./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 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/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/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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-wip.fs.cvc5-61a6796-m [2024-10-14 21:16:44,378 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 21:16:44,459 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 21:16:44,463 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 21:16:44,465 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 21:16:44,495 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 21:16:44,496 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 21:16:44,496 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 21:16:44,497 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 21:16:44,498 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 21:16:44,499 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 21:16:44,499 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 21:16:44,500 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 21:16:44,500 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 21:16:44,502 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 21:16:44,502 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 21:16:44,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 21:16:44,503 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 21:16:44,503 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 21:16:44,503 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 21:16:44,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 21:16:44,505 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 21:16:44,505 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 21:16:44,506 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 21:16:44,506 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 21:16:44,506 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 21:16:44,506 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 21:16:44,507 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 21:16:44,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 21:16:44,507 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 21:16:44,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 21:16:44,508 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 21:16:44,508 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 21:16:44,509 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 21:16:44,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 21:16:44,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 21:16:44,509 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 21:16:44,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 21:16:44,510 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 21:16:44,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 21:16:44,510 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 21:16:44,511 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 21:16:44,511 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 21:16:44,511 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 21:16:44,512 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 677126e8d6773c92cc337bfe0a3ec155f49f784424155f33a8c9c24ee0a42113 [2024-10-14 21:16:44,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 21:16:44,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 21:16:44,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 21:16:44,783 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 21:16:44,787 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 21:16:44,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/pc_sfifo_3.cil.c [2024-10-14 21:16:46,175 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 21:16:46,387 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 21:16:46,387 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/pc_sfifo_3.cil.c [2024-10-14 21:16:46,397 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fb0959d4/f93925952c6c483e9b4f8921ad87359c/FLAG7ba9b9a9c [2024-10-14 21:16:46,415 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fb0959d4/f93925952c6c483e9b4f8921ad87359c [2024-10-14 21:16:46,417 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 21:16:46,418 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 21:16:46,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 21:16:46,419 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 21:16:46,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 21:16:46,426 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:16:46" (1/1) ... [2024-10-14 21:16:46,427 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ceeabe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:16:46, skipping insertion in model container [2024-10-14 21:16:46,427 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:16:46" (1/1) ... [2024-10-14 21:16:46,460 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 21:16:46,688 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 21:16:46,709 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 21:16:46,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 21:16:46,766 INFO L204 MainTranslator]: Completed translation [2024-10-14 21:16:46,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:16:46 WrapperNode [2024-10-14 21:16:46,766 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 21:16:46,767 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 21:16:46,767 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 21:16:46,768 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 21:16:46,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:16:46" (1/1) ... [2024-10-14 21:16:46,781 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:16:46" (1/1) ... [2024-10-14 21:16:46,804 INFO L138 Inliner]: procedures = 31, calls = 36, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 238 [2024-10-14 21:16:46,804 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 21:16:46,805 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 21:16:46,805 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 21:16:46,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 21:16:46,819 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:16:46" (1/1) ... [2024-10-14 21:16:46,819 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:16:46" (1/1) ... [2024-10-14 21:16:46,821 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:16:46" (1/1) ... [2024-10-14 21:16:46,834 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]. [2024-10-14 21:16:46,835 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:16:46" (1/1) ... [2024-10-14 21:16:46,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:16:46" (1/1) ... [2024-10-14 21:16:46,839 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:16:46" (1/1) ... [2024-10-14 21:16:46,844 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:16:46" (1/1) ... [2024-10-14 21:16:46,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:16:46" (1/1) ... [2024-10-14 21:16:46,847 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:16:46" (1/1) ... [2024-10-14 21:16:46,849 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 21:16:46,850 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 21:16:46,850 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 21:16:46,850 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 21:16:46,851 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:16:46" (1/1) ... [2024-10-14 21:16:46,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 21:16:46,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:16:46,891 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 21:16:46,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 21:16:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 21:16:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure error [2024-10-14 21:16:46,932 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2024-10-14 21:16:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2024-10-14 21:16:46,932 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2024-10-14 21:16:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2024-10-14 21:16:46,933 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2024-10-14 21:16:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2024-10-14 21:16:46,933 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2024-10-14 21:16:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2024-10-14 21:16:46,933 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2024-10-14 21:16:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2024-10-14 21:16:46,933 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2024-10-14 21:16:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 21:16:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2024-10-14 21:16:46,934 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2024-10-14 21:16:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 21:16:46,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 21:16:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2024-10-14 21:16:46,934 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2024-10-14 21:16:47,031 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 21:16:47,039 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 21:16:47,366 INFO L733 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##54: assume !(1 == ~q_free~0); [2024-10-14 21:16:47,366 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; [2024-10-14 21:16:47,411 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-10-14 21:16:47,412 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 21:16:47,453 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 21:16:47,454 INFO L314 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-14 21:16:47,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:16:47 BoogieIcfgContainer [2024-10-14 21:16:47,454 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 21:16:47,457 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 21:16:47,457 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 21:16:47,461 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 21:16:47,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:16:46" (1/3) ... [2024-10-14 21:16:47,462 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f8ac28a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:16:47, skipping insertion in model container [2024-10-14 21:16:47,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:16:46" (2/3) ... [2024-10-14 21:16:47,462 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f8ac28a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:16:47, skipping insertion in model container [2024-10-14 21:16:47,462 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:16:47" (3/3) ... [2024-10-14 21:16:47,463 INFO L112 eAbstractionObserver]: Analyzing ICFG pc_sfifo_3.cil.c [2024-10-14 21:16:47,475 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 21:16:47,476 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-14 21:16:47,532 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 21:16:47,539 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;@19a151ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 21:16:47,540 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-14 21:16:47,544 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) [2024-10-14 21:16:47,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-14 21:16:47,555 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:16:47,556 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] [2024-10-14 21:16:47,558 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)] === [2024-10-14 21:16:47,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:16:47,563 INFO L85 PathProgramCache]: Analyzing trace with hash 323657744, now seen corresponding path program 1 times [2024-10-14 21:16:47,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:16:47,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905283636] [2024-10-14 21:16:47,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:16:47,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:16:47,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:47,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:16:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:48,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:16:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:48,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:16:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:48,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:16:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:48,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:16:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:48,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 21:16:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:48,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 21:16:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:48,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:16:48,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:16:48,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905283636] [2024-10-14 21:16:48,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905283636] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:16:48,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:16:48,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 21:16:48,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648323905] [2024-10-14 21:16:48,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:16:48,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 21:16:48,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:16:48,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 21:16:48,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-14 21:16:48,184 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) [2024-10-14 21:16:48,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:16:48,986 INFO L93 Difference]: Finished difference Result 373 states and 565 transitions. [2024-10-14 21:16:48,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 21:16:48,989 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 [2024-10-14 21:16:48,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:16:48,999 INFO L225 Difference]: With dead ends: 373 [2024-10-14 21:16:48,999 INFO L226 Difference]: Without dead ends: 255 [2024-10-14 21:16:49,005 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=193, Unknown=0, NotChecked=0, Total=272 [2024-10-14 21:16:49,009 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 357 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 21:16:49,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 509 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 21:16:49,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-10-14 21:16:49,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 216. [2024-10-14 21:16:49,099 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) [2024-10-14 21:16:49,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 310 transitions. [2024-10-14 21:16:49,109 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 310 transitions. Word has length 54 [2024-10-14 21:16:49,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:16:49,110 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 310 transitions. [2024-10-14 21:16:49,110 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) [2024-10-14 21:16:49,111 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 310 transitions. [2024-10-14 21:16:49,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-14 21:16:49,114 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:16:49,114 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] [2024-10-14 21:16:49,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 21:16:49,115 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)] === [2024-10-14 21:16:49,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:16:49,116 INFO L85 PathProgramCache]: Analyzing trace with hash 880293456, now seen corresponding path program 1 times [2024-10-14 21:16:49,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:16:49,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705305411] [2024-10-14 21:16:49,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:16:49,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:16:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:49,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:16:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:49,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:16:49,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:49,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:16:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:49,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:16:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:49,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:16:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:49,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 21:16:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:49,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 21:16:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:49,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:16:49,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:16:49,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705305411] [2024-10-14 21:16:49,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705305411] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:16:49,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:16:49,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 21:16:49,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071945789] [2024-10-14 21:16:49,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:16:49,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 21:16:49,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:16:49,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 21:16:49,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 21:16:49,364 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) [2024-10-14 21:16:50,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:16:50,175 INFO L93 Difference]: Finished difference Result 599 states and 864 transitions. [2024-10-14 21:16:50,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-14 21:16:50,176 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 [2024-10-14 21:16:50,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:16:50,180 INFO L225 Difference]: With dead ends: 599 [2024-10-14 21:16:50,180 INFO L226 Difference]: Without dead ends: 397 [2024-10-14 21:16:50,181 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 [2024-10-14 21:16:50,182 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 442 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 450 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 21:16:50,183 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [450 Valid, 719 Invalid, 818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 21:16:50,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-10-14 21:16:50,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 323. [2024-10-14 21:16:50,232 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) [2024-10-14 21:16:50,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 469 transitions. [2024-10-14 21:16:50,235 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 469 transitions. Word has length 54 [2024-10-14 21:16:50,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:16:50,236 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 469 transitions. [2024-10-14 21:16:50,237 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) [2024-10-14 21:16:50,237 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 469 transitions. [2024-10-14 21:16:50,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-14 21:16:50,242 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:16:50,243 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] [2024-10-14 21:16:50,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 21:16:50,243 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)] === [2024-10-14 21:16:50,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:16:50,244 INFO L85 PathProgramCache]: Analyzing trace with hash -17099822, now seen corresponding path program 1 times [2024-10-14 21:16:50,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:16:50,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800386248] [2024-10-14 21:16:50,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:16:50,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:16:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:50,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:16:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:50,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:16:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:50,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:16:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:50,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:16:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:50,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:16:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:50,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-14 21:16:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:50,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-14 21:16:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:50,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:16:50,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:16:50,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800386248] [2024-10-14 21:16:50,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800386248] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:16:50,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:16:50,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 21:16:50,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941176737] [2024-10-14 21:16:50,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:16:50,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 21:16:50,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:16:50,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 21:16:50,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-14 21:16:50,427 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) [2024-10-14 21:16:51,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:16:51,577 INFO L93 Difference]: Finished difference Result 1265 states and 1845 transitions. [2024-10-14 21:16:51,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-14 21:16:51,577 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 [2024-10-14 21:16:51,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:16:51,583 INFO L225 Difference]: With dead ends: 1265 [2024-10-14 21:16:51,584 INFO L226 Difference]: Without dead ends: 944 [2024-10-14 21:16:51,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=147, Invalid=503, Unknown=0, NotChecked=0, Total=650 [2024-10-14 21:16:51,587 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 783 mSDsluCounter, 865 mSDsCounter, 0 mSdLazyCounter, 1084 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 21:16:51,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [801 Valid, 1065 Invalid, 1252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 1084 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 21:16:51,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2024-10-14 21:16:51,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 816. [2024-10-14 21:16:51,691 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) [2024-10-14 21:16:51,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1142 transitions. [2024-10-14 21:16:51,696 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 1142 transitions. Word has length 54 [2024-10-14 21:16:51,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:16:51,697 INFO L471 AbstractCegarLoop]: Abstraction has 816 states and 1142 transitions. [2024-10-14 21:16:51,697 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) [2024-10-14 21:16:51,697 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1142 transitions. [2024-10-14 21:16:51,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-14 21:16:51,702 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:16:51,702 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] [2024-10-14 21:16:51,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 21:16:51,702 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)] === [2024-10-14 21:16:51,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:16:51,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1411528272, now seen corresponding path program 1 times [2024-10-14 21:16:51,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:16:51,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630954599] [2024-10-14 21:16:51,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:16:51,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:16:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:51,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:16:51,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:51,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:16:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:51,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:16:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:51,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:16:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:51,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 21:16:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:51,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 21:16:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:51,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 21:16:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:51,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:16:51,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:16:51,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630954599] [2024-10-14 21:16:51,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630954599] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:16:51,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:16:51,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 21:16:51,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235335262] [2024-10-14 21:16:51,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:16:51,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 21:16:51,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:16:51,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 21:16:51,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-14 21:16:51,863 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) [2024-10-14 21:16:52,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:16:52,352 INFO L93 Difference]: Finished difference Result 1698 states and 2388 transitions. [2024-10-14 21:16:52,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 21:16:52,353 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 [2024-10-14 21:16:52,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:16:52,358 INFO L225 Difference]: With dead ends: 1698 [2024-10-14 21:16:52,358 INFO L226 Difference]: Without dead ends: 890 [2024-10-14 21:16:52,360 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 [2024-10-14 21:16:52,362 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 117 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2024-10-14 21:16:52,366 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] [2024-10-14 21:16:52,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2024-10-14 21:16:52,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 832. [2024-10-14 21:16:52,456 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) [2024-10-14 21:16:52,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1154 transitions. [2024-10-14 21:16:52,463 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1154 transitions. Word has length 55 [2024-10-14 21:16:52,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:16:52,464 INFO L471 AbstractCegarLoop]: Abstraction has 832 states and 1154 transitions. [2024-10-14 21:16:52,465 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) [2024-10-14 21:16:52,465 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1154 transitions. [2024-10-14 21:16:52,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-14 21:16:52,468 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:16:52,468 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] [2024-10-14 21:16:52,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 21:16:52,469 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)] === [2024-10-14 21:16:52,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:16:52,469 INFO L85 PathProgramCache]: Analyzing trace with hash -709928398, now seen corresponding path program 1 times [2024-10-14 21:16:52,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:16:52,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676138602] [2024-10-14 21:16:52,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:16:52,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:16:52,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:52,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:16:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:52,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:16:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:52,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:16:52,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:52,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:16:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:52,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 21:16:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:52,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 21:16:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:52,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-14 21:16:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:52,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:16:52,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:16:52,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676138602] [2024-10-14 21:16:52,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676138602] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:16:52,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:16:52,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 21:16:52,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56386789] [2024-10-14 21:16:52,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:16:52,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 21:16:52,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:16:52,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 21:16:52,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-14 21:16:52,616 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) [2024-10-14 21:16:53,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:16:53,691 INFO L93 Difference]: Finished difference Result 3143 states and 4470 transitions. [2024-10-14 21:16:53,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-10-14 21:16:53,691 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 [2024-10-14 21:16:53,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:16:53,701 INFO L225 Difference]: With dead ends: 3143 [2024-10-14 21:16:53,701 INFO L226 Difference]: Without dead ends: 2319 [2024-10-14 21:16:53,705 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=503, Unknown=0, NotChecked=0, Total=650 [2024-10-14 21:16:53,707 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 937 mSDsluCounter, 717 mSDsCounter, 0 mSdLazyCounter, 939 mSolverCounterSat, 219 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 21:16:53,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [955 Valid, 917 Invalid, 1158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [219 Valid, 939 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 21:16:53,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2319 states. [2024-10-14 21:16:53,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2319 to 2034. [2024-10-14 21:16:53,887 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) [2024-10-14 21:16:53,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2034 states to 2034 states and 2756 transitions. [2024-10-14 21:16:53,896 INFO L78 Accepts]: Start accepts. Automaton has 2034 states and 2756 transitions. Word has length 55 [2024-10-14 21:16:53,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:16:53,897 INFO L471 AbstractCegarLoop]: Abstraction has 2034 states and 2756 transitions. [2024-10-14 21:16:53,897 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) [2024-10-14 21:16:53,898 INFO L276 IsEmpty]: Start isEmpty. Operand 2034 states and 2756 transitions. [2024-10-14 21:16:53,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-14 21:16:53,898 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:16:53,899 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] [2024-10-14 21:16:53,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 21:16:53,899 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)] === [2024-10-14 21:16:53,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:16:53,899 INFO L85 PathProgramCache]: Analyzing trace with hash -877185763, now seen corresponding path program 1 times [2024-10-14 21:16:53,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:16:53,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918063132] [2024-10-14 21:16:53,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:16:53,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:16:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:53,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:16:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:53,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:16:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:53,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:16:53,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:54,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:16:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:54,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 21:16:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:54,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:16:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:54,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 21:16:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:54,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:16:54,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:16:54,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918063132] [2024-10-14 21:16:54,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918063132] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:16:54,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:16:54,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 21:16:54,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718417976] [2024-10-14 21:16:54,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:16:54,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 21:16:54,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:16:54,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 21:16:54,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-14 21:16:54,036 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) [2024-10-14 21:16:54,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:16:54,595 INFO L93 Difference]: Finished difference Result 4288 states and 5860 transitions. [2024-10-14 21:16:54,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 21:16:54,595 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 [2024-10-14 21:16:54,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:16:54,606 INFO L225 Difference]: With dead ends: 4288 [2024-10-14 21:16:54,606 INFO L226 Difference]: Without dead ends: 2262 [2024-10-14 21:16:54,610 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 [2024-10-14 21:16:54,611 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 120 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 511 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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 [2024-10-14 21:16:54,611 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] [2024-10-14 21:16:54,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2262 states. [2024-10-14 21:16:54,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2262 to 2114. [2024-10-14 21:16:54,754 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) [2024-10-14 21:16:54,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 2114 states and 2836 transitions. [2024-10-14 21:16:54,764 INFO L78 Accepts]: Start accepts. Automaton has 2114 states and 2836 transitions. Word has length 56 [2024-10-14 21:16:54,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:16:54,764 INFO L471 AbstractCegarLoop]: Abstraction has 2114 states and 2836 transitions. [2024-10-14 21:16:54,765 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) [2024-10-14 21:16:54,765 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 2836 transitions. [2024-10-14 21:16:54,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-14 21:16:54,766 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:16:54,766 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] [2024-10-14 21:16:54,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 21:16:54,766 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)] === [2024-10-14 21:16:54,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:16:54,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1612343199, now seen corresponding path program 1 times [2024-10-14 21:16:54,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:16:54,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117766504] [2024-10-14 21:16:54,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:16:54,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:16:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:54,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:16:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:54,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:16:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:54,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:16:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:54,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:16:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:54,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 21:16:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:54,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:16:54,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:54,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 21:16:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:54,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:16:54,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:16:54,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117766504] [2024-10-14 21:16:54,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117766504] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:16:54,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:16:54,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 21:16:54,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760279258] [2024-10-14 21:16:54,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:16:54,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 21:16:54,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:16:54,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 21:16:54,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 21:16:54,917 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) [2024-10-14 21:16:55,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:16:55,728 INFO L93 Difference]: Finished difference Result 4245 states and 5693 transitions. [2024-10-14 21:16:55,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-14 21:16:55,729 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 [2024-10-14 21:16:55,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:16:55,740 INFO L225 Difference]: With dead ends: 4245 [2024-10-14 21:16:55,740 INFO L226 Difference]: Without dead ends: 2139 [2024-10-14 21:16:55,744 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2024-10-14 21:16:55,745 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 471 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 618 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 618 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 21:16:55,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 512 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 618 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 21:16:55,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2139 states. [2024-10-14 21:16:55,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2139 to 1814. [2024-10-14 21:16:55,915 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) [2024-10-14 21:16:55,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1814 states to 1814 states and 2428 transitions. [2024-10-14 21:16:55,926 INFO L78 Accepts]: Start accepts. Automaton has 1814 states and 2428 transitions. Word has length 56 [2024-10-14 21:16:55,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:16:55,928 INFO L471 AbstractCegarLoop]: Abstraction has 1814 states and 2428 transitions. [2024-10-14 21:16:55,928 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) [2024-10-14 21:16:55,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 2428 transitions. [2024-10-14 21:16:55,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-10-14 21:16:55,929 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:16:55,929 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] [2024-10-14 21:16:55,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 21:16:55,930 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)] === [2024-10-14 21:16:55,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:16:55,931 INFO L85 PathProgramCache]: Analyzing trace with hash -381801507, now seen corresponding path program 1 times [2024-10-14 21:16:55,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:16:55,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718895035] [2024-10-14 21:16:55,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:16:55,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:16:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:55,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:16:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:55,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:16:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:56,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:16:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:56,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:16:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:56,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 21:16:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:56,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:16:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:56,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 21:16:56,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:56,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:16:56,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:16:56,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718895035] [2024-10-14 21:16:56,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718895035] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:16:56,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:16:56,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 21:16:56,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849762789] [2024-10-14 21:16:56,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:16:56,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 21:16:56,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:16:56,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 21:16:56,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 21:16:56,050 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) [2024-10-14 21:16:56,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:16:56,679 INFO L93 Difference]: Finished difference Result 5491 states and 7435 transitions. [2024-10-14 21:16:56,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 21:16:56,679 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 [2024-10-14 21:16:56,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:16:56,695 INFO L225 Difference]: With dead ends: 5491 [2024-10-14 21:16:56,696 INFO L226 Difference]: Without dead ends: 3686 [2024-10-14 21:16:56,701 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 [2024-10-14 21:16:56,701 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 428 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 21:16:56,702 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 336 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 21:16:56,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3686 states. [2024-10-14 21:16:56,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3686 to 3502. [2024-10-14 21:16:56,959 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) [2024-10-14 21:16:56,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3502 states to 3502 states and 4670 transitions. [2024-10-14 21:16:56,971 INFO L78 Accepts]: Start accepts. Automaton has 3502 states and 4670 transitions. Word has length 56 [2024-10-14 21:16:56,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:16:56,971 INFO L471 AbstractCegarLoop]: Abstraction has 3502 states and 4670 transitions. [2024-10-14 21:16:56,972 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) [2024-10-14 21:16:56,972 INFO L276 IsEmpty]: Start isEmpty. Operand 3502 states and 4670 transitions. [2024-10-14 21:16:56,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-14 21:16:56,973 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:16:56,973 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] [2024-10-14 21:16:56,973 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 21:16:56,973 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)] === [2024-10-14 21:16:56,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:16:56,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1940001356, now seen corresponding path program 1 times [2024-10-14 21:16:56,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:16:56,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212118595] [2024-10-14 21:16:56,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:16:56,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:16:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:57,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:16:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:57,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:16:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:57,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:16:57,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:57,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:16:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:57,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 21:16:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:57,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:16:57,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:57,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 21:16:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:57,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:16:57,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:16:57,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212118595] [2024-10-14 21:16:57,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212118595] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:16:57,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:16:57,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 21:16:57,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325818585] [2024-10-14 21:16:57,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:16:57,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 21:16:57,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:16:57,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 21:16:57,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 21:16:57,046 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) [2024-10-14 21:16:57,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:16:57,573 INFO L93 Difference]: Finished difference Result 7029 states and 9427 transitions. [2024-10-14 21:16:57,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 21:16:57,573 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 [2024-10-14 21:16:57,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:16:57,592 INFO L225 Difference]: With dead ends: 7029 [2024-10-14 21:16:57,592 INFO L226 Difference]: Without dead ends: 3539 [2024-10-14 21:16:57,601 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 [2024-10-14 21:16:57,602 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, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 21:16:57,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 316 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 21:16:57,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3539 states. [2024-10-14 21:16:57,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3539 to 3254. [2024-10-14 21:16:57,906 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) [2024-10-14 21:16:57,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3254 states to 3254 states and 4284 transitions. [2024-10-14 21:16:57,918 INFO L78 Accepts]: Start accepts. Automaton has 3254 states and 4284 transitions. Word has length 57 [2024-10-14 21:16:57,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:16:57,918 INFO L471 AbstractCegarLoop]: Abstraction has 3254 states and 4284 transitions. [2024-10-14 21:16:57,918 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) [2024-10-14 21:16:57,918 INFO L276 IsEmpty]: Start isEmpty. Operand 3254 states and 4284 transitions. [2024-10-14 21:16:57,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-10-14 21:16:57,919 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:16:57,919 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] [2024-10-14 21:16:57,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 21:16:57,920 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)] === [2024-10-14 21:16:57,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:16:57,920 INFO L85 PathProgramCache]: Analyzing trace with hash 577308080, now seen corresponding path program 1 times [2024-10-14 21:16:57,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:16:57,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290522972] [2024-10-14 21:16:57,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:16:57,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:16:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:57,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:16:57,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:57,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:16:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:57,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:16:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:57,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:16:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:57,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 21:16:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:57,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:16:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:57,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 21:16:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:57,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 21:16:57,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:16:57,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290522972] [2024-10-14 21:16:57,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290522972] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:16:57,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:16:57,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 21:16:57,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723758366] [2024-10-14 21:16:57,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:16:57,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 21:16:57,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:16:57,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 21:16:57,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 21:16:57,995 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) [2024-10-14 21:16:58,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:16:58,531 INFO L93 Difference]: Finished difference Result 6695 states and 8819 transitions. [2024-10-14 21:16:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 21:16:58,532 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 [2024-10-14 21:16:58,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:16:58,551 INFO L225 Difference]: With dead ends: 6695 [2024-10-14 21:16:58,551 INFO L226 Difference]: Without dead ends: 3453 [2024-10-14 21:16:58,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-10-14 21:16:58,559 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 254 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 21:16:58,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 396 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 21:16:58,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3453 states. [2024-10-14 21:16:58,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3453 to 3252. [2024-10-14 21:16:58,815 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) [2024-10-14 21:16:58,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3252 states to 3252 states and 4278 transitions. [2024-10-14 21:16:58,827 INFO L78 Accepts]: Start accepts. Automaton has 3252 states and 4278 transitions. Word has length 57 [2024-10-14 21:16:58,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:16:58,828 INFO L471 AbstractCegarLoop]: Abstraction has 3252 states and 4278 transitions. [2024-10-14 21:16:58,828 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) [2024-10-14 21:16:58,828 INFO L276 IsEmpty]: Start isEmpty. Operand 3252 states and 4278 transitions. [2024-10-14 21:16:58,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-14 21:16:58,829 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:16:58,829 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] [2024-10-14 21:16:58,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 21:16:58,830 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)] === [2024-10-14 21:16:58,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:16:58,830 INFO L85 PathProgramCache]: Analyzing trace with hash 2120004182, now seen corresponding path program 1 times [2024-10-14 21:16:58,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:16:58,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748373882] [2024-10-14 21:16:58,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:16:58,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:16:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:58,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:16:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:58,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:16:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:58,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:16:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:58,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:16:58,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:58,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 21:16:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:58,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:16:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:58,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 21:16:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:58,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 21:16:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:16:58,922 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 21:16:58,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:16:58,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748373882] [2024-10-14 21:16:58,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748373882] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:16:58,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:16:58,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 21:16:58,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143949779] [2024-10-14 21:16:58,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:16:58,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 21:16:58,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:16:58,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 21:16:58,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-10-14 21:16:58,924 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) [2024-10-14 21:16:59,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:16:59,816 INFO L93 Difference]: Finished difference Result 9906 states and 13148 transitions. [2024-10-14 21:16:59,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 21:16:59,817 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 [2024-10-14 21:16:59,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:16:59,851 INFO L225 Difference]: With dead ends: 9906 [2024-10-14 21:16:59,851 INFO L226 Difference]: Without dead ends: 6668 [2024-10-14 21:16:59,860 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 [2024-10-14 21:16:59,861 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, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 21:16:59,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [443 Valid, 294 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 21:16:59,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6668 states. [2024-10-14 21:17:00,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6668 to 6326. [2024-10-14 21:17:00,331 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) [2024-10-14 21:17:00,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6326 states to 6326 states and 8316 transitions. [2024-10-14 21:17:00,353 INFO L78 Accepts]: Start accepts. Automaton has 6326 states and 8316 transitions. Word has length 71 [2024-10-14 21:17:00,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:17:00,353 INFO L471 AbstractCegarLoop]: Abstraction has 6326 states and 8316 transitions. [2024-10-14 21:17:00,354 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) [2024-10-14 21:17:00,354 INFO L276 IsEmpty]: Start isEmpty. Operand 6326 states and 8316 transitions. [2024-10-14 21:17:00,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-14 21:17:00,355 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:17:00,355 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] [2024-10-14 21:17:00,355 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 21:17:00,356 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)] === [2024-10-14 21:17:00,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:17:00,356 INFO L85 PathProgramCache]: Analyzing trace with hash 2065611284, now seen corresponding path program 1 times [2024-10-14 21:17:00,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:17:00,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580625212] [2024-10-14 21:17:00,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:00,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:17:00,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:00,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:00,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:00,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:17:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:00,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:00,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 21:17:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:00,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:17:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:00,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 21:17:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:00,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 21:17:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:00,415 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-14 21:17:00,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:17:00,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580625212] [2024-10-14 21:17:00,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580625212] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:17:00,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:17:00,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 21:17:00,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561193291] [2024-10-14 21:17:00,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:17:00,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 21:17:00,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:17:00,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 21:17:00,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 21:17:00,418 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) [2024-10-14 21:17:00,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:17:00,928 INFO L93 Difference]: Finished difference Result 11361 states and 14917 transitions. [2024-10-14 21:17:00,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 21:17:00,928 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 [2024-10-14 21:17:00,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:17:00,949 INFO L225 Difference]: With dead ends: 11361 [2024-10-14 21:17:00,949 INFO L226 Difference]: Without dead ends: 5049 [2024-10-14 21:17:00,961 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 [2024-10-14 21:17:00,961 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 [2024-10-14 21:17:00,962 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] [2024-10-14 21:17:00,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5049 states. [2024-10-14 21:17:01,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5049 to 4780. [2024-10-14 21:17:01,369 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) [2024-10-14 21:17:01,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4780 states to 4780 states and 6268 transitions. [2024-10-14 21:17:01,385 INFO L78 Accepts]: Start accepts. Automaton has 4780 states and 6268 transitions. Word has length 71 [2024-10-14 21:17:01,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:17:01,386 INFO L471 AbstractCegarLoop]: Abstraction has 4780 states and 6268 transitions. [2024-10-14 21:17:01,386 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) [2024-10-14 21:17:01,386 INFO L276 IsEmpty]: Start isEmpty. Operand 4780 states and 6268 transitions. [2024-10-14 21:17:01,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-14 21:17:01,388 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:17:01,388 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] [2024-10-14 21:17:01,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 21:17:01,389 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)] === [2024-10-14 21:17:01,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:17:01,389 INFO L85 PathProgramCache]: Analyzing trace with hash 769855791, now seen corresponding path program 1 times [2024-10-14 21:17:01,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:17:01,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661268858] [2024-10-14 21:17:01,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:01,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:17:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:01,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:01,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:01,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:17:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:01,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:01,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 21:17:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:01,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:17:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:01,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 21:17:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:01,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 21:17:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:01,518 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 21:17:01,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:17:01,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661268858] [2024-10-14 21:17:01,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661268858] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:17:01,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 21:17:01,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 21:17:01,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946148935] [2024-10-14 21:17:01,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:17:01,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 21:17:01,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:17:01,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 21:17:01,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-14 21:17:01,521 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) [2024-10-14 21:17:02,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:17:02,910 INFO L93 Difference]: Finished difference Result 8753 states and 11434 transitions. [2024-10-14 21:17:02,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-10-14 21:17:02,911 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 [2024-10-14 21:17:02,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:17:02,934 INFO L225 Difference]: With dead ends: 8753 [2024-10-14 21:17:02,934 INFO L226 Difference]: Without dead ends: 4210 [2024-10-14 21:17:02,948 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=720, Unknown=0, NotChecked=0, Total=930 [2024-10-14 21:17:02,949 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 1134 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 320 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 21:17:02,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1151 Valid, 574 Invalid, 1051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [320 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 21:17:02,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4210 states. [2024-10-14 21:17:03,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4210 to 3855. [2024-10-14 21:17:03,275 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) [2024-10-14 21:17:03,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3855 states to 3855 states and 4903 transitions. [2024-10-14 21:17:03,295 INFO L78 Accepts]: Start accepts. Automaton has 3855 states and 4903 transitions. Word has length 72 [2024-10-14 21:17:03,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:17:03,295 INFO L471 AbstractCegarLoop]: Abstraction has 3855 states and 4903 transitions. [2024-10-14 21:17:03,296 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) [2024-10-14 21:17:03,297 INFO L276 IsEmpty]: Start isEmpty. Operand 3855 states and 4903 transitions. [2024-10-14 21:17:03,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-10-14 21:17:03,299 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:17:03,300 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] [2024-10-14 21:17:03,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 21:17:03,300 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)] === [2024-10-14 21:17:03,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:17:03,301 INFO L85 PathProgramCache]: Analyzing trace with hash -463905739, now seen corresponding path program 1 times [2024-10-14 21:17:03,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:17:03,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917062115] [2024-10-14 21:17:03,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:03,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:17:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:03,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:03,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:03,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:17:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:03,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:03,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 21:17:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:03,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:17:03,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:03,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 21:17:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:03,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 21:17:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:03,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 21:17:03,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:03,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 21:17:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:03,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:03,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 21:17:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:03,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 21:17:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:03,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 21:17:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:03,439 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-14 21:17:03,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:17:03,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917062115] [2024-10-14 21:17:03,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917062115] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:17:03,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1589921614] [2024-10-14 21:17:03,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:03,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:17:03,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:17:03,443 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:17:03,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 21:17:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:03,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 21:17:03,538 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:17:03,715 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 21:17:03,715 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 21:17:03,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1589921614] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:17:03,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 21:17:03,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [10] total 11 [2024-10-14 21:17:03,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573724986] [2024-10-14 21:17:03,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:17:03,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 21:17:03,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:17:03,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 21:17:03,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-14 21:17:03,717 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) [2024-10-14 21:17:03,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:17:03,981 INFO L93 Difference]: Finished difference Result 3855 states and 4903 transitions. [2024-10-14 21:17:03,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 21:17:03,981 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 [2024-10-14 21:17:03,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:17:03,997 INFO L225 Difference]: With dead ends: 3855 [2024-10-14 21:17:03,997 INFO L226 Difference]: Without dead ends: 3854 [2024-10-14 21:17:03,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-14 21:17:04,000 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 [2024-10-14 21:17:04,000 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] [2024-10-14 21:17:04,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3854 states. [2024-10-14 21:17:04,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3854 to 3854. [2024-10-14 21:17:04,257 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) [2024-10-14 21:17:04,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3854 states to 3854 states and 4861 transitions. [2024-10-14 21:17:04,274 INFO L78 Accepts]: Start accepts. Automaton has 3854 states and 4861 transitions. Word has length 97 [2024-10-14 21:17:04,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:17:04,274 INFO L471 AbstractCegarLoop]: Abstraction has 3854 states and 4861 transitions. [2024-10-14 21:17:04,274 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) [2024-10-14 21:17:04,275 INFO L276 IsEmpty]: Start isEmpty. Operand 3854 states and 4861 transitions. [2024-10-14 21:17:04,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-10-14 21:17:04,276 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:17:04,276 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] [2024-10-14 21:17:04,295 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 21:17:04,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-14 21:17:04,481 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)] === [2024-10-14 21:17:04,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:17:04,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1496175690, now seen corresponding path program 1 times [2024-10-14 21:17:04,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:17:04,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545371458] [2024-10-14 21:17:04,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:04,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:17:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:04,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:04,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:04,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:17:04,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:04,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:04,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 21:17:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:04,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:17:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:04,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 21:17:04,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:04,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 21:17:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:04,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 21:17:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:04,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 21:17:04,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:04,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:04,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 21:17:04,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:04,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-14 21:17:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:04,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-14 21:17:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:04,612 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-14 21:17:04,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:17:04,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545371458] [2024-10-14 21:17:04,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545371458] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:17:04,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398020761] [2024-10-14 21:17:04,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:04,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:17:04,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:17:04,615 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:17:04,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 21:17:04,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:04,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 21:17:04,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:17:04,809 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-14 21:17:04,809 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 21:17:04,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398020761] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:17:04,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 21:17:04,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [10] total 11 [2024-10-14 21:17:04,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997653120] [2024-10-14 21:17:04,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:17:04,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 21:17:04,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:17:04,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 21:17:04,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-14 21:17:04,814 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) [2024-10-14 21:17:05,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:17:05,367 INFO L93 Difference]: Finished difference Result 11448 states and 14413 transitions. [2024-10-14 21:17:05,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 21:17:05,368 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 [2024-10-14 21:17:05,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:17:05,399 INFO L225 Difference]: With dead ends: 11448 [2024-10-14 21:17:05,400 INFO L226 Difference]: Without dead ends: 7163 [2024-10-14 21:17:05,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-14 21:17:05,414 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 [2024-10-14 21:17:05,414 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] [2024-10-14 21:17:05,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7163 states. [2024-10-14 21:17:06,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7163 to 7161. [2024-10-14 21:17:06,114 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) [2024-10-14 21:17:06,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7161 states to 7161 states and 8966 transitions. [2024-10-14 21:17:06,144 INFO L78 Accepts]: Start accepts. Automaton has 7161 states and 8966 transitions. Word has length 98 [2024-10-14 21:17:06,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:17:06,145 INFO L471 AbstractCegarLoop]: Abstraction has 7161 states and 8966 transitions. [2024-10-14 21:17:06,145 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) [2024-10-14 21:17:06,145 INFO L276 IsEmpty]: Start isEmpty. Operand 7161 states and 8966 transitions. [2024-10-14 21:17:06,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-14 21:17:06,152 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:17:06,152 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] [2024-10-14 21:17:06,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-14 21:17:06,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-14 21:17:06,353 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)] === [2024-10-14 21:17:06,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:17:06,354 INFO L85 PathProgramCache]: Analyzing trace with hash 704518975, now seen corresponding path program 1 times [2024-10-14 21:17:06,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:17:06,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58875610] [2024-10-14 21:17:06,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:06,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:17:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:06,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:06,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:06,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:06,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:17:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:06,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:06,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 21:17:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:06,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:17:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:06,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 21:17:06,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:06,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 21:17:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:06,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 21:17:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:06,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 21:17:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:06,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 21:17:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:06,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:06,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:06,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 21:17:06,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:06,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 21:17:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:06,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 21:17:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:06,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 21:17:06,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:06,525 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-14 21:17:06,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:17:06,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58875610] [2024-10-14 21:17:06,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58875610] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:17:06,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354435565] [2024-10-14 21:17:06,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:06,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:17:06,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:17:06,529 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:17:06,531 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 21:17:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:06,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 21:17:06,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:17:06,806 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-10-14 21:17:06,806 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 21:17:06,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354435565] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:17:06,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 21:17:06,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [10] total 11 [2024-10-14 21:17:06,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247836141] [2024-10-14 21:17:06,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:17:06,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 21:17:06,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:17:06,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 21:17:06,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-14 21:17:06,810 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) [2024-10-14 21:17:07,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:17:07,476 INFO L93 Difference]: Finished difference Result 7161 states and 8966 transitions. [2024-10-14 21:17:07,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 21:17:07,476 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 [2024-10-14 21:17:07,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:17:07,496 INFO L225 Difference]: With dead ends: 7161 [2024-10-14 21:17:07,497 INFO L226 Difference]: Without dead ends: 7160 [2024-10-14 21:17:07,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-14 21:17:07,499 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 [2024-10-14 21:17:07,500 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] [2024-10-14 21:17:07,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7160 states. [2024-10-14 21:17:07,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7160 to 7160. [2024-10-14 21:17:07,987 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) [2024-10-14 21:17:08,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7160 states to 7160 states and 8944 transitions. [2024-10-14 21:17:08,015 INFO L78 Accepts]: Start accepts. Automaton has 7160 states and 8944 transitions. Word has length 136 [2024-10-14 21:17:08,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:17:08,016 INFO L471 AbstractCegarLoop]: Abstraction has 7160 states and 8944 transitions. [2024-10-14 21:17:08,016 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) [2024-10-14 21:17:08,017 INFO L276 IsEmpty]: Start isEmpty. Operand 7160 states and 8944 transitions. [2024-10-14 21:17:08,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-10-14 21:17:08,022 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:17:08,022 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] [2024-10-14 21:17:08,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-14 21:17:08,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:17:08,225 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)] === [2024-10-14 21:17:08,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:17:08,225 INFO L85 PathProgramCache]: Analyzing trace with hash 365251979, now seen corresponding path program 1 times [2024-10-14 21:17:08,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:17:08,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6328957] [2024-10-14 21:17:08,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:08,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:17:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:08,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:08,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:08,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:17:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:08,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:08,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 21:17:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:08,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:17:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:08,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 21:17:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:08,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 21:17:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:08,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 21:17:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:08,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 21:17:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:08,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 21:17:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:08,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:08,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:08,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 21:17:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:08,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 21:17:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:08,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 21:17:08,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:08,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 21:17:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:08,371 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 16 proven. 6 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-14 21:17:08,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:17:08,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6328957] [2024-10-14 21:17:08,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6328957] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:17:08,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792215952] [2024-10-14 21:17:08,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:08,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:17:08,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:17:08,373 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:17:08,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 21:17:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:08,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 21:17:08,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:17:08,635 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-10-14 21:17:08,636 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 21:17:08,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792215952] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:17:08,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 21:17:08,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [10] total 11 [2024-10-14 21:17:08,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679624779] [2024-10-14 21:17:08,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:17:08,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 21:17:08,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:17:08,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 21:17:08,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-14 21:17:08,639 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) [2024-10-14 21:17:09,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:17:09,353 INFO L93 Difference]: Finished difference Result 11219 states and 14092 transitions. [2024-10-14 21:17:09,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 21:17:09,353 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 [2024-10-14 21:17:09,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:17:09,396 INFO L225 Difference]: With dead ends: 11219 [2024-10-14 21:17:09,396 INFO L226 Difference]: Without dead ends: 11218 [2024-10-14 21:17:09,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-14 21:17:09,403 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 [2024-10-14 21:17:09,404 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] [2024-10-14 21:17:09,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11218 states. [2024-10-14 21:17:10,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11218 to 11194. [2024-10-14 21:17:10,278 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) [2024-10-14 21:17:10,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11194 states to 11194 states and 14054 transitions. [2024-10-14 21:17:10,311 INFO L78 Accepts]: Start accepts. Automaton has 11194 states and 14054 transitions. Word has length 137 [2024-10-14 21:17:10,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:17:10,312 INFO L471 AbstractCegarLoop]: Abstraction has 11194 states and 14054 transitions. [2024-10-14 21:17:10,312 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) [2024-10-14 21:17:10,312 INFO L276 IsEmpty]: Start isEmpty. Operand 11194 states and 14054 transitions. [2024-10-14 21:17:10,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-10-14 21:17:10,339 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:17:10,339 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] [2024-10-14 21:17:10,364 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-14 21:17:10,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-14 21:17:10,540 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)] === [2024-10-14 21:17:10,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:17:10,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1499817642, now seen corresponding path program 1 times [2024-10-14 21:17:10,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:17:10,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652848975] [2024-10-14 21:17:10,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:10,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:17:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:10,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:17:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 21:17:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:17:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 21:17:10,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 21:17:10,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 21:17:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 21:17:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 21:17:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-14 21:17:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 21:17:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 21:17:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 21:17:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-14 21:17:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 21:17:10,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-14 21:17:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-14 21:17:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 21:17:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-14 21:17:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-14 21:17:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-14 21:17:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,762 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 40 proven. 14 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2024-10-14 21:17:10,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:17:10,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652848975] [2024-10-14 21:17:10,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652848975] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:17:10,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102001369] [2024-10-14 21:17:10,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:10,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:17:10,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:17:10,764 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:17:10,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 21:17:10,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:10,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 21:17:10,883 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:17:10,994 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-10-14 21:17:10,995 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 21:17:10,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102001369] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:17:10,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 21:17:10,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10] total 11 [2024-10-14 21:17:10,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289319947] [2024-10-14 21:17:10,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:17:10,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 21:17:10,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:17:10,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 21:17:10,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-14 21:17:10,997 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) [2024-10-14 21:17:12,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:17:12,982 INFO L93 Difference]: Finished difference Result 32008 states and 40211 transitions. [2024-10-14 21:17:12,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 21:17:12,982 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 [2024-10-14 21:17:12,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:17:13,052 INFO L225 Difference]: With dead ends: 32008 [2024-10-14 21:17:13,052 INFO L226 Difference]: Without dead ends: 21281 [2024-10-14 21:17:13,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-14 21:17:13,082 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 [2024-10-14 21:17:13,082 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] [2024-10-14 21:17:13,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21281 states. [2024-10-14 21:17:14,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21281 to 21158. [2024-10-14 21:17:14,479 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) [2024-10-14 21:17:14,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21158 states to 21158 states and 26258 transitions. [2024-10-14 21:17:14,531 INFO L78 Accepts]: Start accepts. Automaton has 21158 states and 26258 transitions. Word has length 224 [2024-10-14 21:17:14,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:17:14,531 INFO L471 AbstractCegarLoop]: Abstraction has 21158 states and 26258 transitions. [2024-10-14 21:17:14,531 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) [2024-10-14 21:17:14,532 INFO L276 IsEmpty]: Start isEmpty. Operand 21158 states and 26258 transitions. [2024-10-14 21:17:14,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-10-14 21:17:14,566 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:17:14,567 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] [2024-10-14 21:17:14,585 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-14 21:17:14,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-14 21:17:14,768 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)] === [2024-10-14 21:17:14,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:17:14,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1342331990, now seen corresponding path program 1 times [2024-10-14 21:17:14,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:17:14,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840717695] [2024-10-14 21:17:14,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:14,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:17:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:14,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:14,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:14,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:14,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:17:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:14,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:14,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 21:17:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:14,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:17:14,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:14,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 21:17:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:14,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-10-14 21:17:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:14,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-14 21:17:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:14,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-10-14 21:17:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:14,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 21:17:14,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:14,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:14,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 21:17:14,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:14,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 21:17:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:14,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 21:17:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:14,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-10-14 21:17:14,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:15,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:15,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:15,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 21:17:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:15,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-10-14 21:17:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:15,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 21:17:15,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:15,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 21:17:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:15,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 21:17:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:15,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-14 21:17:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:15,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:15,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:15,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-10-14 21:17:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:15,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-14 21:17:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:15,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-14 21:17:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:15,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-10-14 21:17:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:15,021 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 46 proven. 28 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2024-10-14 21:17:15,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:17:15,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840717695] [2024-10-14 21:17:15,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840717695] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:17:15,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217911439] [2024-10-14 21:17:15,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:15,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:17:15,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:17:15,025 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:17:15,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 21:17:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:15,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 725 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 21:17:15,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:17:15,281 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2024-10-14 21:17:15,282 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 21:17:15,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217911439] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:17:15,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 21:17:15,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10] total 11 [2024-10-14 21:17:15,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963120162] [2024-10-14 21:17:15,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:17:15,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 21:17:15,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:17:15,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 21:17:15,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-14 21:17:15,285 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) [2024-10-14 21:17:18,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:17:18,256 INFO L93 Difference]: Finished difference Result 62050 states and 77404 transitions. [2024-10-14 21:17:18,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 21:17:18,257 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 [2024-10-14 21:17:18,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:17:18,445 INFO L225 Difference]: With dead ends: 62050 [2024-10-14 21:17:18,445 INFO L226 Difference]: Without dead ends: 40901 [2024-10-14 21:17:18,507 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 [2024-10-14 21:17:18,508 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 [2024-10-14 21:17:18,508 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] [2024-10-14 21:17:18,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40901 states. [2024-10-14 21:17:22,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40901 to 40900. [2024-10-14 21:17:22,378 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) [2024-10-14 21:17:22,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40900 states to 40900 states and 50200 transitions. [2024-10-14 21:17:22,493 INFO L78 Accepts]: Start accepts. Automaton has 40900 states and 50200 transitions. Word has length 255 [2024-10-14 21:17:22,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:17:22,494 INFO L471 AbstractCegarLoop]: Abstraction has 40900 states and 50200 transitions. [2024-10-14 21:17:22,494 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) [2024-10-14 21:17:22,494 INFO L276 IsEmpty]: Start isEmpty. Operand 40900 states and 50200 transitions. [2024-10-14 21:17:22,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-10-14 21:17:22,533 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:17:22,534 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] [2024-10-14 21:17:22,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-14 21:17:22,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:17:22,739 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)] === [2024-10-14 21:17:22,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:17:22,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1730188379, now seen corresponding path program 1 times [2024-10-14 21:17:22,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:17:22,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858100663] [2024-10-14 21:17:22,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:22,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:17:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:22,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:22,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:22,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:17:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:22,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:22,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 21:17:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:22,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:17:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:22,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 21:17:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:22,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 21:17:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:22,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 21:17:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:22,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 21:17:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:22,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 21:17:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:22,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:22,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:22,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 21:17:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:22,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 21:17:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:22,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-14 21:17:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:22,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 21:17:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:22,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:22,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:22,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-14 21:17:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:22,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-14 21:17:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:22,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 21:17:22,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:22,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 21:17:22,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:22,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 21:17:22,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:22,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-14 21:17:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:22,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:22,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:22,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-14 21:17:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:22,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-14 21:17:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:22,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-14 21:17:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:22,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-14 21:17:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:22,971 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 40 proven. 14 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-10-14 21:17:22,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:17:22,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858100663] [2024-10-14 21:17:22,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858100663] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:17:22,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2024967609] [2024-10-14 21:17:22,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:22,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:17:22,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:17:22,975 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:17:22,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-14 21:17:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:23,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 712 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 21:17:23,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:17:23,139 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-10-14 21:17:23,139 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 21:17:23,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2024967609] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:17:23,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 21:17:23,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2024-10-14 21:17:23,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50134272] [2024-10-14 21:17:23,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:17:23,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 21:17:23,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:17:23,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 21:17:23,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-14 21:17:23,142 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) [2024-10-14 21:17:26,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:17:26,348 INFO L93 Difference]: Finished difference Result 70103 states and 86813 transitions. [2024-10-14 21:17:26,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 21:17:26,349 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 [2024-10-14 21:17:26,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:17:26,490 INFO L225 Difference]: With dead ends: 70103 [2024-10-14 21:17:26,491 INFO L226 Difference]: Without dead ends: 35688 [2024-10-14 21:17:26,562 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-14 21:17:26,562 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, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 21:17:26,563 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 311 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 21:17:26,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35688 states. [2024-10-14 21:17:29,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35688 to 35496. [2024-10-14 21:17:29,739 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) [2024-10-14 21:17:29,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35496 states to 35496 states and 43082 transitions. [2024-10-14 21:17:29,844 INFO L78 Accepts]: Start accepts. Automaton has 35496 states and 43082 transitions. Word has length 256 [2024-10-14 21:17:29,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 21:17:29,844 INFO L471 AbstractCegarLoop]: Abstraction has 35496 states and 43082 transitions. [2024-10-14 21:17:29,845 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) [2024-10-14 21:17:29,845 INFO L276 IsEmpty]: Start isEmpty. Operand 35496 states and 43082 transitions. [2024-10-14 21:17:29,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-10-14 21:17:29,888 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 21:17:29,888 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] [2024-10-14 21:17:29,906 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-14 21:17:30,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:17:30,089 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)] === [2024-10-14 21:17:30,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 21:17:30,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1740073323, now seen corresponding path program 1 times [2024-10-14 21:17:30,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 21:17:30,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828696364] [2024-10-14 21:17:30,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:30,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 21:17:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 21:17:30,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-14 21:17:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-14 21:17:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-14 21:17:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-14 21:17:30,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 21:17:30,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-14 21:17:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-14 21:17:30,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-14 21:17:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 21:17:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-14 21:17:30,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 21:17:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-10-14 21:17:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-10-14 21:17:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 21:17:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-14 21:17:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-10-14 21:17:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2024-10-14 21:17:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 21:17:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-14 21:17:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-14 21:17:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-10-14 21:17:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-10-14 21:17:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-10-14 21:17:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,296 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 40 proven. 14 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2024-10-14 21:17:30,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 21:17:30,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828696364] [2024-10-14 21:17:30,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828696364] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 21:17:30,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1995793650] [2024-10-14 21:17:30,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 21:17:30,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 21:17:30,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 21:17:30,300 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-14 21:17:30,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-14 21:17:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 21:17:30,424 INFO L255 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-14 21:17:30,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 21:17:30,472 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-10-14 21:17:30,473 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 21:17:30,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1995793650] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 21:17:30,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 21:17:30,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 11 [2024-10-14 21:17:30,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731801539] [2024-10-14 21:17:30,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 21:17:30,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 21:17:30,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 21:17:30,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 21:17:30,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-14 21:17:30,475 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) [2024-10-14 21:17:32,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 21:17:32,637 INFO L93 Difference]: Finished difference Result 57648 states and 69693 transitions. [2024-10-14 21:17:32,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 21:17:32,638 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 [2024-10-14 21:17:32,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 21:17:32,748 INFO L225 Difference]: With dead ends: 57648 [2024-10-14 21:17:32,748 INFO L226 Difference]: Without dead ends: 22161 [2024-10-14 21:17:32,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-10-14 21:17:32,815 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 [2024-10-14 21:17:32,815 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] [2024-10-14 21:17:32,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22161 states.