57 [2024-11-07 20:34:03,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:34:03,252 INFO L225 Difference]: With dead ends: 127 [2024-11-07 20:34:03,252 INFO L226 Difference]: Without dead ends: 126 [2024-11-07 20:34:03,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:34:03,253 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 7 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:34:03,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 124 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:34:03,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-07 20:34:03,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-11-07 20:34:03,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 109 states have (on average 1.165137614678899) internal successors, (127), 117 states have internal predecessors, (127), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:34:03,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 139 transitions. [2024-11-07 20:34:03,262 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 139 transitions. Word has length 57 [2024-11-07 20:34:03,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:34:03,262 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 139 transitions. [2024-11-07 20:34:03,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 20:34:03,262 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 139 transitions. [2024-11-07 20:34:03,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-07 20:34:03,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:34:03,263 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:34:03,275 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-07 20:34:03,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:34:03,463 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-07 20:34:03,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:34:03,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1966829960, now seen corresponding path program 1 times [2024-11-07 20:34:03,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:34:03,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072142885] [2024-11-07 20:34:03,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:34:03,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:34:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:34:03,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:34:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:34:03,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:34:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:34:03,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 20:34:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:34:03,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 20:34:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:34:03,569 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 20:34:03,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:34:03,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072142885] [2024-11-07 20:34:03,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072142885] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:34:03,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907014544] [2024-11-07 20:34:03,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:34:03,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:34:03,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:34:03,574 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:34:03,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-07 20:34:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:34:03,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:34:03,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:34:03,662 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 20:34:03,662 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:34:03,717 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 20:34:03,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907014544] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:34:03,718 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:34:03,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-07 20:34:03,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781499904] [2024-11-07 20:34:03,718 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:34:03,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:34:03,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:34:03,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:34:03,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:34:03,719 INFO L87 Difference]: Start difference. First operand 126 states and 139 transitions. Second operand has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-07 20:34:03,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:34:03,751 INFO L93 Difference]: Finished difference Result 141 states and 150 transitions. [2024-11-07 20:34:03,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:34:03,751 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 58 [2024-11-07 20:34:03,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:34:03,752 INFO L225 Difference]: With dead ends: 141 [2024-11-07 20:34:03,752 INFO L226 Difference]: Without dead ends: 140 [2024-11-07 20:34:03,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:34:03,753 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 14 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:34:03,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 210 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:34:03,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-07 20:34:03,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 132. [2024-11-07 20:34:03,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 114 states have (on average 1.1666666666666667) internal successors, (133), 122 states have internal predecessors, (133), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 20:34:03,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 147 transitions. [2024-11-07 20:34:03,759 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 147 transitions. Word has length 58 [2024-11-07 20:34:03,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:34:03,759 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 147 transitions. [2024-11-07 20:34:03,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.666666666666666) internal successors, (94), 7 states have internal predecessors, (94), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-07 20:34:03,759 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 147 transitions. [2024-11-07 20:34:03,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-07 20:34:03,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:34:03,760 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:34:03,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-07 20:34:03,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-07 20:34:03,961 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-07 20:34:03,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:34:03,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1702561697, now seen corresponding path program 2 times [2024-11-07 20:34:03,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:34:03,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306149933] [2024-11-07 20:34:03,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:34:03,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:34:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:34:03,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1980231922] [2024-11-07 20:34:03,974 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:34:03,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:34:03,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:34:03,978 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:34:03,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-07 20:34:04,025 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:34:04,025 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:34:04,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 20:34:04,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:34:04,238 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-07 20:34:04,239 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:34:04,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:34:04,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306149933] [2024-11-07 20:34:04,714 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:34:04,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980231922] [2024-11-07 20:34:04,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980231922] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:34:04,714 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:34:04,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-07 20:34:04,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486237153] [2024-11-07 20:34:04,715 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:34:04,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:34:04,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:34:04,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:34:04,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:34:04,716 INFO L87 Difference]: Start difference. First operand 132 states and 147 transitions. Second operand has 8 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:34:04,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:34:04,865 INFO L93 Difference]: Finished difference Result 144 states and 158 transitions. [2024-11-07 20:34:04,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:34:04,865 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 67 [2024-11-07 20:34:04,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:34:04,866 INFO L225 Difference]: With dead ends: 144 [2024-11-07 20:34:04,866 INFO L226 Difference]: Without dead ends: 142 [2024-11-07 20:34:04,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:34:04,867 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 57 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:34:04,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 117 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:34:04,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-07 20:34:04,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 132. [2024-11-07 20:34:04,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 114 states have (on average 1.1491228070175439) internal successors, (131), 122 states have internal predecessors, (131), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 20:34:04,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 145 transitions. [2024-11-07 20:34:04,873 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 145 transitions. Word has length 67 [2024-11-07 20:34:04,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:34:04,873 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 145 transitions. [2024-11-07 20:34:04,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.0) internal successors, (56), 8 states have internal predecessors, (56), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:34:04,873 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 145 transitions. [2024-11-07 20:34:04,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-07 20:34:04,873 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:34:04,873 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:34:04,886 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-07 20:34:05,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-07 20:34:05,074 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-07 20:34:05,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:34:05,074 INFO L85 PathProgramCache]: Analyzing trace with hash -294857960, now seen corresponding path program 2 times [2024-11-07 20:34:05,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:34:05,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725937372] [2024-11-07 20:34:05,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:34:05,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:34:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:34:05,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1090585567] [2024-11-07 20:34:05,088 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:34:05,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:34:05,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:34:05,093 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:34:05,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-07 20:34:05,140 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:34:05,140 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:34:05,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 20:34:05,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:34:05,373 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 3 proven. 41 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-07 20:34:05,373 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:34:05,802 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:34:05,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:34:05,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725937372] [2024-11-07 20:34:05,802 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:34:05,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090585567] [2024-11-07 20:34:05,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090585567] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-07 20:34:05,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:34:05,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-07 20:34:05,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141979763] [2024-11-07 20:34:05,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:34:05,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:34:05,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:34:05,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:34:05,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-07 20:34:05,803 INFO L87 Difference]: Start difference. First operand 132 states and 145 transitions. Second operand has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:34:09,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-07 20:34:10,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:34:10,400 INFO L93 Difference]: Finished difference Result 132 states and 145 transitions. [2024-11-07 20:34:10,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:34:10,401 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 74 [2024-11-07 20:34:10,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:34:10,401 INFO L225 Difference]: With dead ends: 132 [2024-11-07 20:34:10,401 INFO L226 Difference]: Without dead ends: 130 [2024-11-07 20:34:10,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-07 20:34:10,402 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 43 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:34:10,402 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 97 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-07 20:34:10,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-07 20:34:10,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2024-11-07 20:34:10,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 114 states have (on average 1.1140350877192982) internal successors, (127), 120 states have internal predecessors, (127), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 20:34:10,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 141 transitions. [2024-11-07 20:34:10,409 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 141 transitions. Word has length 74 [2024-11-07 20:34:10,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:34:10,409 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 141 transitions. [2024-11-07 20:34:10,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:34:10,409 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 141 transitions. [2024-11-07 20:34:10,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-07 20:34:10,410 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:34:10,410 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:34:10,425 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-07 20:34:10,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-07 20:34:10,610 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-07 20:34:10,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:34:10,611 INFO L85 PathProgramCache]: Analyzing trace with hash -550662103, now seen corresponding path program 1 times [2024-11-07 20:34:10,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:34:10,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305636261] [2024-11-07 20:34:10,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:34:10,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:34:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:34:10,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [91105084] [2024-11-07 20:34:10,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:34:10,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:34:10,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:34:10,627 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:34:10,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-07 20:34:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:34:10,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-07 20:34:10,676 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:34:11,252 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 3 proven. 46 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-07 20:34:11,252 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:34:12,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:34:12,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305636261] [2024-11-07 20:34:12,448 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:34:12,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91105084] [2024-11-07 20:34:12,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [91105084] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:34:12,448 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:34:12,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-07 20:34:12,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279075402] [2024-11-07 20:34:12,448 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:34:12,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 20:34:12,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:34:12,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 20:34:12,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2024-11-07 20:34:12,449 INFO L87 Difference]: Start difference. First operand 130 states and 141 transitions. Second operand has 14 states, 13 states have (on average 5.153846153846154) internal successors, (67), 14 states have internal predecessors, (67), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:34:12,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:34:12,902 INFO L93 Difference]: Finished difference Result 144 states and 153 transitions. [2024-11-07 20:34:12,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 20:34:12,902 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.153846153846154) internal successors, (67), 14 states have internal predecessors, (67), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 75 [2024-11-07 20:34:12,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:34:12,903 INFO L225 Difference]: With dead ends: 144 [2024-11-07 20:34:12,903 INFO L226 Difference]: Without dead ends: 132 [2024-11-07 20:34:12,904 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2024-11-07 20:34:12,904 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 87 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:34:12,904 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 228 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:34:12,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-07 20:34:12,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 130. [2024-11-07 20:34:12,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 114 states have (on average 1.0964912280701755) internal successors, (125), 120 states have internal predecessors, (125), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 20:34:12,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 139 transitions. [2024-11-07 20:34:12,912 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 139 transitions. Word has length 75 [2024-11-07 20:34:12,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:34:12,913 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 139 transitions. [2024-11-07 20:34:12,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.153846153846154) internal successors, (67), 14 states have internal predecessors, (67), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:34:12,913 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 139 transitions. [2024-11-07 20:34:12,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-07 20:34:12,913 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:34:12,914 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:34:12,928 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-07 20:34:13,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:34:13,114 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-07 20:34:13,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:34:13,115 INFO L85 PathProgramCache]: Analyzing trace with hash -217063982, now seen corresponding path program 3 times [2024-11-07 20:34:13,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:34:13,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735004668] [2024-11-07 20:34:13,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:34:13,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:34:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:34:13,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [549130815] [2024-11-07 20:34:13,132 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:34:13,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:34:13,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:34:13,134 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:34:13,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-07 20:34:13,506 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-07 20:34:13,506 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:34:13,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-07 20:34:13,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:34:14,072 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 6 proven. 75 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-07 20:34:14,072 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:34:14,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:34:14,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735004668] [2024-11-07 20:34:14,834 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:34:14,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549130815] [2024-11-07 20:34:14,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549130815] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:34:14,835 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:34:14,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-07 20:34:14,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048783256] [2024-11-07 20:34:14,835 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:34:14,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 20:34:14,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:34:14,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 20:34:14,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2024-11-07 20:34:14,836 INFO L87 Difference]: Start difference. First operand 130 states and 139 transitions. Second operand has 14 states, 13 states have (on average 6.076923076923077) internal successors, (79), 14 states have internal predecessors, (79), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 20:34:15,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:34:15,245 INFO L93 Difference]: Finished difference Result 148 states and 155 transitions. [2024-11-07 20:34:15,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 20:34:15,245 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.076923076923077) internal successors, (79), 14 states have internal predecessors, (79), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Word has length 92 [2024-11-07 20:34:15,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:34:15,246 INFO L225 Difference]: With dead ends: 148 [2024-11-07 20:34:15,246 INFO L226 Difference]: Without dead ends: 146 [2024-11-07 20:34:15,247 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2024-11-07 20:34:15,247 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 64 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:34:15,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 208 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 661 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:34:15,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-07 20:34:15,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 130. [2024-11-07 20:34:15,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 114 states have (on average 1.0789473684210527) internal successors, (123), 120 states have internal predecessors, (123), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 20:34:15,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 137 transitions. [2024-11-07 20:34:15,254 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 137 transitions. Word has length 92 [2024-11-07 20:34:15,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:34:15,254 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 137 transitions. [2024-11-07 20:34:15,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.076923076923077) internal successors, (79), 14 states have internal predecessors, (79), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 20:34:15,254 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 137 transitions. [2024-11-07 20:34:15,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-07 20:34:15,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:34:15,255 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:34:15,261 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-07 20:34:15,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:34:15,456 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-07 20:34:15,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:34:15,456 INFO L85 PathProgramCache]: Analyzing trace with hash 782607706, now seen corresponding path program 2 times [2024-11-07 20:34:15,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:34:15,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664163023] [2024-11-07 20:34:15,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:34:15,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:34:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:34:15,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [779225971] [2024-11-07 20:34:15,474 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:34:15,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:34:15,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:34:15,480 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:34:15,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-07 20:34:15,527 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:34:15,527 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:34:15,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 20:34:15,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:34:15,953 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 43 proven. 56 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-07 20:34:15,953 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:34:17,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:34:17,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664163023] [2024-11-07 20:34:17,135 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:34:17,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [779225971] [2024-11-07 20:34:17,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [779225971] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:34:17,135 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:34:17,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-07 20:34:17,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868411257] [2024-11-07 20:34:17,135 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:34:17,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 20:34:17,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:34:17,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 20:34:17,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-07 20:34:17,136 INFO L87 Difference]: Start difference. First operand 130 states and 137 transitions. Second operand has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 20:34:17,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:34:17,923 INFO L93 Difference]: Finished difference Result 130 states and 137 transitions. [2024-11-07 20:34:17,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:34:17,923 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Word has length 100 [2024-11-07 20:34:17,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:34:17,924 INFO L225 Difference]: With dead ends: 130 [2024-11-07 20:34:17,924 INFO L226 Difference]: Without dead ends: 118 [2024-11-07 20:34:17,925 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-07 20:34:17,925 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 60 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 20:34:17,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 169 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 20:34:17,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-07 20:34:17,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-07 20:34:17,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 104 states have (on average 1.0480769230769231) internal successors, (109), 108 states have internal predecessors, (109), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 20:34:17,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 123 transitions. [2024-11-07 20:34:17,934 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 123 transitions. Word has length 100 [2024-11-07 20:34:17,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:34:17,935 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 123 transitions. [2024-11-07 20:34:17,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 20:34:17,935 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 123 transitions. [2024-11-07 20:34:17,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-07 20:34:17,937 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:34:17,937 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:34:17,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-07 20:34:18,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:34:18,138 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-07 20:34:18,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:34:18,138 INFO L85 PathProgramCache]: Analyzing trace with hash 437301441, now seen corresponding path program 4 times [2024-11-07 20:34:18,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:34:18,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122747866] [2024-11-07 20:34:18,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:34:18,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:34:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:34:18,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [117976918] [2024-11-07 20:34:18,158 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-07 20:34:18,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:34:18,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:34:18,161 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:34:18,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-07 20:34:18,238 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-07 20:34:18,238 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:34:18,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-07 20:34:18,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:34:19,290 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 3 proven. 147 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-07 20:34:19,290 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:34:19,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:34:19,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122747866] [2024-11-07 20:34:19,758 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:34:19,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [117976918] [2024-11-07 20:34:19,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [117976918] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:34:19,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:34:19,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-07 20:34:19,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037708669] [2024-11-07 20:34:19,758 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:34:19,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 20:34:19,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:34:19,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 20:34:19,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-11-07 20:34:19,759 INFO L87 Difference]: Start difference. First operand 118 states and 123 transitions. Second operand has 14 states, 13 states have (on average 7.615384615384615) internal successors, (99), 14 states have internal predecessors, (99), 6 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:34:21,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:34:22,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:34:23,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:34:23,106 INFO L93 Difference]: Finished difference Result 148 states and 156 transitions. [2024-11-07 20:34:23,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 20:34:23,107 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.615384615384615) internal successors, (99), 14 states have internal predecessors, (99), 6 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Word has length 117 [2024-11-07 20:34:23,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:34:23,108 INFO L225 Difference]: With dead ends: 148 [2024-11-07 20:34:23,108 INFO L226 Difference]: Without dead ends: 146 [2024-11-07 20:34:23,108 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-11-07 20:34:23,111 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 45 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:34:23,111 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 136 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-07 20:34:23,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-07 20:34:23,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 129. [2024-11-07 20:34:23,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 115 states have (on average 1.0434782608695652) internal successors, (120), 119 states have internal predecessors, (120), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 20:34:23,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 134 transitions. [2024-11-07 20:34:23,119 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 134 transitions. Word has length 117 [2024-11-07 20:34:23,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:34:23,120 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 134 transitions. [2024-11-07 20:34:23,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.615384615384615) internal successors, (99), 14 states have internal predecessors, (99), 6 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:34:23,120 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 134 transitions. [2024-11-07 20:34:23,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-07 20:34:23,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:34:23,121 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:34:23,128 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-07 20:34:23,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:34:23,321 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-07 20:34:23,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:34:23,322 INFO L85 PathProgramCache]: Analyzing trace with hash 1011470772, now seen corresponding path program 2 times [2024-11-07 20:34:23,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:34:23,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840087120] [2024-11-07 20:34:23,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:34:23,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:34:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:34:23,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [767777709] [2024-11-07 20:34:23,341 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:34:23,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:34:23,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:34:23,345 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:34:23,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-07 20:34:23,438 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:34:23,438 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:34:23,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:34:23,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:34:23,856 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 71 proven. 4 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-07 20:34:23,856 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:34:24,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:34:24,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840087120] [2024-11-07 20:34:24,185 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:34:24,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [767777709] [2024-11-07 20:34:24,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [767777709] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:34:24,185 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:34:24,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-07 20:34:24,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902956402] [2024-11-07 20:34:24,185 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:34:24,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:34:24,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:34:24,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:34:24,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:34:24,186 INFO L87 Difference]: Start difference. First operand 129 states and 134 transitions. Second operand has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 20:34:24,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:34:24,638 INFO L93 Difference]: Finished difference Result 129 states and 134 transitions. [2024-11-07 20:34:24,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:34:24,638 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 120 [2024-11-07 20:34:24,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:34:24,639 INFO L225 Difference]: With dead ends: 129 [2024-11-07 20:34:24,639 INFO L226 Difference]: Without dead ends: 128 [2024-11-07 20:34:24,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:34:24,640 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 32 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:34:24,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 69 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:34:24,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-07 20:34:24,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2024-11-07 20:34:24,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 115 states have (on average 1.0347826086956522) internal successors, (119), 118 states have internal predecessors, (119), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 20:34:24,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 133 transitions. [2024-11-07 20:34:24,654 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 133 transitions. Word has length 120 [2024-11-07 20:34:24,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:34:24,654 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 133 transitions. [2024-11-07 20:34:24,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.857142857142857) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 20:34:24,654 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 133 transitions. [2024-11-07 20:34:24,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-07 20:34:24,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:34:24,656 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:34:24,662 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-07 20:34:24,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-07 20:34:24,857 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-07 20:34:24,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:34:24,858 INFO L85 PathProgramCache]: Analyzing trace with hash -764723417, now seen corresponding path program 2 times [2024-11-07 20:34:24,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:34:24,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450331304] [2024-11-07 20:34:24,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:34:24,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:34:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:34:24,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [582411339] [2024-11-07 20:34:24,872 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:34:24,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:34:24,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:34:24,875 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:34:24,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-07 20:34:24,980 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:34:24,980 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:34:24,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-07 20:34:24,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:34:26,334 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 9 proven. 165 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-07 20:34:26,335 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:34:27,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:34:27,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450331304] [2024-11-07 20:34:27,315 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:34:27,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582411339] [2024-11-07 20:34:27,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582411339] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:34:27,315 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:34:27,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2024-11-07 20:34:27,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273537230] [2024-11-07 20:34:27,315 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:34:27,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 20:34:27,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:34:27,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 20:34:27,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2024-11-07 20:34:27,316 INFO L87 Difference]: Start difference. First operand 128 states and 133 transitions. Second operand has 17 states, 16 states have (on average 6.5625) internal successors, (105), 17 states have internal predecessors, (105), 6 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:34:28,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:34:28,696 INFO L93 Difference]: Finished difference Result 148 states and 154 transitions. [2024-11-07 20:34:28,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 20:34:28,697 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 6.5625) internal successors, (105), 17 states have internal predecessors, (105), 6 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Word has length 123 [2024-11-07 20:34:28,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:34:28,698 INFO L225 Difference]: With dead ends: 148 [2024-11-07 20:34:28,698 INFO L226 Difference]: Without dead ends: 147 [2024-11-07 20:34:28,698 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 122 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=104, Invalid=402, Unknown=0, NotChecked=0, Total=506 [2024-11-07 20:34:28,698 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 63 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 938 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 938 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:34:28,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 349 Invalid, 945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 938 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-07 20:34:28,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-07 20:34:28,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 132. [2024-11-07 20:34:28,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 119 states have (on average 1.0336134453781514) internal successors, (123), 122 states have internal predecessors, (123), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 20:34:28,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 137 transitions. [2024-11-07 20:34:28,709 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 137 transitions. Word has length 123 [2024-11-07 20:34:28,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:34:28,709 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 137 transitions. [2024-11-07 20:34:28,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.5625) internal successors, (105), 17 states have internal predecessors, (105), 6 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:34:28,710 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 137 transitions. [2024-11-07 20:34:28,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-07 20:34:28,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:34:28,711 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:34:28,718 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-07 20:34:28,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-07 20:34:28,912 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-07 20:34:28,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:34:28,912 INFO L85 PathProgramCache]: Analyzing trace with hash 473962839, now seen corresponding path program 2 times [2024-11-07 20:34:28,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:34:28,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428402789] [2024-11-07 20:34:28,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:34:28,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:34:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:34:29,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:34:29,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:34:29,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:34:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:34:29,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-07 20:34:29,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:34:29,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 20:34:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:34:29,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-07 20:34:29,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:34:29,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 20:34:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:34:29,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-07 20:34:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:34:29,036 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-07 20:34:29,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:34:29,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428402789] [2024-11-07 20:34:29,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428402789] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:34:29,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049676874] [2024-11-07 20:34:29,036 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:34:29,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:34:29,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:34:29,039 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:34:29,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-07 20:34:29,098 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:34:29,099 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:34:29,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:34:29,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:34:29,180 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-07 20:34:29,180 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:34:29,303 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-11-07 20:34:29,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1049676874] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:34:29,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:34:29,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-07 20:34:29,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829038448] [2024-11-07 20:34:29,303 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:34:29,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:34:29,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:34:29,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:34:29,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:34:29,304 INFO L87 Difference]: Start difference. First operand 132 states and 137 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-07 20:34:29,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:34:29,326 INFO L93 Difference]: Finished difference Result 132 states and 137 transitions. [2024-11-07 20:34:29,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:34:29,327 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 133 [2024-11-07 20:34:29,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:34:29,327 INFO L225 Difference]: With dead ends: 132 [2024-11-07 20:34:29,327 INFO L226 Difference]: Without dead ends: 131 [2024-11-07 20:34:29,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:34:29,328 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 37 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:34:29,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 93 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:34:29,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-07 20:34:29,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2024-11-07 20:34:29,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 119 states have (on average 1.0252100840336134) internal successors, (122), 121 states have internal predecessors, (122), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 20:34:29,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 136 transitions. [2024-11-07 20:34:29,337 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 136 transitions. Word has length 133 [2024-11-07 20:34:29,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:34:29,338 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 136 transitions. [2024-11-07 20:34:29,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-07 20:34:29,338 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 136 transitions. [2024-11-07 20:34:29,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-07 20:34:29,339 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:34:29,339 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:34:29,354 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-07 20:34:29,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-07 20:34:29,539 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-07 20:34:29,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:34:29,540 INFO L85 PathProgramCache]: Analyzing trace with hash -752568142, now seen corresponding path program 5 times [2024-11-07 20:34:29,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:34:29,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207815981] [2024-11-07 20:34:29,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:34:29,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:34:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:34:29,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [300631315] [2024-11-07 20:34:29,558 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-07 20:34:29,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:34:29,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:34:29,560 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:34:29,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-07 20:34:29,627 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-11-07 20:34:29,627 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:34:29,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-07 20:34:29,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:34:40,489 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-07 20:34:40,490 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:34:41,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:34:41,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207815981] [2024-11-07 20:34:41,036 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:34:41,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300631315] [2024-11-07 20:34:41,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300631315] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:34:41,036 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:34:41,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-07 20:34:41,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467301500] [2024-11-07 20:34:41,036 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:34:41,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 20:34:41,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:34:41,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 20:34:41,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=168, Unknown=1, NotChecked=0, Total=240 [2024-11-07 20:34:41,038 INFO L87 Difference]: Start difference. First operand 131 states and 136 transitions. Second operand has 14 states, 13 states have (on average 9.153846153846153) internal successors, (119), 14 states have internal predecessors, (119), 7 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 20:34:42,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:34:56,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:34:58,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:35:02,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:35:05,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:35:09,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:35:13,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:35:16,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:35:20,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:35:24,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]