./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! overflow) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', 'a3777e2ab1819fd82e3658352e2b99c7da6626d046ae65288a9623558224827f'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a3777e2ab1819fd82e3658352e2b99c7da6626d046ae65288a9623558224827f --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 19:48:45,041 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 19:48:45,114 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 19:48:45,120 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 19:48:45,120 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 19:48:45,140 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 19:48:45,141 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 19:48:45,142 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 19:48:45,142 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 19:48:45,142 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 19:48:45,142 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 19:48:45,143 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 19:48:45,143 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 19:48:45,143 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 19:48:45,143 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 19:48:45,144 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 19:48:45,144 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 19:48:45,144 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 19:48:45,144 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 19:48:45,144 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 19:48:45,144 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 19:48:45,144 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 19:48:45,144 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 19:48:45,144 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 19:48:45,145 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 19:48:45,145 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 19:48:45,145 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 19:48:45,145 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 19:48:45,145 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 19:48:45,145 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 19:48:45,145 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 19:48:45,146 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 19:48:45,146 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 19:48:45,146 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 19:48:45,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:48:45,146 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 19:48:45,146 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 19:48:45,146 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 19:48:45,146 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 19:48:45,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 19:48:45,147 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 19:48:45,147 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 19:48:45,147 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 19:48:45,147 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 19:48:45,147 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 -> a3777e2ab1819fd82e3658352e2b99c7da6626d046ae65288a9623558224827f [2024-11-07 19:48:45,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 19:48:45,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 19:48:45,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 19:48:45,372 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 19:48:45,372 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 19:48:45,373 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c [2024-11-07 19:48:46,483 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 19:48:46,647 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 19:48:46,647 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/bitvector/s3_srvr_1a.BV.c.cil.c [2024-11-07 19:48:46,660 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3e3aacbdd/1738e829124846898ca298686e9c4bbd/FLAG93eab403a [2024-11-07 19:48:46,672 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3e3aacbdd/1738e829124846898ca298686e9c4bbd [2024-11-07 19:48:46,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 19:48:46,677 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 19:48:46,678 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 19:48:46,678 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 19:48:46,682 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 19:48:46,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:48:46" (1/1) ... [2024-11-07 19:48:46,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@119ed279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:46, skipping insertion in model container [2024-11-07 19:48:46,683 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:48:46" (1/1) ... [2024-11-07 19:48:46,699 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 19:48:46,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:48:46,841 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 19:48:46,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 19:48:46,885 INFO L204 MainTranslator]: Completed translation [2024-11-07 19:48:46,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:46 WrapperNode [2024-11-07 19:48:46,887 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 19:48:46,888 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 19:48:46,888 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 19:48:46,888 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 19:48:46,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:46" (1/1) ... [2024-11-07 19:48:46,899 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:46" (1/1) ... [2024-11-07 19:48:46,923 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 649 [2024-11-07 19:48:46,924 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 19:48:46,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 19:48:46,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 19:48:46,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 19:48:46,932 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:46" (1/1) ... [2024-11-07 19:48:46,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:46" (1/1) ... [2024-11-07 19:48:46,934 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:46" (1/1) ... [2024-11-07 19:48:46,951 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 19:48:46,952 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:46" (1/1) ... [2024-11-07 19:48:46,952 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:46" (1/1) ... [2024-11-07 19:48:46,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:46" (1/1) ... [2024-11-07 19:48:46,974 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:46" (1/1) ... [2024-11-07 19:48:46,975 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:46" (1/1) ... [2024-11-07 19:48:46,980 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:46" (1/1) ... [2024-11-07 19:48:46,982 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 19:48:46,983 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 19:48:46,983 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 19:48:46,983 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 19:48:46,987 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:46" (1/1) ... [2024-11-07 19:48:46,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 19:48:47,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:48:47,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 19:48:47,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 19:48:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 19:48:47,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 19:48:47,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 19:48:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 19:48:47,120 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 19:48:47,121 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 19:48:47,134 WARN L781 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-11-07 19:48:47,505 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##103: assume !false; [2024-11-07 19:48:47,505 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##102: assume false; [2024-11-07 19:48:47,543 INFO L? ?]: Removed 134 outVars from TransFormulas that were not future-live. [2024-11-07 19:48:47,543 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 19:48:47,550 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 19:48:47,551 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 19:48:47,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:48:47 BoogieIcfgContainer [2024-11-07 19:48:47,551 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 19:48:47,552 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 19:48:47,552 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 19:48:47,555 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 19:48:47,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 07:48:46" (1/3) ... [2024-11-07 19:48:47,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b0edd4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:48:47, skipping insertion in model container [2024-11-07 19:48:47,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:48:46" (2/3) ... [2024-11-07 19:48:47,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b0edd4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 07:48:47, skipping insertion in model container [2024-11-07 19:48:47,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:48:47" (3/3) ... [2024-11-07 19:48:47,556 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_1a.BV.c.cil.c [2024-11-07 19:48:47,565 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 19:48:47,566 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-07 19:48:47,596 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 19:48:47,602 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;@1c1f97ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 19:48:47,602 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-07 19:48:47,605 INFO L276 IsEmpty]: Start isEmpty. Operand has 178 states, 173 states have (on average 1.716763005780347) internal successors, (297), 177 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:47,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-07 19:48:47,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:47,609 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:47,609 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:48:47,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:47,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1337000495, now seen corresponding path program 1 times [2024-11-07 19:48:47,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:47,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154196391] [2024-11-07 19:48:47,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:47,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:47,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:48:47,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:47,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154196391] [2024-11-07 19:48:47,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1154196391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:48:47,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:48:47,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:48:47,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045055886] [2024-11-07 19:48:47,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:48:47,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:48:47,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:47,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:48:47,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:47,875 INFO L87 Difference]: Start difference. First operand has 178 states, 173 states have (on average 1.716763005780347) internal successors, (297), 177 states have internal predecessors, (297), 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) Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:48,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:48,041 INFO L93 Difference]: Finished difference Result 364 states and 609 transitions. [2024-11-07 19:48:48,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:48:48,043 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 19 [2024-11-07 19:48:48,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:48,048 INFO L225 Difference]: With dead ends: 364 [2024-11-07 19:48:48,048 INFO L226 Difference]: Without dead ends: 180 [2024-11-07 19:48:48,049 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:48,069 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 94 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:48,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 381 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:48:48,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-11-07 19:48:48,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2024-11-07 19:48:48,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 176 states have (on average 1.5625) internal successors, (275), 179 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:48,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 275 transitions. [2024-11-07 19:48:48,100 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 275 transitions. Word has length 19 [2024-11-07 19:48:48,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:48,100 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 275 transitions. [2024-11-07 19:48:48,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:48,100 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 275 transitions. [2024-11-07 19:48:48,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-07 19:48:48,100 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:48,100 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] [2024-11-07 19:48:48,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 19:48:48,101 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:48:48,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:48,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1754046060, now seen corresponding path program 1 times [2024-11-07 19:48:48,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:48,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463184021] [2024-11-07 19:48:48,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:48,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:48,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:48:48,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:48,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463184021] [2024-11-07 19:48:48,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463184021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:48:48,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:48:48,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:48:48,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296653027] [2024-11-07 19:48:48,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:48:48,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:48:48,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:48,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:48:48,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:48,218 INFO L87 Difference]: Start difference. First operand 180 states and 275 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:48,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:48,343 INFO L93 Difference]: Finished difference Result 355 states and 540 transitions. [2024-11-07 19:48:48,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:48:48,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2024-11-07 19:48:48,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:48,344 INFO L225 Difference]: With dead ends: 355 [2024-11-07 19:48:48,346 INFO L226 Difference]: Without dead ends: 189 [2024-11-07 19:48:48,347 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:48,347 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 81 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:48,348 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 303 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:48:48,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-11-07 19:48:48,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 181. [2024-11-07 19:48:48,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 177 states have (on average 1.5593220338983051) internal successors, (276), 180 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:48,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 276 transitions. [2024-11-07 19:48:48,360 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 276 transitions. Word has length 20 [2024-11-07 19:48:48,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:48,361 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 276 transitions. [2024-11-07 19:48:48,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:48,361 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 276 transitions. [2024-11-07 19:48:48,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-07 19:48:48,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:48,362 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] [2024-11-07 19:48:48,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 19:48:48,362 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:48:48,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:48,363 INFO L85 PathProgramCache]: Analyzing trace with hash 340971783, now seen corresponding path program 1 times [2024-11-07 19:48:48,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:48,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447097449] [2024-11-07 19:48:48,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:48,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:48,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:48:48,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:48,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447097449] [2024-11-07 19:48:48,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447097449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:48:48,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:48:48,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:48:48,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313617620] [2024-11-07 19:48:48,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:48:48,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:48:48,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:48,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:48:48,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:48,427 INFO L87 Difference]: Start difference. First operand 181 states and 276 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:48,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:48,525 INFO L93 Difference]: Finished difference Result 366 states and 560 transitions. [2024-11-07 19:48:48,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:48:48,526 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 21 [2024-11-07 19:48:48,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:48,527 INFO L225 Difference]: With dead ends: 366 [2024-11-07 19:48:48,527 INFO L226 Difference]: Without dead ends: 199 [2024-11-07 19:48:48,528 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:48,528 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 36 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:48,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 380 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:48:48,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-07 19:48:48,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2024-11-07 19:48:48,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 195 states have (on average 1.5333333333333334) internal successors, (299), 198 states have internal predecessors, (299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:48,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 299 transitions. [2024-11-07 19:48:48,535 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 299 transitions. Word has length 21 [2024-11-07 19:48:48,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:48,535 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 299 transitions. [2024-11-07 19:48:48,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:48,535 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 299 transitions. [2024-11-07 19:48:48,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-07 19:48:48,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:48,536 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:48,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 19:48:48,536 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:48:48,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:48,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1548383466, now seen corresponding path program 1 times [2024-11-07 19:48:48,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:48,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646229554] [2024-11-07 19:48:48,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:48,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:48,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:48,593 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:48:48,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:48,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646229554] [2024-11-07 19:48:48,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646229554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:48:48,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:48:48,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:48:48,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114815931] [2024-11-07 19:48:48,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:48:48,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:48:48,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:48,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:48:48,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:48,595 INFO L87 Difference]: Start difference. First operand 199 states and 299 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:48,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:48,724 INFO L93 Difference]: Finished difference Result 436 states and 666 transitions. [2024-11-07 19:48:48,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:48:48,724 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 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 37 [2024-11-07 19:48:48,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:48,725 INFO L225 Difference]: With dead ends: 436 [2024-11-07 19:48:48,726 INFO L226 Difference]: Without dead ends: 251 [2024-11-07 19:48:48,726 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:48,728 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 54 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:48,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 351 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:48:48,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-07 19:48:48,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 231. [2024-11-07 19:48:48,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 227 states have (on average 1.52863436123348) internal successors, (347), 230 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:48,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 347 transitions. [2024-11-07 19:48:48,742 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 347 transitions. Word has length 37 [2024-11-07 19:48:48,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:48,742 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 347 transitions. [2024-11-07 19:48:48,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:48,742 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 347 transitions. [2024-11-07 19:48:48,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-07 19:48:48,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:48,743 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:48,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 19:48:48,744 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:48:48,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:48,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1345495540, now seen corresponding path program 1 times [2024-11-07 19:48:48,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:48,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720657803] [2024-11-07 19:48:48,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:48,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:48,794 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 19:48:48,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:48,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720657803] [2024-11-07 19:48:48,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720657803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:48:48,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:48:48,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:48:48,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695827421] [2024-11-07 19:48:48,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:48:48,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:48:48,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:48,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:48:48,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:48,795 INFO L87 Difference]: Start difference. First operand 231 states and 347 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:48,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:48,927 INFO L93 Difference]: Finished difference Result 519 states and 792 transitions. [2024-11-07 19:48:48,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:48:48,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 38 [2024-11-07 19:48:48,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:48,929 INFO L225 Difference]: With dead ends: 519 [2024-11-07 19:48:48,929 INFO L226 Difference]: Without dead ends: 280 [2024-11-07 19:48:48,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:48,931 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 78 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:48,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 340 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:48:48,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2024-11-07 19:48:48,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 272. [2024-11-07 19:48:48,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 268 states have (on average 1.5) internal successors, (402), 271 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:48,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 402 transitions. [2024-11-07 19:48:48,944 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 402 transitions. Word has length 38 [2024-11-07 19:48:48,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:48,944 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 402 transitions. [2024-11-07 19:48:48,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:48,944 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 402 transitions. [2024-11-07 19:48:48,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-07 19:48:48,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:48,945 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:48,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 19:48:48,945 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:48:48,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:48,946 INFO L85 PathProgramCache]: Analyzing trace with hash 897739899, now seen corresponding path program 1 times [2024-11-07 19:48:48,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:48,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137885764] [2024-11-07 19:48:48,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:48,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:49,004 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-07 19:48:49,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:49,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137885764] [2024-11-07 19:48:49,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137885764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:48:49,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:48:49,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:48:49,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998498180] [2024-11-07 19:48:49,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:48:49,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:48:49,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:49,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:48:49,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:49,007 INFO L87 Difference]: Start difference. First operand 272 states and 402 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:49,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:49,127 INFO L93 Difference]: Finished difference Result 581 states and 862 transitions. [2024-11-07 19:48:49,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:48:49,130 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 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 59 [2024-11-07 19:48:49,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:49,131 INFO L225 Difference]: With dead ends: 581 [2024-11-07 19:48:49,132 INFO L226 Difference]: Without dead ends: 320 [2024-11-07 19:48:49,132 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:49,133 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 78 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:49,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 310 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:48:49,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2024-11-07 19:48:49,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 312. [2024-11-07 19:48:49,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 308 states have (on average 1.5097402597402598) internal successors, (465), 311 states have internal predecessors, (465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:49,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 465 transitions. [2024-11-07 19:48:49,141 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 465 transitions. Word has length 59 [2024-11-07 19:48:49,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:49,141 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 465 transitions. [2024-11-07 19:48:49,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:49,142 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 465 transitions. [2024-11-07 19:48:49,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-07 19:48:49,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:49,144 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:49,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 19:48:49,144 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:48:49,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:49,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1683375660, now seen corresponding path program 1 times [2024-11-07 19:48:49,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:49,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020561959] [2024-11-07 19:48:49,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:49,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:49,187 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-07 19:48:49,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:49,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020561959] [2024-11-07 19:48:49,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020561959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:48:49,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:48:49,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:48:49,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936545675] [2024-11-07 19:48:49,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:48:49,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:48:49,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:49,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:48:49,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:49,188 INFO L87 Difference]: Start difference. First operand 312 states and 465 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:49,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:49,299 INFO L93 Difference]: Finished difference Result 671 states and 1005 transitions. [2024-11-07 19:48:49,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:48:49,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 84 [2024-11-07 19:48:49,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:49,301 INFO L225 Difference]: With dead ends: 671 [2024-11-07 19:48:49,301 INFO L226 Difference]: Without dead ends: 373 [2024-11-07 19:48:49,301 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:49,301 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 36 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:49,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 395 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:48:49,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-11-07 19:48:49,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 360. [2024-11-07 19:48:49,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 356 states have (on average 1.4269662921348314) internal successors, (508), 359 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:49,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 508 transitions. [2024-11-07 19:48:49,312 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 508 transitions. Word has length 84 [2024-11-07 19:48:49,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:49,312 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 508 transitions. [2024-11-07 19:48:49,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:49,312 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 508 transitions. [2024-11-07 19:48:49,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-07 19:48:49,313 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:49,315 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:49,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 19:48:49,315 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:48:49,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:49,316 INFO L85 PathProgramCache]: Analyzing trace with hash 562203794, now seen corresponding path program 1 times [2024-11-07 19:48:49,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:49,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968110486] [2024-11-07 19:48:49,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:49,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:49,354 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-07 19:48:49,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:49,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968110486] [2024-11-07 19:48:49,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968110486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:48:49,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:48:49,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:48:49,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179639538] [2024-11-07 19:48:49,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:48:49,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:48:49,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:49,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:48:49,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:49,355 INFO L87 Difference]: Start difference. First operand 360 states and 508 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:49,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:49,440 INFO L93 Difference]: Finished difference Result 729 states and 1025 transitions. [2024-11-07 19:48:49,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:48:49,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 84 [2024-11-07 19:48:49,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:49,442 INFO L225 Difference]: With dead ends: 729 [2024-11-07 19:48:49,443 INFO L226 Difference]: Without dead ends: 383 [2024-11-07 19:48:49,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:49,444 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 9 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:49,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 415 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:48:49,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-11-07 19:48:49,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2024-11-07 19:48:49,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 379 states have (on average 1.4142480211081794) internal successors, (536), 382 states have internal predecessors, (536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:49,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 536 transitions. [2024-11-07 19:48:49,455 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 536 transitions. Word has length 84 [2024-11-07 19:48:49,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:49,456 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 536 transitions. [2024-11-07 19:48:49,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:49,456 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 536 transitions. [2024-11-07 19:48:49,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-07 19:48:49,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:49,457 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:49,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 19:48:49,458 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:48:49,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:49,459 INFO L85 PathProgramCache]: Analyzing trace with hash 2069573724, now seen corresponding path program 1 times [2024-11-07 19:48:49,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:49,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538028184] [2024-11-07 19:48:49,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:49,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:49,529 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-07 19:48:49,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:49,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538028184] [2024-11-07 19:48:49,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538028184] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:48:49,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:48:49,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:48:49,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913592221] [2024-11-07 19:48:49,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:48:49,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:48:49,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:49,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:48:49,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:49,532 INFO L87 Difference]: Start difference. First operand 383 states and 536 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:49,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:49,651 INFO L93 Difference]: Finished difference Result 764 states and 1067 transitions. [2024-11-07 19:48:49,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:48:49,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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 99 [2024-11-07 19:48:49,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:49,653 INFO L225 Difference]: With dead ends: 764 [2024-11-07 19:48:49,653 INFO L226 Difference]: Without dead ends: 394 [2024-11-07 19:48:49,654 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:49,654 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 79 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:49,654 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 307 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:48:49,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-07 19:48:49,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 386. [2024-11-07 19:48:49,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 382 states have (on average 1.4136125654450262) internal successors, (540), 385 states have internal predecessors, (540), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:49,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 540 transitions. [2024-11-07 19:48:49,667 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 540 transitions. Word has length 99 [2024-11-07 19:48:49,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:49,667 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 540 transitions. [2024-11-07 19:48:49,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:49,667 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 540 transitions. [2024-11-07 19:48:49,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-07 19:48:49,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:49,669 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:49,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 19:48:49,669 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:48:49,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:49,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1088997587, now seen corresponding path program 1 times [2024-11-07 19:48:49,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:49,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052418176] [2024-11-07 19:48:49,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:49,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:49,715 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-07 19:48:49,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:49,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052418176] [2024-11-07 19:48:49,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052418176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:48:49,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:48:49,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:48:49,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652845424] [2024-11-07 19:48:49,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:48:49,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:48:49,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:49,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:48:49,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:49,717 INFO L87 Difference]: Start difference. First operand 386 states and 540 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:49,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:49,810 INFO L93 Difference]: Finished difference Result 783 states and 1093 transitions. [2024-11-07 19:48:49,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:48:49,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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 105 [2024-11-07 19:48:49,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:49,812 INFO L225 Difference]: With dead ends: 783 [2024-11-07 19:48:49,812 INFO L226 Difference]: Without dead ends: 411 [2024-11-07 19:48:49,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:49,814 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 9 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:49,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 414 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:48:49,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-11-07 19:48:49,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2024-11-07 19:48:49,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 407 states have (on average 1.4004914004914004) internal successors, (570), 410 states have internal predecessors, (570), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:49,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 570 transitions. [2024-11-07 19:48:49,825 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 570 transitions. Word has length 105 [2024-11-07 19:48:49,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:49,825 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 570 transitions. [2024-11-07 19:48:49,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:49,825 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 570 transitions. [2024-11-07 19:48:49,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-07 19:48:49,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:49,826 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:49,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 19:48:49,826 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:48:49,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:49,827 INFO L85 PathProgramCache]: Analyzing trace with hash -73613102, now seen corresponding path program 1 times [2024-11-07 19:48:49,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:49,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833138568] [2024-11-07 19:48:49,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:49,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:49,896 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-07 19:48:49,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:49,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833138568] [2024-11-07 19:48:49,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833138568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:48:49,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:48:49,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:48:49,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405283207] [2024-11-07 19:48:49,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:48:49,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:48:49,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:49,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:48:49,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:49,897 INFO L87 Difference]: Start difference. First operand 411 states and 570 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:50,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:50,004 INFO L93 Difference]: Finished difference Result 835 states and 1157 transitions. [2024-11-07 19:48:50,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:48:50,005 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 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 132 [2024-11-07 19:48:50,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:50,006 INFO L225 Difference]: With dead ends: 835 [2024-11-07 19:48:50,006 INFO L226 Difference]: Without dead ends: 438 [2024-11-07 19:48:50,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:50,008 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 9 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:50,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 414 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:48:50,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2024-11-07 19:48:50,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 438. [2024-11-07 19:48:50,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 434 states have (on average 1.3870967741935485) internal successors, (602), 437 states have internal predecessors, (602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:50,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 602 transitions. [2024-11-07 19:48:50,019 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 602 transitions. Word has length 132 [2024-11-07 19:48:50,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:50,020 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 602 transitions. [2024-11-07 19:48:50,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:50,020 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 602 transitions. [2024-11-07 19:48:50,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-07 19:48:50,021 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:50,021 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:50,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 19:48:50,021 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:48:50,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:50,022 INFO L85 PathProgramCache]: Analyzing trace with hash 899100067, now seen corresponding path program 1 times [2024-11-07 19:48:50,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:50,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328631285] [2024-11-07 19:48:50,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:50,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:50,097 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-07 19:48:50,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:50,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328631285] [2024-11-07 19:48:50,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328631285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:48:50,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:48:50,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:48:50,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689004809] [2024-11-07 19:48:50,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:48:50,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:48:50,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:50,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:48:50,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:50,099 INFO L87 Difference]: Start difference. First operand 438 states and 602 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:50,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:50,213 INFO L93 Difference]: Finished difference Result 901 states and 1237 transitions. [2024-11-07 19:48:50,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:48:50,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 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 134 [2024-11-07 19:48:50,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:50,215 INFO L225 Difference]: With dead ends: 901 [2024-11-07 19:48:50,215 INFO L226 Difference]: Without dead ends: 477 [2024-11-07 19:48:50,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:50,216 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 79 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:50,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 320 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:48:50,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2024-11-07 19:48:50,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 452. [2024-11-07 19:48:50,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 448 states have (on average 1.3861607142857142) internal successors, (621), 451 states have internal predecessors, (621), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:50,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 621 transitions. [2024-11-07 19:48:50,226 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 621 transitions. Word has length 134 [2024-11-07 19:48:50,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:50,226 INFO L471 AbstractCegarLoop]: Abstraction has 452 states and 621 transitions. [2024-11-07 19:48:50,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:50,226 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 621 transitions. [2024-11-07 19:48:50,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-07 19:48:50,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:50,230 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:50,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 19:48:50,230 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:48:50,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:50,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1612556305, now seen corresponding path program 1 times [2024-11-07 19:48:50,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:50,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545013455] [2024-11-07 19:48:50,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:50,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:50,288 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-07 19:48:50,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:50,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545013455] [2024-11-07 19:48:50,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545013455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:48:50,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:48:50,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:48:50,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777057246] [2024-11-07 19:48:50,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:48:50,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:48:50,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:50,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:48:50,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:50,290 INFO L87 Difference]: Start difference. First operand 452 states and 621 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:50,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:50,389 INFO L93 Difference]: Finished difference Result 929 states and 1273 transitions. [2024-11-07 19:48:50,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:48:50,389 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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 147 [2024-11-07 19:48:50,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:50,390 INFO L225 Difference]: With dead ends: 929 [2024-11-07 19:48:50,390 INFO L226 Difference]: Without dead ends: 491 [2024-11-07 19:48:50,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:50,393 INFO L432 NwaCegarLoop]: 269 mSDtfsCounter, 36 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:50,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 420 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:48:50,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2024-11-07 19:48:50,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 473. [2024-11-07 19:48:50,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 469 states have (on average 1.3795309168443497) internal successors, (647), 472 states have internal predecessors, (647), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:50,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 647 transitions. [2024-11-07 19:48:50,402 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 647 transitions. Word has length 147 [2024-11-07 19:48:50,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:50,402 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 647 transitions. [2024-11-07 19:48:50,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:50,402 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 647 transitions. [2024-11-07 19:48:50,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-07 19:48:50,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:50,403 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:50,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 19:48:50,403 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:48:50,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:50,404 INFO L85 PathProgramCache]: Analyzing trace with hash 874643371, now seen corresponding path program 1 times [2024-11-07 19:48:50,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:50,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299703352] [2024-11-07 19:48:50,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:50,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:50,481 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-07 19:48:50,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:50,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299703352] [2024-11-07 19:48:50,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299703352] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:48:50,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621441222] [2024-11-07 19:48:50,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:50,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:48:50,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:48:50,484 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 19:48:50,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 19:48:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:50,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 19:48:50,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:48:50,659 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-07 19:48:50,659 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:48:50,708 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 110 proven. 5 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-07 19:48:50,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621441222] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:48:50,709 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:48:50,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-07 19:48:50,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939735090] [2024-11-07 19:48:50,709 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:48:50,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 19:48:50,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:50,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 19:48:50,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:48:50,710 INFO L87 Difference]: Start difference. First operand 473 states and 647 transitions. Second operand has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:51,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:51,172 INFO L93 Difference]: Finished difference Result 1937 states and 2669 transitions. [2024-11-07 19:48:51,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 19:48:51,172 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 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 161 [2024-11-07 19:48:51,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:51,177 INFO L225 Difference]: With dead ends: 1937 [2024-11-07 19:48:51,177 INFO L226 Difference]: Without dead ends: 1443 [2024-11-07 19:48:51,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 324 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-07 19:48:51,178 INFO L432 NwaCegarLoop]: 338 mSDtfsCounter, 660 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 1091 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:51,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [660 Valid, 1091 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 19:48:51,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1443 states. [2024-11-07 19:48:51,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1443 to 1226. [2024-11-07 19:48:51,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1226 states, 1222 states have (on average 1.409165302782324) internal successors, (1722), 1225 states have internal predecessors, (1722), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:51,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 1226 states and 1722 transitions. [2024-11-07 19:48:51,218 INFO L78 Accepts]: Start accepts. Automaton has 1226 states and 1722 transitions. Word has length 161 [2024-11-07 19:48:51,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:51,218 INFO L471 AbstractCegarLoop]: Abstraction has 1226 states and 1722 transitions. [2024-11-07 19:48:51,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.5) internal successors, (135), 6 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:51,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 1722 transitions. [2024-11-07 19:48:51,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-07 19:48:51,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:51,220 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:51,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-07 19:48:51,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-07 19:48:51,424 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:48:51,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:51,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1602592893, now seen corresponding path program 1 times [2024-11-07 19:48:51,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:51,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34302323] [2024-11-07 19:48:51,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:51,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:51,480 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-07 19:48:51,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:51,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34302323] [2024-11-07 19:48:51,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34302323] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:48:51,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829714850] [2024-11-07 19:48:51,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:51,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:48:51,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:48:51,482 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 19:48:51,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 19:48:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:51,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 19:48:51,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:48:51,624 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-07 19:48:51,624 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:48:51,677 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 120 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-07 19:48:51,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829714850] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:48:51,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:48:51,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-07 19:48:51,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232463151] [2024-11-07 19:48:51,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:48:51,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 19:48:51,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:51,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 19:48:51,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 19:48:51,681 INFO L87 Difference]: Start difference. First operand 1226 states and 1722 transitions. Second operand has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:52,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:52,152 INFO L93 Difference]: Finished difference Result 3500 states and 4827 transitions. [2024-11-07 19:48:52,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 19:48:52,153 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 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 163 [2024-11-07 19:48:52,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:52,160 INFO L225 Difference]: With dead ends: 3500 [2024-11-07 19:48:52,160 INFO L226 Difference]: Without dead ends: 2288 [2024-11-07 19:48:52,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-07 19:48:52,163 INFO L432 NwaCegarLoop]: 474 mSDtfsCounter, 657 mSDsluCounter, 765 mSDsCounter, 0 mSdLazyCounter, 592 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 657 SdHoareTripleChecker+Valid, 1239 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:52,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [657 Valid, 1239 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 592 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 19:48:52,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2288 states. [2024-11-07 19:48:52,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2288 to 1951. [2024-11-07 19:48:52,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1951 states, 1947 states have (on average 1.3672316384180792) internal successors, (2662), 1950 states have internal predecessors, (2662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:52,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1951 states to 1951 states and 2662 transitions. [2024-11-07 19:48:52,211 INFO L78 Accepts]: Start accepts. Automaton has 1951 states and 2662 transitions. Word has length 163 [2024-11-07 19:48:52,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:52,212 INFO L471 AbstractCegarLoop]: Abstraction has 1951 states and 2662 transitions. [2024-11-07 19:48:52,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 6 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:52,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2662 transitions. [2024-11-07 19:48:52,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-07 19:48:52,213 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:52,214 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:52,226 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 19:48:52,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-07 19:48:52,418 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:48:52,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:52,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1144734567, now seen corresponding path program 1 times [2024-11-07 19:48:52,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:52,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198713728] [2024-11-07 19:48:52,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:52,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:52,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:52,461 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-07 19:48:52,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:52,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198713728] [2024-11-07 19:48:52,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198713728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:48:52,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:48:52,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:48:52,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065832458] [2024-11-07 19:48:52,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:48:52,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:48:52,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:52,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:48:52,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:52,462 INFO L87 Difference]: Start difference. First operand 1951 states and 2662 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:52,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:52,500 INFO L93 Difference]: Finished difference Result 5058 states and 6904 transitions. [2024-11-07 19:48:52,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:48:52,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 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 170 [2024-11-07 19:48:52,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:52,508 INFO L225 Difference]: With dead ends: 5058 [2024-11-07 19:48:52,509 INFO L226 Difference]: Without dead ends: 3121 [2024-11-07 19:48:52,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:52,511 INFO L432 NwaCegarLoop]: 432 mSDtfsCounter, 175 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:52,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 675 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:48:52,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3121 states. [2024-11-07 19:48:52,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3121 to 2889. [2024-11-07 19:48:52,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2889 states, 2885 states have (on average 1.3729636048526863) internal successors, (3961), 2888 states have internal predecessors, (3961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:52,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2889 states to 2889 states and 3961 transitions. [2024-11-07 19:48:52,587 INFO L78 Accepts]: Start accepts. Automaton has 2889 states and 3961 transitions. Word has length 170 [2024-11-07 19:48:52,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:52,587 INFO L471 AbstractCegarLoop]: Abstraction has 2889 states and 3961 transitions. [2024-11-07 19:48:52,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:52,587 INFO L276 IsEmpty]: Start isEmpty. Operand 2889 states and 3961 transitions. [2024-11-07 19:48:52,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-07 19:48:52,589 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:52,589 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:52,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 19:48:52,589 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:48:52,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:52,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1309139441, now seen corresponding path program 1 times [2024-11-07 19:48:52,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:52,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642371285] [2024-11-07 19:48:52,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:52,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:52,636 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2024-11-07 19:48:52,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:52,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642371285] [2024-11-07 19:48:52,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642371285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:48:52,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:48:52,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:48:52,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363913226] [2024-11-07 19:48:52,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:48:52,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:48:52,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:52,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:48:52,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:52,639 INFO L87 Difference]: Start difference. First operand 2889 states and 3961 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:52,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:52,754 INFO L93 Difference]: Finished difference Result 5283 states and 7197 transitions. [2024-11-07 19:48:52,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:48:52,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 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 172 [2024-11-07 19:48:52,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:52,761 INFO L225 Difference]: With dead ends: 5283 [2024-11-07 19:48:52,762 INFO L226 Difference]: Without dead ends: 2408 [2024-11-07 19:48:52,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:52,764 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 9 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:52,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 401 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:48:52,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2408 states. [2024-11-07 19:48:52,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2408 to 1683. [2024-11-07 19:48:52,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1683 states, 1681 states have (on average 1.3337299226650803) internal successors, (2242), 1682 states have internal predecessors, (2242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:52,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1683 states and 2242 transitions. [2024-11-07 19:48:52,798 INFO L78 Accepts]: Start accepts. Automaton has 1683 states and 2242 transitions. Word has length 172 [2024-11-07 19:48:52,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:52,798 INFO L471 AbstractCegarLoop]: Abstraction has 1683 states and 2242 transitions. [2024-11-07 19:48:52,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:52,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 2242 transitions. [2024-11-07 19:48:52,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-07 19:48:52,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:52,800 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:52,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 19:48:52,800 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:48:52,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:52,800 INFO L85 PathProgramCache]: Analyzing trace with hash 906405431, now seen corresponding path program 1 times [2024-11-07 19:48:52,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:52,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624730643] [2024-11-07 19:48:52,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:52,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:52,864 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2024-11-07 19:48:52,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:52,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624730643] [2024-11-07 19:48:52,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624730643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:48:52,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:48:52,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:48:52,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354775438] [2024-11-07 19:48:52,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:48:52,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:48:52,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:52,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:48:52,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:52,865 INFO L87 Difference]: Start difference. First operand 1683 states and 2242 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:52,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:52,973 INFO L93 Difference]: Finished difference Result 3335 states and 4438 transitions. [2024-11-07 19:48:52,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:48:52,974 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 206 [2024-11-07 19:48:52,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:52,977 INFO L225 Difference]: With dead ends: 3335 [2024-11-07 19:48:52,978 INFO L226 Difference]: Without dead ends: 1666 [2024-11-07 19:48:52,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:52,979 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 62 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:52,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 349 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:48:52,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1666 states. [2024-11-07 19:48:53,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1666 to 1659. [2024-11-07 19:48:53,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1659 states, 1657 states have (on average 1.3174411587205794) internal successors, (2183), 1658 states have internal predecessors, (2183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:53,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1659 states and 2183 transitions. [2024-11-07 19:48:53,006 INFO L78 Accepts]: Start accepts. Automaton has 1659 states and 2183 transitions. Word has length 206 [2024-11-07 19:48:53,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:53,006 INFO L471 AbstractCegarLoop]: Abstraction has 1659 states and 2183 transitions. [2024-11-07 19:48:53,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:53,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 2183 transitions. [2024-11-07 19:48:53,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-07 19:48:53,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:53,008 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:53,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 19:48:53,008 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:48:53,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:53,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1868556935, now seen corresponding path program 1 times [2024-11-07 19:48:53,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:53,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513120056] [2024-11-07 19:48:53,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:53,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:53,062 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-11-07 19:48:53,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:53,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513120056] [2024-11-07 19:48:53,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513120056] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:48:53,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:48:53,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:48:53,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971372319] [2024-11-07 19:48:53,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:48:53,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:48:53,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:53,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:48:53,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:53,064 INFO L87 Difference]: Start difference. First operand 1659 states and 2183 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:53,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:53,162 INFO L93 Difference]: Finished difference Result 2844 states and 3696 transitions. [2024-11-07 19:48:53,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:48:53,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 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 208 [2024-11-07 19:48:53,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:53,165 INFO L225 Difference]: With dead ends: 2844 [2024-11-07 19:48:53,165 INFO L226 Difference]: Without dead ends: 736 [2024-11-07 19:48:53,166 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:53,167 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 28 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:53,167 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 402 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:48:53,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2024-11-07 19:48:53,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 724. [2024-11-07 19:48:53,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 722 states have (on average 1.3019390581717452) internal successors, (940), 723 states have internal predecessors, (940), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:53,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 940 transitions. [2024-11-07 19:48:53,179 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 940 transitions. Word has length 208 [2024-11-07 19:48:53,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:53,179 INFO L471 AbstractCegarLoop]: Abstraction has 724 states and 940 transitions. [2024-11-07 19:48:53,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:53,180 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 940 transitions. [2024-11-07 19:48:53,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2024-11-07 19:48:53,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:53,181 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 8, 8, 7, 7, 6, 6, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:53,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 19:48:53,182 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:48:53,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:53,182 INFO L85 PathProgramCache]: Analyzing trace with hash 377591015, now seen corresponding path program 1 times [2024-11-07 19:48:53,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:53,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151315765] [2024-11-07 19:48:53,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:53,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:53,245 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 531 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2024-11-07 19:48:53,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:53,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151315765] [2024-11-07 19:48:53,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151315765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:48:53,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:48:53,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:48:53,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412607018] [2024-11-07 19:48:53,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:48:53,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:48:53,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:53,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:48:53,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:53,248 INFO L87 Difference]: Start difference. First operand 724 states and 940 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:53,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:53,339 INFO L93 Difference]: Finished difference Result 1536 states and 1984 transitions. [2024-11-07 19:48:53,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:48:53,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 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 306 [2024-11-07 19:48:53,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:53,342 INFO L225 Difference]: With dead ends: 1536 [2024-11-07 19:48:53,342 INFO L226 Difference]: Without dead ends: 826 [2024-11-07 19:48:53,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:53,343 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 9 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:53,343 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 391 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:48:53,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2024-11-07 19:48:53,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 826. [2024-11-07 19:48:53,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 826 states, 824 states have (on average 1.2827669902912622) internal successors, (1057), 825 states have internal predecessors, (1057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:53,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 1057 transitions. [2024-11-07 19:48:53,357 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 1057 transitions. Word has length 306 [2024-11-07 19:48:53,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:53,357 INFO L471 AbstractCegarLoop]: Abstraction has 826 states and 1057 transitions. [2024-11-07 19:48:53,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:53,358 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1057 transitions. [2024-11-07 19:48:53,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2024-11-07 19:48:53,360 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:53,360 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:53,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 19:48:53,360 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:48:53,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:53,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1817503023, now seen corresponding path program 1 times [2024-11-07 19:48:53,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:53,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313725795] [2024-11-07 19:48:53,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:53,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:53,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1156 backedges. 624 proven. 0 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2024-11-07 19:48:53,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:53,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313725795] [2024-11-07 19:48:53,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313725795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:48:53,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:48:53,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:48:53,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929099262] [2024-11-07 19:48:53,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:48:53,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:48:53,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:53,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:48:53,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:53,416 INFO L87 Difference]: Start difference. First operand 826 states and 1057 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:53,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:53,517 INFO L93 Difference]: Finished difference Result 1746 states and 2230 transitions. [2024-11-07 19:48:53,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:48:53,519 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 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 337 [2024-11-07 19:48:53,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:53,521 INFO L225 Difference]: With dead ends: 1746 [2024-11-07 19:48:53,522 INFO L226 Difference]: Without dead ends: 934 [2024-11-07 19:48:53,523 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:53,523 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 9 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:53,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 391 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:48:53,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2024-11-07 19:48:53,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 934. [2024-11-07 19:48:53,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 934 states, 932 states have (on average 1.2660944206008584) internal successors, (1180), 933 states have internal predecessors, (1180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:53,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 934 states and 1180 transitions. [2024-11-07 19:48:53,537 INFO L78 Accepts]: Start accepts. Automaton has 934 states and 1180 transitions. Word has length 337 [2024-11-07 19:48:53,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:53,537 INFO L471 AbstractCegarLoop]: Abstraction has 934 states and 1180 transitions. [2024-11-07 19:48:53,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:53,538 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 1180 transitions. [2024-11-07 19:48:53,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2024-11-07 19:48:53,540 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:53,540 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:53,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-07 19:48:53,541 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:48:53,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:53,541 INFO L85 PathProgramCache]: Analyzing trace with hash 833831308, now seen corresponding path program 1 times [2024-11-07 19:48:53,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:53,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347153961] [2024-11-07 19:48:53,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:53,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:53,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:53,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1420 backedges. 721 proven. 0 refuted. 0 times theorem prover too weak. 699 trivial. 0 not checked. [2024-11-07 19:48:53,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:53,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347153961] [2024-11-07 19:48:53,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347153961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:48:53,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:48:53,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:48:53,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150361382] [2024-11-07 19:48:53,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:48:53,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:48:53,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:53,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:48:53,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:53,611 INFO L87 Difference]: Start difference. First operand 934 states and 1180 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:53,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:53,714 INFO L93 Difference]: Finished difference Result 1853 states and 2336 transitions. [2024-11-07 19:48:53,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:48:53,715 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 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 370 [2024-11-07 19:48:53,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:53,717 INFO L225 Difference]: With dead ends: 1853 [2024-11-07 19:48:53,717 INFO L226 Difference]: Without dead ends: 933 [2024-11-07 19:48:53,718 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:53,719 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 9 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:53,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 387 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:48:53,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2024-11-07 19:48:53,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 709. [2024-11-07 19:48:53,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 709 states, 707 states have (on average 1.28005657708628) internal successors, (905), 708 states have internal predecessors, (905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:53,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 905 transitions. [2024-11-07 19:48:53,730 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 905 transitions. Word has length 370 [2024-11-07 19:48:53,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:53,731 INFO L471 AbstractCegarLoop]: Abstraction has 709 states and 905 transitions. [2024-11-07 19:48:53,731 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:53,731 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 905 transitions. [2024-11-07 19:48:53,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-07 19:48:53,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:53,734 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:53,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-07 19:48:53,734 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:48:53,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:53,734 INFO L85 PathProgramCache]: Analyzing trace with hash -224580578, now seen corresponding path program 1 times [2024-11-07 19:48:53,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:53,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971007085] [2024-11-07 19:48:53,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:53,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:53,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 970 proven. 0 refuted. 0 times theorem prover too weak. 749 trivial. 0 not checked. [2024-11-07 19:48:53,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:53,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971007085] [2024-11-07 19:48:53,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971007085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 19:48:53,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 19:48:53,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 19:48:53,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411825862] [2024-11-07 19:48:53,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 19:48:53,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 19:48:53,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:53,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 19:48:53,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:53,851 INFO L87 Difference]: Start difference. First operand 709 states and 905 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:53,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:53,870 INFO L93 Difference]: Finished difference Result 1836 states and 2319 transitions. [2024-11-07 19:48:53,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 19:48:53,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 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 408 [2024-11-07 19:48:53,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:53,873 INFO L225 Difference]: With dead ends: 1836 [2024-11-07 19:48:53,873 INFO L226 Difference]: Without dead ends: 1141 [2024-11-07 19:48:53,874 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 19:48:53,875 INFO L432 NwaCegarLoop]: 258 mSDtfsCounter, 94 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:53,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 477 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 19:48:53,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2024-11-07 19:48:53,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 1141. [2024-11-07 19:48:53,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1141 states, 1139 states have (on average 1.257243195785777) internal successors, (1432), 1140 states have internal predecessors, (1432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:53,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1141 states to 1141 states and 1432 transitions. [2024-11-07 19:48:53,891 INFO L78 Accepts]: Start accepts. Automaton has 1141 states and 1432 transitions. Word has length 408 [2024-11-07 19:48:53,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:53,891 INFO L471 AbstractCegarLoop]: Abstraction has 1141 states and 1432 transitions. [2024-11-07 19:48:53,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:53,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1432 transitions. [2024-11-07 19:48:53,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2024-11-07 19:48:53,895 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 19:48:53,895 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 11, 11, 10, 10, 9, 9, 8, 8, 8, 8, 6, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 19:48:53,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-07 19:48:53,895 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-07 19:48:53,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 19:48:53,895 INFO L85 PathProgramCache]: Analyzing trace with hash 64238812, now seen corresponding path program 1 times [2024-11-07 19:48:53,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 19:48:53,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443961842] [2024-11-07 19:48:53,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:53,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 19:48:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:54,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 354 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2024-11-07 19:48:54,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 19:48:54,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443961842] [2024-11-07 19:48:54,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443961842] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 19:48:54,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1761215143] [2024-11-07 19:48:54,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 19:48:54,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:48:54,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 19:48:54,017 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 19:48:54,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 19:48:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 19:48:54,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 19:48:54,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 19:48:54,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 354 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2024-11-07 19:48:54,214 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 19:48:54,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1719 backedges. 354 proven. 7 refuted. 0 times theorem prover too weak. 1358 trivial. 0 not checked. [2024-11-07 19:48:54,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1761215143] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 19:48:54,265 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 19:48:54,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2024-11-07 19:48:54,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566347539] [2024-11-07 19:48:54,265 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 19:48:54,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 19:48:54,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 19:48:54,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 19:48:54,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-07 19:48:54,266 INFO L87 Difference]: Start difference. First operand 1141 states and 1432 transitions. Second operand has 8 states, 8 states have (on average 28.375) internal successors, (227), 8 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:54,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 19:48:54,423 INFO L93 Difference]: Finished difference Result 2133 states and 2654 transitions. [2024-11-07 19:48:54,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 19:48:54,423 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 28.375) internal successors, (227), 8 states have internal predecessors, (227), 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 408 [2024-11-07 19:48:54,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 19:48:54,424 INFO L225 Difference]: With dead ends: 2133 [2024-11-07 19:48:54,424 INFO L226 Difference]: Without dead ends: 0 [2024-11-07 19:48:54,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 820 GetRequests, 813 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-07 19:48:54,426 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 86 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 19:48:54,426 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 753 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 19:48:54,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-07 19:48:54,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-07 19:48:54,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:54,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-07 19:48:54,427 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 408 [2024-11-07 19:48:54,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 19:48:54,427 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-07 19:48:54,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 28.375) internal successors, (227), 8 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 19:48:54,427 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-07 19:48:54,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-07 19:48:54,429 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-07 19:48:54,429 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-07 19:48:54,429 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-07 19:48:54,430 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-07 19:48:54,443 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-07 19:48:54,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 19:48:54,633 INFO L407 BasicCegarLoop]: Path program 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] [2024-11-07 19:48:54,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-07 19:48:55,358 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 19:48:55,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 07:48:55 BoogieIcfgContainer [2024-11-07 19:48:55,373 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 19:48:55,374 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 19:48:55,374 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 19:48:55,374 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 19:48:55,374 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:48:47" (3/4) ... [2024-11-07 19:48:55,376 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 19:48:55,388 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-11-07 19:48:55,390 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-07 19:48:55,390 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-07 19:48:55,391 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-07 19:48:55,472 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 19:48:55,473 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 19:48:55,473 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 19:48:55,474 INFO L158 Benchmark]: Toolchain (without parser) took 8796.39ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 91.0MB in the beginning and 116.4MB in the end (delta: -25.4MB). Peak memory consumption was 91.1MB. Max. memory is 16.1GB. [2024-11-07 19:48:55,474 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 117.4MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:48:55,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 209.80ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 74.9MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 19:48:55,474 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.54ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 72.0MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 19:48:55,476 INFO L158 Benchmark]: Boogie Preprocessor took 58.14ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 69.3MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 19:48:55,476 INFO L158 Benchmark]: RCFGBuilder took 568.44ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 73.9MB in the end (delta: -4.8MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2024-11-07 19:48:55,476 INFO L158 Benchmark]: TraceAbstraction took 7820.94ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 73.5MB in the beginning and 127.3MB in the end (delta: -53.8MB). Peak memory consumption was 122.7MB. Max. memory is 16.1GB. [2024-11-07 19:48:55,476 INFO L158 Benchmark]: Witness Printer took 99.45ms. Allocated memory is still 234.9MB. Free memory was 127.3MB in the beginning and 116.4MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 19:48:55,477 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 117.4MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 209.80ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 74.9MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.54ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 72.0MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 58.14ms. Allocated memory is still 117.4MB. Free memory was 72.0MB in the beginning and 69.3MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 568.44ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 73.9MB in the end (delta: -4.8MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. * TraceAbstraction took 7820.94ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 73.5MB in the beginning and 127.3MB in the end (delta: -53.8MB). Peak memory consumption was 122.7MB. Max. memory is 16.1GB. * Witness Printer took 99.45ms. Allocated memory is still 234.9MB. Free memory was 127.3MB in the beginning and 116.4MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 268]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 268]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 270]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 270]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 178 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 24, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2476 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2476 mSDsluCounter, 11306 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5169 mSDsCounter, 448 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3769 IncrementalHoareTripleChecker+Invalid, 4217 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 448 mSolverCounterUnsat, 6137 mSDtfsCounter, 3769 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1551 GetRequests, 1507 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2889occurred in iteration=16, InterpolantAutomatonStates: 87, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 24 MinimizatonAttempts, 1862 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 4620 NumberOfCodeBlocks, 4620 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 5322 ConstructedInterpolants, 0 QuantifiedInterpolants, 7310 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1327 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 30 InterpolantComputations, 21 PerfectInterpolantSequences, 14247/14304 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((((((((((((((((s__state == 8528) || ((s__s3__tmp__next_state___0 <= 8576) && (s__state == 8640))) || (8496 == s__state)) || ((8576 == s__s3__tmp__next_state___0) && (8576 == s__state))) || ((s__state == 8592) && (s__s3__tmp__next_state___0 <= 8576))) || (8560 == s__state)) || ((s__state == 8608) && (s__s3__tmp__next_state___0 <= 8576))) || (((((s__state <= 12291) && (8576 <= s__s3__tmp__next_state___0)) && (0 != s__hit)) && (8576 <= s__state)) && (s__s3__tmp__next_state___0 <= 12291))) || (((8576 == s__s3__tmp__next_state___0) && (s__state <= 8466)) && (8448 <= s__state))) || (s__state == 8512)) || ((s__state == 3) && (s__s3__tmp__next_state___0 <= 8576))) || (((((s__state <= 8466) && (8576 <= s__s3__tmp__next_state___0)) && (8448 <= s__state)) && (0 != s__hit)) && (s__s3__tmp__next_state___0 <= 12291))) || (8464 == s__state)) || ((3 == s__s3__tmp__next_state___0) && (8448 == s__state))) || (((s__state == 3) && (0 != s__hit)) && (s__s3__tmp__next_state___0 <= 12291))) || ((8656 <= s__state) && (s__state <= 8672))) || (8544 == s__state)) RESULT: Ultimate proved your program to be correct! [2024-11-07 19:48:55,497 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE