./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.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/ps3-ll_valuebound20.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', '0affde029ae482b9d2ea4727838aac0bedbe77b9d2e3e7a12b56be9a4d0491c8'] 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/ps3-ll_valuebound20.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 0affde029ae482b9d2ea4727838aac0bedbe77b9d2e3e7a12b56be9a4d0491c8 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 20:45:31,578 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 20:45:31,675 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 20:45:31,680 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 20:45:31,681 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 20:45:31,707 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 20:45:31,710 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 20:45:31,710 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 20:45:31,710 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 20:45:31,711 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 20:45:31,711 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 20:45:31,711 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 20:45:31,712 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 20:45:31,712 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 20:45:31,712 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 20:45:31,712 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 20:45:31,712 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 20:45:31,712 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 20:45:31,712 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 20:45:31,713 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 20:45:31,713 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 20:45:31,713 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 20:45:31,714 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 20:45:31,714 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 20:45:31,714 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 20:45:31,714 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 20:45:31,714 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 20:45:31,714 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 20:45:31,714 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 20:45:31,714 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 20:45:31,714 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 20:45:31,714 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 20:45:31,714 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 20:45:31,714 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 20:45:31,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:45:31,714 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 20:45:31,714 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 20:45:31,715 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 20:45:31,715 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 20:45:31,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 20:45:31,715 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 20:45:31,715 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 20:45:31,715 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 20:45:31,715 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 20:45:31,715 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 -> 0affde029ae482b9d2ea4727838aac0bedbe77b9d2e3e7a12b56be9a4d0491c8 [2024-11-07 20:45:31,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 20:45:31,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 20:45:32,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 20:45:32,003 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 20:45:32,004 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 20:45:32,006 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c [2024-11-07 20:45:33,352 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 20:45:33,548 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 20:45:33,549 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound20.c [2024-11-07 20:45:33,554 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/79dac43a1/846560cdfe6e4f288079ebf8c76e72aa/FLAGcf1ed12cc [2024-11-07 20:45:33,571 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/79dac43a1/846560cdfe6e4f288079ebf8c76e72aa [2024-11-07 20:45:33,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 20:45:33,575 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 20:45:33,576 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 20:45:33,576 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 20:45:33,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 20:45:33,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:45:33" (1/1) ... [2024-11-07 20:45:33,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d3884a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:45:33, skipping insertion in model container [2024-11-07 20:45:33,584 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:45:33" (1/1) ... [2024-11-07 20:45:33,597 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 20:45:33,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:45:33,752 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 20:45:33,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:45:33,783 INFO L204 MainTranslator]: Completed translation [2024-11-07 20:45:33,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:45:33 WrapperNode [2024-11-07 20:45:33,784 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 20:45:33,785 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 20:45:33,785 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 20:45:33,785 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 20:45:33,790 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:45:33" (1/1) ... [2024-11-07 20:45:33,793 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:45:33" (1/1) ... [2024-11-07 20:45:33,810 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 87 [2024-11-07 20:45:33,814 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 20:45:33,814 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 20:45:33,815 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 20:45:33,815 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 20:45:33,822 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:45:33" (1/1) ... [2024-11-07 20:45:33,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:45:33" (1/1) ... [2024-11-07 20:45:33,824 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:45:33" (1/1) ... [2024-11-07 20:45:33,837 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 20:45:33,837 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:45:33" (1/1) ... [2024-11-07 20:45:33,837 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:45:33" (1/1) ... [2024-11-07 20:45:33,839 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:45:33" (1/1) ... [2024-11-07 20:45:33,842 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:45:33" (1/1) ... [2024-11-07 20:45:33,843 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:45:33" (1/1) ... [2024-11-07 20:45:33,843 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:45:33" (1/1) ... [2024-11-07 20:45:33,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 20:45:33,846 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 20:45:33,846 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 20:45:33,846 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 20:45:33,846 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:45:33" (1/1) ... [2024-11-07 20:45:33,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:45:33,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:45:33,877 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 20:45:33,883 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 20:45:33,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 20:45:33,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 20:45:33,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 20:45:33,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 20:45:33,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 20:45:33,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 20:45:33,956 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 20:45:33,957 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 20:45:34,227 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-07 20:45:34,228 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 20:45:34,242 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 20:45:34,242 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 20:45:34,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:45:34 BoogieIcfgContainer [2024-11-07 20:45:34,242 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 20:45:34,246 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 20:45:34,246 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 20:45:34,250 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 20:45:34,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:45:33" (1/3) ... [2024-11-07 20:45:34,251 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269dfb6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:45:34, skipping insertion in model container [2024-11-07 20:45:34,251 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:45:33" (2/3) ... [2024-11-07 20:45:34,251 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@269dfb6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:45:34, skipping insertion in model container [2024-11-07 20:45:34,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:45:34" (3/3) ... [2024-11-07 20:45:34,253 INFO L112 eAbstractionObserver]: Analyzing ICFG ps3-ll_valuebound20.c [2024-11-07 20:45:34,268 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 20:45:34,268 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2024-11-07 20:45:34,324 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 20:45:34,334 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;@48d15653, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 20:45:34,336 INFO L334 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2024-11-07 20:45:34,342 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 58 states have (on average 1.8448275862068966) internal successors, (107), 102 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:45:34,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-07 20:45:34,348 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:45:34,348 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-07 20:45:34,349 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-07 20:45:34,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:45:34,354 INFO L85 PathProgramCache]: Analyzing trace with hash 889508903, now seen corresponding path program 1 times [2024-11-07 20:45:34,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:45:34,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797942072] [2024-11-07 20:45:34,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:34,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:45:34,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:34,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:45:34,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:45:34,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797942072] [2024-11-07 20:45:34,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797942072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:45:34,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:45:34,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:45:34,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118018998] [2024-11-07 20:45:34,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:45:34,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 20:45:34,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:45:34,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 20:45:34,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 20:45:34,478 INFO L87 Difference]: Start difference. First operand has 106 states, 58 states have (on average 1.8448275862068966) internal successors, (107), 102 states have internal predecessors, (107), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 20:45:34,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:45:34,498 INFO L93 Difference]: Finished difference Result 203 states and 219 transitions. [2024-11-07 20:45:34,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 20:45:34,499 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-07 20:45:34,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:45:34,504 INFO L225 Difference]: With dead ends: 203 [2024-11-07 20:45:34,505 INFO L226 Difference]: Without dead ends: 94 [2024-11-07 20:45:34,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 20:45:34,515 INFO L432 NwaCegarLoop]: 101 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, 101 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 20:45:34,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:45:34,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-07 20:45:34,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-07 20:45:34,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 53 states have (on average 1.7358490566037736) internal successors, (92), 91 states have internal predecessors, (92), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:45:34,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 94 transitions. [2024-11-07 20:45:34,547 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 94 transitions. Word has length 6 [2024-11-07 20:45:34,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:45:34,548 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 94 transitions. [2024-11-07 20:45:34,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 20:45:34,549 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 94 transitions. [2024-11-07 20:45:34,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-07 20:45:34,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:45:34,550 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-07 20:45:34,550 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 20:45:34,550 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-07 20:45:34,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:45:34,551 INFO L85 PathProgramCache]: Analyzing trace with hash 889568486, now seen corresponding path program 1 times [2024-11-07 20:45:34,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:45:34,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350116851] [2024-11-07 20:45:34,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:34,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:45:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:34,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:45:34,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:45:34,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350116851] [2024-11-07 20:45:34,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350116851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:45:34,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:45:34,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:45:34,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772129161] [2024-11-07 20:45:34,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:45:34,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:45:34,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:45:34,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:45:34,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:45:34,643 INFO L87 Difference]: Start difference. First operand 94 states and 94 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 20:45:34,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:45:34,794 INFO L93 Difference]: Finished difference Result 167 states and 181 transitions. [2024-11-07 20:45:34,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:45:34,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-07 20:45:34,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:45:34,796 INFO L225 Difference]: With dead ends: 167 [2024-11-07 20:45:34,796 INFO L226 Difference]: Without dead ends: 162 [2024-11-07 20:45:34,796 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:45:34,797 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 65 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:45:34,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 121 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:45:34,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-07 20:45:34,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 124. [2024-11-07 20:45:34,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 82 states have (on average 1.7195121951219512) internal successors, (141), 120 states have internal predecessors, (141), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:45:34,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 145 transitions. [2024-11-07 20:45:34,817 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 145 transitions. Word has length 6 [2024-11-07 20:45:34,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:45:34,818 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 145 transitions. [2024-11-07 20:45:34,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 20:45:34,818 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 145 transitions. [2024-11-07 20:45:34,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-07 20:45:34,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:45:34,818 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:45:34,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 20:45:34,818 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-07 20:45:34,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:45:34,819 INFO L85 PathProgramCache]: Analyzing trace with hash 176824808, now seen corresponding path program 1 times [2024-11-07 20:45:34,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:45:34,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051009749] [2024-11-07 20:45:34,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:34,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:45:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:34,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:45:34,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:45:34,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051009749] [2024-11-07 20:45:34,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051009749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:45:34,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:45:34,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:45:34,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972259227] [2024-11-07 20:45:34,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:45:34,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:45:34,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:45:34,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:45:34,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:45:34,876 INFO L87 Difference]: Start difference. First operand 124 states and 145 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:45:35,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:45:35,038 INFO L93 Difference]: Finished difference Result 160 states and 174 transitions. [2024-11-07 20:45:35,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:45:35,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-07 20:45:35,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:45:35,039 INFO L225 Difference]: With dead ends: 160 [2024-11-07 20:45:35,039 INFO L226 Difference]: Without dead ends: 142 [2024-11-07 20:45:35,040 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:45:35,041 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 40 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:45:35,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 71 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:45:35,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-11-07 20:45:35,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 136. [2024-11-07 20:45:35,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 94 states have (on average 1.5425531914893618) internal successors, (145), 132 states have internal predecessors, (145), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:45:35,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 149 transitions. [2024-11-07 20:45:35,056 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 149 transitions. Word has length 8 [2024-11-07 20:45:35,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:45:35,056 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 149 transitions. [2024-11-07 20:45:35,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:45:35,056 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 149 transitions. [2024-11-07 20:45:35,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-07 20:45:35,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:45:35,058 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:45:35,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 20:45:35,058 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-07 20:45:35,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:45:35,059 INFO L85 PathProgramCache]: Analyzing trace with hash 2083520750, now seen corresponding path program 1 times [2024-11-07 20:45:35,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:45:35,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924287239] [2024-11-07 20:45:35,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:35,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:45:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:35,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:45:35,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:45:35,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924287239] [2024-11-07 20:45:35,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924287239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:45:35,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:45:35,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:45:35,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140815779] [2024-11-07 20:45:35,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:45:35,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:45:35,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:45:35,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:45:35,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:45:35,143 INFO L87 Difference]: Start difference. First operand 136 states and 149 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:45:35,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:45:35,347 INFO L93 Difference]: Finished difference Result 150 states and 158 transitions. [2024-11-07 20:45:35,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:45:35,348 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-07 20:45:35,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:45:35,350 INFO L225 Difference]: With dead ends: 150 [2024-11-07 20:45:35,351 INFO L226 Difference]: Without dead ends: 144 [2024-11-07 20:45:35,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 20:45:35,352 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 47 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:45:35,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 119 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:45:35,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-07 20:45:35,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 139. [2024-11-07 20:45:35,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 97 states have (on average 1.4948453608247423) internal successors, (145), 135 states have internal predecessors, (145), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:45:35,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 149 transitions. [2024-11-07 20:45:35,367 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 149 transitions. Word has length 14 [2024-11-07 20:45:35,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:45:35,367 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 149 transitions. [2024-11-07 20:45:35,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:45:35,368 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 149 transitions. [2024-11-07 20:45:35,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-07 20:45:35,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:45:35,368 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:45:35,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 20:45:35,368 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-07 20:45:35,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:45:35,369 INFO L85 PathProgramCache]: Analyzing trace with hash 164633878, now seen corresponding path program 1 times [2024-11-07 20:45:35,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:45:35,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664615036] [2024-11-07 20:45:35,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:35,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:45:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:45:35,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1667973711] [2024-11-07 20:45:35,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:35,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:45:35,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:45:35,409 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 20:45:35,421 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 20:45:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:35,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:45:35,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:45:35,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:45:35,560 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:45:35,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:45:35,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664615036] [2024-11-07 20:45:35,561 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:45:35,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667973711] [2024-11-07 20:45:35,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667973711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:45:35,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:45:35,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:45:35,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732246314] [2024-11-07 20:45:35,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:45:35,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:45:35,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:45:35,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:45:35,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:45:35,563 INFO L87 Difference]: Start difference. First operand 139 states and 149 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:45:35,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:45:35,738 INFO L93 Difference]: Finished difference Result 148 states and 150 transitions. [2024-11-07 20:45:35,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:45:35,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-07 20:45:35,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:45:35,739 INFO L225 Difference]: With dead ends: 148 [2024-11-07 20:45:35,739 INFO L226 Difference]: Without dead ends: 124 [2024-11-07 20:45:35,739 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:45:35,740 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 33 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:45:35,740 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 71 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:45:35,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-07 20:45:35,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 122. [2024-11-07 20:45:35,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 80 states have (on average 1.525) internal successors, (122), 118 states have internal predecessors, (122), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:45:35,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 126 transitions. [2024-11-07 20:45:35,747 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 126 transitions. Word has length 15 [2024-11-07 20:45:35,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:45:35,747 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 126 transitions. [2024-11-07 20:45:35,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:45:35,747 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 126 transitions. [2024-11-07 20:45:35,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-07 20:45:35,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:45:35,748 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:45:35,763 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 20:45:35,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:45:35,948 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-07 20:45:35,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:45:35,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1504079858, now seen corresponding path program 1 times [2024-11-07 20:45:35,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:45:35,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406866962] [2024-11-07 20:45:35,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:35,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:45:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:36,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:45:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:36,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:45:36,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:45:36,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406866962] [2024-11-07 20:45:36,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406866962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:45:36,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:45:36,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:45:36,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452799038] [2024-11-07 20:45:36,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:45:36,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:45:36,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:45:36,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:45:36,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:45:36,035 INFO L87 Difference]: Start difference. First operand 122 states and 126 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:45:36,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:45:36,051 INFO L93 Difference]: Finished difference Result 124 states and 126 transitions. [2024-11-07 20:45:36,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:45:36,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-11-07 20:45:36,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:45:36,052 INFO L225 Difference]: With dead ends: 124 [2024-11-07 20:45:36,052 INFO L226 Difference]: Without dead ends: 122 [2024-11-07 20:45:36,052 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:45:36,053 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 1 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:45:36,053 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 177 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:45:36,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-07 20:45:36,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2024-11-07 20:45:36,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 80 states have (on average 1.5) internal successors, (120), 118 states have internal predecessors, (120), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:45:36,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 124 transitions. [2024-11-07 20:45:36,059 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 124 transitions. Word has length 30 [2024-11-07 20:45:36,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:45:36,060 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 124 transitions. [2024-11-07 20:45:36,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:45:36,061 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 124 transitions. [2024-11-07 20:45:36,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-07 20:45:36,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:45:36,062 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:45:36,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 20:45:36,062 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-07 20:45:36,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:45:36,062 INFO L85 PathProgramCache]: Analyzing trace with hash -900368208, now seen corresponding path program 1 times [2024-11-07 20:45:36,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:45:36,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396565442] [2024-11-07 20:45:36,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:36,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:45:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:45:36,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [114152901] [2024-11-07 20:45:36,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:36,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:45:36,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:45:36,082 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 20:45:36,084 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 20:45:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:36,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:45:36,131 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:45:36,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:45:36,207 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:45:36,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:45:36,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396565442] [2024-11-07 20:45:36,207 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:45:36,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114152901] [2024-11-07 20:45:36,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [114152901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:45:36,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:45:36,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:45:36,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400403586] [2024-11-07 20:45:36,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:45:36,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:45:36,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:45:36,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:45:36,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:45:36,209 INFO L87 Difference]: Start difference. First operand 122 states and 124 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:45:36,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:45:36,409 INFO L93 Difference]: Finished difference Result 191 states and 206 transitions. [2024-11-07 20:45:36,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:45:36,409 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2024-11-07 20:45:36,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:45:36,411 INFO L225 Difference]: With dead ends: 191 [2024-11-07 20:45:36,411 INFO L226 Difference]: Without dead ends: 172 [2024-11-07 20:45:36,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:45:36,412 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 50 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:45:36,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 96 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:45:36,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-07 20:45:36,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 162. [2024-11-07 20:45:36,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 119 states have (on average 1.4621848739495797) internal successors, (174), 157 states have internal predecessors, (174), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:45:36,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 180 transitions. [2024-11-07 20:45:36,423 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 180 transitions. Word has length 35 [2024-11-07 20:45:36,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:45:36,423 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 180 transitions. [2024-11-07 20:45:36,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:45:36,423 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 180 transitions. [2024-11-07 20:45:36,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-07 20:45:36,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:45:36,424 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:45:36,441 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-07 20:45:36,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:45:36,624 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-07 20:45:36,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:45:36,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1965418062, now seen corresponding path program 1 times [2024-11-07 20:45:36,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:45:36,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250781029] [2024-11-07 20:45:36,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:36,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:45:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:36,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:45:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:36,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:45:36,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:45:36,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250781029] [2024-11-07 20:45:36,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250781029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:45:36,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:45:36,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:45:36,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604103774] [2024-11-07 20:45:36,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:45:36,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:45:36,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:45:36,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:45:36,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:45:36,726 INFO L87 Difference]: Start difference. First operand 162 states and 180 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:45:36,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:45:36,879 INFO L93 Difference]: Finished difference Result 163 states and 180 transitions. [2024-11-07 20:45:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:45:36,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 37 [2024-11-07 20:45:36,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:45:36,881 INFO L225 Difference]: With dead ends: 163 [2024-11-07 20:45:36,881 INFO L226 Difference]: Without dead ends: 162 [2024-11-07 20:45:36,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 20:45:36,882 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 23 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:45:36,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 143 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:45:36,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-07 20:45:36,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2024-11-07 20:45:36,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 119 states have (on average 1.453781512605042) internal successors, (173), 157 states have internal predecessors, (173), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:45:36,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 179 transitions. [2024-11-07 20:45:36,894 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 179 transitions. Word has length 37 [2024-11-07 20:45:36,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:45:36,897 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 179 transitions. [2024-11-07 20:45:36,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:45:36,898 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 179 transitions. [2024-11-07 20:45:36,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-07 20:45:36,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:45:36,898 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:45:36,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 20:45:36,904 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-07 20:45:36,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:45:36,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1018854196, now seen corresponding path program 1 times [2024-11-07 20:45:36,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:45:36,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836111293] [2024-11-07 20:45:36,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:36,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:45:36,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:45:36,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1989855585] [2024-11-07 20:45:36,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:36,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:45:36,924 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:45:36,929 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 20:45:36,934 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 20:45:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:36,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:45:36,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:45:37,049 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-07 20:45:37,049 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:45:37,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:45:37,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836111293] [2024-11-07 20:45:37,049 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:45:37,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989855585] [2024-11-07 20:45:37,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989855585] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:45:37,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:45:37,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:45:37,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510781119] [2024-11-07 20:45:37,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:45:37,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:45:37,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:45:37,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:45:37,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:45:37,051 INFO L87 Difference]: Start difference. First operand 162 states and 179 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:45:37,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:45:37,120 INFO L93 Difference]: Finished difference Result 162 states and 179 transitions. [2024-11-07 20:45:37,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:45:37,120 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2024-11-07 20:45:37,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:45:37,121 INFO L225 Difference]: With dead ends: 162 [2024-11-07 20:45:37,121 INFO L226 Difference]: Without dead ends: 159 [2024-11-07 20:45:37,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:45:37,122 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 39 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:45:37,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 65 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:45:37,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-07 20:45:37,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2024-11-07 20:45:37,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 119 states have (on average 1.411764705882353) internal successors, (168), 154 states have internal predecessors, (168), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:45:37,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 174 transitions. [2024-11-07 20:45:37,129 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 174 transitions. Word has length 39 [2024-11-07 20:45:37,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:45:37,129 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 174 transitions. [2024-11-07 20:45:37,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:45:37,130 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 174 transitions. [2024-11-07 20:45:37,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-07 20:45:37,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:45:37,131 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:45:37,146 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 20:45:37,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:45:37,331 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-07 20:45:37,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:45:37,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1519709056, now seen corresponding path program 1 times [2024-11-07 20:45:37,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:45:37,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212148518] [2024-11-07 20:45:37,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:37,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:45:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:45:37,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1294767524] [2024-11-07 20:45:37,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:37,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:45:37,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:45:37,354 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 20:45:37,360 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 20:45:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:37,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:45:37,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:45:37,576 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:45:37,576 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:45:37,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:45:37,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:45:37,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212148518] [2024-11-07 20:45:37,693 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:45:37,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294767524] [2024-11-07 20:45:37,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294767524] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:45:37,693 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:45:37,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-07 20:45:37,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328310656] [2024-11-07 20:45:37,693 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:45:37,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:45:37,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:45:37,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:45:37,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:45:37,694 INFO L87 Difference]: Start difference. First operand 159 states and 174 transitions. Second operand has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:45:38,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:45:38,093 INFO L93 Difference]: Finished difference Result 175 states and 191 transitions. [2024-11-07 20:45:38,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:45:38,093 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 40 [2024-11-07 20:45:38,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:45:38,095 INFO L225 Difference]: With dead ends: 175 [2024-11-07 20:45:38,095 INFO L226 Difference]: Without dead ends: 171 [2024-11-07 20:45:38,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:45:38,097 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 172 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:45:38,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 139 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:45:38,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-07 20:45:38,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 165. [2024-11-07 20:45:38,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 126 states have (on average 1.3650793650793651) internal successors, (172), 160 states have internal predecessors, (172), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:45:38,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 178 transitions. [2024-11-07 20:45:38,104 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 178 transitions. Word has length 40 [2024-11-07 20:45:38,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:45:38,104 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 178 transitions. [2024-11-07 20:45:38,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:45:38,105 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 178 transitions. [2024-11-07 20:45:38,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-07 20:45:38,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:45:38,105 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:45:38,122 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 20:45:38,309 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,SelfDestructingSolverStorable9 [2024-11-07 20:45:38,310 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-07 20:45:38,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:45:38,310 INFO L85 PathProgramCache]: Analyzing trace with hash -2027908804, now seen corresponding path program 1 times [2024-11-07 20:45:38,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:45:38,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952958679] [2024-11-07 20:45:38,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:38,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:45:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:45:38,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2113474567] [2024-11-07 20:45:38,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:38,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:45:38,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:45:38,343 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 20:45:38,344 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 20:45:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:38,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:45:38,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:45:38,465 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:45:38,466 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:45:38,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:45:38,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952958679] [2024-11-07 20:45:38,466 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:45:38,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113474567] [2024-11-07 20:45:38,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113474567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:45:38,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:45:38,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:45:38,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656227810] [2024-11-07 20:45:38,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:45:38,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:45:38,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:45:38,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:45:38,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:45:38,468 INFO L87 Difference]: Start difference. First operand 165 states and 178 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:45:38,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:45:38,600 INFO L93 Difference]: Finished difference Result 165 states and 178 transitions. [2024-11-07 20:45:38,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:45:38,601 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 47 [2024-11-07 20:45:38,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:45:38,602 INFO L225 Difference]: With dead ends: 165 [2024-11-07 20:45:38,603 INFO L226 Difference]: Without dead ends: 154 [2024-11-07 20:45:38,604 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:45:38,604 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 110 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:45:38,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 26 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:45:38,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-07 20:45:38,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2024-11-07 20:45:38,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 126 states have (on average 1.246031746031746) internal successors, (157), 149 states have internal predecessors, (157), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:45:38,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 163 transitions. [2024-11-07 20:45:38,611 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 163 transitions. Word has length 47 [2024-11-07 20:45:38,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:45:38,612 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 163 transitions. [2024-11-07 20:45:38,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:45:38,612 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 163 transitions. [2024-11-07 20:45:38,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-07 20:45:38,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:45:38,613 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:45:38,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-07 20:45:38,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-07 20:45:38,814 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-07 20:45:38,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:45:38,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1559336584, now seen corresponding path program 1 times [2024-11-07 20:45:38,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:45:38,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576766263] [2024-11-07 20:45:38,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:38,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:45:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:45:38,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1957689667] [2024-11-07 20:45:38,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:38,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:45:38,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:45:38,844 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 20:45:38,846 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 20:45:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:38,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:45:38,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:45:39,056 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:45:39,056 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:45:39,182 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:45:39,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:45:39,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576766263] [2024-11-07 20:45:39,184 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:45:39,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957689667] [2024-11-07 20:45:39,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1957689667] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:45:39,184 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:45:39,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-07 20:45:39,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850350371] [2024-11-07 20:45:39,185 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:45:39,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:45:39,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:45:39,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:45:39,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:45:39,185 INFO L87 Difference]: Start difference. First operand 154 states and 163 transitions. Second operand has 8 states, 7 states have (on average 12.285714285714286) internal successors, (86), 8 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:45:39,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:45:39,598 INFO L93 Difference]: Finished difference Result 169 states and 182 transitions. [2024-11-07 20:45:39,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:45:39,599 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.285714285714286) internal successors, (86), 8 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 48 [2024-11-07 20:45:39,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:45:39,600 INFO L225 Difference]: With dead ends: 169 [2024-11-07 20:45:39,600 INFO L226 Difference]: Without dead ends: 141 [2024-11-07 20:45:39,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:45:39,601 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 72 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:45:39,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 99 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:45:39,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-07 20:45:39,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2024-11-07 20:45:39,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 116 states have (on average 1.2241379310344827) internal successors, (142), 134 states have internal predecessors, (142), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:45:39,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 148 transitions. [2024-11-07 20:45:39,607 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 148 transitions. Word has length 48 [2024-11-07 20:45:39,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:45:39,607 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 148 transitions. [2024-11-07 20:45:39,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.285714285714286) internal successors, (86), 8 states have internal predecessors, (86), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:45:39,608 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 148 transitions. [2024-11-07 20:45:39,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-07 20:45:39,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:45:39,608 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:45:39,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-07 20:45:39,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-07 20:45:39,809 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-07 20:45:39,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:45:39,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1523014592, now seen corresponding path program 1 times [2024-11-07 20:45:39,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:45:39,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160844761] [2024-11-07 20:45:39,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:39,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:45:39,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:39,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:45:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:39,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:45:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:39,908 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:45:39,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:45:39,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160844761] [2024-11-07 20:45:39,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160844761] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:45:39,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70213905] [2024-11-07 20:45:39,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:39,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:45:39,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:45:39,910 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 20:45:39,911 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 20:45:39,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:39,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:45:39,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:45:40,048 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:45:40,048 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:45:40,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70213905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:45:40,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:45:40,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-07 20:45:40,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857505029] [2024-11-07 20:45:40,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:45:40,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:45:40,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:45:40,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:45:40,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:45:40,050 INFO L87 Difference]: Start difference. First operand 139 states and 148 transitions. Second operand has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:45:40,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:45:40,072 INFO L93 Difference]: Finished difference Result 139 states and 148 transitions. [2024-11-07 20:45:40,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:45:40,073 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 63 [2024-11-07 20:45:40,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:45:40,074 INFO L225 Difference]: With dead ends: 139 [2024-11-07 20:45:40,074 INFO L226 Difference]: Without dead ends: 138 [2024-11-07 20:45:40,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 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 20:45:40,075 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 13 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:45:40,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 154 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:45:40,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-07 20:45:40,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-11-07 20:45:40,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 116 states have (on average 1.206896551724138) internal successors, (140), 133 states have internal predecessors, (140), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:45:40,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 146 transitions. [2024-11-07 20:45:40,083 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 146 transitions. Word has length 63 [2024-11-07 20:45:40,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:45:40,084 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 146 transitions. [2024-11-07 20:45:40,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:45:40,084 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 146 transitions. [2024-11-07 20:45:40,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-07 20:45:40,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:45:40,085 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:45:40,102 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 20:45:40,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:45:40,286 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-07 20:45:40,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:45:40,286 INFO L85 PathProgramCache]: Analyzing trace with hash 31187998, now seen corresponding path program 1 times [2024-11-07 20:45:40,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:45:40,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153714315] [2024-11-07 20:45:40,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:40,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:45:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:40,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:45:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:40,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:45:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:40,356 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:45:40,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:45:40,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153714315] [2024-11-07 20:45:40,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153714315] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:45:40,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115488161] [2024-11-07 20:45:40,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:40,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:45:40,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:45:40,359 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 20:45:40,361 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 20:45:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:40,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:45:40,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:45:40,471 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:45:40,471 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:45:40,550 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:45:40,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115488161] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:45:40,551 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:45:40,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-07 20:45:40,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240850305] [2024-11-07 20:45:40,551 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:45:40,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:45:40,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:45:40,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:45:40,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:45:40,552 INFO L87 Difference]: Start difference. First operand 138 states and 146 transitions. Second operand has 7 states, 6 states have (on average 21.833333333333332) internal successors, (131), 7 states have internal predecessors, (131), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 20:45:40,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:45:40,588 INFO L93 Difference]: Finished difference Result 199 states and 207 transitions. [2024-11-07 20:45:40,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:45:40,589 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 21.833333333333332) internal successors, (131), 7 states have internal predecessors, (131), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 64 [2024-11-07 20:45:40,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:45:40,590 INFO L225 Difference]: With dead ends: 199 [2024-11-07 20:45:40,590 INFO L226 Difference]: Without dead ends: 198 [2024-11-07 20:45:40,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:45:40,590 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 32 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:45:40,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 257 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:45:40,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-07 20:45:40,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 179. [2024-11-07 20:45:40,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 155 states have (on average 1.2516129032258065) internal successors, (194), 172 states have internal predecessors, (194), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 20:45:40,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 204 transitions. [2024-11-07 20:45:40,598 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 204 transitions. Word has length 64 [2024-11-07 20:45:40,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:45:40,598 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 204 transitions. [2024-11-07 20:45:40,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 21.833333333333332) internal successors, (131), 7 states have internal predecessors, (131), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 20:45:40,599 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 204 transitions. [2024-11-07 20:45:40,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-07 20:45:40,602 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:45:40,602 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-07 20:45:40,618 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-07 20:45:40,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:45:40,803 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-07 20:45:40,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:45:40,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1964100696, now seen corresponding path program 1 times [2024-11-07 20:45:40,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:45:40,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038452073] [2024-11-07 20:45:40,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:40,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:45:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:40,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:45:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:40,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:45:40,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:40,900 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-07 20:45:40,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:45:40,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038452073] [2024-11-07 20:45:40,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038452073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:45:40,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:45:40,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:45:40,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471821685] [2024-11-07 20:45:40,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:45:40,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:45:40,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:45:40,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:45:40,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:45:40,903 INFO L87 Difference]: Start difference. First operand 179 states and 204 transitions. Second operand has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:45:40,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:45:40,971 INFO L93 Difference]: Finished difference Result 179 states and 204 transitions. [2024-11-07 20:45:40,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:45:40,971 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 74 [2024-11-07 20:45:40,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:45:40,972 INFO L225 Difference]: With dead ends: 179 [2024-11-07 20:45:40,972 INFO L226 Difference]: Without dead ends: 174 [2024-11-07 20:45:40,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:45:40,973 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 36 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:45:40,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 32 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:45:40,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-07 20:45:40,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2024-11-07 20:45:40,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 155 states have (on average 1.1870967741935483) internal successors, (184), 167 states have internal predecessors, (184), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 20:45:40,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 194 transitions. [2024-11-07 20:45:40,980 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 194 transitions. Word has length 74 [2024-11-07 20:45:40,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:45:40,981 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 194 transitions. [2024-11-07 20:45:40,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:45:40,981 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 194 transitions. [2024-11-07 20:45:40,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-07 20:45:40,982 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:45:40,982 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-07 20:45:40,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 20:45:40,982 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-07 20:45:40,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:45:40,982 INFO L85 PathProgramCache]: Analyzing trace with hash -757579376, now seen corresponding path program 1 times [2024-11-07 20:45:40,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:45:40,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573315760] [2024-11-07 20:45:40,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:40,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:45:40,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:41,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:45:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:41,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:45:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:41,059 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-07 20:45:41,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:45:41,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573315760] [2024-11-07 20:45:41,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573315760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:45:41,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:45:41,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:45:41,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773942753] [2024-11-07 20:45:41,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:45:41,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:45:41,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:45:41,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:45:41,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:45:41,061 INFO L87 Difference]: Start difference. First operand 174 states and 194 transitions. Second operand has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:45:41,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:45:41,126 INFO L93 Difference]: Finished difference Result 174 states and 194 transitions. [2024-11-07 20:45:41,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:45:41,127 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 75 [2024-11-07 20:45:41,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:45:41,128 INFO L225 Difference]: With dead ends: 174 [2024-11-07 20:45:41,128 INFO L226 Difference]: Without dead ends: 173 [2024-11-07 20:45:41,128 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:45:41,128 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 30 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:45:41,129 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 32 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:45:41,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-07 20:45:41,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2024-11-07 20:45:41,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 155 states have (on average 1.167741935483871) internal successors, (181), 166 states have internal predecessors, (181), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 20:45:41,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 191 transitions. [2024-11-07 20:45:41,138 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 191 transitions. Word has length 75 [2024-11-07 20:45:41,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:45:41,138 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 191 transitions. [2024-11-07 20:45:41,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:45:41,139 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 191 transitions. [2024-11-07 20:45:41,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-07 20:45:41,140 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:45:41,140 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-07 20:45:41,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 20:45:41,140 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-07 20:45:41,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:45:41,141 INFO L85 PathProgramCache]: Analyzing trace with hash 2110661842, now seen corresponding path program 1 times [2024-11-07 20:45:41,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:45:41,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546005072] [2024-11-07 20:45:41,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:41,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:45:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:41,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:45:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:41,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:45:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:41,227 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 37 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-07 20:45:41,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:45:41,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546005072] [2024-11-07 20:45:41,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546005072] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:45:41,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005464063] [2024-11-07 20:45:41,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:41,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:45:41,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:45:41,229 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 20:45:41,231 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 20:45:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:41,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:45:41,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:45:41,325 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 37 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-07 20:45:41,325 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:45:41,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005464063] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:45:41,455 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:45:41,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2024-11-07 20:45:41,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635014274] [2024-11-07 20:45:41,456 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:45:41,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:45:41,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:45:41,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:45:41,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:45:41,456 INFO L87 Difference]: Start difference. First operand 173 states and 191 transitions. Second operand has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:45:41,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:45:41,549 INFO L93 Difference]: Finished difference Result 173 states and 191 transitions. [2024-11-07 20:45:41,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:45:41,550 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 77 [2024-11-07 20:45:41,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:45:41,550 INFO L225 Difference]: With dead ends: 173 [2024-11-07 20:45:41,550 INFO L226 Difference]: Without dead ends: 162 [2024-11-07 20:45:41,551 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:45:41,551 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 75 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:45:41,551 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 37 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:45:41,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-07 20:45:41,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2024-11-07 20:45:41,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 148 states have (on average 1.1216216216216217) internal successors, (166), 155 states have internal predecessors, (166), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 20:45:41,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 176 transitions. [2024-11-07 20:45:41,559 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 176 transitions. Word has length 77 [2024-11-07 20:45:41,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:45:41,560 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 176 transitions. [2024-11-07 20:45:41,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.25) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:45:41,560 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 176 transitions. [2024-11-07 20:45:41,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-07 20:45:41,560 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:45:41,560 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-07 20:45:41,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-07 20:45:41,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:45:41,761 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-07 20:45:41,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:45:41,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1006007724, now seen corresponding path program 1 times [2024-11-07 20:45:41,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:45:41,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713471388] [2024-11-07 20:45:41,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:41,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:45:41,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:45:41,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [147545978] [2024-11-07 20:45:41,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:41,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:45:41,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:45:41,789 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 20:45:41,791 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 20:45:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:41,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:45:41,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:45:41,926 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:45:41,926 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:45:41,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:45:41,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713471388] [2024-11-07 20:45:41,927 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:45:41,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147545978] [2024-11-07 20:45:41,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147545978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:45:41,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:45:41,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:45:41,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228791786] [2024-11-07 20:45:41,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:45:41,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:45:41,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:45:41,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:45:41,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:45:41,929 INFO L87 Difference]: Start difference. First operand 162 states and 176 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:45:42,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:45:42,037 INFO L93 Difference]: Finished difference Result 162 states and 176 transitions. [2024-11-07 20:45:42,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:45:42,037 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 78 [2024-11-07 20:45:42,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:45:42,038 INFO L225 Difference]: With dead ends: 162 [2024-11-07 20:45:42,038 INFO L226 Difference]: Without dead ends: 153 [2024-11-07 20:45:42,038 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:45:42,039 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 25 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:45:42,039 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 78 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:45:42,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-07 20:45:42,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2024-11-07 20:45:42,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 141 states have (on average 1.0851063829787233) internal successors, (153), 146 states have internal predecessors, (153), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 20:45:42,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 163 transitions. [2024-11-07 20:45:42,057 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 163 transitions. Word has length 78 [2024-11-07 20:45:42,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:45:42,057 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 163 transitions. [2024-11-07 20:45:42,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:45:42,057 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 163 transitions. [2024-11-07 20:45:42,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-07 20:45:42,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:45:42,058 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-07 20:45:42,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-07 20:45:42,260 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,SelfDestructingSolverStorable17 [2024-11-07 20:45:42,260 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-07 20:45:42,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:45:42,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1121468436, now seen corresponding path program 1 times [2024-11-07 20:45:42,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:45:42,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238327551] [2024-11-07 20:45:42,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:42,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:45:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:45:42,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2070867188] [2024-11-07 20:45:42,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:42,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:45:42,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:45:42,284 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 20:45:42,286 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 20:45:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:42,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:45:42,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:45:42,416 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:45:42,416 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:45:42,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:45:42,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238327551] [2024-11-07 20:45:42,505 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:45:42,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070867188] [2024-11-07 20:45:42,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070867188] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:45:42,505 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:45:42,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-07 20:45:42,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365038373] [2024-11-07 20:45:42,506 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:45:42,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:45:42,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:45:42,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:45:42,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:45:42,507 INFO L87 Difference]: Start difference. First operand 153 states and 163 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:45:42,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:45:42,605 INFO L93 Difference]: Finished difference Result 154 states and 163 transitions. [2024-11-07 20:45:42,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:45:42,605 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 79 [2024-11-07 20:45:42,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:45:42,606 INFO L225 Difference]: With dead ends: 154 [2024-11-07 20:45:42,606 INFO L226 Difference]: Without dead ends: 153 [2024-11-07 20:45:42,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:45:42,608 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 15 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:45:42,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 48 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:45:42,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-07 20:45:42,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2024-11-07 20:45:42,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 141 states have (on average 1.0780141843971631) internal successors, (152), 146 states have internal predecessors, (152), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 20:45:42,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 162 transitions. [2024-11-07 20:45:42,614 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 162 transitions. Word has length 79 [2024-11-07 20:45:42,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:45:42,615 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 162 transitions. [2024-11-07 20:45:42,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:45:42,615 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 162 transitions. [2024-11-07 20:45:42,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-07 20:45:42,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:45:42,616 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-07 20:45:42,632 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-07 20:45:42,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:45:42,817 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-07 20:45:42,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:45:42,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1447801104, now seen corresponding path program 1 times [2024-11-07 20:45:42,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:45:42,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386867724] [2024-11-07 20:45:42,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:42,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:45:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:45:42,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1432774684] [2024-11-07 20:45:42,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:42,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:45:42,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:45:42,851 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 20:45:42,853 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 20:45:42,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:42,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:45:42,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:45:43,013 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:45:43,013 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:45:43,216 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 83 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:45:43,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:45:43,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386867724] [2024-11-07 20:45:43,216 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:45:43,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432774684] [2024-11-07 20:45:43,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432774684] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:45:43,217 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:45:43,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-07 20:45:43,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172739509] [2024-11-07 20:45:43,217 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:45:43,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 20:45:43,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:45:43,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 20:45:43,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:45:43,218 INFO L87 Difference]: Start difference. First operand 153 states and 162 transitions. Second operand has 10 states, 9 states have (on average 19.11111111111111) internal successors, (172), 10 states have internal predecessors, (172), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:45:43,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:45:43,483 INFO L93 Difference]: Finished difference Result 169 states and 178 transitions. [2024-11-07 20:45:43,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:45:43,484 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 19.11111111111111) internal successors, (172), 10 states have internal predecessors, (172), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 101 [2024-11-07 20:45:43,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:45:43,485 INFO L225 Difference]: With dead ends: 169 [2024-11-07 20:45:43,485 INFO L226 Difference]: Without dead ends: 167 [2024-11-07 20:45:43,485 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:45:43,486 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 111 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:45:43,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 179 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:45:43,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-07 20:45:43,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 152. [2024-11-07 20:45:43,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 141 states have (on average 1.0567375886524824) internal successors, (149), 145 states have internal predecessors, (149), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 20:45:43,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 159 transitions. [2024-11-07 20:45:43,493 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 159 transitions. Word has length 101 [2024-11-07 20:45:43,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:45:43,493 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 159 transitions. [2024-11-07 20:45:43,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 19.11111111111111) internal successors, (172), 10 states have internal predecessors, (172), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:45:43,493 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 159 transitions. [2024-11-07 20:45:43,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-07 20:45:43,494 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:45:43,494 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2024-11-07 20:45:43,511 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 20:45:43,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:45:43,699 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2024-11-07 20:45:43,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:45:43,699 INFO L85 PathProgramCache]: Analyzing trace with hash 232546290, now seen corresponding path program 1 times [2024-11-07 20:45:43,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:45:43,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837235751] [2024-11-07 20:45:43,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:43,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:45:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:45:43,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [782531805] [2024-11-07 20:45:43,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:45:43,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:45:43,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:45:43,725 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 20:45:43,726 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 20:45:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:45:43,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-07 20:45:43,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:45:43,930 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 6 proven. 87 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-07 20:45:43,930 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:45:52,006 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main_~y~0#1| (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 2) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 3)))) (or (not (= (mod .cse0 6) 0)) (< (+ (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) (* |c_ULTIMATE.start_main_~y~0#1| 2) (div .cse0 6)) 9223372036854775807))) is different from false [2024-11-07 20:46:00,051 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-07 20:46:12,066 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)