./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.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/mannadiv_unwindbound20.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', '4a3cef13903dd032b032a92c3e6d07b1ee77361a4ee844998d70fb602ded6daa'] 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/mannadiv_unwindbound20.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 4a3cef13903dd032b032a92c3e6d07b1ee77361a4ee844998d70fb602ded6daa --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 20:39:35,306 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 20:39:35,365 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 20:39:35,372 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 20:39:35,372 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 20:39:35,388 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 20:39:35,389 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 20:39:35,389 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 20:39:35,390 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 20:39:35,390 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 20:39:35,390 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 20:39:35,391 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 20:39:35,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 20:39:35,391 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 20:39:35,391 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 20:39:35,391 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 20:39:35,391 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 20:39:35,391 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 20:39:35,392 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 20:39:35,392 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 20:39:35,392 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 20:39:35,392 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 20:39:35,392 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 20:39:35,392 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 20:39:35,392 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 20:39:35,392 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 20:39:35,392 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 20:39:35,393 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 20:39:35,393 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 20:39:35,393 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 20:39:35,393 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 20:39:35,393 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 20:39:35,393 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 20:39:35,393 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 20:39:35,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:39:35,393 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 20:39:35,393 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 20:39:35,394 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 20:39:35,394 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 20:39:35,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 20:39:35,394 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 20:39:35,394 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 20:39:35,394 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 20:39:35,395 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 20:39:35,395 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 -> 4a3cef13903dd032b032a92c3e6d07b1ee77361a4ee844998d70fb602ded6daa [2024-11-07 20:39:35,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 20:39:35,617 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 20:39:35,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 20:39:35,619 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 20:39:35,619 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 20:39:35,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.c [2024-11-07 20:39:36,722 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 20:39:36,917 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 20:39:36,919 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound20.c [2024-11-07 20:39:36,925 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5db9dac59/23dabc398e9a4f1384b7c27155f5dbba/FLAGa64eaadf5 [2024-11-07 20:39:37,289 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5db9dac59/23dabc398e9a4f1384b7c27155f5dbba [2024-11-07 20:39:37,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 20:39:37,292 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 20:39:37,292 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 20:39:37,293 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 20:39:37,295 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 20:39:37,295 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:39:37" (1/1) ... [2024-11-07 20:39:37,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@336f60fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:39:37, skipping insertion in model container [2024-11-07 20:39:37,296 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:39:37" (1/1) ... [2024-11-07 20:39:37,305 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 20:39:37,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:39:37,404 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 20:39:37,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:39:37,426 INFO L204 MainTranslator]: Completed translation [2024-11-07 20:39:37,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:39:37 WrapperNode [2024-11-07 20:39:37,427 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 20:39:37,428 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 20:39:37,428 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 20:39:37,428 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 20:39:37,432 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:39:37" (1/1) ... [2024-11-07 20:39:37,435 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:39:37" (1/1) ... [2024-11-07 20:39:37,445 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2024-11-07 20:39:37,445 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 20:39:37,446 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 20:39:37,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 20:39:37,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 20:39:37,451 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:39:37" (1/1) ... [2024-11-07 20:39:37,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:39:37" (1/1) ... [2024-11-07 20:39:37,456 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:39:37" (1/1) ... [2024-11-07 20:39:37,466 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 20:39:37,466 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:39:37" (1/1) ... [2024-11-07 20:39:37,466 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:39:37" (1/1) ... [2024-11-07 20:39:37,468 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:39:37" (1/1) ... [2024-11-07 20:39:37,470 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:39:37" (1/1) ... [2024-11-07 20:39:37,470 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:39:37" (1/1) ... [2024-11-07 20:39:37,471 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:39:37" (1/1) ... [2024-11-07 20:39:37,472 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 20:39:37,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 20:39:37,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 20:39:37,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 20:39:37,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:39:37" (1/1) ... [2024-11-07 20:39:37,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:39:37,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:37,495 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 20:39:37,496 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 20:39:37,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 20:39:37,511 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 20:39:37,511 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 20:39:37,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 20:39:37,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 20:39:37,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 20:39:37,511 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 20:39:37,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 20:39:37,551 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 20:39:37,552 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 20:39:37,684 INFO L? ?]: Removed 47 outVars from TransFormulas that were not future-live. [2024-11-07 20:39:37,684 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 20:39:37,693 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 20:39:37,694 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 20:39:37,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:39:37 BoogieIcfgContainer [2024-11-07 20:39:37,694 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 20:39:37,696 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 20:39:37,696 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 20:39:37,699 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 20:39:37,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:39:37" (1/3) ... [2024-11-07 20:39:37,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b373d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:39:37, skipping insertion in model container [2024-11-07 20:39:37,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:39:37" (2/3) ... [2024-11-07 20:39:37,700 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b373d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:39:37, skipping insertion in model container [2024-11-07 20:39:37,700 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:39:37" (3/3) ... [2024-11-07 20:39:37,701 INFO L112 eAbstractionObserver]: Analyzing ICFG mannadiv_unwindbound20.c [2024-11-07 20:39:37,710 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 20:39:37,710 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-11-07 20:39:37,742 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 20:39:37,752 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;@200fd879, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 20:39:37,753 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-07 20:39:37,756 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 40 states have (on average 1.7) internal successors, (68), 62 states have internal predecessors, (68), 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 20:39:37,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-07 20:39:37,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:37,761 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:39:37,762 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:39:37,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:37,766 INFO L85 PathProgramCache]: Analyzing trace with hash -2141166240, now seen corresponding path program 1 times [2024-11-07 20:39:37,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:37,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209021016] [2024-11-07 20:39:37,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:37,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:37,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:37,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:37,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:37,878 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 20:39:37,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:37,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209021016] [2024-11-07 20:39:37,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209021016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:39:37,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:39:37,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:39:37,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983204200] [2024-11-07 20:39:37,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:39:37,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 20:39:37,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:37,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 20:39:37,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 20:39:37,900 INFO L87 Difference]: Start difference. First operand has 69 states, 40 states have (on average 1.7) internal successors, (68), 62 states have internal predecessors, (68), 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 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 20:39:37,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:37,913 INFO L93 Difference]: Finished difference Result 134 states and 151 transitions. [2024-11-07 20:39:37,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 20:39:37,914 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 15 [2024-11-07 20:39:37,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:37,917 INFO L225 Difference]: With dead ends: 134 [2024-11-07 20:39:37,917 INFO L226 Difference]: Without dead ends: 62 [2024-11-07 20:39:37,919 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 20:39:37,921 INFO L432 NwaCegarLoop]: 72 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, 72 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 20:39:37,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:39:37,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-07 20:39:37,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-07 20:39:37,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 35 states have (on average 1.6857142857142857) internal successors, (59), 56 states have internal predecessors, (59), 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 20:39:37,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2024-11-07 20:39:37,948 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 15 [2024-11-07 20:39:37,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:37,949 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2024-11-07 20:39:37,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 20:39:37,949 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2024-11-07 20:39:37,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-07 20:39:37,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:37,950 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:39:37,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 20:39:37,952 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:39:37,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:37,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1382845121, now seen corresponding path program 1 times [2024-11-07 20:39:37,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:37,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479543385] [2024-11-07 20:39:37,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:37,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,044 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 20:39:38,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:38,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479543385] [2024-11-07 20:39:38,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479543385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:39:38,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:39:38,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:39:38,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225978271] [2024-11-07 20:39:38,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:39:38,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:39:38,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:38,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:39:38,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:39:38,048 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 20:39:38,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:38,086 INFO L93 Difference]: Finished difference Result 62 states and 65 transitions. [2024-11-07 20:39:38,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:39:38,086 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 15 [2024-11-07 20:39:38,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:38,087 INFO L225 Difference]: With dead ends: 62 [2024-11-07 20:39:38,087 INFO L226 Difference]: Without dead ends: 61 [2024-11-07 20:39:38,087 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 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 20:39:38,088 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 60 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 115 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 20:39:38,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 115 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:39:38,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-07 20:39:38,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-07 20:39:38,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 35 states have (on average 1.6571428571428573) internal successors, (58), 55 states have internal predecessors, (58), 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 20:39:38,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 64 transitions. [2024-11-07 20:39:38,093 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 64 transitions. Word has length 15 [2024-11-07 20:39:38,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:38,093 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 64 transitions. [2024-11-07 20:39:38,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 20:39:38,094 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2024-11-07 20:39:38,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-07 20:39:38,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:38,094 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:39:38,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 20:39:38,094 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:39:38,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:38,094 INFO L85 PathProgramCache]: Analyzing trace with hash 81474253, now seen corresponding path program 1 times [2024-11-07 20:39:38,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:38,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324314000] [2024-11-07 20:39:38,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:38,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:38,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,161 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 20:39:38,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:38,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324314000] [2024-11-07 20:39:38,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324314000] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:39:38,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:39:38,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:39:38,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098403946] [2024-11-07 20:39:38,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:39:38,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:39:38,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:38,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:39:38,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:39:38,164 INFO L87 Difference]: Start difference. First operand 61 states and 64 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 20:39:38,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:38,204 INFO L93 Difference]: Finished difference Result 74 states and 77 transitions. [2024-11-07 20:39:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:39:38,205 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 20:39:38,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:38,206 INFO L225 Difference]: With dead ends: 74 [2024-11-07 20:39:38,206 INFO L226 Difference]: Without dead ends: 65 [2024-11-07 20:39:38,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 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 20:39:38,209 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 8 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:38,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 168 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:39:38,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-07 20:39:38,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-11-07 20:39:38,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 39 states have (on average 1.5897435897435896) internal successors, (62), 59 states have internal predecessors, (62), 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 20:39:38,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 68 transitions. [2024-11-07 20:39:38,218 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 68 transitions. Word has length 16 [2024-11-07 20:39:38,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:38,219 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 68 transitions. [2024-11-07 20:39:38,219 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 20:39:38,219 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 68 transitions. [2024-11-07 20:39:38,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-07 20:39:38,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:38,220 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:39:38,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 20:39:38,220 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:39:38,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:38,221 INFO L85 PathProgramCache]: Analyzing trace with hash 987347375, now seen corresponding path program 1 times [2024-11-07 20:39:38,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:38,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804555701] [2024-11-07 20:39:38,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:38,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:38,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:39:38,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [515421774] [2024-11-07 20:39:38,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:38,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:38,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:38,240 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 20:39:38,241 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 20:39:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:39:38,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:38,307 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 20:39:38,307 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:39:38,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:38,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804555701] [2024-11-07 20:39:38,307 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:39:38,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515421774] [2024-11-07 20:39:38,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515421774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:39:38,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:39:38,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:39:38,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035428895] [2024-11-07 20:39:38,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:39:38,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:39:38,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:38,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:39:38,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:39:38,309 INFO L87 Difference]: Start difference. First operand 65 states and 68 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 20:39:38,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:38,398 INFO L93 Difference]: Finished difference Result 103 states and 115 transitions. [2024-11-07 20:39:38,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:39:38,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 18 [2024-11-07 20:39:38,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:38,400 INFO L225 Difference]: With dead ends: 103 [2024-11-07 20:39:38,401 INFO L226 Difference]: Without dead ends: 97 [2024-11-07 20:39:38,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 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 20:39:38,402 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 28 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:38,402 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 86 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:39:38,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-07 20:39:38,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 88. [2024-11-07 20:39:38,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 61 states have (on average 1.6065573770491803) internal successors, (98), 81 states have internal predecessors, (98), 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 20:39:38,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 106 transitions. [2024-11-07 20:39:38,410 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 106 transitions. Word has length 18 [2024-11-07 20:39:38,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:38,410 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 106 transitions. [2024-11-07 20:39:38,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 20:39:38,410 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 106 transitions. [2024-11-07 20:39:38,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-07 20:39:38,411 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:38,411 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:39:38,424 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 20:39:38,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:38,612 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:39:38,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:38,612 INFO L85 PathProgramCache]: Analyzing trace with hash -346943343, now seen corresponding path program 1 times [2024-11-07 20:39:38,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:38,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685063190] [2024-11-07 20:39:38,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:38,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:38,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,690 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:39:38,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:38,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685063190] [2024-11-07 20:39:38,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685063190] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:39:38,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:39:38,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:39:38,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683512840] [2024-11-07 20:39:38,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:39:38,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:39:38,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:38,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:39:38,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:39:38,692 INFO L87 Difference]: Start difference. First operand 88 states and 106 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 20:39:38,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:38,857 INFO L93 Difference]: Finished difference Result 137 states and 173 transitions. [2024-11-07 20:39:38,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:39:38,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 20 [2024-11-07 20:39:38,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:38,859 INFO L225 Difference]: With dead ends: 137 [2024-11-07 20:39:38,859 INFO L226 Difference]: Without dead ends: 130 [2024-11-07 20:39:38,860 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 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 20:39:38,860 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 41 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:38,860 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 91 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:39:38,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-07 20:39:38,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 124. [2024-11-07 20:39:38,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 95 states have (on average 1.5578947368421052) internal successors, (148), 115 states have internal predecessors, (148), 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 20:39:38,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 160 transitions. [2024-11-07 20:39:38,874 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 160 transitions. Word has length 20 [2024-11-07 20:39:38,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:38,874 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 160 transitions. [2024-11-07 20:39:38,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 20:39:38,874 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 160 transitions. [2024-11-07 20:39:38,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-07 20:39:38,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:38,874 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:39:38,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 20:39:38,874 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:39:38,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:38,875 INFO L85 PathProgramCache]: Analyzing trace with hash 2129658312, now seen corresponding path program 1 times [2024-11-07 20:39:38,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:38,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900520130] [2024-11-07 20:39:38,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:38,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:38,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,928 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 20:39:38,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:38,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900520130] [2024-11-07 20:39:38,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900520130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:39:38,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:39:38,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:39:38,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747155846] [2024-11-07 20:39:38,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:39:38,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:39:38,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:38,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:39:38,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:39:38,930 INFO L87 Difference]: Start difference. First operand 124 states and 160 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (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 20:39:39,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:39,056 INFO L93 Difference]: Finished difference Result 134 states and 163 transitions. [2024-11-07 20:39:39,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:39:39,058 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (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 21 [2024-11-07 20:39:39,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:39,058 INFO L225 Difference]: With dead ends: 134 [2024-11-07 20:39:39,058 INFO L226 Difference]: Without dead ends: 125 [2024-11-07 20:39:39,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 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 20:39:39,059 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 41 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:39,059 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 95 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:39:39,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-07 20:39:39,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 120. [2024-11-07 20:39:39,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 91 states have (on average 1.5274725274725274) internal successors, (139), 111 states have internal predecessors, (139), 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 20:39:39,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 151 transitions. [2024-11-07 20:39:39,068 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 151 transitions. Word has length 21 [2024-11-07 20:39:39,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:39,070 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 151 transitions. [2024-11-07 20:39:39,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (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 20:39:39,071 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 151 transitions. [2024-11-07 20:39:39,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-07 20:39:39,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:39,071 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 20:39:39,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 20:39:39,072 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:39:39,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:39,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1594898291, now seen corresponding path program 1 times [2024-11-07 20:39:39,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:39,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437327511] [2024-11-07 20:39:39,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:39,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:39,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:39,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:39,203 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 20:39:39,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:39,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437327511] [2024-11-07 20:39:39,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437327511] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:39,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603506096] [2024-11-07 20:39:39,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:39,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:39,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:39,206 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 20:39:39,207 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 20:39:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:39,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:39:39,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:39,320 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 20:39:39,320 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:39:39,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1603506096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:39:39,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:39:39,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-07 20:39:39,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085071916] [2024-11-07 20:39:39,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:39:39,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:39:39,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:39,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:39:39,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:39:39,321 INFO L87 Difference]: Start difference. First operand 120 states and 151 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 20:39:39,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:39,422 INFO L93 Difference]: Finished difference Result 123 states and 155 transitions. [2024-11-07 20:39:39,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:39:39,422 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 20:39:39,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:39,423 INFO L225 Difference]: With dead ends: 123 [2024-11-07 20:39:39,423 INFO L226 Difference]: Without dead ends: 122 [2024-11-07 20:39:39,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:39:39,423 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 80 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:39,424 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 74 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:39:39,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-07 20:39:39,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 120. [2024-11-07 20:39:39,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 91 states have (on average 1.5164835164835164) internal successors, (138), 111 states have internal predecessors, (138), 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 20:39:39,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 150 transitions. [2024-11-07 20:39:39,437 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 150 transitions. Word has length 22 [2024-11-07 20:39:39,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:39,437 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 150 transitions. [2024-11-07 20:39:39,437 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 20:39:39,437 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 150 transitions. [2024-11-07 20:39:39,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-07 20:39:39,437 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:39,437 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 20:39:39,453 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 20:39:39,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:39,638 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:39:39,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:39,638 INFO L85 PathProgramCache]: Analyzing trace with hash -2097760470, now seen corresponding path program 1 times [2024-11-07 20:39:39,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:39,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755499588] [2024-11-07 20:39:39,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:39,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:39:39,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1076460313] [2024-11-07 20:39:39,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:39,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:39,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:39,653 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 20:39:39,655 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 20:39:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:39,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:39:39,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:39,761 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 20:39:39,761 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:39:39,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:39,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755499588] [2024-11-07 20:39:39,762 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:39:39,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076460313] [2024-11-07 20:39:39,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076460313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:39:39,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:39:39,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:39:39,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585892236] [2024-11-07 20:39:39,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:39:39,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:39:39,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:39,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:39:39,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:39:39,763 INFO L87 Difference]: Start difference. First operand 120 states and 150 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 20:39:39,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:39,881 INFO L93 Difference]: Finished difference Result 121 states and 150 transitions. [2024-11-07 20:39:39,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:39:39,881 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 20:39:39,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:39,882 INFO L225 Difference]: With dead ends: 121 [2024-11-07 20:39:39,882 INFO L226 Difference]: Without dead ends: 120 [2024-11-07 20:39:39,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 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 20:39:39,882 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 73 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:39,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 79 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:39:39,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-11-07 20:39:39,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-11-07 20:39:39,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 91 states have (on average 1.5054945054945055) internal successors, (137), 111 states have internal predecessors, (137), 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 20:39:39,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 149 transitions. [2024-11-07 20:39:39,888 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 149 transitions. Word has length 23 [2024-11-07 20:39:39,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:39,888 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 149 transitions. [2024-11-07 20:39:39,888 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 20:39:39,888 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 149 transitions. [2024-11-07 20:39:39,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-07 20:39:39,888 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:39,888 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, 1, 1, 1] [2024-11-07 20:39:39,901 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-07 20:39:40,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:40,093 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:39:40,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:40,093 INFO L85 PathProgramCache]: Analyzing trace with hash 909892350, now seen corresponding path program 1 times [2024-11-07 20:39:40,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:40,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800957877] [2024-11-07 20:39:40,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:40,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:40,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:40,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:40,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:40,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:39:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:40,160 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 20:39:40,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:40,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800957877] [2024-11-07 20:39:40,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800957877] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:40,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073165045] [2024-11-07 20:39:40,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:40,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:40,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:40,162 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 20:39:40,163 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 20:39:40,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:40,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 20:39:40,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:40,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 20:39:40,244 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:40,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 20:39:40,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073165045] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:39:40,305 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:39:40,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-07 20:39:40,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863308706] [2024-11-07 20:39:40,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:40,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 20:39:40,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:40,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 20:39:40,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:39:40,306 INFO L87 Difference]: Start difference. First operand 120 states and 149 transitions. Second operand has 9 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 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 20:39:40,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:40,391 INFO L93 Difference]: Finished difference Result 190 states and 234 transitions. [2024-11-07 20:39:40,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:39:40,392 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 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 35 [2024-11-07 20:39:40,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:40,392 INFO L225 Difference]: With dead ends: 190 [2024-11-07 20:39:40,394 INFO L226 Difference]: Without dead ends: 188 [2024-11-07 20:39:40,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:39:40,395 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 265 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:40,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 235 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:39:40,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-07 20:39:40,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 167. [2024-11-07 20:39:40,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 136 states have (on average 1.5073529411764706) internal successors, (205), 156 states have internal predecessors, (205), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:39:40,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 221 transitions. [2024-11-07 20:39:40,402 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 221 transitions. Word has length 35 [2024-11-07 20:39:40,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:40,402 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 221 transitions. [2024-11-07 20:39:40,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 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 20:39:40,402 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 221 transitions. [2024-11-07 20:39:40,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-07 20:39:40,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:40,403 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, 1, 1, 1, 1] [2024-11-07 20:39:40,415 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 20:39:40,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-07 20:39:40,603 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:39:40,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:40,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1858108130, now seen corresponding path program 1 times [2024-11-07 20:39:40,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:40,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197842537] [2024-11-07 20:39:40,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:40,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:40,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:40,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:40,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:40,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:39:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:40,651 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 20:39:40,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:40,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197842537] [2024-11-07 20:39:40,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197842537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:39:40,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:39:40,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:39:40,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721525346] [2024-11-07 20:39:40,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:39:40,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:39:40,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:40,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:39:40,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:39:40,655 INFO L87 Difference]: Start difference. First operand 167 states and 221 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 20:39:40,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:40,683 INFO L93 Difference]: Finished difference Result 177 states and 230 transitions. [2024-11-07 20:39:40,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:39:40,684 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 36 [2024-11-07 20:39:40,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:40,687 INFO L225 Difference]: With dead ends: 177 [2024-11-07 20:39:40,687 INFO L226 Difference]: Without dead ends: 175 [2024-11-07 20:39:40,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 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 20:39:40,689 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 78 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:40,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 78 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:39:40,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-07 20:39:40,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 165. [2024-11-07 20:39:40,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 136 states have (on average 1.4705882352941178) internal successors, (200), 154 states have internal predecessors, (200), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:39:40,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 216 transitions. [2024-11-07 20:39:40,699 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 216 transitions. Word has length 36 [2024-11-07 20:39:40,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:40,700 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 216 transitions. [2024-11-07 20:39:40,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 20:39:40,701 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 216 transitions. [2024-11-07 20:39:40,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-07 20:39:40,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:40,702 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] [2024-11-07 20:39:40,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 20:39:40,702 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:39:40,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:40,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1360750196, now seen corresponding path program 1 times [2024-11-07 20:39:40,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:40,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276164335] [2024-11-07 20:39:40,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:40,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:40,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:40,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:40,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:39:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:40,780 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:39:40,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:40,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276164335] [2024-11-07 20:39:40,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276164335] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:40,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846928576] [2024-11-07 20:39:40,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:40,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:40,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:40,782 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 20:39:40,784 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 20:39:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:40,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:39:40,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:40,850 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:39:40,850 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:39:40,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846928576] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:39:40,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:39:40,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-07 20:39:40,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447723131] [2024-11-07 20:39:40,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:39:40,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:39:40,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:40,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:39:40,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:39:40,852 INFO L87 Difference]: Start difference. First operand 165 states and 216 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 20:39:40,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:40,888 INFO L93 Difference]: Finished difference Result 175 states and 225 transitions. [2024-11-07 20:39:40,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:39:40,888 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 39 [2024-11-07 20:39:40,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:40,889 INFO L225 Difference]: With dead ends: 175 [2024-11-07 20:39:40,889 INFO L226 Difference]: Without dead ends: 174 [2024-11-07 20:39:40,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:39:40,890 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 40 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:40,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 187 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:39:40,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-07 20:39:40,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 164. [2024-11-07 20:39:40,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 136 states have (on average 1.4338235294117647) internal successors, (195), 153 states have internal predecessors, (195), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:39:40,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 211 transitions. [2024-11-07 20:39:40,896 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 211 transitions. Word has length 39 [2024-11-07 20:39:40,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:40,896 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 211 transitions. [2024-11-07 20:39:40,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 20:39:40,896 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 211 transitions. [2024-11-07 20:39:40,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-07 20:39:40,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:40,896 INFO L215 NwaCegarLoop]: trace histogram [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 20:39:40,908 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 20:39:41,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-07 20:39:41,101 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:39:41,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:41,101 INFO L85 PathProgramCache]: Analyzing trace with hash 29303785, now seen corresponding path program 1 times [2024-11-07 20:39:41,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:41,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427569298] [2024-11-07 20:39:41,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:41,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:41,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:41,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:41,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:41,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:39:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:41,154 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:39:41,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:41,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427569298] [2024-11-07 20:39:41,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427569298] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:41,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982754628] [2024-11-07 20:39:41,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:41,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:41,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:41,157 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 20:39:41,159 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 20:39:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:41,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:39:41,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:41,236 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:39:41,236 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:41,297 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:39:41,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1982754628] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:39:41,297 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:39:41,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 10 [2024-11-07 20:39:41,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646089578] [2024-11-07 20:39:41,297 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:41,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 20:39:41,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:41,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 20:39:41,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:39:41,298 INFO L87 Difference]: Start difference. First operand 164 states and 211 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 4 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-07 20:39:41,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:41,381 INFO L93 Difference]: Finished difference Result 306 states and 363 transitions. [2024-11-07 20:39:41,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 20:39:41,381 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 4 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 41 [2024-11-07 20:39:41,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:41,382 INFO L225 Difference]: With dead ends: 306 [2024-11-07 20:39:41,382 INFO L226 Difference]: Without dead ends: 294 [2024-11-07 20:39:41,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-07 20:39:41,383 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 96 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:41,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 345 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:39:41,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-11-07 20:39:41,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 252. [2024-11-07 20:39:41,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 218 states have (on average 1.408256880733945) internal successors, (307), 235 states have internal predecessors, (307), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-07 20:39:41,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 329 transitions. [2024-11-07 20:39:41,392 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 329 transitions. Word has length 41 [2024-11-07 20:39:41,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:41,392 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 329 transitions. [2024-11-07 20:39:41,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 4 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-07 20:39:41,392 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 329 transitions. [2024-11-07 20:39:41,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-07 20:39:41,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:41,393 INFO L215 NwaCegarLoop]: trace histogram [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 20:39:41,404 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 20:39:41,596 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,SelfDestructingSolverStorable11 [2024-11-07 20:39:41,596 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:39:41,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:41,597 INFO L85 PathProgramCache]: Analyzing trace with hash 29303800, now seen corresponding path program 1 times [2024-11-07 20:39:41,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:41,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954533690] [2024-11-07 20:39:41,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:41,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:39:41,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [762508151] [2024-11-07 20:39:41,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:41,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:41,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:41,606 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 20:39:41,607 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 20:39:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:41,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:39:41,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:41,778 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:39:41,778 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:41,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:41,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954533690] [2024-11-07 20:39:41,913 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:39:41,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762508151] [2024-11-07 20:39:41,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [762508151] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:41,913 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:39:41,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-07 20:39:41,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672819931] [2024-11-07 20:39:41,913 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:41,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:39:41,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:41,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:39:41,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:39:41,914 INFO L87 Difference]: Start difference. First operand 252 states and 329 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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 20:39:42,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:42,009 INFO L93 Difference]: Finished difference Result 259 states and 332 transitions. [2024-11-07 20:39:42,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:39:42,010 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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 41 [2024-11-07 20:39:42,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:42,011 INFO L225 Difference]: With dead ends: 259 [2024-11-07 20:39:42,011 INFO L226 Difference]: Without dead ends: 252 [2024-11-07 20:39:42,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:39:42,011 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 65 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:42,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 82 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:39:42,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-07 20:39:42,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 248. [2024-11-07 20:39:42,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 219 states have (on average 1.3059360730593608) internal successors, (286), 231 states have internal predecessors, (286), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-07 20:39:42,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 308 transitions. [2024-11-07 20:39:42,023 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 308 transitions. Word has length 41 [2024-11-07 20:39:42,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:42,024 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 308 transitions. [2024-11-07 20:39:42,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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 20:39:42,024 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 308 transitions. [2024-11-07 20:39:42,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-07 20:39:42,025 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:42,025 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] [2024-11-07 20:39:42,038 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-07 20:39:42,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:42,226 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:39:42,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:42,226 INFO L85 PathProgramCache]: Analyzing trace with hash 908417853, now seen corresponding path program 1 times [2024-11-07 20:39:42,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:42,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947148002] [2024-11-07 20:39:42,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:42,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:39:42,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1237904130] [2024-11-07 20:39:42,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:42,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:42,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:42,240 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 20:39:42,242 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 20:39:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:42,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:39:42,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:42,402 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 20:39:42,403 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:42,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:42,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947148002] [2024-11-07 20:39:42,735 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:39:42,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237904130] [2024-11-07 20:39:42,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237904130] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:42,735 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:39:42,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-07 20:39:42,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153217746] [2024-11-07 20:39:42,735 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:42,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:39:42,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:42,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:39:42,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:39:42,736 INFO L87 Difference]: Start difference. First operand 248 states and 308 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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 20:39:42,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:42,889 INFO L93 Difference]: Finished difference Result 336 states and 416 transitions. [2024-11-07 20:39:42,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:39:42,889 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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 42 [2024-11-07 20:39:42,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:42,892 INFO L225 Difference]: With dead ends: 336 [2024-11-07 20:39:42,892 INFO L226 Difference]: Without dead ends: 331 [2024-11-07 20:39:42,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:39:42,892 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 70 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:42,892 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 154 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:39:42,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-11-07 20:39:42,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 315. [2024-11-07 20:39:42,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 283 states have (on average 1.2862190812720848) internal successors, (364), 295 states have internal predecessors, (364), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-07 20:39:42,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 392 transitions. [2024-11-07 20:39:42,903 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 392 transitions. Word has length 42 [2024-11-07 20:39:42,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:42,903 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 392 transitions. [2024-11-07 20:39:42,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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 20:39:42,903 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 392 transitions. [2024-11-07 20:39:42,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-07 20:39:42,903 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:42,904 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] [2024-11-07 20:39:42,916 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-07 20:39:43,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:43,105 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:39:43,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:43,105 INFO L85 PathProgramCache]: Analyzing trace with hash 280756176, now seen corresponding path program 1 times [2024-11-07 20:39:43,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:43,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105336095] [2024-11-07 20:39:43,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:43,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:39:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,152 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:39:43,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:43,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105336095] [2024-11-07 20:39:43,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105336095] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:43,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855696504] [2024-11-07 20:39:43,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:43,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:43,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:43,155 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 20:39:43,156 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 20:39:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:39:43,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:43,270 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:39:43,270 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:39:43,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855696504] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:39:43,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:39:43,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-07 20:39:43,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885913420] [2024-11-07 20:39:43,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:39:43,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:39:43,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:43,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:39:43,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:39:43,272 INFO L87 Difference]: Start difference. First operand 315 states and 392 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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 20:39:43,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:43,411 INFO L93 Difference]: Finished difference Result 315 states and 392 transitions. [2024-11-07 20:39:43,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:39:43,412 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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 43 [2024-11-07 20:39:43,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:43,413 INFO L225 Difference]: With dead ends: 315 [2024-11-07 20:39:43,413 INFO L226 Difference]: Without dead ends: 313 [2024-11-07 20:39:43,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:39:43,414 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 27 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:43,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 83 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:39:43,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-07 20:39:43,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 310. [2024-11-07 20:39:43,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 280 states have (on average 1.275) internal successors, (357), 290 states have internal predecessors, (357), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-07 20:39:43,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 385 transitions. [2024-11-07 20:39:43,426 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 385 transitions. Word has length 43 [2024-11-07 20:39:43,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:43,426 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 385 transitions. [2024-11-07 20:39:43,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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 20:39:43,426 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 385 transitions. [2024-11-07 20:39:43,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-07 20:39:43,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:43,427 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] [2024-11-07 20:39:43,438 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 20:39:43,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:43,628 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:39:43,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:43,628 INFO L85 PathProgramCache]: Analyzing trace with hash 113506921, now seen corresponding path program 1 times [2024-11-07 20:39:43,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:43,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453601167] [2024-11-07 20:39:43,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:43,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:39:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,707 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:39:43,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:43,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453601167] [2024-11-07 20:39:43,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453601167] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:43,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538933511] [2024-11-07 20:39:43,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:43,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:43,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:43,709 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 20:39:43,711 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 20:39:43,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:39:43,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:43,807 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:39:43,808 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:43,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538933511] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:43,869 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:39:43,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8 [2024-11-07 20:39:43,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958297902] [2024-11-07 20:39:43,869 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:43,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 20:39:43,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:43,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 20:39:43,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:39:43,870 INFO L87 Difference]: Start difference. First operand 310 states and 385 transitions. Second operand has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 20:39:44,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:44,031 INFO L93 Difference]: Finished difference Result 318 states and 389 transitions. [2024-11-07 20:39:44,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:39:44,034 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 44 [2024-11-07 20:39:44,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:44,036 INFO L225 Difference]: With dead ends: 318 [2024-11-07 20:39:44,036 INFO L226 Difference]: Without dead ends: 310 [2024-11-07 20:39:44,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:39:44,036 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 12 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:44,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 189 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:39:44,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2024-11-07 20:39:44,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2024-11-07 20:39:44,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 280 states have (on average 1.2607142857142857) internal successors, (353), 290 states have internal predecessors, (353), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-07 20:39:44,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 381 transitions. [2024-11-07 20:39:44,046 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 381 transitions. Word has length 44 [2024-11-07 20:39:44,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:44,046 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 381 transitions. [2024-11-07 20:39:44,046 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 20:39:44,046 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 381 transitions. [2024-11-07 20:39:44,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-07 20:39:44,047 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:44,047 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] [2024-11-07 20:39:44,058 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 20:39:44,247 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,SelfDestructingSolverStorable15 [2024-11-07 20:39:44,248 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:39:44,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:44,248 INFO L85 PathProgramCache]: Analyzing trace with hash -776252686, now seen corresponding path program 1 times [2024-11-07 20:39:44,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:44,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281907122] [2024-11-07 20:39:44,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:44,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:44,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:44,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:44,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:44,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:39:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:44,291 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:39:44,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:44,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281907122] [2024-11-07 20:39:44,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281907122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:39:44,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:39:44,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:39:44,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169997126] [2024-11-07 20:39:44,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:39:44,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:39:44,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:44,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:39:44,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:39:44,292 INFO L87 Difference]: Start difference. First operand 310 states and 381 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (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 20:39:44,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:44,431 INFO L93 Difference]: Finished difference Result 317 states and 388 transitions. [2024-11-07 20:39:44,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:39:44,432 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (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 45 [2024-11-07 20:39:44,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:44,433 INFO L225 Difference]: With dead ends: 317 [2024-11-07 20:39:44,433 INFO L226 Difference]: Without dead ends: 316 [2024-11-07 20:39:44,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 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 20:39:44,433 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 4 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:44,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 64 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:39:44,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-11-07 20:39:44,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 310. [2024-11-07 20:39:44,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 280 states have (on average 1.2392857142857143) internal successors, (347), 290 states have internal predecessors, (347), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-07 20:39:44,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 375 transitions. [2024-11-07 20:39:44,446 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 375 transitions. Word has length 45 [2024-11-07 20:39:44,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:44,446 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 375 transitions. [2024-11-07 20:39:44,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (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 20:39:44,446 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 375 transitions. [2024-11-07 20:39:44,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-07 20:39:44,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:44,447 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] [2024-11-07 20:39:44,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 20:39:44,447 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:39:44,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:44,447 INFO L85 PathProgramCache]: Analyzing trace with hash 87381308, now seen corresponding path program 1 times [2024-11-07 20:39:44,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:44,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290920755] [2024-11-07 20:39:44,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:44,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:44,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:44,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:44,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:39:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:44,583 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 20:39:44,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:44,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290920755] [2024-11-07 20:39:44,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290920755] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:44,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932569378] [2024-11-07 20:39:44,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:44,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:44,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:44,585 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 20:39:44,586 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 20:39:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:44,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-07 20:39:44,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:44,727 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 20:39:44,727 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:44,960 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 20:39:44,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932569378] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:39:44,960 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:39:44,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2024-11-07 20:39:44,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907086901] [2024-11-07 20:39:44,960 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:44,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 20:39:44,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:44,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 20:39:44,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-11-07 20:39:44,961 INFO L87 Difference]: Start difference. First operand 310 states and 375 transitions. Second operand has 17 states, 16 states have (on average 4.0625) internal successors, (65), 16 states have internal predecessors, (65), 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 20:39:45,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:45,362 INFO L93 Difference]: Finished difference Result 320 states and 382 transitions. [2024-11-07 20:39:45,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 20:39:45,362 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.0625) internal successors, (65), 16 states have internal predecessors, (65), 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 45 [2024-11-07 20:39:45,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:45,364 INFO L225 Difference]: With dead ends: 320 [2024-11-07 20:39:45,364 INFO L226 Difference]: Without dead ends: 317 [2024-11-07 20:39:45,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 82 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2024-11-07 20:39:45,364 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 203 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:45,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 138 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:39:45,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-07 20:39:45,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 307. [2024-11-07 20:39:45,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 280 states have (on average 1.1892857142857143) internal successors, (333), 287 states have internal predecessors, (333), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-07 20:39:45,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 361 transitions. [2024-11-07 20:39:45,375 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 361 transitions. Word has length 45 [2024-11-07 20:39:45,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:45,375 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 361 transitions. [2024-11-07 20:39:45,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.0625) internal successors, (65), 16 states have internal predecessors, (65), 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 20:39:45,375 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 361 transitions. [2024-11-07 20:39:45,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-07 20:39:45,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:45,375 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] [2024-11-07 20:39:45,387 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 20:39:45,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-07 20:39:45,579 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:39:45,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:45,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1705970571, now seen corresponding path program 1 times [2024-11-07 20:39:45,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:45,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534000679] [2024-11-07 20:39:45,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:45,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:45,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:45,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:45,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:39:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:45,624 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:39:45,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:45,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534000679] [2024-11-07 20:39:45,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534000679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:39:45,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:39:45,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:39:45,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186135562] [2024-11-07 20:39:45,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:39:45,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:39:45,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:45,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:39:45,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:39:45,626 INFO L87 Difference]: Start difference. First operand 307 states and 361 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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 20:39:45,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:45,726 INFO L93 Difference]: Finished difference Result 314 states and 368 transitions. [2024-11-07 20:39:45,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:39:45,726 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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 46 [2024-11-07 20:39:45,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:45,727 INFO L225 Difference]: With dead ends: 314 [2024-11-07 20:39:45,727 INFO L226 Difference]: Without dead ends: 313 [2024-11-07 20:39:45,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 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 20:39:45,728 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 4 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:45,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 76 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:39:45,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-07 20:39:45,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 307. [2024-11-07 20:39:45,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 280 states have (on average 1.167857142857143) internal successors, (327), 287 states have internal predecessors, (327), 14 states have call successors, (14), 5 states have call predecessors, (14), 5 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-07 20:39:45,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 355 transitions. [2024-11-07 20:39:45,738 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 355 transitions. Word has length 46 [2024-11-07 20:39:45,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:45,738 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 355 transitions. [2024-11-07 20:39:45,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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 20:39:45,738 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 355 transitions. [2024-11-07 20:39:45,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-07 20:39:45,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:45,739 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] [2024-11-07 20:39:45,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 20:39:45,739 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:39:45,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:45,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1586146687, now seen corresponding path program 1 times [2024-11-07 20:39:45,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:45,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217422715] [2024-11-07 20:39:45,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:45,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:39:45,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1424277269] [2024-11-07 20:39:45,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:45,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:45,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:45,747 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 20:39:45,748 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 20:39:45,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:45,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 20:39:45,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:45,922 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 20:39:45,922 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:46,087 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 20:39:46,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:46,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217422715] [2024-11-07 20:39:46,087 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:39:46,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1424277269] [2024-11-07 20:39:46,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1424277269] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:39:46,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:39:46,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-07 20:39:46,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807903192] [2024-11-07 20:39:46,087 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:46,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 20:39:46,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:46,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 20:39:46,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:39:46,088 INFO L87 Difference]: Start difference. First operand 307 states and 355 transitions. Second operand has 11 states, 10 states have (on average 6.6) internal successors, (66), 11 states have internal predecessors, (66), 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 20:39:46,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:46,503 INFO L93 Difference]: Finished difference Result 411 states and 473 transitions. [2024-11-07 20:39:46,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:39:46,504 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.6) internal successors, (66), 11 states have internal predecessors, (66), 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 46 [2024-11-07 20:39:46,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:46,505 INFO L225 Difference]: With dead ends: 411 [2024-11-07 20:39:46,505 INFO L226 Difference]: Without dead ends: 291 [2024-11-07 20:39:46,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 80 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2024-11-07 20:39:46,505 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 78 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:46,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 134 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:39:46,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-07 20:39:46,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 285. [2024-11-07 20:39:46,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 260 states have (on average 1.1384615384615384) internal successors, (296), 266 states have internal predecessors, (296), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 20:39:46,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 322 transitions. [2024-11-07 20:39:46,517 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 322 transitions. Word has length 46 [2024-11-07 20:39:46,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:46,518 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 322 transitions. [2024-11-07 20:39:46,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.6) internal successors, (66), 11 states have internal predecessors, (66), 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 20:39:46,518 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 322 transitions. [2024-11-07 20:39:46,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-07 20:39:46,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:46,519 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:39:46,533 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 20:39:46,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:46,719 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:39:46,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:46,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1884112250, now seen corresponding path program 2 times [2024-11-07 20:39:46,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:46,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815319712] [2024-11-07 20:39:46,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:46,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:39:46,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [549007038] [2024-11-07 20:39:46,732 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:39:46,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:46,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:46,734 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 20:39:46,735 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 20:39:46,771 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:39:46,771 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:39:46,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-07 20:39:46,773 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:46,879 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 20:39:46,879 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:47,150 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 20:39:47,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:47,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815319712] [2024-11-07 20:39:47,151 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:39:47,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549007038] [2024-11-07 20:39:47,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549007038] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:39:47,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:39:47,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-07 20:39:47,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866303456] [2024-11-07 20:39:47,152 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:47,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 20:39:47,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:47,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 20:39:47,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:39:47,152 INFO L87 Difference]: Start difference. First operand 285 states and 322 transitions. Second operand has 10 states, 9 states have (on average 10.444444444444445) internal successors, (94), 10 states have internal predecessors, (94), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-07 20:39:47,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:47,768 INFO L93 Difference]: Finished difference Result 450 states and 525 transitions. [2024-11-07 20:39:47,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 20:39:47,768 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.444444444444445) internal successors, (94), 10 states have internal predecessors, (94), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 65 [2024-11-07 20:39:47,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:47,769 INFO L225 Difference]: With dead ends: 450 [2024-11-07 20:39:47,770 INFO L226 Difference]: Without dead ends: 441 [2024-11-07 20:39:47,770 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-11-07 20:39:47,771 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 154 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:47,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 272 Invalid, 335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 20:39:47,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-07 20:39:47,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 403. [2024-11-07 20:39:47,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 372 states have (on average 1.1612903225806452) internal successors, (432), 378 states have internal predecessors, (432), 19 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 20:39:47,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 470 transitions. [2024-11-07 20:39:47,786 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 470 transitions. Word has length 65 [2024-11-07 20:39:47,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:47,787 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 470 transitions. [2024-11-07 20:39:47,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.444444444444445) internal successors, (94), 10 states have internal predecessors, (94), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-07 20:39:47,787 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 470 transitions. [2024-11-07 20:39:47,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-07 20:39:47,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:47,787 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-07 20:39:47,800 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 20:39:47,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:47,988 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:39:47,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:47,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1626594472, now seen corresponding path program 2 times [2024-11-07 20:39:47,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:47,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234672763] [2024-11-07 20:39:47,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:47,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:48,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:48,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:48,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:39:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:48,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 20:39:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:48,109 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-07 20:39:48,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:48,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234672763] [2024-11-07 20:39:48,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234672763] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:48,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325644999] [2024-11-07 20:39:48,110 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:39:48,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:48,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:48,111 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 20:39:48,113 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 20:39:48,150 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:39:48,150 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:39:48,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:39:48,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:48,280 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 20:39:48,281 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:48,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1325644999] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:48,336 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:39:48,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 10 [2024-11-07 20:39:48,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671536949] [2024-11-07 20:39:48,336 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:48,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 20:39:48,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:48,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 20:39:48,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-07 20:39:48,337 INFO L87 Difference]: Start difference. First operand 403 states and 470 transitions. Second operand has 11 states, 10 states have (on average 10.1) internal successors, (101), 11 states have internal predecessors, (101), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-07 20:39:48,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:48,516 INFO L93 Difference]: Finished difference Result 411 states and 474 transitions. [2024-11-07 20:39:48,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:39:48,519 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.1) internal successors, (101), 11 states have internal predecessors, (101), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 67 [2024-11-07 20:39:48,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:48,520 INFO L225 Difference]: With dead ends: 411 [2024-11-07 20:39:48,520 INFO L226 Difference]: Without dead ends: 403 [2024-11-07 20:39:48,521 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2024-11-07 20:39:48,521 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 37 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:48,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 152 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:39:48,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-11-07 20:39:48,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2024-11-07 20:39:48,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 372 states have (on average 1.1505376344086022) internal successors, (428), 378 states have internal predecessors, (428), 19 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 20:39:48,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 466 transitions. [2024-11-07 20:39:48,537 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 466 transitions. Word has length 67 [2024-11-07 20:39:48,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:48,537 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 466 transitions. [2024-11-07 20:39:48,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.1) internal successors, (101), 11 states have internal predecessors, (101), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-07 20:39:48,537 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 466 transitions. [2024-11-07 20:39:48,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-07 20:39:48,540 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:48,540 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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] [2024-11-07 20:39:48,552 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 20:39:48,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-07 20:39:48,744 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:39:48,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:48,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1718084489, now seen corresponding path program 3 times [2024-11-07 20:39:48,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:48,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896223244] [2024-11-07 20:39:48,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:48,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:48,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:48,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:48,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:39:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:48,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 20:39:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:48,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:39:48,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:48,889 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 87 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-07 20:39:48,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:48,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896223244] [2024-11-07 20:39:48,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896223244] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:48,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372359503] [2024-11-07 20:39:48,890 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:39:48,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:48,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:48,892 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 20:39:48,893 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 20:39:48,924 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-07 20:39:48,924 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:39:48,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:39:48,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:49,008 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-07 20:39:49,008 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:39:49,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372359503] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:39:49,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:39:49,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-07 20:39:49,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520828008] [2024-11-07 20:39:49,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:39:49,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:39:49,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:49,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:39:49,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:39:49,011 INFO L87 Difference]: Start difference. First operand 403 states and 466 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 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 20:39:49,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:49,104 INFO L93 Difference]: Finished difference Result 411 states and 470 transitions. [2024-11-07 20:39:49,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:39:49,105 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 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 90 [2024-11-07 20:39:49,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:49,106 INFO L225 Difference]: With dead ends: 411 [2024-11-07 20:39:49,106 INFO L226 Difference]: Without dead ends: 404 [2024-11-07 20:39:49,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:39:49,107 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 30 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:49,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 74 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:39:49,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-07 20:39:49,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 394. [2024-11-07 20:39:49,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 363 states have (on average 1.140495867768595) internal successors, (414), 369 states have internal predecessors, (414), 19 states have call successors, (19), 5 states have call predecessors, (19), 5 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 20:39:49,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 452 transitions. [2024-11-07 20:39:49,121 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 452 transitions. Word has length 90 [2024-11-07 20:39:49,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:49,121 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 452 transitions. [2024-11-07 20:39:49,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 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 20:39:49,122 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 452 transitions. [2024-11-07 20:39:49,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-07 20:39:49,122 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:49,122 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:39:49,134 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 20:39:49,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:49,323 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:39:49,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:49,324 INFO L85 PathProgramCache]: Analyzing trace with hash 938127955, now seen corresponding path program 1 times [2024-11-07 20:39:49,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:49,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650416512] [2024-11-07 20:39:49,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:49,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:49,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:49,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:49,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:39:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:49,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 20:39:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:49,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:39:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:49,437 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 6 proven. 73 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-07 20:39:49,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:49,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650416512] [2024-11-07 20:39:49,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650416512] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:49,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116222372] [2024-11-07 20:39:49,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:49,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:49,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:49,440 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 20:39:49,441 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 20:39:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:49,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 20:39:49,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:49,550 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 6 proven. 73 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-07 20:39:49,550 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:49,705 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 6 proven. 73 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-07 20:39:49,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116222372] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:39:49,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:39:49,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2024-11-07 20:39:49,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070822417] [2024-11-07 20:39:49,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:49,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 20:39:49,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:49,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 20:39:49,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-07 20:39:49,707 INFO L87 Difference]: Start difference. First operand 394 states and 452 transitions. Second operand has 15 states, 14 states have (on average 9.928571428571429) internal successors, (139), 15 states have internal predecessors, (139), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-07 20:39:50,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:50,168 INFO L93 Difference]: Finished difference Result 1083 states and 1271 transitions. [2024-11-07 20:39:50,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-07 20:39:50,168 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 9.928571428571429) internal successors, (139), 15 states have internal predecessors, (139), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 90 [2024-11-07 20:39:50,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:50,172 INFO L225 Difference]: With dead ends: 1083 [2024-11-07 20:39:50,172 INFO L226 Difference]: Without dead ends: 1057 [2024-11-07 20:39:50,172 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=258, Invalid=612, Unknown=0, NotChecked=0, Total=870 [2024-11-07 20:39:50,173 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 168 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:50,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 261 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:39:50,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2024-11-07 20:39:50,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 985. [2024-11-07 20:39:50,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 985 states, 928 states have (on average 1.1174568965517242) internal successors, (1037), 934 states have internal predecessors, (1037), 45 states have call successors, (45), 5 states have call predecessors, (45), 5 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-07 20:39:50,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 985 states and 1127 transitions. [2024-11-07 20:39:50,210 INFO L78 Accepts]: Start accepts. Automaton has 985 states and 1127 transitions. Word has length 90 [2024-11-07 20:39:50,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:50,210 INFO L471 AbstractCegarLoop]: Abstraction has 985 states and 1127 transitions. [2024-11-07 20:39:50,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 9.928571428571429) internal successors, (139), 15 states have internal predecessors, (139), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-07 20:39:50,211 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1127 transitions. [2024-11-07 20:39:50,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-07 20:39:50,211 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:50,211 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:39:50,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-07 20:39:50,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:50,412 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:39:50,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:50,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1915498629, now seen corresponding path program 1 times [2024-11-07 20:39:50,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:50,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15079932] [2024-11-07 20:39:50,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:50,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:50,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:50,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:50,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:50,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:39:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:50,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 20:39:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:50,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:39:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:50,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 20:39:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:50,479 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:39:50,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:50,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15079932] [2024-11-07 20:39:50,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15079932] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:50,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617032311] [2024-11-07 20:39:50,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:50,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:50,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:50,482 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 20:39:50,483 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 20:39:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:50,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:39:50,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:50,586 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:39:50,586 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:50,682 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:39:50,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617032311] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:39:50,682 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:39:50,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-07 20:39:50,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507777192] [2024-11-07 20:39:50,682 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:50,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 20:39:50,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:50,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 20:39:50,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:39:50,683 INFO L87 Difference]: Start difference. First operand 985 states and 1127 transitions. Second operand has 11 states, 10 states have (on average 16.1) internal successors, (161), 11 states have internal predecessors, (161), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-07 20:39:50,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:50,834 INFO L93 Difference]: Finished difference Result 1843 states and 2204 transitions. [2024-11-07 20:39:50,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:39:50,835 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 16.1) internal successors, (161), 11 states have internal predecessors, (161), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 100 [2024-11-07 20:39:50,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:50,839 INFO L225 Difference]: With dead ends: 1843 [2024-11-07 20:39:50,839 INFO L226 Difference]: Without dead ends: 1841 [2024-11-07 20:39:50,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:39:50,839 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 58 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:50,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 189 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:39:50,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1841 states. [2024-11-07 20:39:50,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1841 to 1813. [2024-11-07 20:39:50,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1813 states, 1715 states have (on average 1.103790087463557) internal successors, (1893), 1720 states have internal predecessors, (1893), 87 states have call successors, (87), 5 states have call predecessors, (87), 5 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-07 20:39:50,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 1813 states and 2067 transitions. [2024-11-07 20:39:50,898 INFO L78 Accepts]: Start accepts. Automaton has 1813 states and 2067 transitions. Word has length 100 [2024-11-07 20:39:50,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:50,898 INFO L471 AbstractCegarLoop]: Abstraction has 1813 states and 2067 transitions. [2024-11-07 20:39:50,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 16.1) internal successors, (161), 11 states have internal predecessors, (161), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-07 20:39:50,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2067 transitions. [2024-11-07 20:39:50,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-07 20:39:50,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:50,901 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:39:50,923 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 20:39:51,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:51,101 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:39:51,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:51,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1124255409, now seen corresponding path program 1 times [2024-11-07 20:39:51,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:51,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679376240] [2024-11-07 20:39:51,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:51,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:51,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:51,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:51,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:39:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:51,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 20:39:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:51,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:39:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:51,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 20:39:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:51,158 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-07 20:39:51,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:51,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679376240] [2024-11-07 20:39:51,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679376240] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:51,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905209523] [2024-11-07 20:39:51,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:51,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:51,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:51,161 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 20:39:51,162 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 20:39:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:51,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:39:51,200 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:51,275 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 78 proven. 30 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-07 20:39:51,275 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:51,352 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 66 proven. 30 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-07 20:39:51,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [905209523] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:39:51,352 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:39:51,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 6] total 10 [2024-11-07 20:39:51,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824624301] [2024-11-07 20:39:51,353 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:51,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 20:39:51,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:51,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 20:39:51,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:39:51,354 INFO L87 Difference]: Start difference. First operand 1813 states and 2067 transitions. Second operand has 10 states, 10 states have (on average 15.6) internal successors, (156), 10 states have internal predecessors, (156), 9 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 9 states have call predecessors, (11), 9 states have call successors, (11) [2024-11-07 20:39:51,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:51,682 INFO L93 Difference]: Finished difference Result 2907 states and 3356 transitions. [2024-11-07 20:39:51,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-07 20:39:51,682 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.6) internal successors, (156), 10 states have internal predecessors, (156), 9 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 9 states have call predecessors, (11), 9 states have call successors, (11) Word has length 103 [2024-11-07 20:39:51,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:51,687 INFO L225 Difference]: With dead ends: 2907 [2024-11-07 20:39:51,687 INFO L226 Difference]: Without dead ends: 2354 [2024-11-07 20:39:51,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 209 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2024-11-07 20:39:51,690 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 170 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:51,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 288 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:39:51,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2354 states. [2024-11-07 20:39:51,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2354 to 1956. [2024-11-07 20:39:51,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1956 states, 1850 states have (on average 1.1021621621621622) internal successors, (2039), 1855 states have internal predecessors, (2039), 95 states have call successors, (95), 5 states have call predecessors, (95), 5 states have return successors, (95), 95 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-07 20:39:51,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 1956 states and 2229 transitions. [2024-11-07 20:39:51,767 INFO L78 Accepts]: Start accepts. Automaton has 1956 states and 2229 transitions. Word has length 103 [2024-11-07 20:39:51,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:51,767 INFO L471 AbstractCegarLoop]: Abstraction has 1956 states and 2229 transitions. [2024-11-07 20:39:51,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.6) internal successors, (156), 10 states have internal predecessors, (156), 9 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 9 states have call predecessors, (11), 9 states have call successors, (11) [2024-11-07 20:39:51,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1956 states and 2229 transitions. [2024-11-07 20:39:51,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-07 20:39:51,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:51,770 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:39:51,782 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 20:39:51,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-07 20:39:51,975 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:39:51,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:51,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1977386885, now seen corresponding path program 1 times [2024-11-07 20:39:51,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:51,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978017442] [2024-11-07 20:39:51,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:51,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:52,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:52,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:52,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:39:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:52,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 20:39:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:52,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:39:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:52,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 20:39:52,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:52,036 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:39:52,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:52,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978017442] [2024-11-07 20:39:52,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978017442] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:52,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135072160] [2024-11-07 20:39:52,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:52,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:52,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:52,038 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 20:39:52,040 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 20:39:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:52,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:39:52,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:52,143 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:39:52,143 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:52,232 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:39:52,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135072160] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:39:52,233 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:39:52,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-07 20:39:52,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779756766] [2024-11-07 20:39:52,233 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:52,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 20:39:52,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:52,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 20:39:52,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:39:52,234 INFO L87 Difference]: Start difference. First operand 1956 states and 2229 transitions. Second operand has 11 states, 10 states have (on average 16.7) internal successors, (167), 11 states have internal predecessors, (167), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-07 20:39:52,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:52,417 INFO L93 Difference]: Finished difference Result 2895 states and 3350 transitions. [2024-11-07 20:39:52,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:39:52,418 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 16.7) internal successors, (167), 11 states have internal predecessors, (167), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 103 [2024-11-07 20:39:52,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:52,425 INFO L225 Difference]: With dead ends: 2895 [2024-11-07 20:39:52,425 INFO L226 Difference]: Without dead ends: 2894 [2024-11-07 20:39:52,426 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:39:52,427 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 96 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:52,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 263 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:39:52,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2894 states. [2024-11-07 20:39:52,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2894 to 2846. [2024-11-07 20:39:52,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2846 states, 2693 states have (on average 1.1188265874489418) internal successors, (3013), 2698 states have internal predecessors, (3013), 142 states have call successors, (142), 5 states have call predecessors, (142), 5 states have return successors, (142), 142 states have call predecessors, (142), 142 states have call successors, (142) [2024-11-07 20:39:52,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 2846 states and 3297 transitions. [2024-11-07 20:39:52,516 INFO L78 Accepts]: Start accepts. Automaton has 2846 states and 3297 transitions. Word has length 103 [2024-11-07 20:39:52,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:52,517 INFO L471 AbstractCegarLoop]: Abstraction has 2846 states and 3297 transitions. [2024-11-07 20:39:52,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 16.7) internal successors, (167), 11 states have internal predecessors, (167), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-07 20:39:52,517 INFO L276 IsEmpty]: Start isEmpty. Operand 2846 states and 3297 transitions. [2024-11-07 20:39:52,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-07 20:39:52,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:52,518 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:39:52,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-07 20:39:52,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:52,719 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:39:52,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:52,719 INFO L85 PathProgramCache]: Analyzing trace with hash 195229521, now seen corresponding path program 1 times [2024-11-07 20:39:52,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:52,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580317666] [2024-11-07 20:39:52,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:52,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:52,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:52,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:52,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:39:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:52,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 20:39:52,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:52,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:39:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:52,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 20:39:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:52,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 20:39:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:52,807 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 58 proven. 128 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-07 20:39:52,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:52,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580317666] [2024-11-07 20:39:52,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580317666] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:52,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [356698620] [2024-11-07 20:39:52,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:52,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:52,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:52,809 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 20:39:52,810 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 20:39:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:52,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 20:39:52,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:53,006 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 73 proven. 113 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-07 20:39:53,007 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:53,116 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 73 proven. 113 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-07 20:39:53,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [356698620] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:39:53,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:39:53,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2024-11-07 20:39:53,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78494900] [2024-11-07 20:39:53,117 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:53,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 20:39:53,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:53,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 20:39:53,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:39:53,118 INFO L87 Difference]: Start difference. First operand 2846 states and 3297 transitions. Second operand has 12 states, 12 states have (on average 14.666666666666666) internal successors, (176), 12 states have internal predecessors, (176), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-07 20:39:53,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:53,449 INFO L93 Difference]: Finished difference Result 5713 states and 6731 transitions. [2024-11-07 20:39:53,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 20:39:53,450 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.666666666666666) internal successors, (176), 12 states have internal predecessors, (176), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 134 [2024-11-07 20:39:53,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:53,459 INFO L225 Difference]: With dead ends: 5713 [2024-11-07 20:39:53,459 INFO L226 Difference]: Without dead ends: 4294 [2024-11-07 20:39:53,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 273 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-07 20:39:53,461 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 63 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 406 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:53,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 406 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:39:53,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4294 states. [2024-11-07 20:39:53,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4294 to 3114. [2024-11-07 20:39:53,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3114 states, 2947 states have (on average 1.1153715643026807) internal successors, (3287), 2952 states have internal predecessors, (3287), 156 states have call successors, (156), 5 states have call predecessors, (156), 5 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-07 20:39:53,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3114 states to 3114 states and 3599 transitions. [2024-11-07 20:39:53,597 INFO L78 Accepts]: Start accepts. Automaton has 3114 states and 3599 transitions. Word has length 134 [2024-11-07 20:39:53,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:53,597 INFO L471 AbstractCegarLoop]: Abstraction has 3114 states and 3599 transitions. [2024-11-07 20:39:53,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.666666666666666) internal successors, (176), 12 states have internal predecessors, (176), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-07 20:39:53,598 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states and 3599 transitions. [2024-11-07 20:39:53,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-07 20:39:53,599 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:53,600 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:39:53,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-07 20:39:53,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-07 20:39:53,802 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:39:53,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:53,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1924404516, now seen corresponding path program 2 times [2024-11-07 20:39:53,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:53,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928128921] [2024-11-07 20:39:53,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:53,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:53,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:53,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:53,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:39:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:53,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 20:39:53,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:53,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:39:53,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:53,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 20:39:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:53,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 20:39:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:53,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 20:39:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:53,979 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 277 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-07 20:39:53,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:53,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928128921] [2024-11-07 20:39:53,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928128921] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:53,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292162200] [2024-11-07 20:39:53,979 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:39:53,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:53,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:53,982 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 20:39:53,983 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 20:39:54,030 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:39:54,030 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:39:54,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-07 20:39:54,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:54,162 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 337 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:39:54,163 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:54,394 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 277 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-07 20:39:54,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292162200] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:39:54,394 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:39:54,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 16] total 30 [2024-11-07 20:39:54,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737518565] [2024-11-07 20:39:54,395 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:54,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-07 20:39:54,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:54,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-07 20:39:54,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=631, Unknown=0, NotChecked=0, Total=870 [2024-11-07 20:39:54,396 INFO L87 Difference]: Start difference. First operand 3114 states and 3599 transitions. Second operand has 30 states, 30 states have (on average 8.633333333333333) internal successors, (259), 30 states have internal predecessors, (259), 14 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (24), 14 states have call predecessors, (24), 14 states have call successors, (24) [2024-11-07 20:39:54,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:54,959 INFO L93 Difference]: Finished difference Result 10561 states and 12323 transitions. [2024-11-07 20:39:54,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-07 20:39:54,959 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 8.633333333333333) internal successors, (259), 30 states have internal predecessors, (259), 14 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (24), 14 states have call predecessors, (24), 14 states have call successors, (24) Word has length 157 [2024-11-07 20:39:54,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:54,979 INFO L225 Difference]: With dead ends: 10561 [2024-11-07 20:39:54,979 INFO L226 Difference]: Without dead ends: 10553 [2024-11-07 20:39:54,981 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 611 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=1049, Invalid=2143, Unknown=0, NotChecked=0, Total=3192 [2024-11-07 20:39:54,981 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 291 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 615 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:54,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 615 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:39:54,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10553 states. [2024-11-07 20:39:55,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10553 to 10478. [2024-11-07 20:39:55,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10478 states, 9948 states have (on average 1.089264173703257) internal successors, (10836), 9954 states have internal predecessors, (10836), 509 states have call successors, (509), 15 states have call predecessors, (509), 15 states have return successors, (509), 508 states have call predecessors, (509), 509 states have call successors, (509) [2024-11-07 20:39:55,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10478 states to 10478 states and 11854 transitions. [2024-11-07 20:39:55,396 INFO L78 Accepts]: Start accepts. Automaton has 10478 states and 11854 transitions. Word has length 157 [2024-11-07 20:39:55,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:55,396 INFO L471 AbstractCegarLoop]: Abstraction has 10478 states and 11854 transitions. [2024-11-07 20:39:55,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 8.633333333333333) internal successors, (259), 30 states have internal predecessors, (259), 14 states have call successors, (24), 8 states have call predecessors, (24), 8 states have return successors, (24), 14 states have call predecessors, (24), 14 states have call successors, (24) [2024-11-07 20:39:55,397 INFO L276 IsEmpty]: Start isEmpty. Operand 10478 states and 11854 transitions. [2024-11-07 20:39:55,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-07 20:39:55,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:55,399 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:39:55,411 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 20:39:55,600 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,SelfDestructingSolverStorable28 [2024-11-07 20:39:55,600 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:39:55,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:55,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1924404934, now seen corresponding path program 1 times [2024-11-07 20:39:55,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:55,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543282889] [2024-11-07 20:39:55,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:55,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:55,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:39:55,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [974643194] [2024-11-07 20:39:55,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:55,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:55,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:55,615 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 20:39:55,616 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 20:39:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:55,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-07 20:39:55,671 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:56,053 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 15 proven. 289 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-07 20:39:56,053 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:56,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:56,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543282889] [2024-11-07 20:39:56,860 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:39:56,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974643194] [2024-11-07 20:39:56,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974643194] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:56,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:39:56,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2024-11-07 20:39:56,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537042740] [2024-11-07 20:39:56,860 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:56,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-07 20:39:56,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:56,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-07 20:39:56,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=360, Unknown=1, NotChecked=0, Total=420 [2024-11-07 20:39:56,861 INFO L87 Difference]: Start difference. First operand 10478 states and 11854 transitions. Second operand has 18 states, 17 states have (on average 7.411764705882353) internal successors, (126), 18 states have internal predecessors, (126), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-07 20:39:57,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:57,744 INFO L93 Difference]: Finished difference Result 11307 states and 12793 transitions. [2024-11-07 20:39:57,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 20:39:57,745 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 7.411764705882353) internal successors, (126), 18 states have internal predecessors, (126), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 157 [2024-11-07 20:39:57,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:57,764 INFO L225 Difference]: With dead ends: 11307 [2024-11-07 20:39:57,764 INFO L226 Difference]: Without dead ends: 11303 [2024-11-07 20:39:57,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=107, Invalid=542, Unknown=1, NotChecked=0, Total=650 [2024-11-07 20:39:57,767 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 83 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 1564 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 1569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1564 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:57,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 761 Invalid, 1569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1564 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 20:39:57,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11303 states. [2024-11-07 20:39:58,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11303 to 10449. [2024-11-07 20:39:58,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10449 states, 9920 states have (on average 1.0891129032258065) internal successors, (10804), 9926 states have internal predecessors, (10804), 508 states have call successors, (508), 15 states have call predecessors, (508), 15 states have return successors, (508), 507 states have call predecessors, (508), 508 states have call successors, (508) [2024-11-07 20:39:58,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10449 states to 10449 states and 11820 transitions. [2024-11-07 20:39:58,180 INFO L78 Accepts]: Start accepts. Automaton has 10449 states and 11820 transitions. Word has length 157 [2024-11-07 20:39:58,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:58,180 INFO L471 AbstractCegarLoop]: Abstraction has 10449 states and 11820 transitions. [2024-11-07 20:39:58,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 7.411764705882353) internal successors, (126), 18 states have internal predecessors, (126), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-07 20:39:58,181 INFO L276 IsEmpty]: Start isEmpty. Operand 10449 states and 11820 transitions. [2024-11-07 20:39:58,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-07 20:39:58,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:58,183 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:39:58,196 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-07 20:39:58,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:58,388 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:39:58,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:58,388 INFO L85 PathProgramCache]: Analyzing trace with hash -111175832, now seen corresponding path program 2 times [2024-11-07 20:39:58,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:58,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877155495] [2024-11-07 20:39:58,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:58,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:39:58,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [138970036] [2024-11-07 20:39:58,409 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:39:58,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:58,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:58,410 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 20:39:58,411 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 20:39:58,466 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:39:58,466 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:39:58,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-07 20:39:58,471 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:58,757 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-11-07 20:39:58,757 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:59,335 INFO L134 CoverageAnalysis]: Checked inductivity of 349 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2024-11-07 20:39:59,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:59,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877155495] [2024-11-07 20:39:59,335 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:39:59,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138970036] [2024-11-07 20:39:59,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138970036] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:39:59,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:39:59,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-07 20:39:59,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461719255] [2024-11-07 20:39:59,336 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:59,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 20:39:59,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:59,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 20:39:59,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-07 20:39:59,336 INFO L87 Difference]: Start difference. First operand 10449 states and 11820 transitions. Second operand has 14 states, 13 states have (on average 14.307692307692308) internal successors, (186), 14 states have internal predecessors, (186), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-07 20:40:00,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:00,938 INFO L93 Difference]: Finished difference Result 12941 states and 14662 transitions. [2024-11-07 20:40:00,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-07 20:40:00,939 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 14.307692307692308) internal successors, (186), 14 states have internal predecessors, (186), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) Word has length 157 [2024-11-07 20:40:00,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:00,959 INFO L225 Difference]: With dead ends: 12941 [2024-11-07 20:40:00,959 INFO L226 Difference]: Without dead ends: 12919 [2024-11-07 20:40:00,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 300 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=206, Invalid=496, Unknown=0, NotChecked=0, Total=702 [2024-11-07 20:40:00,963 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 264 mSDsluCounter, 573 mSDsCounter, 0 mSdLazyCounter, 923 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 954 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:00,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 656 Invalid, 954 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 923 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 20:40:00,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12919 states. [2024-11-07 20:40:01,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12919 to 12696. [2024-11-07 20:40:01,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12696 states, 12053 states have (on average 1.0881108437733344) internal successors, (13115), 12061 states have internal predecessors, (13115), 622 states have call successors, (622), 15 states have call predecessors, (622), 15 states have return successors, (622), 619 states have call predecessors, (622), 622 states have call successors, (622) [2024-11-07 20:40:01,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12696 states to 12696 states and 14359 transitions. [2024-11-07 20:40:01,395 INFO L78 Accepts]: Start accepts. Automaton has 12696 states and 14359 transitions. Word has length 157 [2024-11-07 20:40:01,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:01,396 INFO L471 AbstractCegarLoop]: Abstraction has 12696 states and 14359 transitions. [2024-11-07 20:40:01,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 14.307692307692308) internal successors, (186), 14 states have internal predecessors, (186), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-07 20:40:01,396 INFO L276 IsEmpty]: Start isEmpty. Operand 12696 states and 14359 transitions. [2024-11-07 20:40:01,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-07 20:40:01,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:01,398 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:01,410 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 20:40:01,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:01,602 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:40:01,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:01,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1837625658, now seen corresponding path program 3 times [2024-11-07 20:40:01,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:01,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360713346] [2024-11-07 20:40:01,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:01,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:40:01,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [340599688] [2024-11-07 20:40:01,615 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:40:01,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:01,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:01,617 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 20:40:01,618 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 20:40:01,656 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-07 20:40:01,656 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:01,657 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 20:40:01,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:01,698 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 131 proven. 8 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2024-11-07 20:40:01,698 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:01,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:01,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360713346] [2024-11-07 20:40:01,931 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:40:01,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [340599688] [2024-11-07 20:40:01,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [340599688] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:01,931 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:40:01,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-07 20:40:01,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995541082] [2024-11-07 20:40:01,931 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:01,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:40:01,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:01,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:40:01,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:40:01,932 INFO L87 Difference]: Start difference. First operand 12696 states and 14359 transitions. Second operand has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:40:02,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:02,165 INFO L93 Difference]: Finished difference Result 13478 states and 15269 transitions. [2024-11-07 20:40:02,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:40:02,165 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 157 [2024-11-07 20:40:02,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:02,177 INFO L225 Difference]: With dead ends: 13478 [2024-11-07 20:40:02,177 INFO L226 Difference]: Without dead ends: 7612 [2024-11-07 20:40:02,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:40:02,185 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 31 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:02,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 102 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:40:02,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7612 states. [2024-11-07 20:40:02,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7612 to 7599. [2024-11-07 20:40:02,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7599 states, 7202 states have (on average 1.0896973063038045) internal successors, (7848), 7211 states have internal predecessors, (7848), 376 states have call successors, (376), 15 states have call predecessors, (376), 15 states have return successors, (376), 372 states have call predecessors, (376), 376 states have call successors, (376) [2024-11-07 20:40:02,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7599 states to 7599 states and 8600 transitions. [2024-11-07 20:40:02,442 INFO L78 Accepts]: Start accepts. Automaton has 7599 states and 8600 transitions. Word has length 157 [2024-11-07 20:40:02,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:02,443 INFO L471 AbstractCegarLoop]: Abstraction has 7599 states and 8600 transitions. [2024-11-07 20:40:02,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:40:02,443 INFO L276 IsEmpty]: Start isEmpty. Operand 7599 states and 8600 transitions. [2024-11-07 20:40:02,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-07 20:40:02,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:02,446 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:02,458 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-07 20:40:02,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-07 20:40:02,646 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:40:02,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:02,646 INFO L85 PathProgramCache]: Analyzing trace with hash 2333843, now seen corresponding path program 2 times [2024-11-07 20:40:02,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:02,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532739028] [2024-11-07 20:40:02,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:02,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:02,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:02,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:02,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:40:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:02,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 20:40:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:02,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:40:02,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:02,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 20:40:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:02,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 20:40:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:02,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 20:40:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:02,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 20:40:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:02,816 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 18 proven. 431 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-07 20:40:02,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:02,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532739028] [2024-11-07 20:40:02,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532739028] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:02,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638032226] [2024-11-07 20:40:02,816 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:40:02,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:02,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:02,818 INFO L229 MonitoredProcess]: Starting monitored process 26 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 20:40:02,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-07 20:40:02,876 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:40:02,877 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:02,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-07 20:40:02,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:03,021 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 18 proven. 431 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-07 20:40:03,021 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:03,326 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 18 proven. 431 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-07 20:40:03,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638032226] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:40:03,326 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:40:03,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 22 [2024-11-07 20:40:03,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562739023] [2024-11-07 20:40:03,326 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:03,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-07 20:40:03,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:03,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-07 20:40:03,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2024-11-07 20:40:03,327 INFO L87 Difference]: Start difference. First operand 7599 states and 8600 transitions. Second operand has 23 states, 22 states have (on average 12.863636363636363) internal successors, (283), 23 states have internal predecessors, (283), 15 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) [2024-11-07 20:40:04,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:04,432 INFO L93 Difference]: Finished difference Result 9185 states and 10442 transitions. [2024-11-07 20:40:04,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-11-07 20:40:04,433 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 12.863636363636363) internal successors, (283), 23 states have internal predecessors, (283), 15 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) Word has length 182 [2024-11-07 20:40:04,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:04,448 INFO L225 Difference]: With dead ends: 9185 [2024-11-07 20:40:04,449 INFO L226 Difference]: Without dead ends: 9179 [2024-11-07 20:40:04,452 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 370 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 832 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=1046, Invalid=2260, Unknown=0, NotChecked=0, Total=3306 [2024-11-07 20:40:04,453 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 249 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:04,453 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 273 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:40:04,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9179 states. [2024-11-07 20:40:04,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9179 to 8997. [2024-11-07 20:40:04,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8997 states, 8542 states have (on average 1.0652072114258955) internal successors, (9099), 8548 states have internal predecessors, (9099), 434 states have call successors, (434), 15 states have call predecessors, (434), 15 states have return successors, (434), 433 states have call predecessors, (434), 434 states have call successors, (434) [2024-11-07 20:40:04,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8997 states to 8997 states and 9967 transitions. [2024-11-07 20:40:04,861 INFO L78 Accepts]: Start accepts. Automaton has 8997 states and 9967 transitions. Word has length 182 [2024-11-07 20:40:04,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:04,861 INFO L471 AbstractCegarLoop]: Abstraction has 8997 states and 9967 transitions. [2024-11-07 20:40:04,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 12.863636363636363) internal successors, (283), 23 states have internal predecessors, (283), 15 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) [2024-11-07 20:40:04,861 INFO L276 IsEmpty]: Start isEmpty. Operand 8997 states and 9967 transitions. [2024-11-07 20:40:04,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-07 20:40:04,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:04,864 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:04,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-07 20:40:05,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-07 20:40:05,065 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:40:05,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:05,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1047457370, now seen corresponding path program 3 times [2024-11-07 20:40:05,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:05,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973450441] [2024-11-07 20:40:05,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:05,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:05,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:05,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:05,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:05,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:40:05,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:05,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 20:40:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:05,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:40:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:05,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 20:40:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:05,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 20:40:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:05,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 20:40:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:05,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 20:40:05,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:05,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-07 20:40:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:05,249 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 177 proven. 355 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-07 20:40:05,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:05,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973450441] [2024-11-07 20:40:05,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973450441] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:05,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955114176] [2024-11-07 20:40:05,249 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:40:05,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:05,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:05,251 INFO L229 MonitoredProcess]: Starting monitored process 27 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 20:40:05,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-07 20:40:05,301 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-07 20:40:05,301 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:05,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-07 20:40:05,305 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:05,543 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 0 proven. 358 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-07 20:40:05,543 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:05,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1955114176] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:05,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:40:05,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 17 [2024-11-07 20:40:05,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389046072] [2024-11-07 20:40:05,875 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:05,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 20:40:05,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:05,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 20:40:05,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-11-07 20:40:05,876 INFO L87 Difference]: Start difference. First operand 8997 states and 9967 transitions. Second operand has 17 states, 17 states have (on average 14.294117647058824) internal successors, (243), 17 states have internal predecessors, (243), 13 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) [2024-11-07 20:40:07,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:07,071 INFO L93 Difference]: Finished difference Result 14383 states and 16151 transitions. [2024-11-07 20:40:07,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-07 20:40:07,074 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 14.294117647058824) internal successors, (243), 17 states have internal predecessors, (243), 13 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) Word has length 203 [2024-11-07 20:40:07,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:07,087 INFO L225 Difference]: With dead ends: 14383 [2024-11-07 20:40:07,087 INFO L226 Difference]: Without dead ends: 11095 [2024-11-07 20:40:07,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=223, Invalid=1417, Unknown=0, NotChecked=0, Total=1640 [2024-11-07 20:40:07,093 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 214 mSDsluCounter, 1477 mSDsCounter, 0 mSdLazyCounter, 2752 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 1665 SdHoareTripleChecker+Invalid, 2764 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:07,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 1665 Invalid, 2764 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2752 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 20:40:07,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11095 states. [2024-11-07 20:40:07,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11095 to 9974. [2024-11-07 20:40:07,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9974 states, 9469 states have (on average 1.0618861548209948) internal successors, (10055), 9475 states have internal predecessors, (10055), 484 states have call successors, (484), 15 states have call predecessors, (484), 15 states have return successors, (484), 483 states have call predecessors, (484), 484 states have call successors, (484) [2024-11-07 20:40:07,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9974 states to 9974 states and 11023 transitions. [2024-11-07 20:40:07,458 INFO L78 Accepts]: Start accepts. Automaton has 9974 states and 11023 transitions. Word has length 203 [2024-11-07 20:40:07,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:07,459 INFO L471 AbstractCegarLoop]: Abstraction has 9974 states and 11023 transitions. [2024-11-07 20:40:07,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 14.294117647058824) internal successors, (243), 17 states have internal predecessors, (243), 13 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) [2024-11-07 20:40:07,459 INFO L276 IsEmpty]: Start isEmpty. Operand 9974 states and 11023 transitions. [2024-11-07 20:40:07,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-07 20:40:07,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:07,463 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:07,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-07 20:40:07,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:07,664 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:40:07,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:07,665 INFO L85 PathProgramCache]: Analyzing trace with hash -295614854, now seen corresponding path program 2 times [2024-11-07 20:40:07,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:07,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168237919] [2024-11-07 20:40:07,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:07,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:07,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:07,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:07,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:07,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:40:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:07,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 20:40:07,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:07,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:40:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:07,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 20:40:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:07,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 20:40:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:07,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 20:40:07,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:07,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 20:40:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:07,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-07 20:40:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:07,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 20:40:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:07,804 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 644 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-07 20:40:07,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:07,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168237919] [2024-11-07 20:40:07,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168237919] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:07,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1222382150] [2024-11-07 20:40:07,805 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:40:07,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:07,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:07,807 INFO L229 MonitoredProcess]: Starting monitored process 28 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 20:40:07,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-07 20:40:07,862 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:40:07,862 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:07,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 20:40:07,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:07,995 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 644 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-07 20:40:07,995 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:08,225 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 0 proven. 644 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-07 20:40:08,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1222382150] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:40:08,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:40:08,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2024-11-07 20:40:08,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145744744] [2024-11-07 20:40:08,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:08,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-07 20:40:08,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:08,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-07 20:40:08,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-07 20:40:08,227 INFO L87 Difference]: Start difference. First operand 9974 states and 11023 transitions. Second operand has 21 states, 20 states have (on average 17.05) internal successors, (341), 21 states have internal predecessors, (341), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-07 20:40:08,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:08,732 INFO L93 Difference]: Finished difference Result 13336 states and 15212 transitions. [2024-11-07 20:40:08,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 20:40:08,733 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 17.05) internal successors, (341), 21 states have internal predecessors, (341), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) Word has length 215 [2024-11-07 20:40:08,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:08,744 INFO L225 Difference]: With dead ends: 13336 [2024-11-07 20:40:08,745 INFO L226 Difference]: Without dead ends: 13335 [2024-11-07 20:40:08,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 460 GetRequests, 441 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-07 20:40:08,746 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 166 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:08,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 321 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:40:08,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13335 states. [2024-11-07 20:40:09,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13335 to 13267. [2024-11-07 20:40:09,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13267 states, 12590 states have (on average 1.0837966640190628) internal successors, (13645), 12596 states have internal predecessors, (13645), 656 states have call successors, (656), 15 states have call predecessors, (656), 15 states have return successors, (656), 655 states have call predecessors, (656), 656 states have call successors, (656) [2024-11-07 20:40:09,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13267 states to 13267 states and 14957 transitions. [2024-11-07 20:40:09,143 INFO L78 Accepts]: Start accepts. Automaton has 13267 states and 14957 transitions. Word has length 215 [2024-11-07 20:40:09,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:09,143 INFO L471 AbstractCegarLoop]: Abstraction has 13267 states and 14957 transitions. [2024-11-07 20:40:09,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 17.05) internal successors, (341), 21 states have internal predecessors, (341), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-07 20:40:09,143 INFO L276 IsEmpty]: Start isEmpty. Operand 13267 states and 14957 transitions. [2024-11-07 20:40:09,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-07 20:40:09,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:09,146 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:09,158 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-07 20:40:09,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-07 20:40:09,347 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:40:09,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:09,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1820811666, now seen corresponding path program 2 times [2024-11-07 20:40:09,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:09,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543436419] [2024-11-07 20:40:09,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:09,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:09,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:09,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:09,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:40:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:09,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 20:40:09,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:09,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:40:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:09,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 20:40:09,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:09,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 20:40:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:09,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 20:40:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:09,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 20:40:09,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:09,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-07 20:40:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:09,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 20:40:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:09,489 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 668 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-07 20:40:09,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:09,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543436419] [2024-11-07 20:40:09,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543436419] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:09,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742688878] [2024-11-07 20:40:09,489 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:40:09,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:09,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:09,492 INFO L229 MonitoredProcess]: Starting monitored process 29 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 20:40:09,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-07 20:40:09,552 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:40:09,552 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:09,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 20:40:09,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:09,671 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 668 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-07 20:40:09,671 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:09,881 INFO L134 CoverageAnalysis]: Checked inductivity of 816 backedges. 0 proven. 668 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-07 20:40:09,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1742688878] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:40:09,881 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:40:09,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2024-11-07 20:40:09,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127921983] [2024-11-07 20:40:09,881 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:09,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-07 20:40:09,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:09,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-07 20:40:09,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-07 20:40:09,882 INFO L87 Difference]: Start difference. First operand 13267 states and 14957 transitions. Second operand has 21 states, 20 states have (on average 17.35) internal successors, (347), 21 states have internal predecessors, (347), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-07 20:40:10,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:10,516 INFO L93 Difference]: Finished difference Result 18227 states and 20879 transitions. [2024-11-07 20:40:10,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 20:40:10,517 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 17.35) internal successors, (347), 21 states have internal predecessors, (347), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) Word has length 218 [2024-11-07 20:40:10,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:10,536 INFO L225 Difference]: With dead ends: 18227 [2024-11-07 20:40:10,537 INFO L226 Difference]: Without dead ends: 18226 [2024-11-07 20:40:10,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 447 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-07 20:40:10,542 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 662 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 662 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:10,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [662 Valid, 407 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:40:10,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18226 states. [2024-11-07 20:40:11,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18226 to 18108. [2024-11-07 20:40:11,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18108 states, 17176 states have (on average 1.1013623660922216) internal successors, (18917), 17181 states have internal predecessors, (18917), 911 states have call successors, (911), 15 states have call predecessors, (911), 15 states have return successors, (911), 911 states have call predecessors, (911), 911 states have call successors, (911) [2024-11-07 20:40:11,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18108 states to 18108 states and 20739 transitions. [2024-11-07 20:40:11,265 INFO L78 Accepts]: Start accepts. Automaton has 18108 states and 20739 transitions. Word has length 218 [2024-11-07 20:40:11,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:11,265 INFO L471 AbstractCegarLoop]: Abstraction has 18108 states and 20739 transitions. [2024-11-07 20:40:11,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 17.35) internal successors, (347), 21 states have internal predecessors, (347), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-07 20:40:11,265 INFO L276 IsEmpty]: Start isEmpty. Operand 18108 states and 20739 transitions. [2024-11-07 20:40:11,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2024-11-07 20:40:11,268 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:11,268 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:11,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-07 20:40:11,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-07 20:40:11,472 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:40:11,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:11,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1266803891, now seen corresponding path program 4 times [2024-11-07 20:40:11,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:11,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734842076] [2024-11-07 20:40:11,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:11,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:40:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 20:40:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:40:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 20:40:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 20:40:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 20:40:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 20:40:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-07 20:40:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 20:40:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,616 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 183 proven. 499 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-07 20:40:11,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:11,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734842076] [2024-11-07 20:40:11,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734842076] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:11,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065950912] [2024-11-07 20:40:11,616 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-07 20:40:11,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:11,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:11,618 INFO L229 MonitoredProcess]: Starting monitored process 30 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 20:40:11,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-07 20:40:11,684 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-07 20:40:11,684 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:11,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-07 20:40:11,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:11,915 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 232 proven. 450 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-07 20:40:11,916 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:12,123 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 232 proven. 450 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-07 20:40:12,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065950912] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:40:12,123 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:40:12,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 18 [2024-11-07 20:40:12,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780708917] [2024-11-07 20:40:12,124 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:12,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-07 20:40:12,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:12,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-07 20:40:12,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2024-11-07 20:40:12,125 INFO L87 Difference]: Start difference. First operand 18108 states and 20739 transitions. Second operand has 18 states, 18 states have (on average 15.777777777777779) internal successors, (284), 18 states have internal predecessors, (284), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2024-11-07 20:40:13,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:13,003 INFO L93 Difference]: Finished difference Result 32340 states and 37799 transitions. [2024-11-07 20:40:13,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 20:40:13,004 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 15.777777777777779) internal successors, (284), 18 states have internal predecessors, (284), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) Word has length 226 [2024-11-07 20:40:13,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:13,031 INFO L225 Difference]: With dead ends: 32340 [2024-11-07 20:40:13,031 INFO L226 Difference]: Without dead ends: 24171 [2024-11-07 20:40:13,045 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 459 SyntacticMatches, 9 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2024-11-07 20:40:13,045 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 115 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 730 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:13,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 730 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 951 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:40:13,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24171 states. [2024-11-07 20:40:13,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24171 to 17991. [2024-11-07 20:40:13,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17991 states, 17064 states have (on average 1.099566338490389) internal successors, (18763), 17069 states have internal predecessors, (18763), 906 states have call successors, (906), 15 states have call predecessors, (906), 15 states have return successors, (906), 906 states have call predecessors, (906), 906 states have call successors, (906) [2024-11-07 20:40:13,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17991 states to 17991 states and 20575 transitions. [2024-11-07 20:40:13,650 INFO L78 Accepts]: Start accepts. Automaton has 17991 states and 20575 transitions. Word has length 226 [2024-11-07 20:40:13,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:13,650 INFO L471 AbstractCegarLoop]: Abstraction has 17991 states and 20575 transitions. [2024-11-07 20:40:13,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 15.777777777777779) internal successors, (284), 18 states have internal predecessors, (284), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2024-11-07 20:40:13,650 INFO L276 IsEmpty]: Start isEmpty. Operand 17991 states and 20575 transitions. [2024-11-07 20:40:13,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2024-11-07 20:40:13,653 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:13,653 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:13,665 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-07 20:40:13,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:13,854 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:40:13,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:13,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1469582586, now seen corresponding path program 5 times [2024-11-07 20:40:13,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:13,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593105367] [2024-11-07 20:40:13,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:13,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:40:13,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [658896603] [2024-11-07 20:40:13,873 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-07 20:40:13,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:13,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:13,875 INFO L229 MonitoredProcess]: Starting monitored process 31 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 20:40:13,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-07 20:40:13,952 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-11-07 20:40:13,952 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:13,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-07 20:40:13,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:14,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 15 proven. 863 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-07 20:40:14,529 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:14,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:14,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593105367] [2024-11-07 20:40:14,888 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:40:14,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658896603] [2024-11-07 20:40:14,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658896603] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:14,888 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:40:14,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2024-11-07 20:40:14,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869394308] [2024-11-07 20:40:14,888 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:14,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-07 20:40:14,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:14,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-07 20:40:14,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=559, Unknown=0, NotChecked=0, Total=650 [2024-11-07 20:40:14,889 INFO L87 Difference]: Start difference. First operand 17991 states and 20575 transitions. Second operand has 23 states, 22 states have (on average 9.0) internal successors, (198), 23 states have internal predecessors, (198), 11 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2024-11-07 20:40:16,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:16,013 INFO L93 Difference]: Finished difference Result 24747 states and 28650 transitions. [2024-11-07 20:40:16,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-07 20:40:16,014 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 9.0) internal successors, (198), 23 states have internal predecessors, (198), 11 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) Word has length 249 [2024-11-07 20:40:16,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:16,033 INFO L225 Difference]: With dead ends: 24747 [2024-11-07 20:40:16,033 INFO L226 Difference]: Without dead ends: 18182 [2024-11-07 20:40:16,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=602, Unknown=0, NotChecked=0, Total=702 [2024-11-07 20:40:16,044 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 27 mSDsluCounter, 1148 mSDsCounter, 0 mSdLazyCounter, 2472 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 1252 SdHoareTripleChecker+Invalid, 2473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:16,045 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 1252 Invalid, 2473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2472 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 20:40:16,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18182 states. [2024-11-07 20:40:16,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18182 to 17903. [2024-11-07 20:40:16,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17903 states, 16980 states have (on average 1.0997055359246173) internal successors, (18673), 16985 states have internal predecessors, (18673), 902 states have call successors, (902), 15 states have call predecessors, (902), 15 states have return successors, (902), 902 states have call predecessors, (902), 902 states have call successors, (902) [2024-11-07 20:40:16,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17903 states to 17903 states and 20477 transitions. [2024-11-07 20:40:16,649 INFO L78 Accepts]: Start accepts. Automaton has 17903 states and 20477 transitions. Word has length 249 [2024-11-07 20:40:16,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:16,650 INFO L471 AbstractCegarLoop]: Abstraction has 17903 states and 20477 transitions. [2024-11-07 20:40:16,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 9.0) internal successors, (198), 23 states have internal predecessors, (198), 11 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2024-11-07 20:40:16,650 INFO L276 IsEmpty]: Start isEmpty. Operand 17903 states and 20477 transitions. [2024-11-07 20:40:16,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2024-11-07 20:40:16,654 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:16,654 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:16,667 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-07 20:40:16,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-07 20:40:16,855 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:40:16,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:16,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1671997657, now seen corresponding path program 6 times [2024-11-07 20:40:16,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:16,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007749260] [2024-11-07 20:40:16,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:16,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:17,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:17,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:17,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:40:17,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:17,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 20:40:17,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:17,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:40:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:17,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 20:40:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:17,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 20:40:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:17,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 20:40:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:17,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 20:40:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:17,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-07 20:40:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:17,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 20:40:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:17,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 20:40:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:17,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 20:40:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:17,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1263 backedges. 269 proven. 770 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-07 20:40:17,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:17,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007749260] [2024-11-07 20:40:17,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007749260] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:17,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130798901] [2024-11-07 20:40:17,057 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-07 20:40:17,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:17,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:17,059 INFO L229 MonitoredProcess]: Starting monitored process 32 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 20:40:17,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-07 20:40:17,176 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2024-11-07 20:40:17,176 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:17,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 20:40:17,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:17,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1263 backedges. 335 proven. 704 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-07 20:40:17,428 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:17,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1263 backedges. 335 proven. 704 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-07 20:40:17,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130798901] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:40:17,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:40:17,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 21 [2024-11-07 20:40:17,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772728740] [2024-11-07 20:40:17,654 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:17,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-07 20:40:17,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:17,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-07 20:40:17,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2024-11-07 20:40:17,655 INFO L87 Difference]: Start difference. First operand 17903 states and 20477 transitions. Second operand has 21 states, 21 states have (on average 16.095238095238095) internal successors, (338), 21 states have internal predecessors, (338), 19 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 19 states have call predecessors, (20), 19 states have call successors, (20) [2024-11-07 20:40:19,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:19,052 INFO L93 Difference]: Finished difference Result 33811 states and 39479 transitions. [2024-11-07 20:40:19,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 20:40:19,053 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 16.095238095238095) internal successors, (338), 21 states have internal predecessors, (338), 19 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 19 states have call predecessors, (20), 19 states have call successors, (20) Word has length 272 [2024-11-07 20:40:19,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:19,090 INFO L225 Difference]: With dead ends: 33811 [2024-11-07 20:40:19,090 INFO L226 Difference]: Without dead ends: 26055 [2024-11-07 20:40:19,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 587 GetRequests, 552 SyntacticMatches, 11 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=163, Invalid=487, Unknown=0, NotChecked=0, Total=650 [2024-11-07 20:40:19,105 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 138 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 985 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:19,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 734 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 985 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:40:19,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26055 states. [2024-11-07 20:40:19,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26055 to 19970. [2024-11-07 20:40:19,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19970 states, 18940 states have (on average 1.0988384371700106) internal successors, (20812), 18945 states have internal predecessors, (20812), 1009 states have call successors, (1009), 15 states have call predecessors, (1009), 15 states have return successors, (1009), 1009 states have call predecessors, (1009), 1009 states have call successors, (1009) [2024-11-07 20:40:19,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19970 states to 19970 states and 22830 transitions. [2024-11-07 20:40:19,885 INFO L78 Accepts]: Start accepts. Automaton has 19970 states and 22830 transitions. Word has length 272 [2024-11-07 20:40:19,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:19,885 INFO L471 AbstractCegarLoop]: Abstraction has 19970 states and 22830 transitions. [2024-11-07 20:40:19,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 16.095238095238095) internal successors, (338), 21 states have internal predecessors, (338), 19 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 19 states have call predecessors, (20), 19 states have call successors, (20) [2024-11-07 20:40:19,885 INFO L276 IsEmpty]: Start isEmpty. Operand 19970 states and 22830 transitions. [2024-11-07 20:40:19,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-07 20:40:19,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:19,891 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:19,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-07 20:40:20,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-07 20:40:20,092 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:40:20,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:20,092 INFO L85 PathProgramCache]: Analyzing trace with hash 440860178, now seen corresponding path program 7 times [2024-11-07 20:40:20,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:20,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784035791] [2024-11-07 20:40:20,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:20,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:40:20,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1568390477] [2024-11-07 20:40:20,118 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-07 20:40:20,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:20,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:20,120 INFO L229 MonitoredProcess]: Starting monitored process 33 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 20:40:20,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-07 20:40:20,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:20,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-07 20:40:20,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:20,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1514 backedges. 33 proven. 1246 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-07 20:40:20,925 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:21,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:21,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784035791] [2024-11-07 20:40:21,436 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:40:21,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568390477] [2024-11-07 20:40:21,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1568390477] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:21,436 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:40:21,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2024-11-07 20:40:21,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380555490] [2024-11-07 20:40:21,436 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:21,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-07 20:40:21,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:21,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-07 20:40:21,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=958, Unknown=0, NotChecked=0, Total=1056 [2024-11-07 20:40:21,437 INFO L87 Difference]: Start difference. First operand 19970 states and 22830 transitions. Second operand has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 13 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) [2024-11-07 20:40:23,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:23,159 INFO L93 Difference]: Finished difference Result 20573 states and 23544 transitions. [2024-11-07 20:40:23,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-07 20:40:23,160 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 13 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) Word has length 295 [2024-11-07 20:40:23,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:23,183 INFO L225 Difference]: With dead ends: 20573 [2024-11-07 20:40:23,183 INFO L226 Difference]: Without dead ends: 20569 [2024-11-07 20:40:23,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=206, Invalid=1686, Unknown=0, NotChecked=0, Total=1892 [2024-11-07 20:40:23,190 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 194 mSDsluCounter, 1558 mSDsCounter, 0 mSdLazyCounter, 3948 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 1663 SdHoareTripleChecker+Invalid, 3962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 3948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:23,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 1663 Invalid, 3962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 3948 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 20:40:23,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20569 states. [2024-11-07 20:40:23,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20569 to 20186. [2024-11-07 20:40:23,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20186 states, 19145 states have (on average 1.099347088012536) internal successors, (21047), 19150 states have internal predecessors, (21047), 1020 states have call successors, (1020), 15 states have call predecessors, (1020), 15 states have return successors, (1020), 1020 states have call predecessors, (1020), 1020 states have call successors, (1020) [2024-11-07 20:40:23,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20186 states to 20186 states and 23087 transitions. [2024-11-07 20:40:23,858 INFO L78 Accepts]: Start accepts. Automaton has 20186 states and 23087 transitions. Word has length 295 [2024-11-07 20:40:23,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:23,859 INFO L471 AbstractCegarLoop]: Abstraction has 20186 states and 23087 transitions. [2024-11-07 20:40:23,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.068965517241379) internal successors, (234), 30 states have internal predecessors, (234), 13 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) [2024-11-07 20:40:23,859 INFO L276 IsEmpty]: Start isEmpty. Operand 20186 states and 23087 transitions. [2024-11-07 20:40:23,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2024-11-07 20:40:23,865 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:23,865 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:23,878 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-07 20:40:24,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-07 20:40:24,066 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:40:24,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:24,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1850685734, now seen corresponding path program 8 times [2024-11-07 20:40:24,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:24,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028254428] [2024-11-07 20:40:24,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:24,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:40:24,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1242261950] [2024-11-07 20:40:24,091 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:40:24,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:24,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:24,095 INFO L229 MonitoredProcess]: Starting monitored process 34 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 20:40:24,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-07 20:40:24,165 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:40:24,165 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:24,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-07 20:40:24,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:24,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1466 backedges. 0 proven. 1051 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2024-11-07 20:40:24,566 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:32,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:32,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028254428] [2024-11-07 20:40:32,589 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:40:32,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242261950] [2024-11-07 20:40:32,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242261950] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:32,589 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:40:32,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-07 20:40:32,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895025797] [2024-11-07 20:40:32,589 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:32,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 20:40:32,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:32,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 20:40:32,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=175, Unknown=2, NotChecked=0, Total=240 [2024-11-07 20:40:32,589 INFO L87 Difference]: Start difference. First operand 20186 states and 23087 transitions. Second operand has 10 states, 9 states have (on average 15.333333333333334) internal successors, (138), 10 states have internal predecessors, (138), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-07 20:40:33,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:33,376 INFO L93 Difference]: Finished difference Result 22392 states and 25628 transitions. [2024-11-07 20:40:33,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:40:33,377 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.333333333333334) internal successors, (138), 10 states have internal predecessors, (138), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 295 [2024-11-07 20:40:33,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:33,401 INFO L225 Difference]: With dead ends: 22392 [2024-11-07 20:40:33,401 INFO L226 Difference]: Without dead ends: 22388 [2024-11-07 20:40:33,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 502 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=63, Invalid=175, Unknown=2, NotChecked=0, Total=240 [2024-11-07 20:40:33,406 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 37 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:33,406 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 581 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:40:33,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22388 states. [2024-11-07 20:40:34,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22388 to 21644. [2024-11-07 20:40:34,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21644 states, 20532 states have (on average 1.099162283265147) internal successors, (22568), 20537 states have internal predecessors, (22568), 1091 states have call successors, (1091), 15 states have call predecessors, (1091), 15 states have return successors, (1091), 1091 states have call predecessors, (1091), 1091 states have call successors, (1091) [2024-11-07 20:40:34,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21644 states to 21644 states and 24750 transitions. [2024-11-07 20:40:34,073 INFO L78 Accepts]: Start accepts. Automaton has 21644 states and 24750 transitions. Word has length 295 [2024-11-07 20:40:34,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:34,073 INFO L471 AbstractCegarLoop]: Abstraction has 21644 states and 24750 transitions. [2024-11-07 20:40:34,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.333333333333334) internal successors, (138), 10 states have internal predecessors, (138), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-07 20:40:34,073 INFO L276 IsEmpty]: Start isEmpty. Operand 21644 states and 24750 transitions. [2024-11-07 20:40:34,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2024-11-07 20:40:34,081 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:34,081 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:34,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-07 20:40:34,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:34,282 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:40:34,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:34,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1604735091, now seen corresponding path program 9 times [2024-11-07 20:40:34,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:34,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453610693] [2024-11-07 20:40:34,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:34,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:34,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:34,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:34,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:40:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:34,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 20:40:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:34,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:40:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:34,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 20:40:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:34,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 20:40:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:34,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 20:40:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:34,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 20:40:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:34,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-07 20:40:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:34,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 20:40:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:34,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 20:40:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:34,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 20:40:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:34,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-07 20:40:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:34,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-07 20:40:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:34,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1788 backedges. 374 proven. 1098 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-11-07 20:40:34,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:34,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453610693] [2024-11-07 20:40:34,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453610693] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:34,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341873213] [2024-11-07 20:40:34,566 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:40:34,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:34,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:34,568 INFO L229 MonitoredProcess]: Starting monitored process 35 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 20:40:34,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-07 20:40:34,632 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-07 20:40:34,632 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:34,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-07 20:40:34,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:34,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1788 backedges. 0 proven. 1097 refuted. 0 times theorem prover too weak. 691 trivial. 0 not checked. [2024-11-07 20:40:34,978 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:39,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341873213] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:39,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:40:39,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 10] total 25 [2024-11-07 20:40:39,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746170050] [2024-11-07 20:40:39,403 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:39,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-07 20:40:39,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:39,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-07 20:40:39,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=644, Unknown=1, NotChecked=0, Total=756 [2024-11-07 20:40:39,404 INFO L87 Difference]: Start difference. First operand 21644 states and 24750 transitions. Second operand has 25 states, 25 states have (on average 15.48) internal successors, (387), 25 states have internal predecessors, (387), 21 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-07 20:40:41,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:41,924 INFO L93 Difference]: Finished difference Result 38411 states and 44763 transitions. [2024-11-07 20:40:41,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-11-07 20:40:41,924 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 15.48) internal successors, (387), 25 states have internal predecessors, (387), 21 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) Word has length 318 [2024-11-07 20:40:41,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:41,953 INFO L225 Difference]: With dead ends: 38411 [2024-11-07 20:40:41,953 INFO L226 Difference]: Without dead ends: 30412 [2024-11-07 20:40:41,962 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 794 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=457, Invalid=3202, Unknown=1, NotChecked=0, Total=3660 [2024-11-07 20:40:41,963 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 416 mSDsluCounter, 2485 mSDsCounter, 0 mSdLazyCounter, 4624 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 2757 SdHoareTripleChecker+Invalid, 4642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 4624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:41,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 2757 Invalid, 4642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 4624 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-07 20:40:41,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30412 states. [2024-11-07 20:40:42,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30412 to 24083. [2024-11-07 20:40:42,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24083 states, 22840 states have (on average 1.0998248686514887) internal successors, (25120), 22845 states have internal predecessors, (25120), 1222 states have call successors, (1222), 15 states have call predecessors, (1222), 15 states have return successors, (1222), 1222 states have call predecessors, (1222), 1222 states have call successors, (1222) [2024-11-07 20:40:42,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24083 states to 24083 states and 27564 transitions. [2024-11-07 20:40:42,742 INFO L78 Accepts]: Start accepts. Automaton has 24083 states and 27564 transitions. Word has length 318 [2024-11-07 20:40:42,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:42,742 INFO L471 AbstractCegarLoop]: Abstraction has 24083 states and 27564 transitions. [2024-11-07 20:40:42,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 15.48) internal successors, (387), 25 states have internal predecessors, (387), 21 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-07 20:40:42,742 INFO L276 IsEmpty]: Start isEmpty. Operand 24083 states and 27564 transitions. [2024-11-07 20:40:42,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2024-11-07 20:40:42,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:42,750 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:42,762 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-07 20:40:42,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,35 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:42,954 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:40:42,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:42,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1280406649, now seen corresponding path program 10 times [2024-11-07 20:40:42,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:42,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327907014] [2024-11-07 20:40:42,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:42,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:43,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:43,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:43,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:40:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:43,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 20:40:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:43,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:40:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:43,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 20:40:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:43,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 20:40:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:43,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 20:40:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:43,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 20:40:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:43,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-07 20:40:43,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:43,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 20:40:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:43,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 20:40:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:43,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 20:40:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:43,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-07 20:40:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:43,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-07 20:40:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:43,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1732 backedges. 834 proven. 285 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2024-11-07 20:40:43,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:43,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327907014] [2024-11-07 20:40:43,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327907014] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:43,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981166978] [2024-11-07 20:40:43,165 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-07 20:40:43,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:43,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:43,167 INFO L229 MonitoredProcess]: Starting monitored process 36 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 20:40:43,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-07 20:40:43,243 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-07 20:40:43,243 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:43,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:40:43,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:43,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1732 backedges. 1034 proven. 253 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2024-11-07 20:40:43,402 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:43,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1732 backedges. 866 proven. 253 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2024-11-07 20:40:43,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981166978] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:40:43,551 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:40:43,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 15 [2024-11-07 20:40:43,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515703667] [2024-11-07 20:40:43,551 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:43,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 20:40:43,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:43,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 20:40:43,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-07 20:40:43,552 INFO L87 Difference]: Start difference. First operand 24083 states and 27564 transitions. Second operand has 15 states, 15 states have (on average 16.466666666666665) internal successors, (247), 15 states have internal predecessors, (247), 14 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 14 states have call predecessors, (16), 14 states have call successors, (16) [2024-11-07 20:40:44,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:44,674 INFO L93 Difference]: Finished difference Result 44332 states and 51591 transitions. [2024-11-07 20:40:44,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 20:40:44,674 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 16.466666666666665) internal successors, (247), 15 states have internal predecessors, (247), 14 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 14 states have call predecessors, (16), 14 states have call successors, (16) Word has length 318 [2024-11-07 20:40:44,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:44,707 INFO L225 Difference]: With dead ends: 44332 [2024-11-07 20:40:44,707 INFO L226 Difference]: Without dead ends: 30944 [2024-11-07 20:40:44,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 677 GetRequests, 654 SyntacticMatches, 7 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2024-11-07 20:40:44,717 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 89 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:44,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 558 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:40:44,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30944 states. [2024-11-07 20:40:45,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30944 to 24702. [2024-11-07 20:40:45,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24702 states, 23424 states have (on average 1.1005379098360655) internal successors, (25779), 23429 states have internal predecessors, (25779), 1257 states have call successors, (1257), 15 states have call predecessors, (1257), 15 states have return successors, (1257), 1257 states have call predecessors, (1257), 1257 states have call successors, (1257) [2024-11-07 20:40:45,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24702 states to 24702 states and 28293 transitions. [2024-11-07 20:40:45,523 INFO L78 Accepts]: Start accepts. Automaton has 24702 states and 28293 transitions. Word has length 318 [2024-11-07 20:40:45,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:45,523 INFO L471 AbstractCegarLoop]: Abstraction has 24702 states and 28293 transitions. [2024-11-07 20:40:45,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 16.466666666666665) internal successors, (247), 15 states have internal predecessors, (247), 14 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 14 states have call predecessors, (16), 14 states have call successors, (16) [2024-11-07 20:40:45,523 INFO L276 IsEmpty]: Start isEmpty. Operand 24702 states and 28293 transitions. [2024-11-07 20:40:45,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2024-11-07 20:40:45,533 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:45,533 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:45,546 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-11-07 20:40:45,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,36 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:45,734 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:40:45,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:45,734 INFO L85 PathProgramCache]: Analyzing trace with hash -744075868, now seen corresponding path program 3 times [2024-11-07 20:40:45,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:45,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144216131] [2024-11-07 20:40:45,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:45,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:46,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:46,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:46,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:40:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:46,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 20:40:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:46,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:40:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:46,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 20:40:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:46,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 20:40:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:46,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 20:40:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:46,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 20:40:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:46,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-07 20:40:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:46,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 20:40:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:46,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 20:40:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:46,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 20:40:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:46,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-07 20:40:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:46,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-07 20:40:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:46,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-07 20:40:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:46,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2057 backedges. 0 proven. 1689 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-11-07 20:40:46,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:46,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144216131] [2024-11-07 20:40:46,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144216131] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:46,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587128536] [2024-11-07 20:40:46,342 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:40:46,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:46,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:46,344 INFO L229 MonitoredProcess]: Starting monitored process 37 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 20:40:46,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-07 20:40:46,411 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-07 20:40:46,411 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:46,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-07 20:40:46,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:46,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2057 backedges. 0 proven. 1314 refuted. 0 times theorem prover too weak. 743 trivial. 0 not checked. [2024-11-07 20:40:46,915 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:47,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [587128536] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:47,347 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:40:47,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 11] total 42 [2024-11-07 20:40:47,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345292110] [2024-11-07 20:40:47,347 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:47,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-11-07 20:40:47,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:47,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-11-07 20:40:47,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=310, Invalid=1670, Unknown=0, NotChecked=0, Total=1980 [2024-11-07 20:40:47,349 INFO L87 Difference]: Start difference. First operand 24702 states and 28293 transitions. Second operand has 42 states, 42 states have (on average 10.119047619047619) internal successors, (425), 42 states have internal predecessors, (425), 24 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 24 states have call predecessors, (26), 24 states have call successors, (26) [2024-11-07 20:40:56,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:56,558 INFO L93 Difference]: Finished difference Result 32457 states and 37516 transitions. [2024-11-07 20:40:56,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 358 states. [2024-11-07 20:40:56,558 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 10.119047619047619) internal successors, (425), 42 states have internal predecessors, (425), 24 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 24 states have call predecessors, (26), 24 states have call successors, (26) Word has length 341 [2024-11-07 20:40:56,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:56,588 INFO L225 Difference]: With dead ends: 32457 [2024-11-07 20:40:56,589 INFO L226 Difference]: Without dead ends: 26090 [2024-11-07 20:40:56,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 748 GetRequests, 375 SyntacticMatches, 0 SemanticMatches, 373 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56730 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=11455, Invalid=128795, Unknown=0, NotChecked=0, Total=140250 [2024-11-07 20:40:56,610 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 855 mSDsluCounter, 1526 mSDsCounter, 0 mSdLazyCounter, 5583 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 856 SdHoareTripleChecker+Valid, 1613 SdHoareTripleChecker+Invalid, 5660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 5583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:56,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [856 Valid, 1613 Invalid, 5660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 5583 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-07 20:40:56,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26090 states. [2024-11-07 20:40:57,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26090 to 24724. [2024-11-07 20:40:57,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24724 states, 23443 states have (on average 1.1004137695687413) internal successors, (25797), 23450 states have internal predecessors, (25797), 1259 states have call successors, (1259), 16 states have call predecessors, (1259), 16 states have return successors, (1259), 1257 states have call predecessors, (1259), 1259 states have call successors, (1259) [2024-11-07 20:40:57,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24724 states to 24724 states and 28315 transitions. [2024-11-07 20:40:57,527 INFO L78 Accepts]: Start accepts. Automaton has 24724 states and 28315 transitions. Word has length 341 [2024-11-07 20:40:57,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:57,527 INFO L471 AbstractCegarLoop]: Abstraction has 24724 states and 28315 transitions. [2024-11-07 20:40:57,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 10.119047619047619) internal successors, (425), 42 states have internal predecessors, (425), 24 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 24 states have call predecessors, (26), 24 states have call successors, (26) [2024-11-07 20:40:57,527 INFO L276 IsEmpty]: Start isEmpty. Operand 24724 states and 28315 transitions. [2024-11-07 20:40:57,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2024-11-07 20:40:57,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:57,536 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 12, 12, 12, 12, 12, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:57,548 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-07 20:40:57,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,37 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:57,737 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:40:57,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:57,737 INFO L85 PathProgramCache]: Analyzing trace with hash -2020144837, now seen corresponding path program 4 times [2024-11-07 20:40:57,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:57,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452892459] [2024-11-07 20:40:57,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:57,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:58,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:40:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 20:40:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:40:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 20:40:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-07 20:40:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-07 20:40:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-07 20:40:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-07 20:40:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 20:40:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 20:40:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-07 20:40:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-11-07 20:40:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-11-07 20:40:58,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2024-11-07 20:40:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2024-11-07 20:40:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2335 backedges. 0 proven. 1911 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-07 20:40:58,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:58,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452892459] [2024-11-07 20:40:58,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452892459] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:58,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066600405] [2024-11-07 20:40:58,306 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-07 20:40:58,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:58,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:58,307 INFO L229 MonitoredProcess]: Starting monitored process 38 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 20:40:58,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-07 20:40:58,377 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-07 20:40:58,378 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:58,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-07 20:40:58,382 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:58,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2335 backedges. 0 proven. 2331 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:40:58,620 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:59,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2335 backedges. 0 proven. 1911 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-07 20:40:59,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066600405] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:40:59,172 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:40:59,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 33, 34] total 42 [2024-11-07 20:40:59,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052176007] [2024-11-07 20:40:59,172 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:59,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-11-07 20:40:59,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:59,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-11-07 20:40:59,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=461, Invalid=1261, Unknown=0, NotChecked=0, Total=1722 [2024-11-07 20:40:59,173 INFO L87 Difference]: Start difference. First operand 24724 states and 28315 transitions. Second operand has 42 states, 42 states have (on average 10.357142857142858) internal successors, (435), 42 states have internal predecessors, (435), 20 states have call successors, (40), 17 states have call predecessors, (40), 17 states have return successors, (40), 20 states have call predecessors, (40), 20 states have call successors, (40) [2024-11-07 20:41:00,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:41:00,885 INFO L93 Difference]: Finished difference Result 36803 states and 42144 transitions. [2024-11-07 20:41:00,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-11-07 20:41:00,886 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 42 states have (on average 10.357142857142858) internal successors, (435), 42 states have internal predecessors, (435), 20 states have call successors, (40), 17 states have call predecessors, (40), 17 states have return successors, (40), 20 states have call predecessors, (40), 20 states have call successors, (40) Word has length 364 [2024-11-07 20:41:00,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:41:00,918 INFO L225 Difference]: With dead ends: 36803 [2024-11-07 20:41:00,918 INFO L226 Difference]: Without dead ends: 36795 [2024-11-07 20:41:00,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 832 GetRequests, 729 SyntacticMatches, 24 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1805 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=2099, Invalid=4381, Unknown=0, NotChecked=0, Total=6480 [2024-11-07 20:41:00,925 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 282 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 613 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:41:00,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 613 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:41:00,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36795 states. [2024-11-07 20:41:02,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36795 to 36545. [2024-11-07 20:41:02,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36545 states, 34675 states have (on average 1.0827974044700792) internal successors, (37546), 34684 states have internal predecessors, (37546), 1843 states have call successors, (1843), 21 states have call predecessors, (1843), 21 states have return successors, (1843), 1839 states have call predecessors, (1843), 1843 states have call successors, (1843) [2024-11-07 20:41:02,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36545 states to 36545 states and 41232 transitions. [2024-11-07 20:41:02,211 INFO L78 Accepts]: Start accepts. Automaton has 36545 states and 41232 transitions. Word has length 364 [2024-11-07 20:41:02,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:41:02,211 INFO L471 AbstractCegarLoop]: Abstraction has 36545 states and 41232 transitions. [2024-11-07 20:41:02,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 10.357142857142858) internal successors, (435), 42 states have internal predecessors, (435), 20 states have call successors, (40), 17 states have call predecessors, (40), 17 states have return successors, (40), 20 states have call predecessors, (40), 20 states have call successors, (40) [2024-11-07 20:41:02,212 INFO L276 IsEmpty]: Start isEmpty. Operand 36545 states and 41232 transitions. [2024-11-07 20:41:02,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2024-11-07 20:41:02,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:41:02,220 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 12, 12, 12, 12, 12, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:41:02,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-11-07 20:41:02,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,38 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:41:02,421 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:41:02,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:41:02,421 INFO L85 PathProgramCache]: Analyzing trace with hash -2020144419, now seen corresponding path program 11 times [2024-11-07 20:41:02,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:41:02,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054365499] [2024-11-07 20:41:02,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:41:02,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:41:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:41:02,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1947782938] [2024-11-07 20:41:02,442 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-07 20:41:02,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:41:02,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:41:02,444 INFO L229 MonitoredProcess]: Starting monitored process 39 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 20:41:02,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-07 20:41:02,538 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-11-07 20:41:02,538 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:41:02,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-11-07 20:41:02,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:41:03,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2365 backedges. 42 proven. 1847 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2024-11-07 20:41:03,751 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:41:04,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:41:04,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054365499] [2024-11-07 20:41:04,144 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:41:04,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1947782938] [2024-11-07 20:41:04,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1947782938] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:41:04,144 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:41:04,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2024-11-07 20:41:04,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558842990] [2024-11-07 20:41:04,144 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:41:04,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-07 20:41:04,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:41:04,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-07 20:41:04,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=878, Unknown=0, NotChecked=0, Total=992 [2024-11-07 20:41:04,145 INFO L87 Difference]: Start difference. First operand 36545 states and 41232 transitions. Second operand has 30 states, 29 states have (on average 7.9655172413793105) internal successors, (231), 30 states have internal predecessors, (231), 13 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 12 states have call predecessors, (14), 13 states have call successors, (14) [2024-11-07 20:41:06,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:41:06,375 INFO L93 Difference]: Finished difference Result 37156 states and 41942 transitions. [2024-11-07 20:41:06,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-07 20:41:06,375 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 7.9655172413793105) internal successors, (231), 30 states have internal predecessors, (231), 13 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 12 states have call predecessors, (14), 13 states have call successors, (14) Word has length 364 [2024-11-07 20:41:06,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:41:06,415 INFO L225 Difference]: With dead ends: 37156 [2024-11-07 20:41:06,416 INFO L226 Difference]: Without dead ends: 37155 [2024-11-07 20:41:06,421 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=279, Invalid=1701, Unknown=0, NotChecked=0, Total=1980 [2024-11-07 20:41:06,421 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 39 mSDsluCounter, 1186 mSDsCounter, 0 mSdLazyCounter, 2938 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 1277 SdHoareTripleChecker+Invalid, 2940 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2938 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 20:41:06,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 1277 Invalid, 2940 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2938 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 20:41:06,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37155 states. [2024-11-07 20:41:07,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37155 to 36516. [2024-11-07 20:41:07,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36516 states, 34647 states have (on average 1.0827488671457846) internal successors, (37514), 34656 states have internal predecessors, (37514), 1842 states have call successors, (1842), 21 states have call predecessors, (1842), 21 states have return successors, (1842), 1838 states have call predecessors, (1842), 1842 states have call successors, (1842) [2024-11-07 20:41:07,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36516 states to 36516 states and 41198 transitions. [2024-11-07 20:41:08,000 INFO L78 Accepts]: Start accepts. Automaton has 36516 states and 41198 transitions. Word has length 364 [2024-11-07 20:41:08,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:41:08,001 INFO L471 AbstractCegarLoop]: Abstraction has 36516 states and 41198 transitions. [2024-11-07 20:41:08,001 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 7.9655172413793105) internal successors, (231), 30 states have internal predecessors, (231), 13 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 12 states have call predecessors, (14), 13 states have call successors, (14) [2024-11-07 20:41:08,001 INFO L276 IsEmpty]: Start isEmpty. Operand 36516 states and 41198 transitions. [2024-11-07 20:41:08,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2024-11-07 20:41:08,010 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:41:08,010 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:41:08,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-11-07 20:41:08,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-07 20:41:08,210 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-07 20:41:08,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:41:08,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1847769187, now seen corresponding path program 12 times [2024-11-07 20:41:08,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:41:08,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877180751] [2024-11-07 20:41:08,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:41:08,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:41:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:41:08,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [963190847] [2024-11-07 20:41:08,231 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-07 20:41:08,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:41:08,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:41:08,233 INFO L229 MonitoredProcess]: Starting monitored process 40 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 20:41:08,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-07 20:41:08,292 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-11-07 20:41:08,292 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:41:08,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-07 20:41:08,296 INFO L278 TraceCheckSpWp]: Computing forward predicates...