./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.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/lcm1_unwindbound100.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', 'ce152ab821d49eb9acb39ce161d7ea2c6b8a3d3fa002051e62cb16783ef9575a'] 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/lcm1_unwindbound100.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 ce152ab821d49eb9acb39ce161d7ea2c6b8a3d3fa002051e62cb16783ef9575a --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 20:38:55,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 20:38:55,835 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 20:38:55,839 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 20:38:55,839 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 20:38:55,858 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 20:38:55,860 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 20:38:55,860 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 20:38:55,860 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 20:38:55,861 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 20:38:55,861 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 20:38:55,861 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 20:38:55,861 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 20:38:55,862 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 20:38:55,862 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 20:38:55,862 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 20:38:55,862 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 20:38:55,862 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 20:38:55,863 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 20:38:55,863 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 20:38:55,863 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 20:38:55,863 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 20:38:55,863 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 20:38:55,863 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 20:38:55,864 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 20:38:55,864 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 20:38:55,864 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 20:38:55,864 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 20:38:55,864 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 20:38:55,864 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 20:38:55,864 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 20:38:55,864 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 20:38:55,864 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 20:38:55,864 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 20:38:55,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:38:55,865 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 20:38:55,865 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 20:38:55,865 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 20:38:55,865 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 20:38:55,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 20:38:55,865 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 20:38:55,865 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 20:38:55,865 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 20:38:55,865 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 20:38:55,866 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 -> ce152ab821d49eb9acb39ce161d7ea2c6b8a3d3fa002051e62cb16783ef9575a [2024-11-07 20:38:56,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 20:38:56,129 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 20:38:56,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 20:38:56,132 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 20:38:56,132 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 20:38:56,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c [2024-11-07 20:38:57,359 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 20:38:57,555 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 20:38:57,556 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound100.c [2024-11-07 20:38:57,562 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a034a76be/dc0e18db126d48138faf59c9a6f6f6ee/FLAG6bc661f18 [2024-11-07 20:38:57,946 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/a034a76be/dc0e18db126d48138faf59c9a6f6f6ee [2024-11-07 20:38:57,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 20:38:57,949 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 20:38:57,950 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 20:38:57,950 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 20:38:57,953 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 20:38:57,954 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:38:57" (1/1) ... [2024-11-07 20:38:57,954 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8bf0019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:38:57, skipping insertion in model container [2024-11-07 20:38:57,955 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:38:57" (1/1) ... [2024-11-07 20:38:57,965 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 20:38:58,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:38:58,137 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 20:38:58,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:38:58,170 INFO L204 MainTranslator]: Completed translation [2024-11-07 20:38:58,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:38:58 WrapperNode [2024-11-07 20:38:58,171 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 20:38:58,172 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 20:38:58,172 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 20:38:58,173 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 20:38:58,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:38:58" (1/1) ... [2024-11-07 20:38:58,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:38:58" (1/1) ... [2024-11-07 20:38:58,199 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2024-11-07 20:38:58,200 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 20:38:58,200 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 20:38:58,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 20:38:58,201 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 20:38:58,206 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:38:58" (1/1) ... [2024-11-07 20:38:58,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:38:58" (1/1) ... [2024-11-07 20:38:58,209 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:38:58" (1/1) ... [2024-11-07 20:38:58,218 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-11-07 20:38:58,219 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:38:58" (1/1) ... [2024-11-07 20:38:58,219 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:38:58" (1/1) ... [2024-11-07 20:38:58,223 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:38:58" (1/1) ... [2024-11-07 20:38:58,226 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:38:58" (1/1) ... [2024-11-07 20:38:58,227 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:38:58" (1/1) ... [2024-11-07 20:38:58,228 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:38:58" (1/1) ... [2024-11-07 20:38:58,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 20:38:58,229 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 20:38:58,230 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 20:38:58,230 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 20:38:58,231 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:38:58" (1/1) ... [2024-11-07 20:38:58,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:38:58,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:38:58,258 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 20:38:58,273 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 20:38:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 20:38:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 20:38:58,288 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 20:38:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 20:38:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 20:38:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 20:38:58,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 20:38:58,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 20:38:58,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 20:38:58,346 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 20:38:58,350 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 20:38:58,518 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-07 20:38:58,518 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 20:38:58,524 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 20:38:58,524 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-07 20:38:58,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:38:58 BoogieIcfgContainer [2024-11-07 20:38:58,524 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 20:38:58,526 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 20:38:58,526 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 20:38:58,530 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 20:38:58,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:38:57" (1/3) ... [2024-11-07 20:38:58,531 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4dce60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:38:58, skipping insertion in model container [2024-11-07 20:38:58,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:38:58" (2/3) ... [2024-11-07 20:38:58,532 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4dce60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:38:58, skipping insertion in model container [2024-11-07 20:38:58,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:38:58" (3/3) ... [2024-11-07 20:38:58,533 INFO L112 eAbstractionObserver]: Analyzing ICFG lcm1_unwindbound100.c [2024-11-07 20:38:58,544 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 20:38:58,544 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-07 20:38:58,584 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 20:38:58,594 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;@21d82231, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 20:38:58,595 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-07 20:38:58,598 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 35 states have internal predecessors, (46), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-07 20:38:58,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-07 20:38:58,603 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:38:58,603 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:38:58,603 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:38:58,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:38:58,606 INFO L85 PathProgramCache]: Analyzing trace with hash 2022069469, now seen corresponding path program 1 times [2024-11-07 20:38:58,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:38:58,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625977008] [2024-11-07 20:38:58,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:38:58,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:38:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:38:58,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:38:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:38:58,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:38:58,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:38:58,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 20:38:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:38:58,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 20:38:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:38:58,767 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:38:58,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:38:58,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625977008] [2024-11-07 20:38:58,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625977008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:38:58,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:38:58,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:38:58,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640604338] [2024-11-07 20:38:58,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:38:58,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 20:38:58,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:38:58,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 20:38:58,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 20:38:58,797 INFO L87 Difference]: Start difference. First operand has 47 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 35 states have internal predecessors, (46), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:38:58,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:38:58,814 INFO L93 Difference]: Finished difference Result 90 states and 132 transitions. [2024-11-07 20:38:58,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 20:38:58,816 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2024-11-07 20:38:58,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:38:58,820 INFO L225 Difference]: With dead ends: 90 [2024-11-07 20:38:58,820 INFO L226 Difference]: Without dead ends: 39 [2024-11-07 20:38:58,822 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 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 20:38:58,825 INFO L432 NwaCegarLoop]: 58 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, 58 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 20:38:58,826 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:38:58,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-07 20:38:58,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-11-07 20:38:58,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 29 states have internal predecessors, (34), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 20:38:58,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 48 transitions. [2024-11-07 20:38:58,858 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 48 transitions. Word has length 25 [2024-11-07 20:38:58,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:38:58,859 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 48 transitions. [2024-11-07 20:38:58,860 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:38:58,860 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2024-11-07 20:38:58,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-07 20:38:58,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:38:58,861 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:38:58,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 20:38:58,862 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:38:58,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:38:58,863 INFO L85 PathProgramCache]: Analyzing trace with hash -2112941475, now seen corresponding path program 1 times [2024-11-07 20:38:58,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:38:58,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230625478] [2024-11-07 20:38:58,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:38:58,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:38:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:38:59,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:38:59,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:38:59,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:38:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:38:59,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 20:38:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:38:59,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 20:38:59,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:38:59,038 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:38:59,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:38:59,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230625478] [2024-11-07 20:38:59,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230625478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:38:59,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:38:59,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:38:59,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725180273] [2024-11-07 20:38:59,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:38:59,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:38:59,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:38:59,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:38:59,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:38:59,041 INFO L87 Difference]: Start difference. First operand 39 states and 48 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:38:59,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:38:59,100 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2024-11-07 20:38:59,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:38:59,100 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 25 [2024-11-07 20:38:59,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:38:59,101 INFO L225 Difference]: With dead ends: 45 [2024-11-07 20:38:59,101 INFO L226 Difference]: Without dead ends: 43 [2024-11-07 20:38:59,101 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 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 20:38:59,102 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 11 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:38:59,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 112 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:38:59,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-07 20:38:59,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2024-11-07 20:38:59,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 32 states have internal predecessors, (37), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 20:38:59,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 51 transitions. [2024-11-07 20:38:59,112 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 51 transitions. Word has length 25 [2024-11-07 20:38:59,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:38:59,113 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 51 transitions. [2024-11-07 20:38:59,114 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:38:59,114 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2024-11-07 20:38:59,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-07 20:38:59,115 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:38:59,115 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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 20:38:59,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 20:38:59,116 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:38:59,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:38:59,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1804441474, now seen corresponding path program 1 times [2024-11-07 20:38:59,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:38:59,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77676859] [2024-11-07 20:38:59,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:38:59,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:38:59,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:38:59,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:38:59,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:38:59,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:38:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:38:59,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 20:38:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:38:59,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 20:38:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:38:59,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:38:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:38:59,283 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:38:59,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:38:59,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77676859] [2024-11-07 20:38:59,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77676859] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:38:59,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:38:59,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 20:38:59,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581482121] [2024-11-07 20:38:59,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:38:59,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:38:59,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:38:59,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:38:59,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:38:59,286 INFO L87 Difference]: Start difference. First operand 42 states and 51 transitions. Second operand has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:38:59,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:38:59,434 INFO L93 Difference]: Finished difference Result 62 states and 74 transitions. [2024-11-07 20:38:59,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:38:59,434 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 35 [2024-11-07 20:38:59,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:38:59,435 INFO L225 Difference]: With dead ends: 62 [2024-11-07 20:38:59,435 INFO L226 Difference]: Without dead ends: 61 [2024-11-07 20:38:59,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:38:59,436 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 28 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:38:59,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 166 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:38:59,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-07 20:38:59,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 55. [2024-11-07 20:38:59,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 42 states have internal predecessors, (50), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-07 20:38:59,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2024-11-07 20:38:59,448 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 35 [2024-11-07 20:38:59,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:38:59,448 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2024-11-07 20:38:59,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:38:59,449 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2024-11-07 20:38:59,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-07 20:38:59,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:38:59,450 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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 20:38:59,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 20:38:59,450 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:38:59,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:38:59,450 INFO L85 PathProgramCache]: Analyzing trace with hash -103110780, now seen corresponding path program 1 times [2024-11-07 20:38:59,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:38:59,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908550622] [2024-11-07 20:38:59,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:38:59,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:38:59,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:38:59,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:38:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:38:59,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:38:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:38:59,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 20:38:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:38:59,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 20:38:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:38:59,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:38:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:38:59,675 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:38:59,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:38:59,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908550622] [2024-11-07 20:38:59,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908550622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:38:59,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:38:59,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 20:38:59,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304443855] [2024-11-07 20:38:59,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:38:59,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:38:59,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:38:59,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:38:59,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:38:59,678 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:38:59,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:38:59,797 INFO L93 Difference]: Finished difference Result 91 states and 111 transitions. [2024-11-07 20:38:59,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:38:59,798 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36 [2024-11-07 20:38:59,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:38:59,799 INFO L225 Difference]: With dead ends: 91 [2024-11-07 20:38:59,799 INFO L226 Difference]: Without dead ends: 63 [2024-11-07 20:38:59,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:38:59,800 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 17 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:38:59,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 187 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:38:59,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-07 20:38:59,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-07 20:38:59,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 49 states have internal predecessors, (57), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-07 20:38:59,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 75 transitions. [2024-11-07 20:38:59,815 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 75 transitions. Word has length 36 [2024-11-07 20:38:59,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:38:59,815 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 75 transitions. [2024-11-07 20:38:59,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:38:59,816 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2024-11-07 20:38:59,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-07 20:38:59,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:38:59,817 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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 20:38:59,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 20:38:59,818 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:38:59,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:38:59,819 INFO L85 PathProgramCache]: Analyzing trace with hash -948546387, now seen corresponding path program 1 times [2024-11-07 20:38:59,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:38:59,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063842715] [2024-11-07 20:38:59,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:38:59,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:38:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:38:59,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:38:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:38:59,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:38:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:38:59,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 20:38:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:38:59,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 20:38:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:38:59,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:38:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:38:59,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 20:38:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:38:59,967 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:38:59,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:38:59,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063842715] [2024-11-07 20:38:59,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063842715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:38:59,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:38:59,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 20:38:59,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162182888] [2024-11-07 20:38:59,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:38:59,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 20:38:59,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:38:59,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 20:38:59,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:38:59,969 INFO L87 Difference]: Start difference. First operand 63 states and 75 transitions. Second operand has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:39:00,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:00,100 INFO L93 Difference]: Finished difference Result 81 states and 94 transitions. [2024-11-07 20:39:00,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:39:00,101 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 45 [2024-11-07 20:39:00,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:00,102 INFO L225 Difference]: With dead ends: 81 [2024-11-07 20:39:00,102 INFO L226 Difference]: Without dead ends: 80 [2024-11-07 20:39:00,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-07 20:39:00,103 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 54 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:00,103 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 191 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:39:00,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-07 20:39:00,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 73. [2024-11-07 20:39:00,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 57 states have internal predecessors, (68), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 20:39:00,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 88 transitions. [2024-11-07 20:39:00,109 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 88 transitions. Word has length 45 [2024-11-07 20:39:00,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:00,110 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 88 transitions. [2024-11-07 20:39:00,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:39:00,110 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 88 transitions. [2024-11-07 20:39:00,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-07 20:39:00,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:00,111 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:39:00,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 20:39:00,115 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:39:00,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:00,116 INFO L85 PathProgramCache]: Analyzing trace with hash 659833163, now seen corresponding path program 1 times [2024-11-07 20:39:00,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:00,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824038440] [2024-11-07 20:39:00,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:00,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:00,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:00,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:00,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:00,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 20:39:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:00,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 20:39:00,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:00,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:39:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:00,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 20:39:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:00,255 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:39:00,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:00,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824038440] [2024-11-07 20:39:00,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824038440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:39:00,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:39:00,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 20:39:00,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286232260] [2024-11-07 20:39:00,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:39:00,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 20:39:00,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:00,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 20:39:00,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:39:00,257 INFO L87 Difference]: Start difference. First operand 73 states and 88 transitions. Second operand has 9 states, 8 states have (on average 2.75) internal successors, (22), 9 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:39:00,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:00,372 INFO L93 Difference]: Finished difference Result 115 states and 139 transitions. [2024-11-07 20:39:00,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 20:39:00,373 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 9 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 46 [2024-11-07 20:39:00,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:00,374 INFO L225 Difference]: With dead ends: 115 [2024-11-07 20:39:00,374 INFO L226 Difference]: Without dead ends: 87 [2024-11-07 20:39:00,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-07 20:39:00,375 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 33 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:00,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 186 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:39:00,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-07 20:39:00,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 83. [2024-11-07 20:39:00,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 65 states have internal predecessors, (77), 11 states have call successors, (11), 6 states have call predecessors, (11), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-07 20:39:00,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 99 transitions. [2024-11-07 20:39:00,382 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 99 transitions. Word has length 46 [2024-11-07 20:39:00,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:00,382 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 99 transitions. [2024-11-07 20:39:00,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 9 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:39:00,382 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2024-11-07 20:39:00,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-07 20:39:00,383 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:00,383 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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 20:39:00,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 20:39:00,384 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:39:00,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:00,384 INFO L85 PathProgramCache]: Analyzing trace with hash 659870899, now seen corresponding path program 1 times [2024-11-07 20:39:00,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:00,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371565772] [2024-11-07 20:39:00,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:00,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:00,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:00,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:00,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 20:39:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:00,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 20:39:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:00,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:39:00,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:00,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 20:39:00,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:00,504 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:39:00,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:00,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371565772] [2024-11-07 20:39:00,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371565772] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:00,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774938298] [2024-11-07 20:39:00,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:00,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:00,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:00,509 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 20:39:00,511 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 20:39:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:00,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:39:00,562 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:00,644 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:39:00,644 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:00,746 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:39:00,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774938298] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:39:00,746 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:39:00,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 18 [2024-11-07 20:39:00,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130191818] [2024-11-07 20:39:00,747 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:00,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-07 20:39:00,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:00,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-07 20:39:00,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2024-11-07 20:39:00,748 INFO L87 Difference]: Start difference. First operand 83 states and 99 transitions. Second operand has 19 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 19 states have internal predecessors, (55), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-07 20:39:01,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:01,053 INFO L93 Difference]: Finished difference Result 233 states and 283 transitions. [2024-11-07 20:39:01,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-07 20:39:01,053 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 19 states have internal predecessors, (55), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) Word has length 46 [2024-11-07 20:39:01,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:01,054 INFO L225 Difference]: With dead ends: 233 [2024-11-07 20:39:01,054 INFO L226 Difference]: Without dead ends: 195 [2024-11-07 20:39:01,055 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=263, Invalid=667, Unknown=0, NotChecked=0, Total=930 [2024-11-07 20:39:01,056 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 106 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:01,056 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 258 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:39:01,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-07 20:39:01,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 163. [2024-11-07 20:39:01,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 125 states have (on average 1.272) internal successors, (159), 130 states have internal predecessors, (159), 18 states have call successors, (18), 14 states have call predecessors, (18), 14 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-07 20:39:01,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 195 transitions. [2024-11-07 20:39:01,093 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 195 transitions. Word has length 46 [2024-11-07 20:39:01,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:01,094 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 195 transitions. [2024-11-07 20:39:01,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 19 states have internal predecessors, (55), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-07 20:39:01,094 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 195 transitions. [2024-11-07 20:39:01,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-07 20:39:01,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:01,095 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:39:01,123 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 20:39:01,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:01,296 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:39:01,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:01,297 INFO L85 PathProgramCache]: Analyzing trace with hash 158655662, now seen corresponding path program 1 times [2024-11-07 20:39:01,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:01,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153025941] [2024-11-07 20:39:01,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:01,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:01,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:01,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:01,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 20:39:01,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:01,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 20:39:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:01,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:39:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:01,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 20:39:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:01,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 20:39:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:01,384 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-07 20:39:01,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:01,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153025941] [2024-11-07 20:39:01,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153025941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:39:01,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:39:01,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:39:01,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8049538] [2024-11-07 20:39:01,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:39:01,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:39:01,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:01,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:39:01,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:39:01,386 INFO L87 Difference]: Start difference. First operand 163 states and 195 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-07 20:39:01,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:01,450 INFO L93 Difference]: Finished difference Result 270 states and 329 transitions. [2024-11-07 20:39:01,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:39:01,450 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 55 [2024-11-07 20:39:01,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:01,452 INFO L225 Difference]: With dead ends: 270 [2024-11-07 20:39:01,452 INFO L226 Difference]: Without dead ends: 205 [2024-11-07 20:39:01,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 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 20:39:01,454 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 32 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:01,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 173 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:39:01,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-07 20:39:01,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 183. [2024-11-07 20:39:01,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 141 states have (on average 1.2907801418439717) internal successors, (182), 146 states have internal predecessors, (182), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-07 20:39:01,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 226 transitions. [2024-11-07 20:39:01,474 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 226 transitions. Word has length 55 [2024-11-07 20:39:01,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:01,474 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 226 transitions. [2024-11-07 20:39:01,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-07 20:39:01,475 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 226 transitions. [2024-11-07 20:39:01,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-07 20:39:01,477 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:01,477 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:39:01,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 20:39:01,477 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:39:01,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:01,478 INFO L85 PathProgramCache]: Analyzing trace with hash 623459560, now seen corresponding path program 1 times [2024-11-07 20:39:01,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:01,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738743281] [2024-11-07 20:39:01,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:01,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:01,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:01,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:01,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 20:39:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:01,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 20:39:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:01,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:39:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:01,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 20:39:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:01,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 20:39:01,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:01,693 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-07 20:39:01,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:01,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738743281] [2024-11-07 20:39:01,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738743281] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:01,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [710649544] [2024-11-07 20:39:01,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:01,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:01,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:01,701 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 20:39:01,703 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 20:39:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:01,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 20:39:01,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:01,882 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:39:01,882 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:02,036 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-07 20:39:02,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [710649544] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:39:02,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:39:02,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 24 [2024-11-07 20:39:02,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174736469] [2024-11-07 20:39:02,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:02,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-07 20:39:02,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:02,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-07 20:39:02,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2024-11-07 20:39:02,039 INFO L87 Difference]: Start difference. First operand 183 states and 226 transitions. Second operand has 25 states, 24 states have (on average 3.0416666666666665) internal successors, (73), 25 states have internal predecessors, (73), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) [2024-11-07 20:39:02,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:02,595 INFO L93 Difference]: Finished difference Result 379 states and 473 transitions. [2024-11-07 20:39:02,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-07 20:39:02,595 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.0416666666666665) internal successors, (73), 25 states have internal predecessors, (73), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) Word has length 56 [2024-11-07 20:39:02,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:02,597 INFO L225 Difference]: With dead ends: 379 [2024-11-07 20:39:02,597 INFO L226 Difference]: Without dead ends: 296 [2024-11-07 20:39:02,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 469 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=507, Invalid=1943, Unknown=0, NotChecked=0, Total=2450 [2024-11-07 20:39:02,599 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 161 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:02,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 318 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:39:02,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-07 20:39:02,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 263. [2024-11-07 20:39:02,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 206 states have (on average 1.2766990291262137) internal successors, (263), 211 states have internal predecessors, (263), 29 states have call successors, (29), 22 states have call predecessors, (29), 22 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-07 20:39:02,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 321 transitions. [2024-11-07 20:39:02,612 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 321 transitions. Word has length 56 [2024-11-07 20:39:02,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:02,612 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 321 transitions. [2024-11-07 20:39:02,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.0416666666666665) internal successors, (73), 25 states have internal predecessors, (73), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) [2024-11-07 20:39:02,613 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 321 transitions. [2024-11-07 20:39:02,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-07 20:39:02,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:02,613 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:39:02,628 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 20:39:02,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:02,818 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:39:02,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:02,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1120569571, now seen corresponding path program 1 times [2024-11-07 20:39:02,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:02,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975771544] [2024-11-07 20:39:02,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:02,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:02,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:02,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:02,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 20:39:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:02,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 20:39:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:02,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:39:02,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:02,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 20:39:02,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:02,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 20:39:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:02,973 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-07 20:39:02,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:02,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975771544] [2024-11-07 20:39:02,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975771544] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:02,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666476596] [2024-11-07 20:39:02,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:02,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:02,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:02,978 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 20:39:02,979 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 20:39:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:03,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:39:03,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:03,120 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:39:03,120 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:03,250 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-07 20:39:03,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666476596] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:39:03,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:39:03,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 10] total 21 [2024-11-07 20:39:03,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127004868] [2024-11-07 20:39:03,251 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:03,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-07 20:39:03,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:03,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-07 20:39:03,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2024-11-07 20:39:03,252 INFO L87 Difference]: Start difference. First operand 263 states and 321 transitions. Second operand has 21 states, 21 states have (on average 3.380952380952381) internal successors, (71), 21 states have internal predecessors, (71), 9 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) [2024-11-07 20:39:03,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:03,596 INFO L93 Difference]: Finished difference Result 471 states and 581 transitions. [2024-11-07 20:39:03,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-07 20:39:03,597 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.380952380952381) internal successors, (71), 21 states have internal predecessors, (71), 9 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) Word has length 59 [2024-11-07 20:39:03,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:03,598 INFO L225 Difference]: With dead ends: 471 [2024-11-07 20:39:03,598 INFO L226 Difference]: Without dead ends: 332 [2024-11-07 20:39:03,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=299, Invalid=1183, Unknown=0, NotChecked=0, Total=1482 [2024-11-07 20:39:03,600 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 133 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:03,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 317 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:39:03,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-07 20:39:03,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 323. [2024-11-07 20:39:03,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 258 states have (on average 1.244186046511628) internal successors, (321), 263 states have internal predecessors, (321), 33 states have call successors, (33), 26 states have call predecessors, (33), 26 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-07 20:39:03,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 387 transitions. [2024-11-07 20:39:03,615 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 387 transitions. Word has length 59 [2024-11-07 20:39:03,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:03,615 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 387 transitions. [2024-11-07 20:39:03,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.380952380952381) internal successors, (71), 21 states have internal predecessors, (71), 9 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) [2024-11-07 20:39:03,615 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 387 transitions. [2024-11-07 20:39:03,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-07 20:39:03,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:03,616 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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 20:39:03,629 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-07 20:39:03,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:03,821 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:39:03,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:03,821 INFO L85 PathProgramCache]: Analyzing trace with hash 756328881, now seen corresponding path program 1 times [2024-11-07 20:39:03,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:03,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684120314] [2024-11-07 20:39:03,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:03,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:03,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:03,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:03,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 20:39:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:03,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 20:39:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:03,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:39:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:03,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 20:39:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:03,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 20:39:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:03,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:39:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:03,976 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-07 20:39:03,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:03,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684120314] [2024-11-07 20:39:03,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684120314] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:03,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806078346] [2024-11-07 20:39:03,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:03,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:03,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:03,982 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 20:39:03,986 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 20:39:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:04,033 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 20:39:04,035 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:04,157 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:39:04,158 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:39:04,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [806078346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:39:04,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:39:04,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 21 [2024-11-07 20:39:04,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699181056] [2024-11-07 20:39:04,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:39:04,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 20:39:04,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:04,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 20:39:04,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2024-11-07 20:39:04,160 INFO L87 Difference]: Start difference. First operand 323 states and 387 transitions. Second operand has 11 states, 10 states have (on average 4.0) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-07 20:39:04,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:04,374 INFO L93 Difference]: Finished difference Result 391 states and 469 transitions. [2024-11-07 20:39:04,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-07 20:39:04,375 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.0) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 65 [2024-11-07 20:39:04,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:04,376 INFO L225 Difference]: With dead ends: 391 [2024-11-07 20:39:04,377 INFO L226 Difference]: Without dead ends: 388 [2024-11-07 20:39:04,377 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=824, Unknown=0, NotChecked=0, Total=992 [2024-11-07 20:39:04,378 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 61 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:04,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 202 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:39:04,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-11-07 20:39:04,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 293. [2024-11-07 20:39:04,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 234 states have (on average 1.1623931623931625) internal successors, (272), 237 states have internal predecessors, (272), 31 states have call successors, (31), 25 states have call predecessors, (31), 25 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-07 20:39:04,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 334 transitions. [2024-11-07 20:39:04,406 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 334 transitions. Word has length 65 [2024-11-07 20:39:04,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:04,407 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 334 transitions. [2024-11-07 20:39:04,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.0) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-07 20:39:04,407 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 334 transitions. [2024-11-07 20:39:04,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-07 20:39:04,407 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:04,408 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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 20:39:04,420 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 20:39:04,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-07 20:39:04,608 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:39:04,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:04,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1971358877, now seen corresponding path program 1 times [2024-11-07 20:39:04,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:04,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026794968] [2024-11-07 20:39:04,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:04,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:04,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:04,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:04,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:04,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:04,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:04,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 20:39:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:04,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 20:39:04,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:04,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:39:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:04,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 20:39:04,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:04,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 20:39:04,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:04,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:39:04,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:04,746 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-07 20:39:04,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:04,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026794968] [2024-11-07 20:39:04,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026794968] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:04,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679856383] [2024-11-07 20:39:04,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:04,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:04,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:04,749 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 20:39:04,751 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 20:39:04,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:04,807 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 20:39:04,809 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:04,931 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 30 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:39:04,932 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:05,113 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-07 20:39:05,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679856383] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:39:05,114 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:39:05,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 30 [2024-11-07 20:39:05,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754533112] [2024-11-07 20:39:05,114 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:05,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-07 20:39:05,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:05,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-07 20:39:05,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=740, Unknown=0, NotChecked=0, Total=930 [2024-11-07 20:39:05,116 INFO L87 Difference]: Start difference. First operand 293 states and 334 transitions. Second operand has 31 states, 30 states have (on average 3.033333333333333) internal successors, (91), 31 states have internal predecessors, (91), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) [2024-11-07 20:39:05,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:05,663 INFO L93 Difference]: Finished difference Result 332 states and 381 transitions. [2024-11-07 20:39:05,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-11-07 20:39:05,663 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 3.033333333333333) internal successors, (91), 31 states have internal predecessors, (91), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) Word has length 66 [2024-11-07 20:39:05,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:05,666 INFO L225 Difference]: With dead ends: 332 [2024-11-07 20:39:05,666 INFO L226 Difference]: Without dead ends: 331 [2024-11-07 20:39:05,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 733 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=715, Invalid=2945, Unknown=0, NotChecked=0, Total=3660 [2024-11-07 20:39:05,668 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 215 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:05,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 305 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:39:05,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-11-07 20:39:05,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 306. [2024-11-07 20:39:05,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 245 states have (on average 1.1591836734693877) internal successors, (284), 248 states have internal predecessors, (284), 32 states have call successors, (32), 26 states have call predecessors, (32), 26 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-07 20:39:05,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 348 transitions. [2024-11-07 20:39:05,704 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 348 transitions. Word has length 66 [2024-11-07 20:39:05,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:05,704 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 348 transitions. [2024-11-07 20:39:05,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 3.033333333333333) internal successors, (91), 31 states have internal predecessors, (91), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) [2024-11-07 20:39:05,704 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 348 transitions. [2024-11-07 20:39:05,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-07 20:39:05,705 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:05,705 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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 20:39:05,722 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 20:39:05,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-07 20:39:05,908 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:39:05,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:05,908 INFO L85 PathProgramCache]: Analyzing trace with hash 538003313, now seen corresponding path program 1 times [2024-11-07 20:39:05,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:05,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948093041] [2024-11-07 20:39:05,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:05,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:05,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:06,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:06,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:06,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 20:39:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:06,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 20:39:06,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:06,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:39:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:06,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 20:39:06,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:06,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 20:39:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:06,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:39:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:06,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:39:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:06,180 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-07 20:39:06,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:06,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948093041] [2024-11-07 20:39:06,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948093041] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:06,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460857090] [2024-11-07 20:39:06,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:06,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:06,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:06,186 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 20:39:06,187 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 20:39:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:06,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 20:39:06,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:06,382 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:39:06,382 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:06,662 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-07 20:39:06,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460857090] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:39:06,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:39:06,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 14] total 29 [2024-11-07 20:39:06,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078906218] [2024-11-07 20:39:06,662 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:06,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-07 20:39:06,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:06,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-07 20:39:06,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=617, Unknown=0, NotChecked=0, Total=812 [2024-11-07 20:39:06,665 INFO L87 Difference]: Start difference. First operand 306 states and 348 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 13 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 13 states have call predecessors, (27), 13 states have call successors, (27) [2024-11-07 20:39:07,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:07,299 INFO L93 Difference]: Finished difference Result 542 states and 628 transitions. [2024-11-07 20:39:07,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-07 20:39:07,300 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 13 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 13 states have call predecessors, (27), 13 states have call successors, (27) Word has length 80 [2024-11-07 20:39:07,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:07,302 INFO L225 Difference]: With dead ends: 542 [2024-11-07 20:39:07,302 INFO L226 Difference]: Without dead ends: 383 [2024-11-07 20:39:07,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=643, Invalid=1709, Unknown=0, NotChecked=0, Total=2352 [2024-11-07 20:39:07,305 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 173 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:07,305 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 341 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:39:07,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-11-07 20:39:07,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 360. [2024-11-07 20:39:07,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 289 states have (on average 1.1522491349480968) internal successors, (333), 292 states have internal predecessors, (333), 37 states have call successors, (37), 31 states have call predecessors, (37), 31 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-07 20:39:07,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 407 transitions. [2024-11-07 20:39:07,330 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 407 transitions. Word has length 80 [2024-11-07 20:39:07,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:07,331 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 407 transitions. [2024-11-07 20:39:07,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 13 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 13 states have call predecessors, (27), 13 states have call successors, (27) [2024-11-07 20:39:07,331 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 407 transitions. [2024-11-07 20:39:07,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-07 20:39:07,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:07,333 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:39:07,346 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 20:39:07,537 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,SelfDestructingSolverStorable12 [2024-11-07 20:39:07,538 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:39:07,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:07,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1210229917, now seen corresponding path program 1 times [2024-11-07 20:39:07,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:07,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434437499] [2024-11-07 20:39:07,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:07,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:07,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:07,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:07,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:07,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 20:39:07,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:07,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 20:39:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:07,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:39:07,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:07,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 20:39:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:07,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 20:39:07,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:07,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:39:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:07,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:39:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:07,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 20:39:07,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:07,807 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 20:39:07,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:07,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434437499] [2024-11-07 20:39:07,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434437499] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:07,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32318448] [2024-11-07 20:39:07,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:07,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:07,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:07,809 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 20:39:07,810 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 20:39:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:07,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-07 20:39:07,858 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:08,075 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:39:08,075 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:08,399 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 20:39:08,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32318448] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:39:08,399 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:39:08,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 42 [2024-11-07 20:39:08,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097486311] [2024-11-07 20:39:08,400 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:08,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-07 20:39:08,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:08,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-07 20:39:08,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=362, Invalid=1444, Unknown=0, NotChecked=0, Total=1806 [2024-11-07 20:39:08,401 INFO L87 Difference]: Start difference. First operand 360 states and 407 transitions. Second operand has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2024-11-07 20:39:09,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:09,946 INFO L93 Difference]: Finished difference Result 776 states and 906 transitions. [2024-11-07 20:39:09,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-11-07 20:39:09,947 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) Word has length 86 [2024-11-07 20:39:09,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:09,949 INFO L225 Difference]: With dead ends: 776 [2024-11-07 20:39:09,949 INFO L226 Difference]: Without dead ends: 617 [2024-11-07 20:39:09,951 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2133 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1770, Invalid=7350, Unknown=0, NotChecked=0, Total=9120 [2024-11-07 20:39:09,951 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 377 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:09,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 357 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 20:39:09,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2024-11-07 20:39:09,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 556. [2024-11-07 20:39:09,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 445 states have (on average 1.1752808988764045) internal successors, (523), 448 states have internal predecessors, (523), 57 states have call successors, (57), 51 states have call predecessors, (57), 51 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-07 20:39:09,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 637 transitions. [2024-11-07 20:39:09,975 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 637 transitions. Word has length 86 [2024-11-07 20:39:09,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:09,975 INFO L471 AbstractCegarLoop]: Abstraction has 556 states and 637 transitions. [2024-11-07 20:39:09,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2024-11-07 20:39:09,975 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 637 transitions. [2024-11-07 20:39:09,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-07 20:39:09,976 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:09,976 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:39:09,990 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 20:39:10,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:10,177 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:39:10,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:10,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1194963981, now seen corresponding path program 1 times [2024-11-07 20:39:10,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:10,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893194865] [2024-11-07 20:39:10,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:10,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:10,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:10,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:10,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:10,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:10,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 20:39:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:10,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 20:39:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:10,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:39:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:10,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 20:39:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:10,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 20:39:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:10,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:39:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:10,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:39:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:10,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 20:39:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:10,399 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 20:39:10,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:10,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893194865] [2024-11-07 20:39:10,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893194865] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:10,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407613] [2024-11-07 20:39:10,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:10,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:10,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:10,401 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 20:39:10,402 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 20:39:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:10,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-07 20:39:10,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:10,655 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 3 proven. 96 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:39:10,655 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:10,947 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 20:39:10,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407613] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:39:10,947 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:39:10,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 42 [2024-11-07 20:39:10,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158826595] [2024-11-07 20:39:10,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:10,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-07 20:39:10,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:10,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-07 20:39:10,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=368, Invalid=1438, Unknown=0, NotChecked=0, Total=1806 [2024-11-07 20:39:10,949 INFO L87 Difference]: Start difference. First operand 556 states and 637 transitions. Second operand has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2024-11-07 20:39:12,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:12,277 INFO L93 Difference]: Finished difference Result 716 states and 822 transitions. [2024-11-07 20:39:12,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-11-07 20:39:12,277 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) Word has length 86 [2024-11-07 20:39:12,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:12,281 INFO L225 Difference]: With dead ends: 716 [2024-11-07 20:39:12,281 INFO L226 Difference]: Without dead ends: 713 [2024-11-07 20:39:12,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1845 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1656, Invalid=6716, Unknown=0, NotChecked=0, Total=8372 [2024-11-07 20:39:12,283 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 345 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:12,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 512 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 20:39:12,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2024-11-07 20:39:12,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 608. [2024-11-07 20:39:12,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 485 states have (on average 1.1814432989690722) internal successors, (573), 488 states have internal predecessors, (573), 63 states have call successors, (63), 57 states have call predecessors, (63), 57 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2024-11-07 20:39:12,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 699 transitions. [2024-11-07 20:39:12,326 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 699 transitions. Word has length 86 [2024-11-07 20:39:12,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:12,326 INFO L471 AbstractCegarLoop]: Abstraction has 608 states and 699 transitions. [2024-11-07 20:39:12,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2024-11-07 20:39:12,326 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 699 transitions. [2024-11-07 20:39:12,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-07 20:39:12,328 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:12,328 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:39:12,343 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 20:39:12,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-07 20:39:12,529 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:39:12,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:12,530 INFO L85 PathProgramCache]: Analyzing trace with hash 13994911, now seen corresponding path program 1 times [2024-11-07 20:39:12,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:12,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081344400] [2024-11-07 20:39:12,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:12,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:12,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:12,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:12,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 20:39:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:12,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 20:39:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:12,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:39:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:12,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 20:39:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:12,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 20:39:12,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:12,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:39:12,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:12,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:39:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:12,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 20:39:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:12,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 20:39:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:12,803 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 3 proven. 58 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-07 20:39:12,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:12,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081344400] [2024-11-07 20:39:12,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081344400] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:12,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819538619] [2024-11-07 20:39:12,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:12,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:12,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:12,807 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 20:39:12,808 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 20:39:12,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:12,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-07 20:39:12,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:13,005 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 3 proven. 142 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:39:13,005 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:13,265 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 3 proven. 58 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-07 20:39:13,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819538619] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:39:13,266 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:39:13,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 18] total 37 [2024-11-07 20:39:13,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688146056] [2024-11-07 20:39:13,266 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:13,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-07 20:39:13,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:13,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-07 20:39:13,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=1053, Unknown=0, NotChecked=0, Total=1332 [2024-11-07 20:39:13,267 INFO L87 Difference]: Start difference. First operand 608 states and 699 transitions. Second operand has 37 states, 37 states have (on average 3.3513513513513513) internal successors, (124), 37 states have internal predecessors, (124), 17 states have call successors, (33), 9 states have call predecessors, (33), 9 states have return successors, (33), 17 states have call predecessors, (33), 17 states have call successors, (33) [2024-11-07 20:39:14,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:14,026 INFO L93 Difference]: Finished difference Result 1131 states and 1314 transitions. [2024-11-07 20:39:14,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-11-07 20:39:14,027 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 3.3513513513513513) internal successors, (124), 37 states have internal predecessors, (124), 17 states have call successors, (33), 9 states have call predecessors, (33), 9 states have return successors, (33), 17 states have call predecessors, (33), 17 states have call successors, (33) Word has length 100 [2024-11-07 20:39:14,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:14,031 INFO L225 Difference]: With dead ends: 1131 [2024-11-07 20:39:14,031 INFO L226 Difference]: Without dead ends: 842 [2024-11-07 20:39:14,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1387 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1135, Invalid=4415, Unknown=0, NotChecked=0, Total=5550 [2024-11-07 20:39:14,034 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 199 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:14,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 486 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:39:14,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2024-11-07 20:39:14,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 758. [2024-11-07 20:39:14,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 605 states have (on average 1.1586776859504133) internal successors, (701), 608 states have internal predecessors, (701), 78 states have call successors, (78), 72 states have call predecessors, (78), 72 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-07 20:39:14,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 857 transitions. [2024-11-07 20:39:14,078 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 857 transitions. Word has length 100 [2024-11-07 20:39:14,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:14,079 INFO L471 AbstractCegarLoop]: Abstraction has 758 states and 857 transitions. [2024-11-07 20:39:14,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.3513513513513513) internal successors, (124), 37 states have internal predecessors, (124), 17 states have call successors, (33), 9 states have call predecessors, (33), 9 states have return successors, (33), 17 states have call predecessors, (33), 17 states have call successors, (33) [2024-11-07 20:39:14,079 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 857 transitions. [2024-11-07 20:39:14,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-07 20:39:14,084 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:14,084 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:39:14,097 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 20:39:14,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:14,284 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:39:14,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:14,285 INFO L85 PathProgramCache]: Analyzing trace with hash 516926133, now seen corresponding path program 1 times [2024-11-07 20:39:14,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:14,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623757608] [2024-11-07 20:39:14,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:14,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:14,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:14,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:14,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 20:39:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:14,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 20:39:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:14,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:39:14,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:14,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 20:39:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:14,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 20:39:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:14,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:39:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:14,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:39:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:14,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 20:39:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:14,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 20:39:14,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:14,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-07 20:39:14,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:14,776 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-07 20:39:14,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:14,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623757608] [2024-11-07 20:39:14,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623757608] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:14,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1919747263] [2024-11-07 20:39:14,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:14,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:14,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:14,778 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 20:39:14,780 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 20:39:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:14,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-07 20:39:14,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:15,315 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 3 proven. 166 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:39:15,315 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:15,692 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-07 20:39:15,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1919747263] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:39:15,692 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:39:15,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18, 18] total 54 [2024-11-07 20:39:15,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805305946] [2024-11-07 20:39:15,693 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:15,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-11-07 20:39:15,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:15,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-11-07 20:39:15,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=564, Invalid=2406, Unknown=0, NotChecked=0, Total=2970 [2024-11-07 20:39:15,695 INFO L87 Difference]: Start difference. First operand 758 states and 857 transitions. Second operand has 55 states, 54 states have (on average 3.0185185185185186) internal successors, (163), 55 states have internal predecessors, (163), 26 states have call successors, (32), 9 states have call predecessors, (32), 9 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) [2024-11-07 20:39:17,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:17,577 INFO L93 Difference]: Finished difference Result 927 states and 1052 transitions. [2024-11-07 20:39:17,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-11-07 20:39:17,577 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 54 states have (on average 3.0185185185185186) internal successors, (163), 55 states have internal predecessors, (163), 26 states have call successors, (32), 9 states have call predecessors, (32), 9 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) Word has length 106 [2024-11-07 20:39:17,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:17,582 INFO L225 Difference]: With dead ends: 927 [2024-11-07 20:39:17,582 INFO L226 Difference]: Without dead ends: 925 [2024-11-07 20:39:17,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3588 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=2754, Invalid=12008, Unknown=0, NotChecked=0, Total=14762 [2024-11-07 20:39:17,605 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 561 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 561 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:17,606 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [561 Valid, 381 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 20:39:17,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2024-11-07 20:39:17,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 624. [2024-11-07 20:39:17,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 497 states have (on average 1.1609657947686116) internal successors, (577), 501 states have internal predecessors, (577), 65 states have call successors, (65), 59 states have call predecessors, (65), 59 states have return successors, (65), 63 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-07 20:39:17,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 707 transitions. [2024-11-07 20:39:17,638 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 707 transitions. Word has length 106 [2024-11-07 20:39:17,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:17,639 INFO L471 AbstractCegarLoop]: Abstraction has 624 states and 707 transitions. [2024-11-07 20:39:17,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 54 states have (on average 3.0185185185185186) internal successors, (163), 55 states have internal predecessors, (163), 26 states have call successors, (32), 9 states have call predecessors, (32), 9 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) [2024-11-07 20:39:17,639 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 707 transitions. [2024-11-07 20:39:17,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-07 20:39:17,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:17,641 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 7, 7, 7, 7, 7, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:39:17,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-07 20:39:17,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-07 20:39:17,842 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:39:17,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:17,843 INFO L85 PathProgramCache]: Analyzing trace with hash 47715737, now seen corresponding path program 2 times [2024-11-07 20:39:17,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:17,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28757446] [2024-11-07 20:39:17,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:17,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:18,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:18,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:18,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 20:39:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:18,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 20:39:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:18,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:39:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:18,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 20:39:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:18,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 20:39:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:18,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:39:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:18,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:39:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:18,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 20:39:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:18,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 20:39:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:18,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-07 20:39:18,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:18,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 20:39:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:18,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 20:39:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:18,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 20:39:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:18,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 20:39:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:18,316 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 174 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-07 20:39:18,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:18,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28757446] [2024-11-07 20:39:18,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28757446] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:18,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393069155] [2024-11-07 20:39:18,317 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:39:18,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:18,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:18,321 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 20:39:18,328 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 20:39:18,392 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:39:18,392 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:39:18,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-07 20:39:18,396 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:18,548 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 438 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:39:18,548 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:19,157 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 174 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-07 20:39:19,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393069155] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:39:19,157 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:39:19,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 26, 27] total 56 [2024-11-07 20:39:19,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780932269] [2024-11-07 20:39:19,158 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:19,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-11-07 20:39:19,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:19,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-11-07 20:39:19,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=629, Invalid=2563, Unknown=0, NotChecked=0, Total=3192 [2024-11-07 20:39:19,162 INFO L87 Difference]: Start difference. First operand 624 states and 707 transitions. Second operand has 57 states, 56 states have (on average 3.2857142857142856) internal successors, (184), 57 states have internal predecessors, (184), 27 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 27 states have call predecessors, (48), 27 states have call successors, (48) [2024-11-07 20:39:20,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:20,885 INFO L93 Difference]: Finished difference Result 1494 states and 1730 transitions. [2024-11-07 20:39:20,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-11-07 20:39:20,886 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 56 states have (on average 3.2857142857142856) internal successors, (184), 57 states have internal predecessors, (184), 27 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 27 states have call predecessors, (48), 27 states have call successors, (48) Word has length 146 [2024-11-07 20:39:20,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:20,891 INFO L225 Difference]: With dead ends: 1494 [2024-11-07 20:39:20,891 INFO L226 Difference]: Without dead ends: 1229 [2024-11-07 20:39:20,896 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4276 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=3050, Invalid=12450, Unknown=0, NotChecked=0, Total=15500 [2024-11-07 20:39:20,896 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 522 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 522 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:20,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [522 Valid, 454 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 20:39:20,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2024-11-07 20:39:20,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 977. [2024-11-07 20:39:20,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 780 states have (on average 1.176923076923077) internal successors, (918), 784 states have internal predecessors, (918), 100 states have call successors, (100), 94 states have call predecessors, (100), 94 states have return successors, (100), 98 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-07 20:39:20,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1118 transitions. [2024-11-07 20:39:20,957 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1118 transitions. Word has length 146 [2024-11-07 20:39:20,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:20,957 INFO L471 AbstractCegarLoop]: Abstraction has 977 states and 1118 transitions. [2024-11-07 20:39:20,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 56 states have (on average 3.2857142857142856) internal successors, (184), 57 states have internal predecessors, (184), 27 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 27 states have call predecessors, (48), 27 states have call successors, (48) [2024-11-07 20:39:20,958 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1118 transitions. [2024-11-07 20:39:20,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-07 20:39:20,961 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:20,961 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 10, 10, 10, 10, 10, 10, 9, 4, 4, 4, 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 20:39:20,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-07 20:39:21,161 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 20:39:21,162 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:39:21,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:21,162 INFO L85 PathProgramCache]: Analyzing trace with hash 832342144, now seen corresponding path program 2 times [2024-11-07 20:39:21,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:21,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115840364] [2024-11-07 20:39:21,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:21,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:21,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:21,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:21,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:21,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:21,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 20:39:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:21,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 20:39:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:21,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:39:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:21,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 20:39:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:21,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 20:39:21,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:21,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:39:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:21,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:39:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:21,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 20:39:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:21,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 20:39:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:21,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-07 20:39:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:21,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 20:39:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:21,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 20:39:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:21,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 20:39:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:21,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 20:39:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:21,651 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 3 proven. 274 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-07 20:39:21,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:21,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115840364] [2024-11-07 20:39:21,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115840364] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:21,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303542668] [2024-11-07 20:39:21,651 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:39:21,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:21,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:21,656 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 20:39:21,657 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 20:39:21,732 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:39:21,732 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:39:21,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-07 20:39:21,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:21,895 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 3 proven. 538 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:39:21,895 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:22,506 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 3 proven. 274 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-07 20:39:22,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303542668] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:39:22,507 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:39:22,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 27, 28] total 57 [2024-11-07 20:39:22,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764129233] [2024-11-07 20:39:22,507 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:22,508 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2024-11-07 20:39:22,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:22,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2024-11-07 20:39:22,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=689, Invalid=2503, Unknown=0, NotChecked=0, Total=3192 [2024-11-07 20:39:22,509 INFO L87 Difference]: Start difference. First operand 977 states and 1118 transitions. Second operand has 57 states, 57 states have (on average 3.3157894736842106) internal successors, (189), 57 states have internal predecessors, (189), 27 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 27 states have call predecessors, (48), 27 states have call successors, (48) [2024-11-07 20:39:24,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:24,322 INFO L93 Difference]: Finished difference Result 1869 states and 2170 transitions. [2024-11-07 20:39:24,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-11-07 20:39:24,323 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 57 states have (on average 3.3157894736842106) internal successors, (189), 57 states have internal predecessors, (189), 27 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 27 states have call predecessors, (48), 27 states have call successors, (48) Word has length 150 [2024-11-07 20:39:24,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:24,327 INFO L225 Difference]: With dead ends: 1869 [2024-11-07 20:39:24,327 INFO L226 Difference]: Without dead ends: 1511 [2024-11-07 20:39:24,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4418 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=3434, Invalid=12822, Unknown=0, NotChecked=0, Total=16256 [2024-11-07 20:39:24,329 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 436 mSDsluCounter, 619 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:24,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 655 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 20:39:24,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1511 states. [2024-11-07 20:39:24,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1511 to 1391. [2024-11-07 20:39:24,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1391 states, 1116 states have (on average 1.1505376344086022) internal successors, (1284), 1120 states have internal predecessors, (1284), 139 states have call successors, (139), 133 states have call predecessors, (139), 133 states have return successors, (139), 137 states have call predecessors, (139), 139 states have call successors, (139) [2024-11-07 20:39:24,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 1562 transitions. [2024-11-07 20:39:24,383 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 1562 transitions. Word has length 150 [2024-11-07 20:39:24,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:24,383 INFO L471 AbstractCegarLoop]: Abstraction has 1391 states and 1562 transitions. [2024-11-07 20:39:24,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 3.3157894736842106) internal successors, (189), 57 states have internal predecessors, (189), 27 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 27 states have call predecessors, (48), 27 states have call successors, (48) [2024-11-07 20:39:24,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1562 transitions. [2024-11-07 20:39:24,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-07 20:39:24,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:24,386 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:39:24,400 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-07 20:39:24,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:24,589 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:39:24,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:24,590 INFO L85 PathProgramCache]: Analyzing trace with hash -941906583, now seen corresponding path program 1 times [2024-11-07 20:39:24,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:24,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932643006] [2024-11-07 20:39:24,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:24,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:25,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:25,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:25,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 20:39:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:25,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 20:39:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:25,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:39:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:25,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 20:39:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:25,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 20:39:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:25,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:39:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:25,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:39:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:25,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 20:39:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:25,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 20:39:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:25,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-07 20:39:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:25,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 20:39:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:25,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 20:39:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:25,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 20:39:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:25,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 20:39:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:25,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 20:39:25,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:25,072 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 6 proven. 180 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-11-07 20:39:25,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:25,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932643006] [2024-11-07 20:39:25,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932643006] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:25,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1126549937] [2024-11-07 20:39:25,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:25,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:25,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:25,074 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 20:39:25,079 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 20:39:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:25,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-07 20:39:25,156 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:25,308 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 6 proven. 492 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:39:25,308 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:25,939 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 6 proven. 180 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-11-07 20:39:25,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1126549937] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:39:25,939 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:39:25,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 29, 30] total 61 [2024-11-07 20:39:25,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424889361] [2024-11-07 20:39:25,940 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:25,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-11-07 20:39:25,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:25,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-11-07 20:39:25,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=703, Invalid=2957, Unknown=0, NotChecked=0, Total=3660 [2024-11-07 20:39:25,941 INFO L87 Difference]: Start difference. First operand 1391 states and 1562 transitions. Second operand has 61 states, 61 states have (on average 3.3114754098360657) internal successors, (202), 61 states have internal predecessors, (202), 29 states have call successors, (51), 15 states have call predecessors, (51), 15 states have return successors, (51), 29 states have call predecessors, (51), 29 states have call successors, (51) [2024-11-07 20:39:27,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:27,893 INFO L93 Difference]: Finished difference Result 3155 states and 3576 transitions. [2024-11-07 20:39:27,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2024-11-07 20:39:27,894 INFO L78 Accepts]: Start accepts. Automaton has has 61 states, 61 states have (on average 3.3114754098360657) internal successors, (202), 61 states have internal predecessors, (202), 29 states have call successors, (51), 15 states have call predecessors, (51), 15 states have return successors, (51), 29 states have call predecessors, (51), 29 states have call successors, (51) Word has length 160 [2024-11-07 20:39:27,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:27,903 INFO L225 Difference]: With dead ends: 3155 [2024-11-07 20:39:27,904 INFO L226 Difference]: Without dead ends: 2847 [2024-11-07 20:39:27,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4939 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=3268, Invalid=14024, Unknown=0, NotChecked=0, Total=17292 [2024-11-07 20:39:27,906 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 449 mSDsluCounter, 669 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:27,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 704 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 20:39:27,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2847 states. [2024-11-07 20:39:27,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2847 to 2181. [2024-11-07 20:39:27,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2181 states, 1748 states have (on average 1.1367276887871853) internal successors, (1987), 1752 states have internal predecessors, (1987), 218 states have call successors, (218), 212 states have call predecessors, (218), 212 states have return successors, (218), 216 states have call predecessors, (218), 218 states have call successors, (218) [2024-11-07 20:39:27,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 2423 transitions. [2024-11-07 20:39:27,998 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 2423 transitions. Word has length 160 [2024-11-07 20:39:27,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:27,999 INFO L471 AbstractCegarLoop]: Abstraction has 2181 states and 2423 transitions. [2024-11-07 20:39:27,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 3.3114754098360657) internal successors, (202), 61 states have internal predecessors, (202), 29 states have call successors, (51), 15 states have call predecessors, (51), 15 states have return successors, (51), 29 states have call predecessors, (51), 29 states have call successors, (51) [2024-11-07 20:39:27,999 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2423 transitions. [2024-11-07 20:39:28,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-07 20:39:28,002 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:28,002 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:39:28,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-07 20:39:28,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:28,203 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:39:28,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:28,204 INFO L85 PathProgramCache]: Analyzing trace with hash -768229977, now seen corresponding path program 3 times [2024-11-07 20:39:28,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:28,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456552234] [2024-11-07 20:39:28,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:28,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:28,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:28,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:28,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 20:39:28,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:28,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 20:39:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:28,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:39:28,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:28,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 20:39:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:28,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 20:39:28,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:28,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:39:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:28,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:39:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:28,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 20:39:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:28,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 20:39:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:28,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-07 20:39:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:28,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 20:39:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:28,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 20:39:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:28,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 20:39:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:28,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 20:39:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:28,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 20:39:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:28,699 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 3 proven. 206 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-11-07 20:39:28,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:28,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456552234] [2024-11-07 20:39:28,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456552234] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:28,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077702188] [2024-11-07 20:39:28,700 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:39:28,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:28,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:28,705 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 20:39:28,706 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 20:39:28,750 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-07 20:39:28,750 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:39:28,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:39:28,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:28,841 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 82 proven. 1 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2024-11-07 20:39:28,842 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:28,980 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 34 proven. 1 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-07 20:39:28,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077702188] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:39:28,980 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:39:28,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 6, 6] total 41 [2024-11-07 20:39:28,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367132028] [2024-11-07 20:39:28,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:28,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-07 20:39:28,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:28,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-07 20:39:28,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=1317, Unknown=0, NotChecked=0, Total=1640 [2024-11-07 20:39:28,982 INFO L87 Difference]: Start difference. First operand 2181 states and 2423 transitions. Second operand has 41 states, 41 states have (on average 3.0) internal successors, (123), 41 states have internal predecessors, (123), 17 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 17 states have call predecessors, (26), 17 states have call successors, (26) [2024-11-07 20:39:30,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:30,121 INFO L93 Difference]: Finished difference Result 2499 states and 2793 transitions. [2024-11-07 20:39:30,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-11-07 20:39:30,121 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 41 states have (on average 3.0) internal successors, (123), 41 states have internal predecessors, (123), 17 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 17 states have call predecessors, (26), 17 states have call successors, (26) Word has length 160 [2024-11-07 20:39:30,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:30,128 INFO L225 Difference]: With dead ends: 2499 [2024-11-07 20:39:30,128 INFO L226 Difference]: Without dead ends: 2234 [2024-11-07 20:39:30,129 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 343 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1396 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1414, Invalid=5558, Unknown=0, NotChecked=0, Total=6972 [2024-11-07 20:39:30,130 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 306 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 422 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 454 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:30,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 454 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 422 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 20:39:30,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2234 states. [2024-11-07 20:39:30,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2234 to 1054. [2024-11-07 20:39:30,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1054 states, 841 states have (on average 1.1224732461355529) internal successors, (944), 846 states have internal predecessors, (944), 108 states have call successors, (108), 102 states have call predecessors, (108), 102 states have return successors, (108), 105 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-07 20:39:30,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1160 transitions. [2024-11-07 20:39:30,196 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1160 transitions. Word has length 160 [2024-11-07 20:39:30,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:30,197 INFO L471 AbstractCegarLoop]: Abstraction has 1054 states and 1160 transitions. [2024-11-07 20:39:30,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 3.0) internal successors, (123), 41 states have internal predecessors, (123), 17 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 17 states have call predecessors, (26), 17 states have call successors, (26) [2024-11-07 20:39:30,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1160 transitions. [2024-11-07 20:39:30,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-07 20:39:30,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:30,200 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 10, 10, 9, 9, 9, 9, 8, 4, 4, 4, 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, 1] [2024-11-07 20:39:30,215 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-07 20:39:30,400 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,SelfDestructingSolverStorable20 [2024-11-07 20:39:30,400 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:39:30,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:30,401 INFO L85 PathProgramCache]: Analyzing trace with hash 913395973, now seen corresponding path program 1 times [2024-11-07 20:39:30,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:30,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328978038] [2024-11-07 20:39:30,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:30,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:30,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:31,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:31,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:31,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 20:39:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:31,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 20:39:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:31,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:39:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:31,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 20:39:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:31,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 20:39:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:31,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:39:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:31,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:39:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:31,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 20:39:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:31,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 20:39:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:31,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-07 20:39:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:31,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 20:39:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:31,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 20:39:31,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:31,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 20:39:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:31,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 20:39:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:31,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 20:39:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:31,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-07 20:39:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:31,172 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 0 proven. 267 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-07 20:39:31,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:31,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328978038] [2024-11-07 20:39:31,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328978038] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:31,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786030334] [2024-11-07 20:39:31,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:31,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:31,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:31,175 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 20:39:31,176 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 20:39:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:31,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-07 20:39:31,242 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:32,020 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 3 proven. 628 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:39:32,020 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:33,080 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 3 proven. 264 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-07 20:39:33,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786030334] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:39:33,081 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:39:33,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 30, 30] total 90 [2024-11-07 20:39:33,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548747609] [2024-11-07 20:39:33,081 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:33,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2024-11-07 20:39:33,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:33,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2024-11-07 20:39:33,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1638, Invalid=6552, Unknown=0, NotChecked=0, Total=8190 [2024-11-07 20:39:33,084 INFO L87 Difference]: Start difference. First operand 1054 states and 1160 transitions. Second operand has 91 states, 90 states have (on average 3.011111111111111) internal successors, (271), 91 states have internal predecessors, (271), 44 states have call successors, (50), 15 states have call predecessors, (50), 15 states have return successors, (50), 44 states have call predecessors, (50), 44 states have call successors, (50) [2024-11-07 20:39:37,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:37,475 INFO L93 Difference]: Finished difference Result 2060 states and 2316 transitions. [2024-11-07 20:39:37,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2024-11-07 20:39:37,476 INFO L78 Accepts]: Start accepts. Automaton has has 91 states, 90 states have (on average 3.011111111111111) internal successors, (271), 91 states have internal predecessors, (271), 44 states have call successors, (50), 15 states have call predecessors, (50), 15 states have return successors, (50), 44 states have call predecessors, (50), 44 states have call successors, (50) Word has length 166 [2024-11-07 20:39:37,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:37,481 INFO L225 Difference]: With dead ends: 2060 [2024-11-07 20:39:37,481 INFO L226 Difference]: Without dead ends: 1900 [2024-11-07 20:39:37,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 199 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9992 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=8151, Invalid=32049, Unknown=0, NotChecked=0, Total=40200 [2024-11-07 20:39:37,485 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 892 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 892 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:37,485 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [892 Valid, 686 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-07 20:39:37,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1900 states. [2024-11-07 20:39:37,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1900 to 1297. [2024-11-07 20:39:37,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1297 states, 1036 states have (on average 1.1332046332046333) internal successors, (1174), 1041 states have internal predecessors, (1174), 132 states have call successors, (132), 126 states have call predecessors, (132), 126 states have return successors, (132), 129 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-07 20:39:37,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1297 states and 1438 transitions. [2024-11-07 20:39:37,575 INFO L78 Accepts]: Start accepts. Automaton has 1297 states and 1438 transitions. Word has length 166 [2024-11-07 20:39:37,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:37,576 INFO L471 AbstractCegarLoop]: Abstraction has 1297 states and 1438 transitions. [2024-11-07 20:39:37,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 90 states have (on average 3.011111111111111) internal successors, (271), 91 states have internal predecessors, (271), 44 states have call successors, (50), 15 states have call predecessors, (50), 15 states have return successors, (50), 44 states have call predecessors, (50), 44 states have call successors, (50) [2024-11-07 20:39:37,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1438 transitions. [2024-11-07 20:39:37,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-07 20:39:37,578 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:37,579 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 14, 14, 14, 13, 13, 13, 12, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:39:37,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-07 20:39:37,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:37,783 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:39:37,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:37,783 INFO L85 PathProgramCache]: Analyzing trace with hash -474965256, now seen corresponding path program 1 times [2024-11-07 20:39:37,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:37,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247634721] [2024-11-07 20:39:37,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:37,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:37,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:37,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:37,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 20:39:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:37,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 20:39:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:37,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:39:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:37,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 20:39:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:37,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 20:39:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:37,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:39:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:37,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:39:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:37,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 20:39:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:37,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 20:39:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:37,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-07 20:39:37,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:37,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 20:39:37,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:37,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 20:39:37,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:37,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 20:39:37,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:37,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 20:39:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:37,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 20:39:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:37,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-07 20:39:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:37,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 20:39:37,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:37,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 20:39:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:37,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1033 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 884 trivial. 0 not checked. [2024-11-07 20:39:37,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:37,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247634721] [2024-11-07 20:39:37,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247634721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:39:37,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:39:37,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:39:37,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981661325] [2024-11-07 20:39:37,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:39:37,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:39:37,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:37,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:39:37,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:39:37,861 INFO L87 Difference]: Start difference. First operand 1297 states and 1438 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-07 20:39:38,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:38,044 INFO L93 Difference]: Finished difference Result 2030 states and 2276 transitions. [2024-11-07 20:39:38,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:39:38,044 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 190 [2024-11-07 20:39:38,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:38,050 INFO L225 Difference]: With dead ends: 2030 [2024-11-07 20:39:38,050 INFO L226 Difference]: Without dead ends: 1347 [2024-11-07 20:39:38,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 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 20:39:38,051 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 13 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:38,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 116 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:39:38,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2024-11-07 20:39:38,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1290. [2024-11-07 20:39:38,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1290 states, 1032 states have (on average 1.128875968992248) internal successors, (1165), 1039 states have internal predecessors, (1165), 132 states have call successors, (132), 123 states have call predecessors, (132), 123 states have return successors, (132), 127 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-07 20:39:38,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1290 states and 1429 transitions. [2024-11-07 20:39:38,135 INFO L78 Accepts]: Start accepts. Automaton has 1290 states and 1429 transitions. Word has length 190 [2024-11-07 20:39:38,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:38,136 INFO L471 AbstractCegarLoop]: Abstraction has 1290 states and 1429 transitions. [2024-11-07 20:39:38,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-07 20:39:38,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 1429 transitions. [2024-11-07 20:39:38,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-07 20:39:38,138 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:38,138 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 14, 14, 14, 13, 13, 13, 12, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:39:38,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-07 20:39:38,138 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:39:38,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:38,138 INFO L85 PathProgramCache]: Analyzing trace with hash -2124485099, now seen corresponding path program 1 times [2024-11-07 20:39:38,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:38,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149888754] [2024-11-07 20:39:38,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:38,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:38,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:38,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 20:39:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 20:39:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:39:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 20:39:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 20:39:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:39:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:39:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 20:39:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 20:39:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-07 20:39:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 20:39:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 20:39:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 20:39:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 20:39:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 20:39:38,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-07 20:39:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 20:39:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 20:39:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 20:39:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,841 INFO L134 CoverageAnalysis]: Checked inductivity of 1106 backedges. 6 proven. 532 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2024-11-07 20:39:38,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:38,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149888754] [2024-11-07 20:39:38,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149888754] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:38,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445466467] [2024-11-07 20:39:38,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:38,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:38,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:38,844 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 20:39:38,856 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 20:39:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:38,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-07 20:39:38,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:39,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1106 backedges. 6 proven. 1076 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:39:39,173 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:40,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1106 backedges. 6 proven. 532 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2024-11-07 20:39:40,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445466467] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:39:40,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:39:40,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 37, 38] total 77 [2024-11-07 20:39:40,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571080327] [2024-11-07 20:39:40,195 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:40,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2024-11-07 20:39:40,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:40,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2024-11-07 20:39:40,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1251, Invalid=4601, Unknown=0, NotChecked=0, Total=5852 [2024-11-07 20:39:40,198 INFO L87 Difference]: Start difference. First operand 1290 states and 1429 transitions. Second operand has 77 states, 77 states have (on average 3.2987012987012987) internal successors, (254), 77 states have internal predecessors, (254), 37 states have call successors, (63), 19 states have call predecessors, (63), 19 states have return successors, (63), 37 states have call predecessors, (63), 37 states have call successors, (63) [2024-11-07 20:39:42,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:42,786 INFO L93 Difference]: Finished difference Result 2741 states and 3082 transitions. [2024-11-07 20:39:42,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-11-07 20:39:42,787 INFO L78 Accepts]: Start accepts. Automaton has has 77 states, 77 states have (on average 3.2987012987012987) internal successors, (254), 77 states have internal predecessors, (254), 37 states have call successors, (63), 19 states have call predecessors, (63), 19 states have return successors, (63), 37 states have call predecessors, (63), 37 states have call successors, (63) Word has length 200 [2024-11-07 20:39:42,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:42,793 INFO L225 Difference]: With dead ends: 2741 [2024-11-07 20:39:42,794 INFO L226 Difference]: Without dead ends: 2470 [2024-11-07 20:39:42,796 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 564 GetRequests, 403 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7096 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=5861, Invalid=20545, Unknown=0, NotChecked=0, Total=26406 [2024-11-07 20:39:42,796 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 595 mSDsluCounter, 653 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 595 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:42,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [595 Valid, 687 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 20:39:42,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2470 states. [2024-11-07 20:39:42,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2470 to 2225. [2024-11-07 20:39:42,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2225 states, 1784 states have (on average 1.1216367713004485) internal successors, (2001), 1790 states have internal predecessors, (2001), 223 states have call successors, (223), 215 states have call predecessors, (223), 215 states have return successors, (223), 219 states have call predecessors, (223), 223 states have call successors, (223) [2024-11-07 20:39:42,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2225 states to 2225 states and 2447 transitions. [2024-11-07 20:39:42,928 INFO L78 Accepts]: Start accepts. Automaton has 2225 states and 2447 transitions. Word has length 200 [2024-11-07 20:39:42,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:42,929 INFO L471 AbstractCegarLoop]: Abstraction has 2225 states and 2447 transitions. [2024-11-07 20:39:42,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 3.2987012987012987) internal successors, (254), 77 states have internal predecessors, (254), 37 states have call successors, (63), 19 states have call predecessors, (63), 19 states have return successors, (63), 37 states have call predecessors, (63), 37 states have call successors, (63) [2024-11-07 20:39:42,929 INFO L276 IsEmpty]: Start isEmpty. Operand 2225 states and 2447 transitions. [2024-11-07 20:39:42,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-07 20:39:42,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:42,933 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 13, 13, 13, 13, 13, 13, 11, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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 20:39:42,950 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-07 20:39:43,134 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 20:39:43,135 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:39:43,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:43,135 INFO L85 PathProgramCache]: Analyzing trace with hash -467157898, now seen corresponding path program 1 times [2024-11-07 20:39:43,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:43,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738774361] [2024-11-07 20:39:43,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:43,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 20:39:43,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 20:39:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:39:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 20:39:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 20:39:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:39:43,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:39:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 20:39:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 20:39:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-07 20:39:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 20:39:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 20:39:43,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 20:39:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 20:39:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 20:39:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-07 20:39:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 20:39:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 20:39:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 20:39:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 20:39:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 20:39:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:43,986 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 0 proven. 522 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2024-11-07 20:39:43,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:43,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738774361] [2024-11-07 20:39:43,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738774361] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:43,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352003626] [2024-11-07 20:39:43,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:43,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:43,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:43,988 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 20:39:43,989 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 20:39:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:44,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-07 20:39:44,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:45,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 3 proven. 1203 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:39:45,296 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:47,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1230 backedges. 3 proven. 519 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2024-11-07 20:39:47,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352003626] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:39:47,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:39:47,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 40, 40] total 120 [2024-11-07 20:39:47,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418000399] [2024-11-07 20:39:47,117 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:47,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 121 states [2024-11-07 20:39:47,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:47,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2024-11-07 20:39:47,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2848, Invalid=11672, Unknown=0, NotChecked=0, Total=14520 [2024-11-07 20:39:47,120 INFO L87 Difference]: Start difference. First operand 2225 states and 2447 transitions. Second operand has 121 states, 120 states have (on average 3.0083333333333333) internal successors, (361), 121 states have internal predecessors, (361), 59 states have call successors, (65), 20 states have call predecessors, (65), 20 states have return successors, (65), 59 states have call predecessors, (65), 59 states have call successors, (65) [2024-11-07 20:39:54,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:39:54,640 INFO L93 Difference]: Finished difference Result 4044 states and 4554 transitions. [2024-11-07 20:39:54,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 225 states. [2024-11-07 20:39:54,641 INFO L78 Accepts]: Start accepts. Automaton has has 121 states, 120 states have (on average 3.0083333333333333) internal successors, (361), 121 states have internal predecessors, (361), 59 states have call successors, (65), 20 states have call predecessors, (65), 20 states have return successors, (65), 59 states have call predecessors, (65), 59 states have call successors, (65) Word has length 216 [2024-11-07 20:39:54,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:39:54,650 INFO L225 Difference]: With dead ends: 4044 [2024-11-07 20:39:54,651 INFO L226 Difference]: Without dead ends: 3773 [2024-11-07 20:39:54,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 681 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 283 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21714 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=15707, Invalid=65233, Unknown=0, NotChecked=0, Total=80940 [2024-11-07 20:39:54,656 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 1393 mSDsluCounter, 624 mSDsCounter, 0 mSdLazyCounter, 1015 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1393 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 1015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-07 20:39:54,656 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1393 Valid, 654 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 1015 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-07 20:39:54,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3773 states. [2024-11-07 20:39:54,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3773 to 2831. [2024-11-07 20:39:54,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2831 states, 2275 states have (on average 1.1248351648351649) internal successors, (2559), 2280 states have internal predecessors, (2559), 282 states have call successors, (282), 271 states have call predecessors, (282), 271 states have return successors, (282), 279 states have call predecessors, (282), 282 states have call successors, (282) [2024-11-07 20:39:54,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2831 states and 3123 transitions. [2024-11-07 20:39:54,958 INFO L78 Accepts]: Start accepts. Automaton has 2831 states and 3123 transitions. Word has length 216 [2024-11-07 20:39:54,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:39:54,959 INFO L471 AbstractCegarLoop]: Abstraction has 2831 states and 3123 transitions. [2024-11-07 20:39:54,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 121 states, 120 states have (on average 3.0083333333333333) internal successors, (361), 121 states have internal predecessors, (361), 59 states have call successors, (65), 20 states have call predecessors, (65), 20 states have return successors, (65), 59 states have call predecessors, (65), 59 states have call successors, (65) [2024-11-07 20:39:54,959 INFO L276 IsEmpty]: Start isEmpty. Operand 2831 states and 3123 transitions. [2024-11-07 20:39:54,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-07 20:39:54,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:39:54,964 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 17, 17, 17, 17, 17, 17, 15, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:39:54,980 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-07 20:39:55,164 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 20:39:55,164 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:39:55,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:39:55,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1954458153, now seen corresponding path program 2 times [2024-11-07 20:39:55,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:39:55,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117668338] [2024-11-07 20:39:55,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:39:55,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:39:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:56,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:39:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:56,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:39:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:56,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 20:39:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:56,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 20:39:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:56,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:39:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:56,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 20:39:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:56,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 20:39:56,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:56,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:39:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:56,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:39:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:56,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 20:39:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:56,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 20:39:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:56,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-07 20:39:56,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:56,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 20:39:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:56,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 20:39:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:56,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 20:39:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:56,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 20:39:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:56,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 20:39:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:56,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-07 20:39:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:56,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 20:39:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:56,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 20:39:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:56,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 20:39:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:56,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 20:39:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:56,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 20:39:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:56,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 20:39:56,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:56,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 20:39:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:39:56,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1706 backedges. 6 proven. 836 refuted. 0 times theorem prover too weak. 864 trivial. 0 not checked. [2024-11-07 20:39:56,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:39:56,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117668338] [2024-11-07 20:39:56,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117668338] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:39:56,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119617444] [2024-11-07 20:39:56,133 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:39:56,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:39:56,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:39:56,138 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 20:39:56,140 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 20:39:56,215 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:39:56,216 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:39:56,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-07 20:39:56,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:39:56,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1706 backedges. 6 proven. 1676 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:39:56,441 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:39:57,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1706 backedges. 6 proven. 836 refuted. 0 times theorem prover too weak. 864 trivial. 0 not checked. [2024-11-07 20:39:57,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119617444] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:39:57,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:39:57,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 45, 46] total 93 [2024-11-07 20:39:57,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314966529] [2024-11-07 20:39:57,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:39:57,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2024-11-07 20:39:57,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:39:57,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2024-11-07 20:39:57,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1807, Invalid=6749, Unknown=0, NotChecked=0, Total=8556 [2024-11-07 20:39:57,870 INFO L87 Difference]: Start difference. First operand 2831 states and 3123 transitions. Second operand has 93 states, 93 states have (on average 3.2903225806451615) internal successors, (306), 93 states have internal predecessors, (306), 45 states have call successors, (75), 23 states have call predecessors, (75), 23 states have return successors, (75), 45 states have call predecessors, (75), 45 states have call successors, (75) [2024-11-07 20:40:02,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:02,211 INFO L93 Difference]: Finished difference Result 4822 states and 5384 transitions. [2024-11-07 20:40:02,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2024-11-07 20:40:02,211 INFO L78 Accepts]: Start accepts. Automaton has has 93 states, 93 states have (on average 3.2903225806451615) internal successors, (306), 93 states have internal predecessors, (306), 45 states have call successors, (75), 23 states have call predecessors, (75), 23 states have return successors, (75), 45 states have call predecessors, (75), 45 states have call successors, (75) Word has length 240 [2024-11-07 20:40:02,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:02,231 INFO L225 Difference]: With dead ends: 4822 [2024-11-07 20:40:02,231 INFO L226 Difference]: Without dead ends: 4371 [2024-11-07 20:40:02,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 697 GetRequests, 483 SyntacticMatches, 0 SemanticMatches, 214 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13517 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=9601, Invalid=36839, Unknown=0, NotChecked=0, Total=46440 [2024-11-07 20:40:02,238 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 884 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 884 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:02,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [884 Valid, 593 Invalid, 841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 20:40:02,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4371 states. [2024-11-07 20:40:02,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4371 to 3705. [2024-11-07 20:40:02,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3705 states, 2976 states have (on average 1.1216397849462365) internal successors, (3338), 2981 states have internal predecessors, (3338), 369 states have call successors, (369), 357 states have call predecessors, (369), 357 states have return successors, (369), 366 states have call predecessors, (369), 369 states have call successors, (369) [2024-11-07 20:40:02,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3705 states to 3705 states and 4076 transitions. [2024-11-07 20:40:02,895 INFO L78 Accepts]: Start accepts. Automaton has 3705 states and 4076 transitions. Word has length 240 [2024-11-07 20:40:02,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:02,897 INFO L471 AbstractCegarLoop]: Abstraction has 3705 states and 4076 transitions. [2024-11-07 20:40:02,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 3.2903225806451615) internal successors, (306), 93 states have internal predecessors, (306), 45 states have call successors, (75), 23 states have call predecessors, (75), 23 states have return successors, (75), 45 states have call predecessors, (75), 45 states have call successors, (75) [2024-11-07 20:40:02,898 INFO L276 IsEmpty]: Start isEmpty. Operand 3705 states and 4076 transitions. [2024-11-07 20:40:02,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2024-11-07 20:40:02,906 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:02,906 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 19, 19, 19, 18, 18, 18, 17, 4, 4, 4, 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, 1, 1, 1, 1] [2024-11-07 20:40:02,920 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 20:40:03,106 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 20:40:03,107 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:40:03,107 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:03,107 INFO L85 PathProgramCache]: Analyzing trace with hash -755735567, now seen corresponding path program 1 times [2024-11-07 20:40:03,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:03,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796174556] [2024-11-07 20:40:03,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:03,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:03,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:04,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:04,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:04,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 20:40:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:04,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 20:40:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:04,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:40:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:04,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 20:40:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:04,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 20:40:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:04,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:40:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:04,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:40:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:04,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 20:40:04,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:04,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 20:40:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:04,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-07 20:40:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:04,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 20:40:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:04,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 20:40:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:04,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 20:40:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:04,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 20:40:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:04,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 20:40:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:04,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-07 20:40:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:04,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 20:40:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:04,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 20:40:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:04,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 20:40:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:04,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 20:40:04,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:04,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 20:40:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:04,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 20:40:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:04,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 20:40:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:04,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 20:40:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:04,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1964 backedges. 14 proven. 1002 refuted. 0 times theorem prover too weak. 948 trivial. 0 not checked. [2024-11-07 20:40:04,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:04,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796174556] [2024-11-07 20:40:04,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796174556] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:04,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446911413] [2024-11-07 20:40:04,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:04,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:04,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:04,243 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 20:40:04,246 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 20:40:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:04,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-07 20:40:04,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:04,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1964 backedges. 14 proven. 1926 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:40:04,602 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:06,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1964 backedges. 14 proven. 1002 refuted. 0 times theorem prover too weak. 948 trivial. 0 not checked. [2024-11-07 20:40:06,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446911413] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:40:06,127 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:40:06,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 47, 48] total 97 [2024-11-07 20:40:06,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365605514] [2024-11-07 20:40:06,127 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:06,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2024-11-07 20:40:06,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:06,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2024-11-07 20:40:06,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2041, Invalid=7271, Unknown=0, NotChecked=0, Total=9312 [2024-11-07 20:40:06,130 INFO L87 Difference]: Start difference. First operand 3705 states and 4076 transitions. Second operand has 97 states, 97 states have (on average 3.329896907216495) internal successors, (323), 97 states have internal predecessors, (323), 47 states have call successors, (78), 24 states have call predecessors, (78), 24 states have return successors, (78), 47 states have call predecessors, (78), 47 states have call successors, (78) [2024-11-07 20:40:10,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:10,066 INFO L93 Difference]: Finished difference Result 5728 states and 6340 transitions. [2024-11-07 20:40:10,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-11-07 20:40:10,066 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 97 states have (on average 3.329896907216495) internal successors, (323), 97 states have internal predecessors, (323), 47 states have call successors, (78), 24 states have call predecessors, (78), 24 states have return successors, (78), 47 states have call predecessors, (78), 47 states have call successors, (78) Word has length 254 [2024-11-07 20:40:10,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:10,086 INFO L225 Difference]: With dead ends: 5728 [2024-11-07 20:40:10,087 INFO L226 Difference]: Without dead ends: 5277 [2024-11-07 20:40:10,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 718 GetRequests, 511 SyntacticMatches, 0 SemanticMatches, 207 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11752 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=9993, Invalid=33479, Unknown=0, NotChecked=0, Total=43472 [2024-11-07 20:40:10,092 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 871 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 871 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:10,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [871 Valid, 562 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 20:40:10,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5277 states. [2024-11-07 20:40:10,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5277 to 4819. [2024-11-07 20:40:10,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4819 states, 3871 states have (on average 1.1183156807026609) internal successors, (4329), 3876 states have internal predecessors, (4329), 478 states have call successors, (478), 467 states have call predecessors, (478), 467 states have return successors, (478), 475 states have call predecessors, (478), 478 states have call successors, (478) [2024-11-07 20:40:10,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4819 states to 4819 states and 5285 transitions. [2024-11-07 20:40:10,440 INFO L78 Accepts]: Start accepts. Automaton has 4819 states and 5285 transitions. Word has length 254 [2024-11-07 20:40:10,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:10,441 INFO L471 AbstractCegarLoop]: Abstraction has 4819 states and 5285 transitions. [2024-11-07 20:40:10,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 3.329896907216495) internal successors, (323), 97 states have internal predecessors, (323), 47 states have call successors, (78), 24 states have call predecessors, (78), 24 states have return successors, (78), 47 states have call predecessors, (78), 47 states have call successors, (78) [2024-11-07 20:40:10,442 INFO L276 IsEmpty]: Start isEmpty. Operand 4819 states and 5285 transitions. [2024-11-07 20:40:10,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-07 20:40:10,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:10,448 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 17, 17, 17, 16, 16, 16, 15, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:10,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-07 20:40:10,652 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 20:40:10,652 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:40:10,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:10,653 INFO L85 PathProgramCache]: Analyzing trace with hash -568667030, now seen corresponding path program 2 times [2024-11-07 20:40:10,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:10,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833305626] [2024-11-07 20:40:10,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:10,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 20:40:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 20:40:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:40:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 20:40:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 20:40:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:40:11,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:40:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 20:40:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 20:40:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-07 20:40:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 20:40:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 20:40:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 20:40:11,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 20:40:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 20:40:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-07 20:40:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 20:40:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 20:40:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 20:40:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 20:40:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 20:40:11,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 20:40:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 20:40:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 20:40:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-07 20:40:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1912 backedges. 26 proven. 850 refuted. 0 times theorem prover too weak. 1036 trivial. 0 not checked. [2024-11-07 20:40:11,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:11,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833305626] [2024-11-07 20:40:11,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833305626] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:11,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69530526] [2024-11-07 20:40:11,823 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:40:11,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:11,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:11,826 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 20:40:11,826 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 20:40:11,918 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:40:11,918 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:11,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-07 20:40:11,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:12,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1912 backedges. 26 proven. 1862 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:40:12,179 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:13,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1912 backedges. 26 proven. 850 refuted. 0 times theorem prover too weak. 1036 trivial. 0 not checked. [2024-11-07 20:40:13,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69530526] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:40:13,638 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:40:13,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 49, 50] total 101 [2024-11-07 20:40:13,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891551352] [2024-11-07 20:40:13,638 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:13,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2024-11-07 20:40:13,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:13,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2024-11-07 20:40:13,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2043, Invalid=8057, Unknown=0, NotChecked=0, Total=10100 [2024-11-07 20:40:13,641 INFO L87 Difference]: Start difference. First operand 4819 states and 5285 transitions. Second operand has 101 states, 101 states have (on average 3.3267326732673266) internal successors, (336), 101 states have internal predecessors, (336), 49 states have call successors, (81), 25 states have call predecessors, (81), 25 states have return successors, (81), 49 states have call predecessors, (81), 49 states have call successors, (81) [2024-11-07 20:40:17,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:17,654 INFO L93 Difference]: Finished difference Result 7372 states and 8147 transitions. [2024-11-07 20:40:17,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2024-11-07 20:40:17,654 INFO L78 Accepts]: Start accepts. Automaton has has 101 states, 101 states have (on average 3.3267326732673266) internal successors, (336), 101 states have internal predecessors, (336), 49 states have call successors, (81), 25 states have call predecessors, (81), 25 states have return successors, (81), 49 states have call predecessors, (81), 49 states have call successors, (81) Word has length 264 [2024-11-07 20:40:17,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:17,670 INFO L225 Difference]: With dead ends: 7372 [2024-11-07 20:40:17,670 INFO L226 Difference]: Without dead ends: 6921 [2024-11-07 20:40:17,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 748 GetRequests, 531 SyntacticMatches, 0 SemanticMatches, 217 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13453 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=9860, Invalid=37882, Unknown=0, NotChecked=0, Total=47742 [2024-11-07 20:40:17,675 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 941 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 941 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:17,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [941 Valid, 623 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 718 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 20:40:17,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6921 states. [2024-11-07 20:40:18,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6921 to 5072. [2024-11-07 20:40:18,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5072 states, 4071 states have (on average 1.1183984279046917) internal successors, (4553), 4075 states have internal predecessors, (4553), 504 states have call successors, (504), 494 states have call predecessors, (504), 494 states have return successors, (504), 502 states have call predecessors, (504), 504 states have call successors, (504) [2024-11-07 20:40:18,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5072 states to 5072 states and 5561 transitions. [2024-11-07 20:40:18,066 INFO L78 Accepts]: Start accepts. Automaton has 5072 states and 5561 transitions. Word has length 264 [2024-11-07 20:40:18,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:18,067 INFO L471 AbstractCegarLoop]: Abstraction has 5072 states and 5561 transitions. [2024-11-07 20:40:18,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 3.3267326732673266) internal successors, (336), 101 states have internal predecessors, (336), 49 states have call successors, (81), 25 states have call predecessors, (81), 25 states have return successors, (81), 49 states have call predecessors, (81), 49 states have call successors, (81) [2024-11-07 20:40:18,067 INFO L276 IsEmpty]: Start isEmpty. Operand 5072 states and 5561 transitions. [2024-11-07 20:40:18,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-11-07 20:40:18,073 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:18,073 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 16, 16, 16, 16, 16, 16, 14, 7, 7, 7, 6, 6, 6, 5, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:18,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-07 20:40:18,277 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 20:40:18,277 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:40:18,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:18,278 INFO L85 PathProgramCache]: Analyzing trace with hash 723105198, now seen corresponding path program 3 times [2024-11-07 20:40:18,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:18,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464506837] [2024-11-07 20:40:18,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:18,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 20:40:19,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 20:40:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:40:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 20:40:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 20:40:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:40:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:40:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 20:40:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 20:40:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-07 20:40:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 20:40:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 20:40:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 20:40:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 20:40:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 20:40:19,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-07 20:40:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 20:40:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 20:40:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 20:40:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 20:40:19,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 20:40:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 20:40:19,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 20:40:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 20:40:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-07 20:40:19,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 20:40:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,562 INFO L134 CoverageAnalysis]: Checked inductivity of 1974 backedges. 6 proven. 840 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-07 20:40:19,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:19,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464506837] [2024-11-07 20:40:19,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464506837] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:19,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701008901] [2024-11-07 20:40:19,563 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:40:19,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:19,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:19,566 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 20:40:19,570 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 20:40:19,620 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-07 20:40:19,620 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:19,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:40:19,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:19,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1974 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 1807 trivial. 0 not checked. [2024-11-07 20:40:19,755 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:40:19,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701008901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:40:19,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:40:19,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [53] total 58 [2024-11-07 20:40:19,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882617204] [2024-11-07 20:40:19,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:40:19,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:40:19,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:19,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:40:19,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=644, Invalid=2662, Unknown=0, NotChecked=0, Total=3306 [2024-11-07 20:40:19,757 INFO L87 Difference]: Start difference. First operand 5072 states and 5561 transitions. Second operand has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-07 20:40:20,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:20,281 INFO L93 Difference]: Finished difference Result 5125 states and 5609 transitions. [2024-11-07 20:40:20,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 20:40:20,282 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 270 [2024-11-07 20:40:20,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:20,292 INFO L225 Difference]: With dead ends: 5125 [2024-11-07 20:40:20,292 INFO L226 Difference]: Without dead ends: 5123 [2024-11-07 20:40:20,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 892 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=671, Invalid=3235, Unknown=0, NotChecked=0, Total=3906 [2024-11-07 20:40:20,297 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 36 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:20,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 148 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:40:20,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5123 states. [2024-11-07 20:40:20,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5123 to 4355. [2024-11-07 20:40:20,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4355 states, 3488 states have (on average 1.118979357798165) internal successors, (3903), 3493 states have internal predecessors, (3903), 435 states have call successors, (435), 429 states have call predecessors, (435), 429 states have return successors, (435), 432 states have call predecessors, (435), 435 states have call successors, (435) [2024-11-07 20:40:20,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4355 states to 4355 states and 4773 transitions. [2024-11-07 20:40:20,570 INFO L78 Accepts]: Start accepts. Automaton has 4355 states and 4773 transitions. Word has length 270 [2024-11-07 20:40:20,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:20,570 INFO L471 AbstractCegarLoop]: Abstraction has 4355 states and 4773 transitions. [2024-11-07 20:40:20,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-07 20:40:20,570 INFO L276 IsEmpty]: Start isEmpty. Operand 4355 states and 4773 transitions. [2024-11-07 20:40:20,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-11-07 20:40:20,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:20,574 INFO L215 NwaCegarLoop]: trace histogram [24, 24, 24, 20, 20, 20, 19, 19, 19, 18, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:20,586 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-07 20:40:20,774 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 20:40:20,775 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-07 20:40:20,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:20,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1986425027, now seen corresponding path program 3 times [2024-11-07 20:40:20,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:20,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475520421] [2024-11-07 20:40:20,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:20,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:21,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:21,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:21,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 20:40:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:21,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-07 20:40:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:21,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 20:40:21,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:21,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 20:40:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:21,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 20:40:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:21,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 20:40:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:21,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:40:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:21,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 20:40:21,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:21,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-07 20:40:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:21,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-07 20:40:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:21,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-07 20:40:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:21,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 20:40:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:21,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-07 20:40:21,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:21,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-07 20:40:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:21,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-07 20:40:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:21,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-07 20:40:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:21,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-07 20:40:21,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:21,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-07 20:40:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:21,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-07 20:40:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:21,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-07 20:40:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:21,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-11-07 20:40:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:21,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-11-07 20:40:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:21,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-07 20:40:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:21,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-11-07 20:40:21,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:22,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-07 20:40:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:22,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2024-11-07 20:40:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:22,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 18 proven. 1126 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2024-11-07 20:40:22,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:22,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475520421] [2024-11-07 20:40:22,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475520421] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:22,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767879707] [2024-11-07 20:40:22,008 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:40:22,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:22,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:22,010 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 20:40:22,011 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 20:40:22,067 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-07 20:40:22,067 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:22,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 20:40:22,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:22,273 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 239 proven. 1 refuted. 0 times theorem prover too weak. 2032 trivial. 0 not checked. [2024-11-07 20:40:22,274 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:22,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 147 proven. 1 refuted. 0 times theorem prover too weak. 2124 trivial. 0 not checked. [2024-11-07 20:40:22,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1767879707] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:40:22,575 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:40:22,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 8, 8] total 67 [2024-11-07 20:40:22,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004642521] [2024-11-07 20:40:22,575 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:22,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-11-07 20:40:22,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:22,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-11-07 20:40:22,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=908, Invalid=3514, Unknown=0, NotChecked=0, Total=4422 [2024-11-07 20:40:22,578 INFO L87 Difference]: Start difference. First operand 4355 states and 4773 transitions. Second operand has 67 states, 67 states have (on average 2.8507462686567164) internal successors, (191), 67 states have internal predecessors, (191), 28 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 28 states have call predecessors, (37), 28 states have call successors, (37) [2024-11-07 20:40:25,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:25,672 INFO L93 Difference]: Finished difference Result 5191 states and 5704 transitions. [2024-11-07 20:40:25,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2024-11-07 20:40:25,675 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 67 states have (on average 2.8507462686567164) internal successors, (191), 67 states have internal predecessors, (191), 28 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 28 states have call predecessors, (37), 28 states have call successors, (37) Word has length 274 [2024-11-07 20:40:25,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:25,679 INFO L225 Difference]: With dead ends: 5191 [2024-11-07 20:40:25,679 INFO L226 Difference]: Without dead ends: 0 [2024-11-07 20:40:25,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 737 GetRequests, 589 SyntacticMatches, 0 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4674 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=4604, Invalid=17746, Unknown=0, NotChecked=0, Total=22350 [2024-11-07 20:40:25,687 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 540 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:25,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 450 Invalid, 685 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 20:40:25,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-07 20:40:25,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-07 20:40:25,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:40:25,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-07 20:40:25,689 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 274 [2024-11-07 20:40:25,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:25,690 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-07 20:40:25,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 2.8507462686567164) internal successors, (191), 67 states have internal predecessors, (191), 28 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (37), 28 states have call predecessors, (37), 28 states have call successors, (37) [2024-11-07 20:40:25,690 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-07 20:40:25,690 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-07 20:40:25,692 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-11-07 20:40:25,692 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-11-07 20:40:25,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-11-07 20:40:25,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-11-07 20:40:25,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-11-07 20:40:25,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-11-07 20:40:25,705 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 20:40:25,893 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 20:40:25,896 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:25,897 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.