./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/busybox-1.22.0/usleep-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 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/busybox-1.22.0/usleep-1.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash a7112737a3c832c1ddda92159d204e858126bb49c67e3c039f3263a2d46a93e3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 06:06:58,834 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 06:06:58,902 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-01-10 06:06:58,909 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 06:06:58,909 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 06:06:58,933 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 06:06:58,933 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 06:06:58,934 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 06:06:58,934 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 06:06:58,934 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 06:06:58,934 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 06:06:58,934 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 06:06:58,935 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 06:06:58,935 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 06:06:58,935 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 06:06:58,935 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 06:06:58,935 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 06:06:58,936 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 06:06:58,936 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 06:06:58,936 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 06:06:58,936 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 06:06:58,936 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 06:06:58,936 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 06:06:58,936 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 06:06:58,936 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 06:06:58,937 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 06:06:58,937 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 06:06:58,937 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 06:06:58,937 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:06:58,937 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:06:58,937 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:06:58,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:06:58,937 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 06:06:58,938 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 06:06:58,938 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 06:06:58,938 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 06:06:58,938 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:06:58,938 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 06:06:58,938 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 06:06:58,938 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 06:06:58,939 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 06:06:58,939 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 06:06:58,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 06:06:58,939 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 06:06:58,939 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 06:06:58,939 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 06:06:58,939 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 06:06:58,939 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7112737a3c832c1ddda92159d204e858126bb49c67e3c039f3263a2d46a93e3 [2025-01-10 06:06:59,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 06:06:59,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 06:06:59,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 06:06:59,216 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 06:06:59,216 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 06:06:59,217 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/usleep-1.i [2025-01-10 06:07:00,489 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/289044253/fe765d135533488d8ef418a403a70663/FLAG066d83669 [2025-01-10 06:07:00,980 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 06:07:00,981 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/usleep-1.i [2025-01-10 06:07:01,017 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/289044253/fe765d135533488d8ef418a403a70663/FLAG066d83669 [2025-01-10 06:07:01,034 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/289044253/fe765d135533488d8ef418a403a70663 [2025-01-10 06:07:01,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 06:07:01,041 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 06:07:01,043 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 06:07:01,044 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 06:07:01,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 06:07:01,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:07:01" (1/1) ... [2025-01-10 06:07:01,050 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23308c2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:01, skipping insertion in model container [2025-01-10 06:07:01,050 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:07:01" (1/1) ... [2025-01-10 06:07:01,112 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 06:07:01,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:07:01,956 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 06:07:02,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 06:07:02,172 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2025-01-10 06:07:02,178 INFO L204 MainTranslator]: Completed translation [2025-01-10 06:07:02,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:02 WrapperNode [2025-01-10 06:07:02,179 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 06:07:02,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 06:07:02,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 06:07:02,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 06:07:02,185 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:02" (1/1) ... [2025-01-10 06:07:02,222 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:02" (1/1) ... [2025-01-10 06:07:02,288 INFO L138 Inliner]: procedures = 598, calls = 512, calls flagged for inlining = 19, calls inlined = 17, statements flattened = 901 [2025-01-10 06:07:02,289 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 06:07:02,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 06:07:02,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 06:07:02,290 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 06:07:02,300 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:02" (1/1) ... [2025-01-10 06:07:02,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:02" (1/1) ... [2025-01-10 06:07:02,317 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:02" (1/1) ... [2025-01-10 06:07:02,337 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-01-10 06:07:02,339 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:02" (1/1) ... [2025-01-10 06:07:02,340 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:02" (1/1) ... [2025-01-10 06:07:02,384 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:02" (1/1) ... [2025-01-10 06:07:02,386 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:02" (1/1) ... [2025-01-10 06:07:02,391 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:02" (1/1) ... [2025-01-10 06:07:02,403 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:02" (1/1) ... [2025-01-10 06:07:02,410 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:02" (1/1) ... [2025-01-10 06:07:02,430 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 06:07:02,431 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 06:07:02,431 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 06:07:02,431 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 06:07:02,432 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:02" (1/1) ... [2025-01-10 06:07:02,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 06:07:02,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:07:02,466 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) [2025-01-10 06:07:02,472 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 [2025-01-10 06:07:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-10 06:07:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2025-01-10 06:07:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-01-10 06:07:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-10 06:07:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-01-10 06:07:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 06:07:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-01-10 06:07:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 06:07:02,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 06:07:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2025-01-10 06:07:02,538 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2025-01-10 06:07:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2025-01-10 06:07:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-01-10 06:07:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-10 06:07:02,538 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-10 06:07:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-10 06:07:02,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-01-10 06:07:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-10 06:07:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2025-01-10 06:07:02,539 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2025-01-10 06:07:02,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-10 06:07:02,890 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 06:07:02,892 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 06:07:03,683 INFO L? ?]: Removed 287 outVars from TransFormulas that were not future-live. [2025-01-10 06:07:03,684 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 06:07:03,699 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 06:07:03,700 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2025-01-10 06:07:03,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:07:03 BoogieIcfgContainer [2025-01-10 06:07:03,701 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 06:07:03,702 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 06:07:03,703 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 06:07:03,707 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 06:07:03,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:07:01" (1/3) ... [2025-01-10 06:07:03,708 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b09af4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:07:03, skipping insertion in model container [2025-01-10 06:07:03,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:07:02" (2/3) ... [2025-01-10 06:07:03,708 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b09af4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:07:03, skipping insertion in model container [2025-01-10 06:07:03,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:07:03" (3/3) ... [2025-01-10 06:07:03,710 INFO L128 eAbstractionObserver]: Analyzing ICFG usleep-1.i [2025-01-10 06:07:03,723 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 06:07:03,727 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG usleep-1.i that has 4 procedures, 184 locations, 1 initial locations, 12 loop locations, and 42 error locations. [2025-01-10 06:07:03,778 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 06:07:03,792 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;@3fb9378e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 06:07:03,792 INFO L334 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2025-01-10 06:07:03,796 INFO L276 IsEmpty]: Start isEmpty. Operand has 184 states, 130 states have (on average 1.6692307692307693) internal successors, (217), 172 states have internal predecessors, (217), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 06:07:03,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-01-10 06:07:03,801 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:03,801 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-01-10 06:07:03,802 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 06:07:03,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:03,808 INFO L85 PathProgramCache]: Analyzing trace with hash 8252228, now seen corresponding path program 1 times [2025-01-10 06:07:03,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:03,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803568252] [2025-01-10 06:07:03,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:03,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:04,082 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-01-10 06:07:04,190 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-01-10 06:07:04,190 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:04,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:04,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:07:04,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:04,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803568252] [2025-01-10 06:07:04,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803568252] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:07:04,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:07:04,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:07:04,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190913819] [2025-01-10 06:07:04,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:07:04,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:07:04,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:04,535 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:07:04,535 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:07:04,538 INFO L87 Difference]: Start difference. First operand has 184 states, 130 states have (on average 1.6692307692307693) internal successors, (217), 172 states have internal predecessors, (217), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2025-01-10 06:07:04,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:04,593 INFO L93 Difference]: Finished difference Result 263 states and 340 transitions. [2025-01-10 06:07:04,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:07:04,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2025-01-10 06:07:04,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:04,602 INFO L225 Difference]: With dead ends: 263 [2025-01-10 06:07:04,602 INFO L226 Difference]: Without dead ends: 80 [2025-01-10 06:07:04,609 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:07:04,611 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 1 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:07:04,611 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 189 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:07:04,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2025-01-10 06:07:04,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2025-01-10 06:07:04,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 60 states have (on average 1.55) internal successors, (93), 75 states have internal predecessors, (93), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 06:07:04,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 99 transitions. [2025-01-10 06:07:04,653 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 99 transitions. Word has length 4 [2025-01-10 06:07:04,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:04,654 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 99 transitions. [2025-01-10 06:07:04,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2025-01-10 06:07:04,654 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 99 transitions. [2025-01-10 06:07:04,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-01-10 06:07:04,656 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:04,656 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2025-01-10 06:07:04,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 06:07:04,656 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 06:07:04,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:04,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1029264404, now seen corresponding path program 1 times [2025-01-10 06:07:04,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:04,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761852559] [2025-01-10 06:07:04,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:04,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:04,733 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 06:07:04,764 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 06:07:04,764 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:04,764 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:04,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:07:04,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:04,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761852559] [2025-01-10 06:07:04,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761852559] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:07:04,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447884322] [2025-01-10 06:07:04,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:04,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:07:04,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:07:04,969 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) [2025-01-10 06:07:04,970 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 [2025-01-10 06:07:05,150 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 06:07:05,292 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 06:07:05,292 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:05,292 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:05,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 911 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 06:07:05,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:07:05,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:07:05,328 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:07:05,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447884322] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:07:05,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:07:05,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-01-10 06:07:05,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819210038] [2025-01-10 06:07:05,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:07:05,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:07:05,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:05,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:07:05,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:07:05,332 INFO L87 Difference]: Start difference. First operand 80 states and 99 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2025-01-10 06:07:05,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:05,364 INFO L93 Difference]: Finished difference Result 80 states and 99 transitions. [2025-01-10 06:07:05,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:07:05,365 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 7 [2025-01-10 06:07:05,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:05,366 INFO L225 Difference]: With dead ends: 80 [2025-01-10 06:07:05,366 INFO L226 Difference]: Without dead ends: 79 [2025-01-10 06:07:05,366 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:07:05,367 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 1 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:07:05,368 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 179 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:07:05,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2025-01-10 06:07:05,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2025-01-10 06:07:05,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 60 states have (on average 1.5333333333333334) internal successors, (92), 74 states have internal predecessors, (92), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 06:07:05,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 98 transitions. [2025-01-10 06:07:05,377 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 98 transitions. Word has length 7 [2025-01-10 06:07:05,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:05,377 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 98 transitions. [2025-01-10 06:07:05,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2025-01-10 06:07:05,377 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 98 transitions. [2025-01-10 06:07:05,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-01-10 06:07:05,377 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:05,378 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2025-01-10 06:07:05,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-10 06:07:05,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:07:05,578 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 06:07:05,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:05,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1842425730, now seen corresponding path program 1 times [2025-01-10 06:07:05,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:05,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86318769] [2025-01-10 06:07:05,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:05,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:05,632 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 06:07:05,660 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 06:07:05,661 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:05,661 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:05,762 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 06:07:05,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:05,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86318769] [2025-01-10 06:07:05,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86318769] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:07:05,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:07:05,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:07:05,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520316271] [2025-01-10 06:07:05,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:07:05,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:07:05,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:05,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:07:05,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:07:05,765 INFO L87 Difference]: Start difference. First operand 79 states and 98 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 06:07:05,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:05,782 INFO L93 Difference]: Finished difference Result 79 states and 98 transitions. [2025-01-10 06:07:05,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:07:05,782 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-01-10 06:07:05,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:05,783 INFO L225 Difference]: With dead ends: 79 [2025-01-10 06:07:05,783 INFO L226 Difference]: Without dead ends: 78 [2025-01-10 06:07:05,783 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:07:05,784 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 0 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:07:05,784 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 180 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:07:05,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2025-01-10 06:07:05,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2025-01-10 06:07:05,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 58 states have (on average 1.5344827586206897) internal successors, (89), 71 states have internal predecessors, (89), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 06:07:05,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 95 transitions. [2025-01-10 06:07:05,789 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 95 transitions. Word has length 8 [2025-01-10 06:07:05,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:05,790 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 95 transitions. [2025-01-10 06:07:05,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 06:07:05,790 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 95 transitions. [2025-01-10 06:07:05,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-01-10 06:07:05,790 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:05,790 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:07:05,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 06:07:05,791 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 06:07:05,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:05,791 INFO L85 PathProgramCache]: Analyzing trace with hash 562179410, now seen corresponding path program 1 times [2025-01-10 06:07:05,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:05,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216925027] [2025-01-10 06:07:05,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:05,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:05,839 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 06:07:05,853 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 06:07:05,853 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:05,854 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:06,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:07:06,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:06,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216925027] [2025-01-10 06:07:06,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216925027] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:07:06,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961173842] [2025-01-10 06:07:06,015 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:06,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:07:06,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:07:06,017 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) [2025-01-10 06:07:06,020 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 [2025-01-10 06:07:06,233 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 06:07:06,390 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 06:07:06,390 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:06,390 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:06,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 928 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-01-10 06:07:06,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:07:06,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 06:07:06,415 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:07:06,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [961173842] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:07:06,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:07:06,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2025-01-10 06:07:06,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591627890] [2025-01-10 06:07:06,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:07:06,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:07:06,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:06,417 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:07:06,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:07:06,418 INFO L87 Difference]: Start difference. First operand 76 states and 95 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:07:06,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:06,448 INFO L93 Difference]: Finished difference Result 76 states and 95 transitions. [2025-01-10 06:07:06,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:07:06,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2025-01-10 06:07:06,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:06,449 INFO L225 Difference]: With dead ends: 76 [2025-01-10 06:07:06,449 INFO L226 Difference]: Without dead ends: 74 [2025-01-10 06:07:06,450 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:07:06,450 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 69 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:07:06,452 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 100 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:07:06,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2025-01-10 06:07:06,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2025-01-10 06:07:06,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 58 states have (on average 1.5) internal successors, (87), 69 states have internal predecessors, (87), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 06:07:06,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 93 transitions. [2025-01-10 06:07:06,463 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 93 transitions. Word has length 12 [2025-01-10 06:07:06,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:06,465 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 93 transitions. [2025-01-10 06:07:06,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:07:06,465 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 93 transitions. [2025-01-10 06:07:06,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-01-10 06:07:06,466 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:06,466 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:07:06,476 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-10 06:07:06,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:07:06,670 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 06:07:06,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:06,670 INFO L85 PathProgramCache]: Analyzing trace with hash 247692811, now seen corresponding path program 1 times [2025-01-10 06:07:06,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:06,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900562127] [2025-01-10 06:07:06,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:06,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:06,727 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 06:07:06,740 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 06:07:06,741 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:06,741 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:06,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:07:06,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:06,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900562127] [2025-01-10 06:07:06,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900562127] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:07:06,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483315474] [2025-01-10 06:07:06,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:06,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:07:06,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:07:06,869 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) [2025-01-10 06:07:06,871 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 [2025-01-10 06:07:07,042 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 06:07:07,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 06:07:07,185 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:07,185 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:07,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 929 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 06:07:07,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:07:07,226 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:07:07,227 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:07:07,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:07:07,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [483315474] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:07:07,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:07:07,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-01-10 06:07:07,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825383150] [2025-01-10 06:07:07,263 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:07:07,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 06:07:07,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:07,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 06:07:07,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 06:07:07,264 INFO L87 Difference]: Start difference. First operand 74 states and 93 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 06:07:07,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:07,294 INFO L93 Difference]: Finished difference Result 151 states and 191 transitions. [2025-01-10 06:07:07,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 06:07:07,298 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13 [2025-01-10 06:07:07,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:07,298 INFO L225 Difference]: With dead ends: 151 [2025-01-10 06:07:07,298 INFO L226 Difference]: Without dead ends: 83 [2025-01-10 06:07:07,299 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 06:07:07,299 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 4 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:07:07,299 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 263 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:07:07,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2025-01-10 06:07:07,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2025-01-10 06:07:07,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 67 states have (on average 1.4328358208955223) internal successors, (96), 78 states have internal predecessors, (96), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 06:07:07,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 102 transitions. [2025-01-10 06:07:07,311 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 102 transitions. Word has length 13 [2025-01-10 06:07:07,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:07,311 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 102 transitions. [2025-01-10 06:07:07,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 06:07:07,311 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 102 transitions. [2025-01-10 06:07:07,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2025-01-10 06:07:07,312 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:07,312 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:07:07,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-10 06:07:07,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:07:07,513 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 06:07:07,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:07,513 INFO L85 PathProgramCache]: Analyzing trace with hash -708211397, now seen corresponding path program 2 times [2025-01-10 06:07:07,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:07,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496372166] [2025-01-10 06:07:07,513 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:07:07,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:07,565 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 22 statements into 2 equivalence classes. [2025-01-10 06:07:07,591 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 10 of 22 statements. [2025-01-10 06:07:07,591 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 06:07:07,591 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:07,819 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-01-10 06:07:07,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:07,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496372166] [2025-01-10 06:07:07,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496372166] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:07:07,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:07:07,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 06:07:07,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586379903] [2025-01-10 06:07:07,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:07:07,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 06:07:07,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:07,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 06:07:07,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:07:07,822 INFO L87 Difference]: Start difference. First operand 83 states and 102 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:07:07,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:07,877 INFO L93 Difference]: Finished difference Result 83 states and 102 transitions. [2025-01-10 06:07:07,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 06:07:07,877 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2025-01-10 06:07:07,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:07,878 INFO L225 Difference]: With dead ends: 83 [2025-01-10 06:07:07,878 INFO L226 Difference]: Without dead ends: 81 [2025-01-10 06:07:07,879 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:07:07,879 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 68 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:07:07,880 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 249 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:07:07,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2025-01-10 06:07:07,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2025-01-10 06:07:07,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 67 states have (on average 1.4029850746268657) internal successors, (94), 76 states have internal predecessors, (94), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 06:07:07,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 100 transitions. [2025-01-10 06:07:07,885 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 100 transitions. Word has length 22 [2025-01-10 06:07:07,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:07,886 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 100 transitions. [2025-01-10 06:07:07,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:07:07,886 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 100 transitions. [2025-01-10 06:07:07,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-01-10 06:07:07,886 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:07,886 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:07:07,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 06:07:07,887 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 06:07:07,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:07,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1881713226, now seen corresponding path program 1 times [2025-01-10 06:07:07,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:07,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653624060] [2025-01-10 06:07:07,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:07,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:07,941 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 06:07:07,985 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 06:07:07,985 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:07,985 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:08,145 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-01-10 06:07:08,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:08,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653624060] [2025-01-10 06:07:08,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653624060] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:07:08,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:07:08,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 06:07:08,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16138291] [2025-01-10 06:07:08,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:07:08,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:07:08,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:08,147 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:07:08,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:07:08,147 INFO L87 Difference]: Start difference. First operand 81 states and 100 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:07:08,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:08,168 INFO L93 Difference]: Finished difference Result 145 states and 184 transitions. [2025-01-10 06:07:08,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:07:08,169 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2025-01-10 06:07:08,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:08,170 INFO L225 Difference]: With dead ends: 145 [2025-01-10 06:07:08,170 INFO L226 Difference]: Without dead ends: 84 [2025-01-10 06:07:08,170 INFO L434 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 [2025-01-10 06:07:08,171 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 2 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:07:08,171 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 169 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:07:08,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2025-01-10 06:07:08,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2025-01-10 06:07:08,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 70 states have (on average 1.3857142857142857) internal successors, (97), 79 states have internal predecessors, (97), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 06:07:08,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 103 transitions. [2025-01-10 06:07:08,183 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 103 transitions. Word has length 27 [2025-01-10 06:07:08,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:08,183 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 103 transitions. [2025-01-10 06:07:08,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:07:08,183 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 103 transitions. [2025-01-10 06:07:08,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-01-10 06:07:08,183 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:08,184 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:07:08,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-10 06:07:08,184 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 06:07:08,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:08,184 INFO L85 PathProgramCache]: Analyzing trace with hash 160356047, now seen corresponding path program 1 times [2025-01-10 06:07:08,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:08,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791600751] [2025-01-10 06:07:08,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:08,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:08,236 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 06:07:08,257 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 06:07:08,257 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:08,258 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:08,407 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-01-10 06:07:08,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:08,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791600751] [2025-01-10 06:07:08,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791600751] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:07:08,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:07:08,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:07:08,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729720015] [2025-01-10 06:07:08,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:07:08,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:07:08,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:08,409 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:07:08,409 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:07:08,409 INFO L87 Difference]: Start difference. First operand 84 states and 103 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:07:08,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:08,427 INFO L93 Difference]: Finished difference Result 89 states and 108 transitions. [2025-01-10 06:07:08,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:07:08,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2025-01-10 06:07:08,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:08,428 INFO L225 Difference]: With dead ends: 89 [2025-01-10 06:07:08,428 INFO L226 Difference]: Without dead ends: 87 [2025-01-10 06:07:08,428 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:07:08,429 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 1 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:07:08,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 170 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:07:08,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2025-01-10 06:07:08,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2025-01-10 06:07:08,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 73 states have (on average 1.36986301369863) internal successors, (100), 82 states have internal predecessors, (100), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 06:07:08,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 106 transitions. [2025-01-10 06:07:08,435 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 106 transitions. Word has length 29 [2025-01-10 06:07:08,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:08,435 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 106 transitions. [2025-01-10 06:07:08,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:07:08,435 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 106 transitions. [2025-01-10 06:07:08,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-10 06:07:08,436 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:08,436 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:07:08,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-10 06:07:08,437 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 06:07:08,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:08,437 INFO L85 PathProgramCache]: Analyzing trace with hash 674529510, now seen corresponding path program 1 times [2025-01-10 06:07:08,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:08,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015577955] [2025-01-10 06:07:08,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:08,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:08,509 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 06:07:08,529 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 06:07:08,529 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:08,529 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:08,770 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:07:08,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:08,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015577955] [2025-01-10 06:07:08,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015577955] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:07:08,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017814045] [2025-01-10 06:07:08,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:08,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:07:08,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:07:08,773 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:07:08,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-10 06:07:08,984 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 06:07:09,163 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 06:07:09,163 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:09,163 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:09,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 1125 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 06:07:09,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:07:09,214 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:07:09,214 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:07:09,307 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 06:07:09,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017814045] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:07:09,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:07:09,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2025-01-10 06:07:09,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215401750] [2025-01-10 06:07:09,308 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:07:09,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 06:07:09,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:09,309 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 06:07:09,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-01-10 06:07:09,309 INFO L87 Difference]: Start difference. First operand 87 states and 106 transitions. Second operand has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 06:07:09,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:09,377 INFO L93 Difference]: Finished difference Result 177 states and 220 transitions. [2025-01-10 06:07:09,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 06:07:09,379 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2025-01-10 06:07:09,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:09,380 INFO L225 Difference]: With dead ends: 177 [2025-01-10 06:07:09,380 INFO L226 Difference]: Without dead ends: 105 [2025-01-10 06:07:09,381 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-01-10 06:07:09,381 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 4 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:07:09,381 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 512 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:07:09,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2025-01-10 06:07:09,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2025-01-10 06:07:09,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 91 states have (on average 1.2967032967032968) internal successors, (118), 100 states have internal predecessors, (118), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 06:07:09,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 124 transitions. [2025-01-10 06:07:09,394 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 124 transitions. Word has length 30 [2025-01-10 06:07:09,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:09,395 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 124 transitions. [2025-01-10 06:07:09,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-01-10 06:07:09,396 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions. [2025-01-10 06:07:09,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-01-10 06:07:09,396 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:09,396 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:07:09,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-10 06:07:09,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2025-01-10 06:07:09,598 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 06:07:09,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:09,598 INFO L85 PathProgramCache]: Analyzing trace with hash -532862234, now seen corresponding path program 2 times [2025-01-10 06:07:09,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:09,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017662639] [2025-01-10 06:07:09,599 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:07:09,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:09,681 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 48 statements into 2 equivalence classes. [2025-01-10 06:07:09,818 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 18 of 48 statements. [2025-01-10 06:07:09,818 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 06:07:09,818 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:10,118 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-10 06:07:10,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:10,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017662639] [2025-01-10 06:07:10,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017662639] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:07:10,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:07:10,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-10 06:07:10,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246785735] [2025-01-10 06:07:10,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:07:10,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 06:07:10,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:10,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 06:07:10,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-10 06:07:10,122 INFO L87 Difference]: Start difference. First operand 105 states and 124 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:07:10,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:10,204 INFO L93 Difference]: Finished difference Result 172 states and 208 transitions. [2025-01-10 06:07:10,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 06:07:10,205 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 48 [2025-01-10 06:07:10,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:10,206 INFO L225 Difference]: With dead ends: 172 [2025-01-10 06:07:10,206 INFO L226 Difference]: Without dead ends: 116 [2025-01-10 06:07:10,206 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-01-10 06:07:10,206 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 82 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 06:07:10,207 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 297 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 06:07:10,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2025-01-10 06:07:10,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2025-01-10 06:07:10,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 100 states have (on average 1.3) internal successors, (130), 109 states have internal predecessors, (130), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 06:07:10,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 136 transitions. [2025-01-10 06:07:10,218 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 136 transitions. Word has length 48 [2025-01-10 06:07:10,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:10,218 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 136 transitions. [2025-01-10 06:07:10,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:07:10,218 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 136 transitions. [2025-01-10 06:07:10,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-01-10 06:07:10,219 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:10,219 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:07:10,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-10 06:07:10,219 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 06:07:10,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:10,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1007244475, now seen corresponding path program 1 times [2025-01-10 06:07:10,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:10,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739885597] [2025-01-10 06:07:10,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:10,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:10,298 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-01-10 06:07:10,325 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-10 06:07:10,325 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:10,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:10,480 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-10 06:07:10,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:10,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739885597] [2025-01-10 06:07:10,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739885597] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:07:10,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400353345] [2025-01-10 06:07:10,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:10,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:07:10,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:07:10,483 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:07:10,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-10 06:07:10,705 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-01-10 06:07:10,870 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-10 06:07:10,870 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:10,870 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:10,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 1228 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 06:07:10,879 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:07:10,906 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-10 06:07:10,907 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 06:07:10,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400353345] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:07:10,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 06:07:10,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-01-10 06:07:10,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724857388] [2025-01-10 06:07:10,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:07:10,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 06:07:10,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:10,908 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 06:07:10,908 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:07:10,908 INFO L87 Difference]: Start difference. First operand 114 states and 136 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:07:10,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:10,938 INFO L93 Difference]: Finished difference Result 114 states and 136 transitions. [2025-01-10 06:07:10,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 06:07:10,939 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 48 [2025-01-10 06:07:10,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:10,941 INFO L225 Difference]: With dead ends: 114 [2025-01-10 06:07:10,941 INFO L226 Difference]: Without dead ends: 113 [2025-01-10 06:07:10,942 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 06:07:10,942 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 1 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:07:10,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 248 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:07:10,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2025-01-10 06:07:10,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2025-01-10 06:07:10,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 100 states have (on average 1.28) internal successors, (128), 108 states have internal predecessors, (128), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 06:07:10,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 134 transitions. [2025-01-10 06:07:10,954 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 134 transitions. Word has length 48 [2025-01-10 06:07:10,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:10,954 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 134 transitions. [2025-01-10 06:07:10,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:07:10,954 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 134 transitions. [2025-01-10 06:07:10,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-01-10 06:07:10,955 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:10,955 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:07:10,966 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-10 06:07:11,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-01-10 06:07:11,156 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 06:07:11,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:11,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1159807352, now seen corresponding path program 1 times [2025-01-10 06:07:11,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:11,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098787827] [2025-01-10 06:07:11,157 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:11,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:11,220 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-01-10 06:07:11,262 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-10 06:07:11,262 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:11,262 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:11,371 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2025-01-10 06:07:11,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:11,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098787827] [2025-01-10 06:07:11,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098787827] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 06:07:11,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 06:07:11,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 06:07:11,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300117194] [2025-01-10 06:07:11,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 06:07:11,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 06:07:11,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:11,373 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 06:07:11,373 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:07:11,373 INFO L87 Difference]: Start difference. First operand 113 states and 134 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:07:11,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:11,389 INFO L93 Difference]: Finished difference Result 113 states and 134 transitions. [2025-01-10 06:07:11,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 06:07:11,390 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2025-01-10 06:07:11,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:11,392 INFO L225 Difference]: With dead ends: 113 [2025-01-10 06:07:11,392 INFO L226 Difference]: Without dead ends: 112 [2025-01-10 06:07:11,393 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 06:07:11,393 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:07:11,393 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 167 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:07:11,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2025-01-10 06:07:11,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 108. [2025-01-10 06:07:11,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 96 states have (on average 1.2708333333333333) internal successors, (122), 103 states have internal predecessors, (122), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 06:07:11,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 128 transitions. [2025-01-10 06:07:11,401 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 128 transitions. Word has length 49 [2025-01-10 06:07:11,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:11,401 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 128 transitions. [2025-01-10 06:07:11,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:07:11,402 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 128 transitions. [2025-01-10 06:07:11,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-01-10 06:07:11,402 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:11,402 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:07:11,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-01-10 06:07:11,403 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 06:07:11,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:11,403 INFO L85 PathProgramCache]: Analyzing trace with hash -568922217, now seen corresponding path program 1 times [2025-01-10 06:07:11,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:11,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603391776] [2025-01-10 06:07:11,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:11,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:11,468 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-01-10 06:07:11,488 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-01-10 06:07:11,488 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:11,488 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:11,676 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-10 06:07:11,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:11,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603391776] [2025-01-10 06:07:11,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603391776] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:07:11,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118837181] [2025-01-10 06:07:11,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 06:07:11,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:07:11,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:07:11,679 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:07:11,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-10 06:07:11,950 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-01-10 06:07:12,123 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-01-10 06:07:12,123 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 06:07:12,123 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:12,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 1312 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 06:07:12,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:07:12,157 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-10 06:07:12,158 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:07:12,189 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-10 06:07:12,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118837181] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:07:12,192 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:07:12,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-01-10 06:07:12,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349769146] [2025-01-10 06:07:12,193 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:07:12,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 06:07:12,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:12,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 06:07:12,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 06:07:12,194 INFO L87 Difference]: Start difference. First operand 108 states and 128 transitions. Second operand has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:07:12,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:12,232 INFO L93 Difference]: Finished difference Result 191 states and 234 transitions. [2025-01-10 06:07:12,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 06:07:12,233 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 55 [2025-01-10 06:07:12,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:12,234 INFO L225 Difference]: With dead ends: 191 [2025-01-10 06:07:12,235 INFO L226 Difference]: Without dead ends: 126 [2025-01-10 06:07:12,235 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 06:07:12,236 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 4 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:07:12,236 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 331 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:07:12,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2025-01-10 06:07:12,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2025-01-10 06:07:12,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 114 states have (on average 1.2280701754385965) internal successors, (140), 121 states have internal predecessors, (140), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 06:07:12,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 146 transitions. [2025-01-10 06:07:12,245 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 146 transitions. Word has length 55 [2025-01-10 06:07:12,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:12,246 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 146 transitions. [2025-01-10 06:07:12,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.0) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:07:12,247 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 146 transitions. [2025-01-10 06:07:12,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-01-10 06:07:12,247 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:12,248 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:07:12,260 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-10 06:07:12,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-01-10 06:07:12,450 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 06:07:12,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:12,450 INFO L85 PathProgramCache]: Analyzing trace with hash -481722510, now seen corresponding path program 2 times [2025-01-10 06:07:12,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:12,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122815263] [2025-01-10 06:07:12,450 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:07:12,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:12,515 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 2 equivalence classes. [2025-01-10 06:07:12,623 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-01-10 06:07:12,624 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 06:07:12,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:12,909 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-10 06:07:12,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:12,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122815263] [2025-01-10 06:07:12,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122815263] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:07:12,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094184593] [2025-01-10 06:07:12,910 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 06:07:12,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:07:12,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:07:12,912 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:07:12,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-10 06:07:13,212 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 64 statements into 2 equivalence classes. [2025-01-10 06:07:13,443 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 64 of 64 statements. [2025-01-10 06:07:13,443 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 06:07:13,443 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:13,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 1381 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 06:07:13,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 06:07:13,486 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-10 06:07:13,486 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 06:07:13,561 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-10 06:07:13,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094184593] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 06:07:13,561 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 06:07:13,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2025-01-10 06:07:13,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665487495] [2025-01-10 06:07:13,562 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 06:07:13,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 06:07:13,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 06:07:13,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 06:07:13,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-01-10 06:07:13,563 INFO L87 Difference]: Start difference. First operand 126 states and 146 transitions. Second operand has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:07:13,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 06:07:13,632 INFO L93 Difference]: Finished difference Result 236 states and 285 transitions. [2025-01-10 06:07:13,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 06:07:13,633 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 64 [2025-01-10 06:07:13,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 06:07:13,634 INFO L225 Difference]: With dead ends: 236 [2025-01-10 06:07:13,634 INFO L226 Difference]: Without dead ends: 162 [2025-01-10 06:07:13,635 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-01-10 06:07:13,635 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 4 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 06:07:13,635 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 249 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 06:07:13,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2025-01-10 06:07:13,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2025-01-10 06:07:13,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 150 states have (on average 1.1733333333333333) internal successors, (176), 157 states have internal predecessors, (176), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 06:07:13,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 182 transitions. [2025-01-10 06:07:13,648 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 182 transitions. Word has length 64 [2025-01-10 06:07:13,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 06:07:13,649 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 182 transitions. [2025-01-10 06:07:13,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 06:07:13,649 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 182 transitions. [2025-01-10 06:07:13,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-01-10 06:07:13,650 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 06:07:13,650 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 06:07:13,664 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-10 06:07:13,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:07:13,851 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_error_msg_and_dieErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, bb_error_msg_and_dieErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_error_msg_and_dieErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2025-01-10 06:07:13,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 06:07:13,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1855322862, now seen corresponding path program 3 times [2025-01-10 06:07:13,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 06:07:13,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959185216] [2025-01-10 06:07:13,851 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 06:07:13,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 06:07:13,924 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 82 statements into 12 equivalence classes. [2025-01-10 06:07:14,701 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) and asserted 82 of 82 statements. [2025-01-10 06:07:14,701 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2025-01-10 06:07:14,701 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 06:07:19,219 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2025-01-10 06:07:19,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 06:07:19,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959185216] [2025-01-10 06:07:19,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959185216] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 06:07:19,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [686899488] [2025-01-10 06:07:19,220 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 06:07:19,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 06:07:19,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 06:07:19,224 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 06:07:19,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-10 06:07:19,537 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 82 statements into 12 equivalence classes.