./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/pc_sfifo_3.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/pc_sfifo_3.cil.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 677126e8d6773c92cc337bfe0a3ec155f49f784424155f33a8c9c24ee0a42113 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 21:19:33,294 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 21:19:33,351 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-11 21:19:33,355 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 21:19:33,356 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 21:19:33,379 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 21:19:33,379 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 21:19:33,379 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 21:19:33,380 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 21:19:33,381 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 21:19:33,381 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 21:19:33,381 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 21:19:33,382 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 21:19:33,382 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 21:19:33,382 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 21:19:33,382 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 21:19:33,382 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 21:19:33,383 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 21:19:33,383 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 21:19:33,385 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 21:19:33,385 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 21:19:33,385 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 21:19:33,386 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 21:19:33,386 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 21:19:33,386 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 21:19:33,386 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 21:19:33,386 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 21:19:33,387 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 21:19:33,387 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 21:19:33,387 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 21:19:33,387 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 21:19:33,387 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 21:19:33,387 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 21:19:33,388 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 21:19:33,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 21:19:33,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 21:19:33,391 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 21:19:33,391 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 21:19:33,391 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 21:19:33,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 21:19:33,392 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 21:19:33,392 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 21:19:33,392 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 21:19:33,393 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 21:19:33,393 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 677126e8d6773c92cc337bfe0a3ec155f49f784424155f33a8c9c24ee0a42113 [2024-10-11 21:19:33,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 21:19:33,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 21:19:33,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 21:19:33,608 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 21:19:33,609 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 21:19:33,610 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/pc_sfifo_3.cil.c [2024-10-11 21:19:34,796 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 21:19:35,016 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 21:19:35,016 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/pc_sfifo_3.cil.c [2024-10-11 21:19:35,028 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/0784cc5b3/0dcd2cdbca144a9c95e937ffdc9ebf0d/FLAG87afa32b4 [2024-10-11 21:19:35,411 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/0784cc5b3/0dcd2cdbca144a9c95e937ffdc9ebf0d [2024-10-11 21:19:35,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 21:19:35,414 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 21:19:35,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 21:19:35,416 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 21:19:35,424 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 21:19:35,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:19:35" (1/1) ... [2024-10-11 21:19:35,425 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fad442f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:19:35, skipping insertion in model container [2024-10-11 21:19:35,425 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:19:35" (1/1) ... [2024-10-11 21:19:35,451 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 21:19:35,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 21:19:35,657 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 21:19:35,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 21:19:35,718 INFO L204 MainTranslator]: Completed translation [2024-10-11 21:19:35,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:19:35 WrapperNode [2024-10-11 21:19:35,719 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 21:19:35,723 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 21:19:35,723 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 21:19:35,723 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 21:19:35,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:19:35" (1/1) ... [2024-10-11 21:19:35,734 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:19:35" (1/1) ... [2024-10-11 21:19:35,753 INFO L138 Inliner]: procedures = 31, calls = 36, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 238 [2024-10-11 21:19:35,753 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 21:19:35,754 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 21:19:35,754 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 21:19:35,754 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 21:19:35,764 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:19:35" (1/1) ... [2024-10-11 21:19:35,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:19:35" (1/1) ... [2024-10-11 21:19:35,766 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:19:35" (1/1) ... [2024-10-11 21:19:35,775 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 21:19:35,775 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:19:35" (1/1) ... [2024-10-11 21:19:35,776 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:19:35" (1/1) ... [2024-10-11 21:19:35,779 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:19:35" (1/1) ... [2024-10-11 21:19:35,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:19:35" (1/1) ... [2024-10-11 21:19:35,785 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:19:35" (1/1) ... [2024-10-11 21:19:35,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:19:35" (1/1) ... [2024-10-11 21:19:35,787 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 21:19:35,788 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 21:19:35,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 21:19:35,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 21:19:35,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:19:35" (1/1) ... [2024-10-11 21:19:35,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 21:19:35,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:19:35,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 21:19:35,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 21:19:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 21:19:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure error [2024-10-11 21:19:35,848 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2024-10-11 21:19:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-10-11 21:19:35,848 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-10-11 21:19:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-10-11 21:19:35,848 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-10-11 21:19:35,848 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-10-11 21:19:35,848 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-10-11 21:19:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-10-11 21:19:35,850 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-10-11 21:19:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-10-11 21:19:35,850 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-10-11 21:19:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 21:19:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-10-11 21:19:35,850 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-10-11 21:19:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 21:19:35,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 21:19:35,850 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-10-11 21:19:35,850 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-10-11 21:19:35,916 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 21:19:35,917 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 21:19:36,142 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !(1 == ~q_free~0); [2024-10-11 21:19:36,143 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##53: assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 2;~a_t~0 := do_read_c_~a~0#1; [2024-10-11 21:19:36,172 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-10-11 21:19:36,172 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 21:19:36,201 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 21:19:36,201 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-11 21:19:36,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:19:36 BoogieIcfgContainer [2024-10-11 21:19:36,204 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 21:19:36,205 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 21:19:36,205 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 21:19:36,208 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 21:19:36,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 09:19:35" (1/3) ... [2024-10-11 21:19:36,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78c8333f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:19:36, skipping insertion in model container [2024-10-11 21:19:36,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:19:35" (2/3) ... [2024-10-11 21:19:36,209 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78c8333f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:19:36, skipping insertion in model container [2024-10-11 21:19:36,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:19:36" (3/3) ... [2024-10-11 21:19:36,210 INFO L112 eAbstractionObserver]: Analyzing ICFG pc_sfifo_3.cil.c [2024-10-11 21:19:36,221 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 21:19:36,222 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-11 21:19:36,267 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 21:19:36,272 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;@1136182c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 21:19:36,272 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-11 21:19:36,275 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 84 states have (on average 1.6428571428571428) internal successors, (138), 93 states have internal predecessors, (138), 16 states have call successors, (16), 8 states have call predecessors, (16), 8 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-11 21:19:36,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-11 21:19:36,283 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:19:36,283 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:19:36,284 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 21:19:36,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:19:36,288 INFO L85 PathProgramCache]: Analyzing trace with hash 323657744, now seen corresponding path program 1 times [2024-10-11 21:19:36,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:19:36,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029460867] [2024-10-11 21:19:36,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:19:36,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:19:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:36,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:36,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:19:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:36,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:19:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:36,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:36,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:19:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:36,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 21:19:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:36,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 21:19:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:36,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:19:36,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:19:36,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029460867] [2024-10-11 21:19:36,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029460867] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:19:36,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:19:36,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 21:19:36,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639017026] [2024-10-11 21:19:36,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:19:36,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 21:19:36,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:19:36,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 21:19:36,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-11 21:19:36,703 INFO L87 Difference]: Start difference. First operand has 115 states, 84 states have (on average 1.6428571428571428) internal successors, (138), 93 states have internal predecessors, (138), 16 states have call successors, (16), 8 states have call predecessors, (16), 8 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-11 21:19:37,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:19:37,420 INFO L93 Difference]: Finished difference Result 373 states and 565 transitions. [2024-10-11 21:19:37,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 21:19:37,422 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 54 [2024-10-11 21:19:37,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:19:37,433 INFO L225 Difference]: With dead ends: 373 [2024-10-11 21:19:37,433 INFO L226 Difference]: Without dead ends: 255 [2024-10-11 21:19:37,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2024-10-11 21:19:37,440 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 357 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 21:19:37,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 509 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 21:19:37,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-10-11 21:19:37,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 216. [2024-10-11 21:19:37,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 167 states have (on average 1.5029940119760479) internal successors, (251), 175 states have internal predecessors, (251), 27 states have call successors, (27), 14 states have call predecessors, (27), 16 states have return successors, (32), 28 states have call predecessors, (32), 27 states have call successors, (32) [2024-10-11 21:19:37,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 310 transitions. [2024-10-11 21:19:37,507 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 310 transitions. Word has length 54 [2024-10-11 21:19:37,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:19:37,507 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 310 transitions. [2024-10-11 21:19:37,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 5 states have internal predecessors, (40), 3 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-11 21:19:37,508 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 310 transitions. [2024-10-11 21:19:37,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-11 21:19:37,511 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:19:37,511 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:19:37,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 21:19:37,512 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 21:19:37,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:19:37,515 INFO L85 PathProgramCache]: Analyzing trace with hash 880293456, now seen corresponding path program 1 times [2024-10-11 21:19:37,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:19:37,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593133086] [2024-10-11 21:19:37,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:19:37,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:19:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:37,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:37,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:19:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:37,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:19:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:37,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:37,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:19:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:37,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 21:19:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:37,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 21:19:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:37,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:19:37,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:19:37,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593133086] [2024-10-11 21:19:37,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593133086] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:19:37,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:19:37,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 21:19:37,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477031553] [2024-10-11 21:19:37,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:19:37,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 21:19:37,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:19:37,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 21:19:37,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 21:19:37,703 INFO L87 Difference]: Start difference. First operand 216 states and 310 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 6 states have internal predecessors, (40), 3 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-11 21:19:38,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:19:38,358 INFO L93 Difference]: Finished difference Result 599 states and 864 transitions. [2024-10-11 21:19:38,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-11 21:19:38,358 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 6 states have internal predecessors, (40), 3 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 54 [2024-10-11 21:19:38,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:19:38,361 INFO L225 Difference]: With dead ends: 599 [2024-10-11 21:19:38,361 INFO L226 Difference]: Without dead ends: 397 [2024-10-11 21:19:38,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2024-10-11 21:19:38,363 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 442 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 21:19:38,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 719 Invalid, 813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 21:19:38,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-10-11 21:19:38,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 323. [2024-10-11 21:19:38,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 252 states have (on average 1.492063492063492) internal successors, (376), 262 states have internal predecessors, (376), 40 states have call successors, (40), 21 states have call predecessors, (40), 25 states have return successors, (53), 42 states have call predecessors, (53), 40 states have call successors, (53) [2024-10-11 21:19:38,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 469 transitions. [2024-10-11 21:19:38,399 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 469 transitions. Word has length 54 [2024-10-11 21:19:38,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:19:38,399 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 469 transitions. [2024-10-11 21:19:38,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 6 states have internal predecessors, (40), 3 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-11 21:19:38,400 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 469 transitions. [2024-10-11 21:19:38,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-11 21:19:38,402 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:19:38,402 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:19:38,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 21:19:38,402 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 21:19:38,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:19:38,403 INFO L85 PathProgramCache]: Analyzing trace with hash -17099822, now seen corresponding path program 1 times [2024-10-11 21:19:38,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:19:38,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629078339] [2024-10-11 21:19:38,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:19:38,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:19:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:38,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:38,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:19:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:38,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:19:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:38,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:38,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:38,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:19:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:38,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 21:19:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:38,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-11 21:19:38,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:38,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:19:38,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:19:38,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629078339] [2024-10-11 21:19:38,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629078339] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:19:38,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:19:38,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 21:19:38,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589884482] [2024-10-11 21:19:38,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:19:38,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 21:19:38,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:19:38,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 21:19:38,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-11 21:19:38,512 INFO L87 Difference]: Start difference. First operand 323 states and 469 transitions. Second operand has 9 states, 8 states have (on average 5.0) internal successors, (40), 6 states have internal predecessors, (40), 5 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 5 states have call successors, (7) [2024-10-11 21:19:39,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:19:39,396 INFO L93 Difference]: Finished difference Result 1265 states and 1845 transitions. [2024-10-11 21:19:39,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-11 21:19:39,396 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.0) internal successors, (40), 6 states have internal predecessors, (40), 5 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 5 states have call successors, (7) Word has length 54 [2024-10-11 21:19:39,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:19:39,400 INFO L225 Difference]: With dead ends: 1265 [2024-10-11 21:19:39,401 INFO L226 Difference]: Without dead ends: 944 [2024-10-11 21:19:39,406 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=503, Unknown=0, NotChecked=0, Total=650 [2024-10-11 21:19:39,407 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 783 mSDsluCounter, 865 mSDsCounter, 0 mSdLazyCounter, 1084 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 801 SdHoareTripleChecker+Valid, 1065 SdHoareTripleChecker+Invalid, 1252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 1084 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 21:19:39,408 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [801 Valid, 1065 Invalid, 1252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 1084 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 21:19:39,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2024-10-11 21:19:39,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 816. [2024-10-11 21:19:39,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 816 states, 649 states have (on average 1.4406779661016949) internal successors, (935), 667 states have internal predecessors, (935), 90 states have call successors, (90), 62 states have call predecessors, (90), 71 states have return successors, (117), 88 states have call predecessors, (117), 90 states have call successors, (117) [2024-10-11 21:19:39,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1142 transitions. [2024-10-11 21:19:39,455 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 1142 transitions. Word has length 54 [2024-10-11 21:19:39,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:19:39,455 INFO L471 AbstractCegarLoop]: Abstraction has 816 states and 1142 transitions. [2024-10-11 21:19:39,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.0) internal successors, (40), 6 states have internal predecessors, (40), 5 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 5 states have call successors, (7) [2024-10-11 21:19:39,456 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1142 transitions. [2024-10-11 21:19:39,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-11 21:19:39,457 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:19:39,457 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:19:39,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 21:19:39,457 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 21:19:39,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:19:39,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1411528272, now seen corresponding path program 1 times [2024-10-11 21:19:39,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:19:39,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736396871] [2024-10-11 21:19:39,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:19:39,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:19:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:39,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:39,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:19:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:39,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:19:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:39,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:39,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 21:19:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:39,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 21:19:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:39,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 21:19:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:39,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:19:39,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:19:39,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736396871] [2024-10-11 21:19:39,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736396871] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:19:39,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:19:39,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 21:19:39,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142946182] [2024-10-11 21:19:39,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:19:39,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 21:19:39,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:19:39,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 21:19:39,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-11 21:19:39,561 INFO L87 Difference]: Start difference. First operand 816 states and 1142 transitions. Second operand has 9 states, 8 states have (on average 5.125) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 21:19:39,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:19:39,944 INFO L93 Difference]: Finished difference Result 1698 states and 2388 transitions. [2024-10-11 21:19:39,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 21:19:39,947 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.125) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 55 [2024-10-11 21:19:39,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:19:39,951 INFO L225 Difference]: With dead ends: 1698 [2024-10-11 21:19:39,951 INFO L226 Difference]: Without dead ends: 890 [2024-10-11 21:19:39,953 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-10-11 21:19:39,954 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 117 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:19:39,954 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 584 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:19:39,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2024-10-11 21:19:40,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 832. [2024-10-11 21:19:40,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 832 states, 661 states have (on average 1.426626323751891) internal successors, (943), 679 states have internal predecessors, (943), 90 states have call successors, (90), 62 states have call predecessors, (90), 75 states have return successors, (121), 92 states have call predecessors, (121), 90 states have call successors, (121) [2024-10-11 21:19:40,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1154 transitions. [2024-10-11 21:19:40,023 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1154 transitions. Word has length 55 [2024-10-11 21:19:40,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:19:40,023 INFO L471 AbstractCegarLoop]: Abstraction has 832 states and 1154 transitions. [2024-10-11 21:19:40,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.125) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 21:19:40,024 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1154 transitions. [2024-10-11 21:19:40,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-11 21:19:40,024 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:19:40,025 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:19:40,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 21:19:40,025 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 21:19:40,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:19:40,025 INFO L85 PathProgramCache]: Analyzing trace with hash -709928398, now seen corresponding path program 1 times [2024-10-11 21:19:40,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:19:40,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642485946] [2024-10-11 21:19:40,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:19:40,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:19:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:40,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:40,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:40,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:19:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:40,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:19:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:40,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:40,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 21:19:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:40,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 21:19:40,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:40,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 21:19:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:40,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:19:40,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:19:40,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642485946] [2024-10-11 21:19:40,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642485946] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:19:40,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:19:40,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 21:19:40,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124099657] [2024-10-11 21:19:40,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:19:40,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 21:19:40,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:19:40,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 21:19:40,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-11 21:19:40,210 INFO L87 Difference]: Start difference. First operand 832 states and 1154 transitions. Second operand has 9 states, 8 states have (on average 5.125) internal successors, (41), 6 states have internal predecessors, (41), 4 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2024-10-11 21:19:41,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:19:41,209 INFO L93 Difference]: Finished difference Result 3143 states and 4470 transitions. [2024-10-11 21:19:41,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-11 21:19:41,210 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.125) internal successors, (41), 6 states have internal predecessors, (41), 4 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 55 [2024-10-11 21:19:41,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:19:41,217 INFO L225 Difference]: With dead ends: 3143 [2024-10-11 21:19:41,217 INFO L226 Difference]: Without dead ends: 2319 [2024-10-11 21:19:41,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=147, Invalid=503, Unknown=0, NotChecked=0, Total=650 [2024-10-11 21:19:41,219 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 937 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 939 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 955 SdHoareTripleChecker+Valid, 917 SdHoareTripleChecker+Invalid, 1158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 219 IncrementalHoareTripleChecker+Valid, 939 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 21:19:41,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [955 Valid, 917 Invalid, 1158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 939 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 21:19:41,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2319 states. [2024-10-11 21:19:41,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2319 to 2034. [2024-10-11 21:19:41,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2034 states, 1612 states have (on average 1.3839950372208436) internal successors, (2231), 1647 states have internal predecessors, (2231), 225 states have call successors, (225), 161 states have call predecessors, (225), 191 states have return successors, (300), 227 states have call predecessors, (300), 225 states have call successors, (300) [2024-10-11 21:19:41,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2034 states to 2034 states and 2756 transitions. [2024-10-11 21:19:41,309 INFO L78 Accepts]: Start accepts. Automaton has 2034 states and 2756 transitions. Word has length 55 [2024-10-11 21:19:41,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:19:41,309 INFO L471 AbstractCegarLoop]: Abstraction has 2034 states and 2756 transitions. [2024-10-11 21:19:41,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.125) internal successors, (41), 6 states have internal predecessors, (41), 4 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2024-10-11 21:19:41,310 INFO L276 IsEmpty]: Start isEmpty. Operand 2034 states and 2756 transitions. [2024-10-11 21:19:41,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-11 21:19:41,310 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:19:41,310 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:19:41,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 21:19:41,311 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 21:19:41,311 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:19:41,311 INFO L85 PathProgramCache]: Analyzing trace with hash -877185763, now seen corresponding path program 1 times [2024-10-11 21:19:41,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:19:41,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793230890] [2024-10-11 21:19:41,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:19:41,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:19:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:41,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:41,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:19:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:41,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:19:41,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:41,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:41,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 21:19:41,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:41,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 21:19:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:41,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 21:19:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:41,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:19:41,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:19:41,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793230890] [2024-10-11 21:19:41,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793230890] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:19:41,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:19:41,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 21:19:41,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744995909] [2024-10-11 21:19:41,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:19:41,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 21:19:41,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:19:41,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 21:19:41,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-11 21:19:41,425 INFO L87 Difference]: Start difference. First operand 2034 states and 2756 transitions. Second operand has 9 states, 8 states have (on average 5.25) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 21:19:41,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:19:41,871 INFO L93 Difference]: Finished difference Result 4288 states and 5860 transitions. [2024-10-11 21:19:41,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 21:19:41,872 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.25) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) Word has length 56 [2024-10-11 21:19:41,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:19:41,880 INFO L225 Difference]: With dead ends: 4288 [2024-10-11 21:19:41,880 INFO L226 Difference]: Without dead ends: 2262 [2024-10-11 21:19:41,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2024-10-11 21:19:41,884 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 120 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 511 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 21:19:41,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 582 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 21:19:41,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2262 states. [2024-10-11 21:19:42,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2262 to 2114. [2024-10-11 21:19:42,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2114 states, 1672 states have (on average 1.3702153110047848) internal successors, (2291), 1707 states have internal predecessors, (2291), 225 states have call successors, (225), 161 states have call predecessors, (225), 211 states have return successors, (320), 247 states have call predecessors, (320), 225 states have call successors, (320) [2024-10-11 21:19:42,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 2114 states and 2836 transitions. [2024-10-11 21:19:42,018 INFO L78 Accepts]: Start accepts. Automaton has 2114 states and 2836 transitions. Word has length 56 [2024-10-11 21:19:42,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:19:42,018 INFO L471 AbstractCegarLoop]: Abstraction has 2114 states and 2836 transitions. [2024-10-11 21:19:42,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.25) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 21:19:42,019 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 2836 transitions. [2024-10-11 21:19:42,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-11 21:19:42,019 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:19:42,019 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:19:42,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 21:19:42,020 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 21:19:42,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:19:42,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1612343199, now seen corresponding path program 1 times [2024-10-11 21:19:42,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:19:42,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335557296] [2024-10-11 21:19:42,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:19:42,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:19:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:42,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:42,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:19:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:42,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:19:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:42,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:42,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 21:19:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:42,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 21:19:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:42,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 21:19:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:42,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:19:42,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:19:42,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335557296] [2024-10-11 21:19:42,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335557296] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:19:42,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:19:42,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 21:19:42,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416620944] [2024-10-11 21:19:42,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:19:42,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 21:19:42,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:19:42,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 21:19:42,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 21:19:42,105 INFO L87 Difference]: Start difference. First operand 2114 states and 2836 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 6 states have internal predecessors, (42), 3 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-11 21:19:42,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:19:42,698 INFO L93 Difference]: Finished difference Result 4245 states and 5693 transitions. [2024-10-11 21:19:42,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 21:19:42,699 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 6 states have internal predecessors, (42), 3 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 56 [2024-10-11 21:19:42,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:19:42,706 INFO L225 Difference]: With dead ends: 4245 [2024-10-11 21:19:42,706 INFO L226 Difference]: Without dead ends: 2139 [2024-10-11 21:19:42,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2024-10-11 21:19:42,709 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 471 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 21:19:42,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 511 Invalid, 712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 21:19:42,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2139 states. [2024-10-11 21:19:42,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2139 to 1814. [2024-10-11 21:19:42,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1814 states, 1444 states have (on average 1.3663434903047091) internal successors, (1973), 1474 states have internal predecessors, (1973), 188 states have call successors, (188), 136 states have call predecessors, (188), 176 states have return successors, (267), 204 states have call predecessors, (267), 188 states have call successors, (267) [2024-10-11 21:19:42,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1814 states to 1814 states and 2428 transitions. [2024-10-11 21:19:42,791 INFO L78 Accepts]: Start accepts. Automaton has 1814 states and 2428 transitions. Word has length 56 [2024-10-11 21:19:42,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:19:42,791 INFO L471 AbstractCegarLoop]: Abstraction has 1814 states and 2428 transitions. [2024-10-11 21:19:42,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 6 states have internal predecessors, (42), 3 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-11 21:19:42,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 2428 transitions. [2024-10-11 21:19:42,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-11 21:19:42,792 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:19:42,792 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:19:42,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 21:19:42,792 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 21:19:42,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:19:42,793 INFO L85 PathProgramCache]: Analyzing trace with hash -381801507, now seen corresponding path program 1 times [2024-10-11 21:19:42,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:19:42,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577612349] [2024-10-11 21:19:42,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:19:42,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:19:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:42,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:42,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:42,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:19:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:42,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:19:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:42,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:42,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:42,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 21:19:42,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:42,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 21:19:42,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:42,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 21:19:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:42,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:19:42,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:19:42,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577612349] [2024-10-11 21:19:42,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577612349] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:19:42,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:19:42,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 21:19:42,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242136451] [2024-10-11 21:19:42,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:19:42,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 21:19:42,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:19:42,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 21:19:42,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-11 21:19:42,856 INFO L87 Difference]: Start difference. First operand 1814 states and 2428 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-11 21:19:43,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:19:43,321 INFO L93 Difference]: Finished difference Result 5491 states and 7435 transitions. [2024-10-11 21:19:43,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 21:19:43,321 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 56 [2024-10-11 21:19:43,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:19:43,333 INFO L225 Difference]: With dead ends: 5491 [2024-10-11 21:19:43,333 INFO L226 Difference]: Without dead ends: 3686 [2024-10-11 21:19:43,336 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-10-11 21:19:43,336 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 428 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:19:43,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 336 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:19:43,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3686 states. [2024-10-11 21:19:43,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3686 to 3502. [2024-10-11 21:19:43,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3502 states, 2751 states have (on average 1.3293347873500545) internal successors, (3657), 2806 states have internal predecessors, (3657), 384 states have call successors, (384), 272 states have call predecessors, (384), 361 states have return successors, (629), 425 states have call predecessors, (629), 384 states have call successors, (629) [2024-10-11 21:19:43,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3502 states to 3502 states and 4670 transitions. [2024-10-11 21:19:43,594 INFO L78 Accepts]: Start accepts. Automaton has 3502 states and 4670 transitions. Word has length 56 [2024-10-11 21:19:43,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:19:43,594 INFO L471 AbstractCegarLoop]: Abstraction has 3502 states and 4670 transitions. [2024-10-11 21:19:43,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (7), 4 states have call predecessors, (7), 3 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-11 21:19:43,595 INFO L276 IsEmpty]: Start isEmpty. Operand 3502 states and 4670 transitions. [2024-10-11 21:19:43,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-11 21:19:43,595 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:19:43,595 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:19:43,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 21:19:43,595 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 21:19:43,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:19:43,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1940001356, now seen corresponding path program 1 times [2024-10-11 21:19:43,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:19:43,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270903247] [2024-10-11 21:19:43,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:19:43,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:19:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:43,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:43,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:43,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:19:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:43,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:19:43,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:43,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:43,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:43,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 21:19:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:43,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 21:19:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:43,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 21:19:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:43,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:19:43,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:19:43,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270903247] [2024-10-11 21:19:43,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270903247] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:19:43,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:19:43,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 21:19:43,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992330038] [2024-10-11 21:19:43,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:19:43,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 21:19:43,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:19:43,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 21:19:43,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 21:19:43,637 INFO L87 Difference]: Start difference. First operand 3502 states and 4670 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 21:19:44,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:19:44,064 INFO L93 Difference]: Finished difference Result 7029 states and 9427 transitions. [2024-10-11 21:19:44,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 21:19:44,064 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 57 [2024-10-11 21:19:44,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:19:44,076 INFO L225 Difference]: With dead ends: 7029 [2024-10-11 21:19:44,076 INFO L226 Difference]: Without dead ends: 3539 [2024-10-11 21:19:44,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-10-11 21:19:44,082 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 375 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:19:44,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 316 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:19:44,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3539 states. [2024-10-11 21:19:44,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3539 to 3254. [2024-10-11 21:19:44,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3254 states, 2541 states have (on average 1.3057851239669422) internal successors, (3318), 2593 states have internal predecessors, (3318), 378 states have call successors, (378), 266 states have call predecessors, (378), 331 states have return successors, (588), 396 states have call predecessors, (588), 378 states have call successors, (588) [2024-10-11 21:19:44,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3254 states to 3254 states and 4284 transitions. [2024-10-11 21:19:44,284 INFO L78 Accepts]: Start accepts. Automaton has 3254 states and 4284 transitions. Word has length 57 [2024-10-11 21:19:44,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:19:44,284 INFO L471 AbstractCegarLoop]: Abstraction has 3254 states and 4284 transitions. [2024-10-11 21:19:44,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 21:19:44,285 INFO L276 IsEmpty]: Start isEmpty. Operand 3254 states and 4284 transitions. [2024-10-11 21:19:44,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-11 21:19:44,285 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:19:44,285 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:19:44,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 21:19:44,285 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 21:19:44,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:19:44,286 INFO L85 PathProgramCache]: Analyzing trace with hash 577308080, now seen corresponding path program 1 times [2024-10-11 21:19:44,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:19:44,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468740448] [2024-10-11 21:19:44,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:19:44,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:19:44,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:44,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:44,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:19:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:44,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:19:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:44,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:44,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 21:19:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:44,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 21:19:44,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:44,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 21:19:44,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:44,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 21:19:44,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:19:44,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468740448] [2024-10-11 21:19:44,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468740448] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:19:44,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:19:44,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 21:19:44,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021767921] [2024-10-11 21:19:44,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:19:44,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 21:19:44,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:19:44,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 21:19:44,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 21:19:44,340 INFO L87 Difference]: Start difference. First operand 3254 states and 4284 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 21:19:44,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:19:44,759 INFO L93 Difference]: Finished difference Result 6695 states and 8819 transitions. [2024-10-11 21:19:44,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 21:19:44,760 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 57 [2024-10-11 21:19:44,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:19:44,772 INFO L225 Difference]: With dead ends: 6695 [2024-10-11 21:19:44,772 INFO L226 Difference]: Without dead ends: 3453 [2024-10-11 21:19:44,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:19:44,777 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 254 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:19:44,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 397 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:19:44,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3453 states. [2024-10-11 21:19:45,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3453 to 3252. [2024-10-11 21:19:45,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3252 states, 2539 states have (on average 1.3044505710909806) internal successors, (3312), 2591 states have internal predecessors, (3312), 378 states have call successors, (378), 266 states have call predecessors, (378), 331 states have return successors, (588), 396 states have call predecessors, (588), 378 states have call successors, (588) [2024-10-11 21:19:45,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3252 states to 3252 states and 4278 transitions. [2024-10-11 21:19:45,020 INFO L78 Accepts]: Start accepts. Automaton has 3252 states and 4278 transitions. Word has length 57 [2024-10-11 21:19:45,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:19:45,021 INFO L471 AbstractCegarLoop]: Abstraction has 3252 states and 4278 transitions. [2024-10-11 21:19:45,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-11 21:19:45,021 INFO L276 IsEmpty]: Start isEmpty. Operand 3252 states and 4278 transitions. [2024-10-11 21:19:45,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-11 21:19:45,022 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:19:45,022 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:19:45,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 21:19:45,023 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 21:19:45,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:19:45,023 INFO L85 PathProgramCache]: Analyzing trace with hash 2120004182, now seen corresponding path program 1 times [2024-10-11 21:19:45,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:19:45,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424384064] [2024-10-11 21:19:45,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:19:45,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:19:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:45,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:45,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:45,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:19:45,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:45,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:19:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:45,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:45,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 21:19:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:45,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 21:19:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:45,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 21:19:45,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:45,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 21:19:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:45,098 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-11 21:19:45,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:19:45,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424384064] [2024-10-11 21:19:45,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424384064] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:19:45,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:19:45,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 21:19:45,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719045389] [2024-10-11 21:19:45,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:19:45,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-11 21:19:45,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:19:45,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-11 21:19:45,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-11 21:19:45,100 INFO L87 Difference]: Start difference. First operand 3252 states and 4278 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 4 states have internal predecessors, (52), 4 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-11 21:19:45,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:19:45,814 INFO L93 Difference]: Finished difference Result 9906 states and 13148 transitions. [2024-10-11 21:19:45,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 21:19:45,814 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 4 states have internal predecessors, (52), 4 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 71 [2024-10-11 21:19:45,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:19:45,834 INFO L225 Difference]: With dead ends: 9906 [2024-10-11 21:19:45,834 INFO L226 Difference]: Without dead ends: 6668 [2024-10-11 21:19:45,839 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2024-10-11 21:19:45,840 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 434 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 443 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:19:45,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 294 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:19:45,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6668 states. [2024-10-11 21:19:46,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6668 to 6326. [2024-10-11 21:19:46,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6326 states, 4887 states have (on average 1.2870881931655411) internal successors, (6290), 5006 states have internal predecessors, (6290), 755 states have call successors, (755), 532 states have call predecessors, (755), 680 states have return successors, (1271), 791 states have call predecessors, (1271), 755 states have call successors, (1271) [2024-10-11 21:19:46,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6326 states to 6326 states and 8316 transitions. [2024-10-11 21:19:46,208 INFO L78 Accepts]: Start accepts. Automaton has 6326 states and 8316 transitions. Word has length 71 [2024-10-11 21:19:46,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:19:46,210 INFO L471 AbstractCegarLoop]: Abstraction has 6326 states and 8316 transitions. [2024-10-11 21:19:46,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 4 states have internal predecessors, (52), 4 states have call successors, (8), 4 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-10-11 21:19:46,210 INFO L276 IsEmpty]: Start isEmpty. Operand 6326 states and 8316 transitions. [2024-10-11 21:19:46,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-11 21:19:46,212 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:19:46,212 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:19:46,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 21:19:46,212 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 21:19:46,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:19:46,212 INFO L85 PathProgramCache]: Analyzing trace with hash 2065611284, now seen corresponding path program 1 times [2024-10-11 21:19:46,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:19:46,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326299894] [2024-10-11 21:19:46,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:19:46,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:19:46,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:46,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:46,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:19:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:46,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:19:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:46,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:46,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 21:19:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:46,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 21:19:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:46,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 21:19:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:46,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 21:19:46,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:46,266 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-11 21:19:46,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:19:46,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326299894] [2024-10-11 21:19:46,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326299894] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:19:46,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:19:46,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 21:19:46,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971446288] [2024-10-11 21:19:46,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:19:46,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 21:19:46,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:19:46,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 21:19:46,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-11 21:19:46,268 INFO L87 Difference]: Start difference. First operand 6326 states and 8316 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-11 21:19:46,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:19:46,779 INFO L93 Difference]: Finished difference Result 11361 states and 14917 transitions. [2024-10-11 21:19:46,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 21:19:46,780 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 71 [2024-10-11 21:19:46,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:19:46,799 INFO L225 Difference]: With dead ends: 11361 [2024-10-11 21:19:46,800 INFO L226 Difference]: Without dead ends: 5049 [2024-10-11 21:19:46,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-11 21:19:46,808 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 236 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:19:46,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 244 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:19:46,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5049 states. [2024-10-11 21:19:47,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5049 to 4780. [2024-10-11 21:19:47,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4780 states, 3709 states have (on average 1.2855217039633324) internal successors, (4768), 3803 states have internal predecessors, (4768), 552 states have call successors, (552), 394 states have call predecessors, (552), 515 states have return successors, (948), 584 states have call predecessors, (948), 552 states have call successors, (948) [2024-10-11 21:19:47,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4780 states to 4780 states and 6268 transitions. [2024-10-11 21:19:47,130 INFO L78 Accepts]: Start accepts. Automaton has 4780 states and 6268 transitions. Word has length 71 [2024-10-11 21:19:47,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:19:47,131 INFO L471 AbstractCegarLoop]: Abstraction has 4780 states and 6268 transitions. [2024-10-11 21:19:47,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (7), 4 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-10-11 21:19:47,131 INFO L276 IsEmpty]: Start isEmpty. Operand 4780 states and 6268 transitions. [2024-10-11 21:19:47,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-11 21:19:47,132 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:19:47,133 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:19:47,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 21:19:47,133 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 21:19:47,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:19:47,133 INFO L85 PathProgramCache]: Analyzing trace with hash 769855791, now seen corresponding path program 1 times [2024-10-11 21:19:47,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:19:47,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367044859] [2024-10-11 21:19:47,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:19:47,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:19:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:47,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:47,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:19:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:47,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:19:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:47,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:47,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 21:19:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:47,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 21:19:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:47,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 21:19:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:47,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 21:19:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:47,216 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-11 21:19:47,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:19:47,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367044859] [2024-10-11 21:19:47,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367044859] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:19:47,216 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 21:19:47,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 21:19:47,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805402555] [2024-10-11 21:19:47,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:19:47,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 21:19:47,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:19:47,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 21:19:47,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-11 21:19:47,218 INFO L87 Difference]: Start difference. First operand 4780 states and 6268 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-11 21:19:48,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:19:48,369 INFO L93 Difference]: Finished difference Result 8753 states and 11434 transitions. [2024-10-11 21:19:48,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-11 21:19:48,370 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 72 [2024-10-11 21:19:48,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:19:48,384 INFO L225 Difference]: With dead ends: 8753 [2024-10-11 21:19:48,384 INFO L226 Difference]: Without dead ends: 4210 [2024-10-11 21:19:48,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=720, Unknown=0, NotChecked=0, Total=930 [2024-10-11 21:19:48,393 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 1134 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 320 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1151 SdHoareTripleChecker+Valid, 574 SdHoareTripleChecker+Invalid, 1051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 320 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 21:19:48,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1151 Valid, 574 Invalid, 1051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [320 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 21:19:48,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4210 states. [2024-10-11 21:19:48,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4210 to 3855. [2024-10-11 21:19:48,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3855 states, 2966 states have (on average 1.2663519892110586) internal successors, (3756), 3035 states have internal predecessors, (3756), 458 states have call successors, (458), 312 states have call predecessors, (458), 427 states have return successors, (689), 509 states have call predecessors, (689), 458 states have call successors, (689) [2024-10-11 21:19:48,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3855 states to 3855 states and 4903 transitions. [2024-10-11 21:19:48,715 INFO L78 Accepts]: Start accepts. Automaton has 3855 states and 4903 transitions. Word has length 72 [2024-10-11 21:19:48,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:19:48,715 INFO L471 AbstractCegarLoop]: Abstraction has 3855 states and 4903 transitions. [2024-10-11 21:19:48,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 6 states have internal predecessors, (55), 3 states have call successors, (8), 4 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-10-11 21:19:48,716 INFO L276 IsEmpty]: Start isEmpty. Operand 3855 states and 4903 transitions. [2024-10-11 21:19:48,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-11 21:19:48,717 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:19:48,717 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:19:48,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 21:19:48,717 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 21:19:48,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:19:48,718 INFO L85 PathProgramCache]: Analyzing trace with hash -463905739, now seen corresponding path program 1 times [2024-10-11 21:19:48,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:19:48,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010141019] [2024-10-11 21:19:48,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:19:48,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:19:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:48,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:48,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:19:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:48,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:19:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:48,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:48,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 21:19:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:48,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 21:19:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:48,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 21:19:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:48,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 21:19:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:48,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 21:19:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:48,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 21:19:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:48,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:48,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 21:19:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:48,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 21:19:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:48,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 21:19:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:48,803 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-11 21:19:48,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:19:48,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010141019] [2024-10-11 21:19:48,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010141019] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:19:48,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006539730] [2024-10-11 21:19:48,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:19:48,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:19:48,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:19:48,805 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:19:48,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 21:19:48,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:48,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 21:19:48,874 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:19:48,976 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-11 21:19:48,976 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:19:48,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006539730] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:19:48,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:19:48,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [10] total 11 [2024-10-11 21:19:48,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237994740] [2024-10-11 21:19:48,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:19:48,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 21:19:48,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:19:48,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 21:19:48,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:19:48,977 INFO L87 Difference]: Start difference. First operand 3855 states and 4903 transitions. Second operand has 3 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-11 21:19:49,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:19:49,169 INFO L93 Difference]: Finished difference Result 3855 states and 4903 transitions. [2024-10-11 21:19:49,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 21:19:49,169 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 97 [2024-10-11 21:19:49,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:19:49,179 INFO L225 Difference]: With dead ends: 3855 [2024-10-11 21:19:49,179 INFO L226 Difference]: Without dead ends: 3854 [2024-10-11 21:19:49,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:19:49,180 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 74 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:19:49,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 127 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:19:49,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3854 states. [2024-10-11 21:19:49,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3854 to 3854. [2024-10-11 21:19:49,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3854 states, 2966 states have (on average 1.2521915037086986) internal successors, (3714), 3034 states have internal predecessors, (3714), 458 states have call successors, (458), 312 states have call predecessors, (458), 427 states have return successors, (689), 509 states have call predecessors, (689), 458 states have call successors, (689) [2024-10-11 21:19:49,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3854 states to 3854 states and 4861 transitions. [2024-10-11 21:19:49,390 INFO L78 Accepts]: Start accepts. Automaton has 3854 states and 4861 transitions. Word has length 97 [2024-10-11 21:19:49,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:19:49,390 INFO L471 AbstractCegarLoop]: Abstraction has 3854 states and 4861 transitions. [2024-10-11 21:19:49,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-11 21:19:49,390 INFO L276 IsEmpty]: Start isEmpty. Operand 3854 states and 4861 transitions. [2024-10-11 21:19:49,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-11 21:19:49,391 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:19:49,391 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:19:49,404 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 21:19:49,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-11 21:19:49,596 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 21:19:49,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:19:49,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1496175690, now seen corresponding path program 1 times [2024-10-11 21:19:49,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:19:49,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528994291] [2024-10-11 21:19:49,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:19:49,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:19:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:49,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:49,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:19:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:49,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:19:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:49,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:49,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 21:19:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:49,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 21:19:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:49,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 21:19:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:49,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 21:19:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:49,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 21:19:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:49,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 21:19:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:49,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:49,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 21:19:49,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:49,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 21:19:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:49,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 21:19:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:49,698 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-11 21:19:49,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:19:49,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528994291] [2024-10-11 21:19:49,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528994291] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:19:49,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112445657] [2024-10-11 21:19:49,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:19:49,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:19:49,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:19:49,701 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:19:49,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 21:19:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:49,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 21:19:49,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:19:49,855 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-11 21:19:49,855 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:19:49,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112445657] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:19:49,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:19:49,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [10] total 11 [2024-10-11 21:19:49,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934912079] [2024-10-11 21:19:49,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:19:49,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 21:19:49,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:19:49,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 21:19:49,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:19:49,857 INFO L87 Difference]: Start difference. First operand 3854 states and 4861 transitions. Second operand has 3 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-11 21:19:50,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:19:50,267 INFO L93 Difference]: Finished difference Result 11448 states and 14413 transitions. [2024-10-11 21:19:50,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 21:19:50,268 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 98 [2024-10-11 21:19:50,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:19:50,285 INFO L225 Difference]: With dead ends: 11448 [2024-10-11 21:19:50,285 INFO L226 Difference]: Without dead ends: 7163 [2024-10-11 21:19:50,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:19:50,296 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 72 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:19:50,296 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 268 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:19:50,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7163 states. [2024-10-11 21:19:50,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7163 to 7161. [2024-10-11 21:19:50,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7161 states, 5507 states have (on average 1.2395133466497186) internal successors, (6826), 5635 states have internal predecessors, (6826), 846 states have call successors, (846), 582 states have call predecessors, (846), 806 states have return successors, (1294), 944 states have call predecessors, (1294), 846 states have call successors, (1294) [2024-10-11 21:19:50,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7161 states to 7161 states and 8966 transitions. [2024-10-11 21:19:50,751 INFO L78 Accepts]: Start accepts. Automaton has 7161 states and 8966 transitions. Word has length 98 [2024-10-11 21:19:50,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:19:50,751 INFO L471 AbstractCegarLoop]: Abstraction has 7161 states and 8966 transitions. [2024-10-11 21:19:50,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2024-10-11 21:19:50,752 INFO L276 IsEmpty]: Start isEmpty. Operand 7161 states and 8966 transitions. [2024-10-11 21:19:50,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-11 21:19:50,755 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:19:50,755 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:19:50,767 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 21:19:50,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-11 21:19:50,956 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 21:19:50,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:19:50,957 INFO L85 PathProgramCache]: Analyzing trace with hash 704518975, now seen corresponding path program 1 times [2024-10-11 21:19:50,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:19:50,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362653143] [2024-10-11 21:19:50,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:19:50,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:19:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:51,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:51,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:19:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:51,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:19:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:51,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:51,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 21:19:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:51,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 21:19:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:51,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 21:19:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:51,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 21:19:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:51,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 21:19:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:51,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 21:19:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:51,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 21:19:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:51,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:51,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:19:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:51,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 21:19:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:51,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 21:19:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:51,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 21:19:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:51,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 21:19:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:51,059 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 21:19:51,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:19:51,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362653143] [2024-10-11 21:19:51,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362653143] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:19:51,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [926122349] [2024-10-11 21:19:51,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:19:51,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:19:51,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:19:51,061 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:19:51,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 21:19:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:51,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 21:19:51,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:19:51,254 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-10-11 21:19:51,254 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:19:51,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [926122349] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:19:51,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:19:51,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [10] total 11 [2024-10-11 21:19:51,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977996488] [2024-10-11 21:19:51,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:19:51,255 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 21:19:51,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:19:51,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 21:19:51,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:19:51,256 INFO L87 Difference]: Start difference. First operand 7161 states and 8966 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 21:19:51,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:19:51,740 INFO L93 Difference]: Finished difference Result 7161 states and 8966 transitions. [2024-10-11 21:19:51,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 21:19:51,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 136 [2024-10-11 21:19:51,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:19:51,759 INFO L225 Difference]: With dead ends: 7161 [2024-10-11 21:19:51,759 INFO L226 Difference]: Without dead ends: 7160 [2024-10-11 21:19:51,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:19:51,761 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 49 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 126 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 [2024-10-11 21:19:51,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 126 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:19:51,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7160 states. [2024-10-11 21:19:52,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7160 to 7160. [2024-10-11 21:19:52,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7160 states, 5507 states have (on average 1.2355184310877065) internal successors, (6804), 5634 states have internal predecessors, (6804), 846 states have call successors, (846), 582 states have call predecessors, (846), 806 states have return successors, (1294), 944 states have call predecessors, (1294), 846 states have call successors, (1294) [2024-10-11 21:19:52,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7160 states to 7160 states and 8944 transitions. [2024-10-11 21:19:52,505 INFO L78 Accepts]: Start accepts. Automaton has 7160 states and 8944 transitions. Word has length 136 [2024-10-11 21:19:52,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:19:52,506 INFO L471 AbstractCegarLoop]: Abstraction has 7160 states and 8944 transitions. [2024-10-11 21:19:52,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 21:19:52,506 INFO L276 IsEmpty]: Start isEmpty. Operand 7160 states and 8944 transitions. [2024-10-11 21:19:52,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-11 21:19:52,511 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:19:52,511 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:19:52,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-11 21:19:52,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,4 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:19:52,712 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 21:19:52,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:19:52,712 INFO L85 PathProgramCache]: Analyzing trace with hash 365251979, now seen corresponding path program 1 times [2024-10-11 21:19:52,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:19:52,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328695334] [2024-10-11 21:19:52,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:19:52,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:19:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:52,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:52,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:19:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:52,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:19:52,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:52,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:52,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 21:19:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:52,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 21:19:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:52,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 21:19:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:52,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 21:19:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:52,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 21:19:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:52,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 21:19:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:52,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 21:19:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:52,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:52,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:19:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:52,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 21:19:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:52,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 21:19:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:52,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 21:19:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:52,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 21:19:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:52,836 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-11 21:19:52,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:19:52,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328695334] [2024-10-11 21:19:52,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328695334] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:19:52,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834118391] [2024-10-11 21:19:52,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:19:52,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:19:52,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:19:52,838 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:19:52,842 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-11 21:19:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:52,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 21:19:52,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:19:53,050 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-10-11 21:19:53,050 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:19:53,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834118391] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:19:53,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:19:53,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [10] total 11 [2024-10-11 21:19:53,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137696069] [2024-10-11 21:19:53,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:19:53,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 21:19:53,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:19:53,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 21:19:53,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:19:53,053 INFO L87 Difference]: Start difference. First operand 7160 states and 8944 transitions. Second operand has 3 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 21:19:53,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:19:53,691 INFO L93 Difference]: Finished difference Result 11219 states and 14092 transitions. [2024-10-11 21:19:53,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 21:19:53,691 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 137 [2024-10-11 21:19:53,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:19:53,717 INFO L225 Difference]: With dead ends: 11219 [2024-10-11 21:19:53,718 INFO L226 Difference]: Without dead ends: 11218 [2024-10-11 21:19:53,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:19:53,721 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 47 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:19:53,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 241 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:19:53,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11218 states. [2024-10-11 21:19:54,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11218 to 11194. [2024-10-11 21:19:54,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11194 states, 8611 states have (on average 1.2423644176053885) internal successors, (10698), 8812 states have internal predecessors, (10698), 1302 states have call successors, (1302), 890 states have call predecessors, (1302), 1280 states have return successors, (2054), 1492 states have call predecessors, (2054), 1302 states have call successors, (2054) [2024-10-11 21:19:54,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11194 states to 11194 states and 14054 transitions. [2024-10-11 21:19:54,722 INFO L78 Accepts]: Start accepts. Automaton has 11194 states and 14054 transitions. Word has length 137 [2024-10-11 21:19:54,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:19:54,723 INFO L471 AbstractCegarLoop]: Abstraction has 11194 states and 14054 transitions. [2024-10-11 21:19:54,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 21:19:54,724 INFO L276 IsEmpty]: Start isEmpty. Operand 11194 states and 14054 transitions. [2024-10-11 21:19:54,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-10-11 21:19:54,742 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:19:54,742 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 7, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:19:54,757 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-11 21:19:54,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-11 21:19:54,947 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 21:19:54,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:19:54,947 INFO L85 PathProgramCache]: Analyzing trace with hash -1499817642, now seen corresponding path program 1 times [2024-10-11 21:19:54,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:19:54,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777800713] [2024-10-11 21:19:54,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:19:54,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:19:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:55,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:55,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:55,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:19:55,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:55,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:19:55,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:55,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:55,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 21:19:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:55,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 21:19:55,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:55,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 21:19:55,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:55,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 21:19:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:55,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 21:19:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:55,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 21:19:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:55,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 21:19:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:55,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:55,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:55,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:19:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:55,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-11 21:19:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:55,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-11 21:19:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:55,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 21:19:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:55,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 21:19:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:55,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 21:19:55,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:55,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 21:19:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:55,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 21:19:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:55,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 21:19:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:55,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:55,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:55,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:19:55,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:55,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-11 21:19:55,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:55,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-11 21:19:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:55,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 21:19:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:55,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-11 21:19:55,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:55,100 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 40 proven. 14 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2024-10-11 21:19:55,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:19:55,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777800713] [2024-10-11 21:19:55,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777800713] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:19:55,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417941159] [2024-10-11 21:19:55,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:19:55,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:19:55,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:19:55,102 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:19:55,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-11 21:19:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:55,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 21:19:55,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:19:55,277 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-10-11 21:19:55,277 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:19:55,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417941159] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:19:55,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:19:55,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10] total 11 [2024-10-11 21:19:55,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317867737] [2024-10-11 21:19:55,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:19:55,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 21:19:55,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:19:55,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 21:19:55,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:19:55,279 INFO L87 Difference]: Start difference. First operand 11194 states and 14054 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 21:19:56,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:19:56,435 INFO L93 Difference]: Finished difference Result 32008 states and 40211 transitions. [2024-10-11 21:19:56,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 21:19:56,436 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 224 [2024-10-11 21:19:56,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:19:56,487 INFO L225 Difference]: With dead ends: 32008 [2024-10-11 21:19:56,488 INFO L226 Difference]: Without dead ends: 21281 [2024-10-11 21:19:56,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:19:56,506 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 59 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:19:56,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 240 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:19:56,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21281 states. [2024-10-11 21:19:58,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21281 to 21158. [2024-10-11 21:19:58,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21158 states, 16259 states have (on average 1.2361153822498308) internal successors, (20098), 16640 states have internal predecessors, (20098), 2446 states have call successors, (2446), 1780 states have call predecessors, (2446), 2452 states have return successors, (3714), 2738 states have call predecessors, (3714), 2446 states have call successors, (3714) [2024-10-11 21:19:58,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21158 states to 21158 states and 26258 transitions. [2024-10-11 21:19:58,153 INFO L78 Accepts]: Start accepts. Automaton has 21158 states and 26258 transitions. Word has length 224 [2024-10-11 21:19:58,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:19:58,154 INFO L471 AbstractCegarLoop]: Abstraction has 21158 states and 26258 transitions. [2024-10-11 21:19:58,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 2 states have internal predecessors, (110), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-11 21:19:58,154 INFO L276 IsEmpty]: Start isEmpty. Operand 21158 states and 26258 transitions. [2024-10-11 21:19:58,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-10-11 21:19:58,214 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:19:58,214 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:19:58,242 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-11 21:19:58,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-11 21:19:58,419 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 21:19:58,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:19:58,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1342331990, now seen corresponding path program 1 times [2024-10-11 21:19:58,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:19:58,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132667355] [2024-10-11 21:19:58,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:19:58,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:19:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:19:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:19:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 21:19:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 21:19:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 21:19:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 21:19:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 21:19:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-11 21:19:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-11 21:19:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 21:19:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 21:19:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 21:19:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-11 21:19:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:19:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-11 21:19:58,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-11 21:19:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 21:19:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 21:19:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 21:19:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-11 21:19:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:19:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:19:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-11 21:19:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 21:19:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-11 21:19:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-11 21:19:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,805 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 46 proven. 28 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-10-11 21:19:58,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:19:58,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132667355] [2024-10-11 21:19:58,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132667355] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:19:58,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200720745] [2024-10-11 21:19:58,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:19:58,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:19:58,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:19:58,811 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:19:58,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-11 21:19:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:19:58,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 21:19:58,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:19:59,091 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2024-10-11 21:19:59,092 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:19:59,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200720745] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:19:59,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:19:59,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10] total 11 [2024-10-11 21:19:59,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027200280] [2024-10-11 21:19:59,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:19:59,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 21:19:59,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:19:59,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 21:19:59,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:19:59,094 INFO L87 Difference]: Start difference. First operand 21158 states and 26258 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-10-11 21:20:01,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:20:01,913 INFO L93 Difference]: Finished difference Result 62050 states and 77404 transitions. [2024-10-11 21:20:01,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 21:20:01,914 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 255 [2024-10-11 21:20:01,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:20:02,050 INFO L225 Difference]: With dead ends: 62050 [2024-10-11 21:20:02,050 INFO L226 Difference]: Without dead ends: 40901 [2024-10-11 21:20:02,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:20:02,103 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 61 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:20:02,103 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 239 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:20:02,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40901 states. [2024-10-11 21:20:04,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40901 to 40900. [2024-10-11 21:20:04,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40900 states, 31464 states have (on average 1.2213640986524281) internal successors, (38429), 32153 states have internal predecessors, (38429), 4827 states have call successors, (4827), 3560 states have call predecessors, (4827), 4608 states have return successors, (6944), 5187 states have call predecessors, (6944), 4827 states have call successors, (6944) [2024-10-11 21:20:04,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40900 states to 40900 states and 50200 transitions. [2024-10-11 21:20:04,947 INFO L78 Accepts]: Start accepts. Automaton has 40900 states and 50200 transitions. Word has length 255 [2024-10-11 21:20:04,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:20:04,948 INFO L471 AbstractCegarLoop]: Abstraction has 40900 states and 50200 transitions. [2024-10-11 21:20:04,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 2 states have internal predecessors, (124), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-10-11 21:20:04,948 INFO L276 IsEmpty]: Start isEmpty. Operand 40900 states and 50200 transitions. [2024-10-11 21:20:04,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-10-11 21:20:04,976 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:20:04,976 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:20:04,992 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-11 21:20:05,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:20:05,177 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 21:20:05,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:20:05,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1730188379, now seen corresponding path program 1 times [2024-10-11 21:20:05,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:20:05,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646267304] [2024-10-11 21:20:05,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:20:05,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:20:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:05,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:20:05,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:20:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 21:20:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 21:20:05,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 21:20:05,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 21:20:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 21:20:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 21:20:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 21:20:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 21:20:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 21:20:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 21:20:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 21:20:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:05,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:20:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 21:20:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 21:20:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 21:20:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 21:20:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 21:20:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-11 21:20:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:20:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 21:20:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-11 21:20:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 21:20:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-11 21:20:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,329 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 40 proven. 14 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-10-11 21:20:05,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:20:05,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646267304] [2024-10-11 21:20:05,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646267304] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:20:05,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1744284185] [2024-10-11 21:20:05,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:20:05,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:20:05,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:20:05,333 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:20:05,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-11 21:20:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:05,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 712 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-11 21:20:05,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:20:05,457 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-10-11 21:20:05,458 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:20:05,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1744284185] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:20:05,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:20:05,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2024-10-11 21:20:05,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718713993] [2024-10-11 21:20:05,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:20:05,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 21:20:05,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:20:05,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 21:20:05,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:20:05,459 INFO L87 Difference]: Start difference. First operand 40900 states and 50200 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-10-11 21:20:08,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:20:08,891 INFO L93 Difference]: Finished difference Result 70103 states and 86813 transitions. [2024-10-11 21:20:08,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 21:20:08,891 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 256 [2024-10-11 21:20:08,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:20:08,995 INFO L225 Difference]: With dead ends: 70103 [2024-10-11 21:20:08,995 INFO L226 Difference]: Without dead ends: 35688 [2024-10-11 21:20:09,041 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:20:09,042 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 106 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:20:09,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 311 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:20:09,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35688 states. [2024-10-11 21:20:11,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35688 to 35496. [2024-10-11 21:20:11,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35496 states, 27320 states have (on average 1.2086749633967788) internal successors, (33021), 27801 states have internal predecessors, (33021), 4215 states have call successors, (4215), 3096 states have call predecessors, (4215), 3960 states have return successors, (5846), 4599 states have call predecessors, (5846), 4215 states have call successors, (5846) [2024-10-11 21:20:11,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35496 states to 35496 states and 43082 transitions. [2024-10-11 21:20:11,694 INFO L78 Accepts]: Start accepts. Automaton has 35496 states and 43082 transitions. Word has length 256 [2024-10-11 21:20:11,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:20:11,695 INFO L471 AbstractCegarLoop]: Abstraction has 35496 states and 43082 transitions. [2024-10-11 21:20:11,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-10-11 21:20:11,698 INFO L276 IsEmpty]: Start isEmpty. Operand 35496 states and 43082 transitions. [2024-10-11 21:20:11,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-10-11 21:20:11,737 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:20:11,738 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:20:11,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-10-11 21:20:11,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:20:11,939 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 21:20:11,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:20:11,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1740073323, now seen corresponding path program 1 times [2024-10-11 21:20:11,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:20:11,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865197220] [2024-10-11 21:20:11,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:20:11,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:20:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:20:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:20:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 21:20:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 21:20:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 21:20:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 21:20:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 21:20:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 21:20:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 21:20:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:12,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 21:20:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 21:20:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 21:20:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 21:20:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:20:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 21:20:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 21:20:12,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 21:20:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 21:20:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 21:20:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-11 21:20:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:20:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 21:20:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-11 21:20:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-11 21:20:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-11 21:20:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,103 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 40 proven. 14 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-10-11 21:20:12,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:20:12,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865197220] [2024-10-11 21:20:12,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865197220] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:20:12,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507761824] [2024-10-11 21:20:12,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:20:12,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:20:12,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:20:12,106 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:20:12,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-11 21:20:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:12,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 21:20:12,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:20:12,251 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-10-11 21:20:12,251 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:20:12,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507761824] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:20:12,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:20:12,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2024-10-11 21:20:12,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087537642] [2024-10-11 21:20:12,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:20:12,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 21:20:12,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:20:12,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 21:20:12,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:20:12,254 INFO L87 Difference]: Start difference. First operand 35496 states and 43082 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-10-11 21:20:13,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:20:13,957 INFO L93 Difference]: Finished difference Result 57648 states and 69693 transitions. [2024-10-11 21:20:13,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 21:20:13,958 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 256 [2024-10-11 21:20:13,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:20:14,043 INFO L225 Difference]: With dead ends: 57648 [2024-10-11 21:20:14,043 INFO L226 Difference]: Without dead ends: 22161 [2024-10-11 21:20:14,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:20:14,095 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 11 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:20:14,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 267 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:20:14,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22161 states. [2024-10-11 21:20:15,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22161 to 22161. [2024-10-11 21:20:15,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22161 states, 17036 states have (on average 1.180676215073961) internal successors, (20114), 17342 states have internal predecessors, (20114), 2538 states have call successors, (2538), 2025 states have call predecessors, (2538), 2586 states have return successors, (3439), 2794 states have call predecessors, (3439), 2538 states have call successors, (3439) [2024-10-11 21:20:15,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22161 states to 22161 states and 26091 transitions. [2024-10-11 21:20:15,823 INFO L78 Accepts]: Start accepts. Automaton has 22161 states and 26091 transitions. Word has length 256 [2024-10-11 21:20:15,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:20:15,825 INFO L471 AbstractCegarLoop]: Abstraction has 22161 states and 26091 transitions. [2024-10-11 21:20:15,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-10-11 21:20:15,825 INFO L276 IsEmpty]: Start isEmpty. Operand 22161 states and 26091 transitions. [2024-10-11 21:20:15,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2024-10-11 21:20:15,841 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:20:15,842 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:20:15,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-11 21:20:16,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-10-11 21:20:16,043 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 21:20:16,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:20:16,043 INFO L85 PathProgramCache]: Analyzing trace with hash -2098409014, now seen corresponding path program 1 times [2024-10-11 21:20:16,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:20:16,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236858387] [2024-10-11 21:20:16,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:20:16,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:20:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:20:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:20:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 21:20:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 21:20:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 21:20:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 21:20:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 21:20:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 21:20:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 21:20:16,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 21:20:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-11 21:20:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-11 21:20:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 21:20:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:20:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-11 21:20:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-11 21:20:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-11 21:20:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 21:20:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-11 21:20:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-11 21:20:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 21:20:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-10-11 21:20:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-10-11 21:20:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2024-10-11 21:20:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:20:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 21:20:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 21:20:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,189 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 40 proven. 14 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2024-10-11 21:20:16,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:20:16,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236858387] [2024-10-11 21:20:16,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236858387] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:20:16,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1655728478] [2024-10-11 21:20:16,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:20:16,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:20:16,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:20:16,191 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:20:16,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-11 21:20:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:16,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 21:20:16,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:20:16,398 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2024-10-11 21:20:16,398 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:20:16,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1655728478] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:20:16,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:20:16,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2024-10-11 21:20:16,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441150837] [2024-10-11 21:20:16,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:20:16,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 21:20:16,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:20:16,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 21:20:16,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:20:16,400 INFO L87 Difference]: Start difference. First operand 22161 states and 26091 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-10-11 21:20:18,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:20:18,000 INFO L93 Difference]: Finished difference Result 35295 states and 41833 transitions. [2024-10-11 21:20:18,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 21:20:18,001 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 286 [2024-10-11 21:20:18,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:20:18,056 INFO L225 Difference]: With dead ends: 35295 [2024-10-11 21:20:18,056 INFO L226 Difference]: Without dead ends: 14325 [2024-10-11 21:20:18,080 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 349 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:20:18,081 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 37 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:20:18,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 314 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:20:18,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14325 states. [2024-10-11 21:20:19,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14325 to 14259. [2024-10-11 21:20:19,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14259 states, 10924 states have (on average 1.1753936287074331) internal successors, (12840), 11080 states have internal predecessors, (12840), 1656 states have call successors, (1656), 1311 states have call predecessors, (1656), 1678 states have return successors, (2203), 1868 states have call predecessors, (2203), 1656 states have call successors, (2203) [2024-10-11 21:20:19,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14259 states to 14259 states and 16699 transitions. [2024-10-11 21:20:19,151 INFO L78 Accepts]: Start accepts. Automaton has 14259 states and 16699 transitions. Word has length 286 [2024-10-11 21:20:19,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:20:19,152 INFO L471 AbstractCegarLoop]: Abstraction has 14259 states and 16699 transitions. [2024-10-11 21:20:19,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-10-11 21:20:19,152 INFO L276 IsEmpty]: Start isEmpty. Operand 14259 states and 16699 transitions. [2024-10-11 21:20:19,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2024-10-11 21:20:19,169 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:20:19,169 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 8, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:20:19,182 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-11 21:20:19,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,10 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:20:19,374 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 21:20:19,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:20:19,374 INFO L85 PathProgramCache]: Analyzing trace with hash -501253158, now seen corresponding path program 1 times [2024-10-11 21:20:19,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:20:19,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185665204] [2024-10-11 21:20:19,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:20:19,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:20:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:20:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:20:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 21:20:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 21:20:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 21:20:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 21:20:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 21:20:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 21:20:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 21:20:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 21:20:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 21:20:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 21:20:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 21:20:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:20:19,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 21:20:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 21:20:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 21:20:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-11 21:20:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 21:20:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 21:20:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 21:20:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 21:20:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 21:20:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-11 21:20:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:20:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 21:20:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-11 21:20:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-11 21:20:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-11 21:20:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-11 21:20:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-11 21:20:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 21:20:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-10-11 21:20:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2024-10-11 21:20:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-10-11 21:20:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-10-11 21:20:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,495 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 783 trivial. 0 not checked. [2024-10-11 21:20:19,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:20:19,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185665204] [2024-10-11 21:20:19,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185665204] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:20:19,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862915380] [2024-10-11 21:20:19,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:20:19,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:20:19,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:20:19,497 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:20:19,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-11 21:20:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:19,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 1023 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 21:20:19,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:20:19,669 INFO L134 CoverageAnalysis]: Checked inductivity of 857 backedges. 481 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-10-11 21:20:19,669 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:20:19,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862915380] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:20:19,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:20:19,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-10-11 21:20:19,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024470157] [2024-10-11 21:20:19,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:20:19,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 21:20:19,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:20:19,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 21:20:19,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 21:20:19,671 INFO L87 Difference]: Start difference. First operand 14259 states and 16699 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-10-11 21:20:20,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:20:20,316 INFO L93 Difference]: Finished difference Result 21514 states and 25209 transitions. [2024-10-11 21:20:20,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 21:20:20,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 372 [2024-10-11 21:20:20,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:20:20,355 INFO L225 Difference]: With dead ends: 21514 [2024-10-11 21:20:20,356 INFO L226 Difference]: Without dead ends: 7264 [2024-10-11 21:20:20,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 460 GetRequests, 454 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 21:20:20,372 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 11 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:20:20,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 278 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:20:20,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7264 states. [2024-10-11 21:20:20,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7264 to 7264. [2024-10-11 21:20:20,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7264 states, 5552 states have (on average 1.152557636887608) internal successors, (6399), 5638 states have internal predecessors, (6399), 890 states have call successors, (890), 708 states have call predecessors, (890), 821 states have return successors, (1075), 918 states have call predecessors, (1075), 890 states have call successors, (1075) [2024-10-11 21:20:20,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7264 states to 7264 states and 8364 transitions. [2024-10-11 21:20:20,880 INFO L78 Accepts]: Start accepts. Automaton has 7264 states and 8364 transitions. Word has length 372 [2024-10-11 21:20:20,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:20:20,881 INFO L471 AbstractCegarLoop]: Abstraction has 7264 states and 8364 transitions. [2024-10-11 21:20:20,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-10-11 21:20:20,881 INFO L276 IsEmpty]: Start isEmpty. Operand 7264 states and 8364 transitions. [2024-10-11 21:20:20,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2024-10-11 21:20:20,890 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:20:20,890 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 8, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:20:20,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-11 21:20:21,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-10-11 21:20:21,091 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 21:20:21,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:20:21,092 INFO L85 PathProgramCache]: Analyzing trace with hash -454735754, now seen corresponding path program 1 times [2024-10-11 21:20:21,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:20:21,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915633142] [2024-10-11 21:20:21,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:20:21,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:20:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:20:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:20:21,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 21:20:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 21:20:21,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 21:20:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 21:20:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 21:20:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 21:20:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 21:20:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 21:20:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 21:20:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 21:20:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 21:20:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:20:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 21:20:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 21:20:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 21:20:21,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-11 21:20:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 21:20:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 21:20:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 21:20:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 21:20:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 21:20:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-11 21:20:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:20:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 21:20:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-11 21:20:21,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-11 21:20:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-11 21:20:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-11 21:20:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-11 21:20:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 21:20:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-11 21:20:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-11 21:20:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-11 21:20:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-11 21:20:21,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,229 INFO L134 CoverageAnalysis]: Checked inductivity of 865 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 791 trivial. 0 not checked. [2024-10-11 21:20:21,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:20:21,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915633142] [2024-10-11 21:20:21,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915633142] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:20:21,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1281127042] [2024-10-11 21:20:21,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:20:21,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:20:21,230 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:20:21,232 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:20:21,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-11 21:20:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:21,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 1025 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-11 21:20:21,368 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:20:21,383 INFO L134 CoverageAnalysis]: Checked inductivity of 865 backedges. 376 proven. 0 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2024-10-11 21:20:21,383 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 21:20:21,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1281127042] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 21:20:21,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 21:20:21,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2024-10-11 21:20:21,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655980896] [2024-10-11 21:20:21,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 21:20:21,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 21:20:21,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:20:21,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 21:20:21,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 21:20:21,385 INFO L87 Difference]: Start difference. First operand 7264 states and 8364 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 3 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2024-10-11 21:20:21,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:20:21,946 INFO L93 Difference]: Finished difference Result 13970 states and 16118 transitions. [2024-10-11 21:20:21,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 21:20:21,946 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 3 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) Word has length 374 [2024-10-11 21:20:21,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:20:21,987 INFO L225 Difference]: With dead ends: 13970 [2024-10-11 21:20:21,987 INFO L226 Difference]: Without dead ends: 7271 [2024-10-11 21:20:21,995 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 462 GetRequests, 456 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-11 21:20:21,995 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 112 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 21:20:21,996 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 292 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 21:20:21,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7271 states. [2024-10-11 21:20:22,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7271 to 7264. [2024-10-11 21:20:22,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7264 states, 5552 states have (on average 1.1435518731988472) internal successors, (6349), 5638 states have internal predecessors, (6349), 890 states have call successors, (890), 708 states have call predecessors, (890), 821 states have return successors, (1031), 918 states have call predecessors, (1031), 890 states have call successors, (1031) [2024-10-11 21:20:22,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7264 states to 7264 states and 8270 transitions. [2024-10-11 21:20:22,509 INFO L78 Accepts]: Start accepts. Automaton has 7264 states and 8270 transitions. Word has length 374 [2024-10-11 21:20:22,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:20:22,510 INFO L471 AbstractCegarLoop]: Abstraction has 7264 states and 8270 transitions. [2024-10-11 21:20:22,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 3 states have call successors, (24), 3 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2024-10-11 21:20:22,510 INFO L276 IsEmpty]: Start isEmpty. Operand 7264 states and 8270 transitions. [2024-10-11 21:20:22,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2024-10-11 21:20:22,518 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 21:20:22,518 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 8, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:20:22,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-10-11 21:20:22,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-10-11 21:20:22,719 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-11 21:20:22,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 21:20:22,720 INFO L85 PathProgramCache]: Analyzing trace with hash 384297908, now seen corresponding path program 1 times [2024-10-11 21:20:22,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 21:20:22,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260095155] [2024-10-11 21:20:22,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:20:22,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 21:20:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:20:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 21:20:22,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 21:20:22,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 21:20:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-11 21:20:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-11 21:20:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 21:20:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-11 21:20:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 21:20:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 21:20:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 21:20:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 21:20:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 21:20:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:20:22,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 21:20:22,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 21:20:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 21:20:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-11 21:20:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 21:20:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 21:20:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:22,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-11 21:20:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 21:20:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-11 21:20:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-10-11 21:20:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 21:20:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2024-10-11 21:20:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-11 21:20:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-11 21:20:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-10-11 21:20:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-10-11 21:20:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2024-10-11 21:20:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 21:20:22,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-11 21:20:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2024-10-11 21:20:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-11 21:20:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-11 21:20:22,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-11 21:20:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,831 INFO L134 CoverageAnalysis]: Checked inductivity of 865 backedges. 61 proven. 13 refuted. 0 times theorem prover too weak. 791 trivial. 0 not checked. [2024-10-11 21:20:22,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 21:20:22,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1260095155] [2024-10-11 21:20:22,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1260095155] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 21:20:22,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985396543] [2024-10-11 21:20:22,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 21:20:22,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 21:20:22,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 21:20:22,833 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 21:20:22,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-11 21:20:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 21:20:22,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 1024 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-11 21:20:22,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 21:20:23,078 INFO L134 CoverageAnalysis]: Checked inductivity of 865 backedges. 290 proven. 2 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2024-10-11 21:20:23,078 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 21:20:23,436 INFO L134 CoverageAnalysis]: Checked inductivity of 865 backedges. 63 proven. 15 refuted. 0 times theorem prover too weak. 787 trivial. 0 not checked. [2024-10-11 21:20:23,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985396543] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 21:20:23,436 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 21:20:23,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 5] total 11 [2024-10-11 21:20:23,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845037942] [2024-10-11 21:20:23,437 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 21:20:23,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 21:20:23,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 21:20:23,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 21:20:23,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-10-11 21:20:23,438 INFO L87 Difference]: Start difference. First operand 7264 states and 8270 transitions. Second operand has 11 states, 11 states have (on average 20.09090909090909) internal successors, (221), 8 states have internal predecessors, (221), 4 states have call successors, (45), 8 states have call predecessors, (45), 8 states have return successors, (39), 4 states have call predecessors, (39), 4 states have call successors, (39) [2024-10-11 21:20:23,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 21:20:23,788 INFO L93 Difference]: Finished difference Result 8056 states and 9160 transitions. [2024-10-11 21:20:23,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 21:20:23,788 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 20.09090909090909) internal successors, (221), 8 states have internal predecessors, (221), 4 states have call successors, (45), 8 states have call predecessors, (45), 8 states have return successors, (39), 4 states have call predecessors, (39), 4 states have call successors, (39) Word has length 374 [2024-10-11 21:20:23,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 21:20:23,822 INFO L225 Difference]: With dead ends: 8056 [2024-10-11 21:20:23,823 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 21:20:23,831 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 839 GetRequests, 825 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-10-11 21:20:23,832 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 242 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 21:20:23,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 214 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 21:20:23,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 21:20:23,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 21:20:23,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 21:20:23,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 21:20:23,937 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 374 [2024-10-11 21:20:23,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 21:20:23,938 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 21:20:23,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 20.09090909090909) internal successors, (221), 8 states have internal predecessors, (221), 4 states have call successors, (45), 8 states have call predecessors, (45), 8 states have return successors, (39), 4 states have call predecessors, (39), 4 states have call successors, (39) [2024-10-11 21:20:23,938 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 21:20:23,938 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 21:20:23,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-10-11 21:20:23,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-10-11 21:20:23,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-10-11 21:20:23,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-10-11 21:20:23,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-10-11 21:20:23,942 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-10-11 21:20:23,955 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-11 21:20:24,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-11 21:20:24,146 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 21:20:24,148 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.