/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:58:57,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:58:57,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:58:57,533 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:58:57,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:58:57,539 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:58:57,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:58:57,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:58:57,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:58:57,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:58:57,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:58:57,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:58:57,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:58:57,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:58:57,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:58:57,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:58:57,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:58:57,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:58:57,584 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:58:57,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:58:57,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:58:57,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:58:57,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:58:57,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:58:57,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 16:58:57,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 16:58:57,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 16:58:57,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 16:58:57,606 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 16:58:57,607 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 16:58:57,608 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 16:58:57,608 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 16:58:57,609 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 16:58:57,610 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 16:58:57,611 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 16:58:57,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 16:58:57,612 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 16:58:57,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 16:58:57,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:58:57,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:58:57,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:58:57,616 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:58:57,643 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:58:57,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:58:57,644 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:58:57,644 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:58:57,645 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:58:57,645 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:58:57,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:58:57,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:58:57,646 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:58:57,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:58:57,647 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:58:57,647 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:58:57,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:58:57,647 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:58:57,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:58:57,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:58:57,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:58:57,648 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:58:57,648 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:58:57,648 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:58:57,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:58:57,649 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:58:57,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:58:57,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:58:57,649 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:58:57,650 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:58:57,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:58:57,650 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:58:57,650 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:58:57,650 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:58:57,651 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:58:57,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:58:57,651 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:58:57,651 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:58:58,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:58:58,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:58:58,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:58:58,052 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:58:58,053 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:58:58,054 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c [2022-10-16 16:58:58,130 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/792d4d081/8b27ad7b580445f1a7d3831955a71df3/FLAG54d0aea68 [2022-10-16 16:58:58,793 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:58:58,794 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c [2022-10-16 16:58:58,810 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/792d4d081/8b27ad7b580445f1a7d3831955a71df3/FLAG54d0aea68 [2022-10-16 16:58:59,167 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/792d4d081/8b27ad7b580445f1a7d3831955a71df3 [2022-10-16 16:58:59,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:58:59,177 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:58:59,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:58:59,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:58:59,186 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:58:59,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:58:59" (1/1) ... [2022-10-16 16:58:59,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac50c2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:59, skipping insertion in model container [2022-10-16 16:58:59,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:58:59" (1/1) ... [2022-10-16 16:58:59,198 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:58:59,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:58:59,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c[642,655] [2022-10-16 16:58:59,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:58:59,470 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:58:59,487 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/pc_sfifo_1.cil-1.c[642,655] [2022-10-16 16:58:59,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:58:59,559 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:58:59,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:59 WrapperNode [2022-10-16 16:58:59,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:58:59,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:58:59,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:58:59,562 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:58:59,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:59" (1/1) ... [2022-10-16 16:58:59,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:59" (1/1) ... [2022-10-16 16:58:59,611 INFO L138 Inliner]: procedures = 24, calls = 23, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 207 [2022-10-16 16:58:59,612 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:58:59,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:58:59,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:58:59,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:58:59,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:59" (1/1) ... [2022-10-16 16:58:59,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:59" (1/1) ... [2022-10-16 16:58:59,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:59" (1/1) ... [2022-10-16 16:58:59,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:59" (1/1) ... [2022-10-16 16:58:59,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:59" (1/1) ... [2022-10-16 16:58:59,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:59" (1/1) ... [2022-10-16 16:58:59,641 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:59" (1/1) ... [2022-10-16 16:58:59,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:59" (1/1) ... [2022-10-16 16:58:59,645 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:58:59,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:58:59,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:58:59,647 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:58:59,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:59" (1/1) ... [2022-10-16 16:58:59,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:58:59,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:58:59,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:58:59,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:58:59,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:58:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2022-10-16 16:58:59,752 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2022-10-16 16:58:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:58:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-10-16 16:58:59,752 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-10-16 16:58:59,752 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2022-10-16 16:58:59,753 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2022-10-16 16:58:59,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:58:59,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:58:59,834 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:58:59,837 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:59:00,165 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:59:00,176 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:59:00,176 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-16 16:59:00,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:59:00 BoogieIcfgContainer [2022-10-16 16:59:00,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:59:00,214 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:59:00,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:59:00,219 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:59:00,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:58:59" (1/3) ... [2022-10-16 16:59:00,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@798e901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:59:00, skipping insertion in model container [2022-10-16 16:59:00,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:59" (2/3) ... [2022-10-16 16:59:00,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@798e901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:59:00, skipping insertion in model container [2022-10-16 16:59:00,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:59:00" (3/3) ... [2022-10-16 16:59:00,224 INFO L112 eAbstractionObserver]: Analyzing ICFG pc_sfifo_1.cil-1.c [2022-10-16 16:59:00,282 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:59:00,282 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-10-16 16:59:00,419 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:59:00,436 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@4b420a1d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:59:00,436 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-10-16 16:59:00,449 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 67 states have (on average 1.5522388059701493) internal successors, (104), 74 states have internal predecessors, (104), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-10-16 16:59:00,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-16 16:59:00,478 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:00,479 INFO L195 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] [2022-10-16 16:59:00,480 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:00,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:00,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1143540803, now seen corresponding path program 1 times [2022-10-16 16:59:00,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:00,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200027523] [2022-10-16 16:59:00,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:00,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:00,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:00,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:59:00,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:00,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200027523] [2022-10-16 16:59:00,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200027523] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:00,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:00,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:59:00,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729181896] [2022-10-16 16:59:00,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:00,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:59:00,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:00,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:59:00,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:59:00,962 INFO L87 Difference]: Start difference. First operand has 82 states, 67 states have (on average 1.5522388059701493) internal successors, (104), 74 states have internal predecessors, (104), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 16:59:01,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:01,061 INFO L93 Difference]: Finished difference Result 227 states and 333 transitions. [2022-10-16 16:59:01,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:59:01,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-10-16 16:59:01,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:01,084 INFO L225 Difference]: With dead ends: 227 [2022-10-16 16:59:01,084 INFO L226 Difference]: Without dead ends: 135 [2022-10-16 16:59:01,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:59:01,094 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 83 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:01,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 204 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:01,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2022-10-16 16:59:01,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 131. [2022-10-16 16:59:01,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 115 states have (on average 1.382608695652174) internal successors, (159), 118 states have internal predecessors, (159), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-10-16 16:59:01,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 175 transitions. [2022-10-16 16:59:01,172 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 175 transitions. Word has length 23 [2022-10-16 16:59:01,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:01,173 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 175 transitions. [2022-10-16 16:59:01,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 16:59:01,174 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 175 transitions. [2022-10-16 16:59:01,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-16 16:59:01,176 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:01,177 INFO L195 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] [2022-10-16 16:59:01,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:59:01,178 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:01,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:01,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1091547676, now seen corresponding path program 1 times [2022-10-16 16:59:01,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:01,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461736308] [2022-10-16 16:59:01,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:01,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:01,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:01,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:59:01,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:01,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461736308] [2022-10-16 16:59:01,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461736308] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:01,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:01,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:59:01,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124440025] [2022-10-16 16:59:01,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:01,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:59:01,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:01,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:59:01,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:59:01,405 INFO L87 Difference]: Start difference. First operand 131 states and 175 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 16:59:01,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:01,470 INFO L93 Difference]: Finished difference Result 215 states and 285 transitions. [2022-10-16 16:59:01,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:59:01,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-10-16 16:59:01,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:01,475 INFO L225 Difference]: With dead ends: 215 [2022-10-16 16:59:01,475 INFO L226 Difference]: Without dead ends: 213 [2022-10-16 16:59:01,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:59:01,478 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 71 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:01,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 195 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:01,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2022-10-16 16:59:01,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 211. [2022-10-16 16:59:01,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 189 states have (on average 1.3703703703703705) internal successors, (259), 192 states have internal predecessors, (259), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2022-10-16 16:59:01,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 281 transitions. [2022-10-16 16:59:01,518 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 281 transitions. Word has length 24 [2022-10-16 16:59:01,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:01,518 INFO L495 AbstractCegarLoop]: Abstraction has 211 states and 281 transitions. [2022-10-16 16:59:01,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 16:59:01,519 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 281 transitions. [2022-10-16 16:59:01,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-16 16:59:01,520 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:01,521 INFO L195 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] [2022-10-16 16:59:01,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:59:01,521 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:01,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:01,523 INFO L85 PathProgramCache]: Analyzing trace with hash 252784550, now seen corresponding path program 1 times [2022-10-16 16:59:01,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:01,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301742591] [2022-10-16 16:59:01,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:01,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:01,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:01,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:59:01,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:01,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301742591] [2022-10-16 16:59:01,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301742591] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:01,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:01,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:59:01,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520755433] [2022-10-16 16:59:01,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:01,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:59:01,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:01,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:59:01,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:59:01,621 INFO L87 Difference]: Start difference. First operand 211 states and 281 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 16:59:01,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:01,754 INFO L93 Difference]: Finished difference Result 585 states and 788 transitions. [2022-10-16 16:59:01,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:59:01,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-10-16 16:59:01,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:01,768 INFO L225 Difference]: With dead ends: 585 [2022-10-16 16:59:01,768 INFO L226 Difference]: Without dead ends: 380 [2022-10-16 16:59:01,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:59:01,781 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 64 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:01,786 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 207 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:59:01,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2022-10-16 16:59:01,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 354. [2022-10-16 16:59:01,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 316 states have (on average 1.3322784810126582) internal successors, (421), 319 states have internal predecessors, (421), 21 states have call successors, (21), 13 states have call predecessors, (21), 13 states have return successors, (31), 21 states have call predecessors, (31), 21 states have call successors, (31) [2022-10-16 16:59:01,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 473 transitions. [2022-10-16 16:59:01,898 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 473 transitions. Word has length 25 [2022-10-16 16:59:01,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:01,899 INFO L495 AbstractCegarLoop]: Abstraction has 354 states and 473 transitions. [2022-10-16 16:59:01,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 16:59:01,900 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 473 transitions. [2022-10-16 16:59:01,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-16 16:59:01,905 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:01,905 INFO L195 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] [2022-10-16 16:59:01,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:59:01,907 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:01,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:01,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1831345135, now seen corresponding path program 1 times [2022-10-16 16:59:01,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:01,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618881404] [2022-10-16 16:59:01,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:01,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:02,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:02,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:02,020 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:59:02,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:02,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618881404] [2022-10-16 16:59:02,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618881404] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:02,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:02,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:59:02,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706718105] [2022-10-16 16:59:02,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:02,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:59:02,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:02,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:59:02,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:59:02,029 INFO L87 Difference]: Start difference. First operand 354 states and 473 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 16:59:02,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:02,086 INFO L93 Difference]: Finished difference Result 625 states and 833 transitions. [2022-10-16 16:59:02,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:59:02,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-10-16 16:59:02,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:02,091 INFO L225 Difference]: With dead ends: 625 [2022-10-16 16:59:02,091 INFO L226 Difference]: Without dead ends: 277 [2022-10-16 16:59:02,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:59:02,104 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 91 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:02,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 93 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:02,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2022-10-16 16:59:02,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2022-10-16 16:59:02,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 277 states, 246 states have (on average 1.3252032520325203) internal successors, (326), 249 states have internal predecessors, (326), 17 states have call successors, (17), 10 states have call predecessors, (17), 10 states have return successors, (24), 17 states have call predecessors, (24), 17 states have call successors, (24) [2022-10-16 16:59:02,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 367 transitions. [2022-10-16 16:59:02,147 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 367 transitions. Word has length 26 [2022-10-16 16:59:02,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:02,147 INFO L495 AbstractCegarLoop]: Abstraction has 277 states and 367 transitions. [2022-10-16 16:59:02,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 16:59:02,148 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 367 transitions. [2022-10-16 16:59:02,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-16 16:59:02,150 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:02,150 INFO L195 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] [2022-10-16 16:59:02,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:59:02,150 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:02,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:02,151 INFO L85 PathProgramCache]: Analyzing trace with hash 680826198, now seen corresponding path program 1 times [2022-10-16 16:59:02,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:02,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950575038] [2022-10-16 16:59:02,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:02,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:02,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:02,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:02,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:59:02,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:02,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950575038] [2022-10-16 16:59:02,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950575038] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:02,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:02,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-10-16 16:59:02,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736331210] [2022-10-16 16:59:02,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:02,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:59:02,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:02,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:59:02,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:59:02,391 INFO L87 Difference]: Start difference. First operand 277 states and 367 transitions. Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 16:59:02,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:02,597 INFO L93 Difference]: Finished difference Result 580 states and 767 transitions. [2022-10-16 16:59:02,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 16:59:02,598 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-10-16 16:59:02,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:02,601 INFO L225 Difference]: With dead ends: 580 [2022-10-16 16:59:02,601 INFO L226 Difference]: Without dead ends: 309 [2022-10-16 16:59:02,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2022-10-16 16:59:02,604 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 157 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:02,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 854 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:59:02,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2022-10-16 16:59:02,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 218. [2022-10-16 16:59:02,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 193 states have (on average 1.2797927461139897) internal successors, (247), 195 states have internal predecessors, (247), 11 states have call successors, (11), 8 states have call predecessors, (11), 10 states have return successors, (18), 14 states have call predecessors, (18), 11 states have call successors, (18) [2022-10-16 16:59:02,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 276 transitions. [2022-10-16 16:59:02,631 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 276 transitions. Word has length 30 [2022-10-16 16:59:02,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:02,631 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 276 transitions. [2022-10-16 16:59:02,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.5) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-16 16:59:02,632 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 276 transitions. [2022-10-16 16:59:02,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-16 16:59:02,633 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:02,633 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 16:59:02,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:59:02,634 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:02,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:02,635 INFO L85 PathProgramCache]: Analyzing trace with hash 541793040, now seen corresponding path program 1 times [2022-10-16 16:59:02,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:02,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532177519] [2022-10-16 16:59:02,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:02,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:02,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:02,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:02,818 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:59:02,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:02,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532177519] [2022-10-16 16:59:02,820 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532177519] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:02,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:02,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:59:02,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566970150] [2022-10-16 16:59:02,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:02,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:59:02,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:02,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:59:02,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:02,824 INFO L87 Difference]: Start difference. First operand 218 states and 276 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 16:59:02,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:02,986 INFO L93 Difference]: Finished difference Result 454 states and 583 transitions. [2022-10-16 16:59:02,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:59:02,987 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 45 [2022-10-16 16:59:02,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:02,990 INFO L225 Difference]: With dead ends: 454 [2022-10-16 16:59:02,990 INFO L226 Difference]: Without dead ends: 261 [2022-10-16 16:59:02,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:59:02,994 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 89 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:02,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 435 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:59:02,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2022-10-16 16:59:03,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 224. [2022-10-16 16:59:03,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 199 states have (on average 1.2663316582914572) internal successors, (252), 201 states have internal predecessors, (252), 11 states have call successors, (11), 8 states have call predecessors, (11), 10 states have return successors, (18), 14 states have call predecessors, (18), 11 states have call successors, (18) [2022-10-16 16:59:03,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 281 transitions. [2022-10-16 16:59:03,031 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 281 transitions. Word has length 45 [2022-10-16 16:59:03,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:03,033 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 281 transitions. [2022-10-16 16:59:03,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 16:59:03,034 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 281 transitions. [2022-10-16 16:59:03,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-16 16:59:03,037 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:03,038 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 16:59:03,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:59:03,039 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:03,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:03,040 INFO L85 PathProgramCache]: Analyzing trace with hash -469324210, now seen corresponding path program 1 times [2022-10-16 16:59:03,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:03,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890827092] [2022-10-16 16:59:03,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:03,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:03,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:03,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:03,222 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:59:03,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:03,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890827092] [2022-10-16 16:59:03,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890827092] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:03,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:03,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:59:03,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412923660] [2022-10-16 16:59:03,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:03,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:59:03,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:03,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:59:03,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:03,225 INFO L87 Difference]: Start difference. First operand 224 states and 281 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 16:59:03,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:03,419 INFO L93 Difference]: Finished difference Result 465 states and 590 transitions. [2022-10-16 16:59:03,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 16:59:03,420 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 45 [2022-10-16 16:59:03,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:03,422 INFO L225 Difference]: With dead ends: 465 [2022-10-16 16:59:03,423 INFO L226 Difference]: Without dead ends: 266 [2022-10-16 16:59:03,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:59:03,425 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 50 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:03,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 391 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:59:03,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-10-16 16:59:03,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 236. [2022-10-16 16:59:03,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 211 states have (on average 1.2511848341232228) internal successors, (264), 213 states have internal predecessors, (264), 11 states have call successors, (11), 8 states have call predecessors, (11), 10 states have return successors, (18), 14 states have call predecessors, (18), 11 states have call successors, (18) [2022-10-16 16:59:03,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 293 transitions. [2022-10-16 16:59:03,452 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 293 transitions. Word has length 45 [2022-10-16 16:59:03,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:03,452 INFO L495 AbstractCegarLoop]: Abstraction has 236 states and 293 transitions. [2022-10-16 16:59:03,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 16:59:03,453 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 293 transitions. [2022-10-16 16:59:03,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-16 16:59:03,454 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:03,454 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 16:59:03,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:59:03,454 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:03,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:03,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1278670836, now seen corresponding path program 1 times [2022-10-16 16:59:03,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:03,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136256494] [2022-10-16 16:59:03,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:03,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:03,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:03,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:03,515 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:59:03,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:03,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136256494] [2022-10-16 16:59:03,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136256494] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:03,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:03,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:59:03,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412295754] [2022-10-16 16:59:03,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:03,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:59:03,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:03,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:59:03,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:59:03,518 INFO L87 Difference]: Start difference. First operand 236 states and 293 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 16:59:03,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:03,610 INFO L93 Difference]: Finished difference Result 474 states and 590 transitions. [2022-10-16 16:59:03,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:59:03,611 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2022-10-16 16:59:03,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:03,613 INFO L225 Difference]: With dead ends: 474 [2022-10-16 16:59:03,613 INFO L226 Difference]: Without dead ends: 263 [2022-10-16 16:59:03,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:59:03,615 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 128 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:03,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 271 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:59:03,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2022-10-16 16:59:03,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 233. [2022-10-16 16:59:03,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 208 states have (on average 1.2403846153846154) internal successors, (258), 211 states have internal predecessors, (258), 11 states have call successors, (11), 8 states have call predecessors, (11), 10 states have return successors, (18), 13 states have call predecessors, (18), 11 states have call successors, (18) [2022-10-16 16:59:03,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 287 transitions. [2022-10-16 16:59:03,642 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 287 transitions. Word has length 45 [2022-10-16 16:59:03,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:03,643 INFO L495 AbstractCegarLoop]: Abstraction has 233 states and 287 transitions. [2022-10-16 16:59:03,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 16:59:03,643 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 287 transitions. [2022-10-16 16:59:03,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 16:59:03,644 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:03,644 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:03,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:59:03,645 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:03,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:03,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1502408322, now seen corresponding path program 1 times [2022-10-16 16:59:03,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:03,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145234258] [2022-10-16 16:59:03,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:03,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:03,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:03,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:03,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 16:59:03,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:03,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145234258] [2022-10-16 16:59:03,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145234258] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:03,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:03,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:59:03,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286349517] [2022-10-16 16:59:03,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:03,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:59:03,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:03,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:59:03,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:59:03,725 INFO L87 Difference]: Start difference. First operand 233 states and 287 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 16:59:03,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:03,850 INFO L93 Difference]: Finished difference Result 368 states and 454 transitions. [2022-10-16 16:59:03,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:59:03,851 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 51 [2022-10-16 16:59:03,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:03,855 INFO L225 Difference]: With dead ends: 368 [2022-10-16 16:59:03,855 INFO L226 Difference]: Without dead ends: 366 [2022-10-16 16:59:03,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:59:03,858 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 113 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:03,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 248 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:59:03,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2022-10-16 16:59:03,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 334. [2022-10-16 16:59:03,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 299 states have (on average 1.2474916387959867) internal successors, (373), 303 states have internal predecessors, (373), 17 states have call successors, (17), 12 states have call predecessors, (17), 14 states have return successors, (26), 18 states have call predecessors, (26), 17 states have call successors, (26) [2022-10-16 16:59:03,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 416 transitions. [2022-10-16 16:59:03,901 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 416 transitions. Word has length 51 [2022-10-16 16:59:03,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:03,901 INFO L495 AbstractCegarLoop]: Abstraction has 334 states and 416 transitions. [2022-10-16 16:59:03,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 16:59:03,902 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 416 transitions. [2022-10-16 16:59:03,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 16:59:03,902 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:03,903 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 16:59:03,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:59:03,903 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:03,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:03,904 INFO L85 PathProgramCache]: Analyzing trace with hash -964516422, now seen corresponding path program 1 times [2022-10-16 16:59:03,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:03,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852678451] [2022-10-16 16:59:03,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:03,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:03,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:03,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:03,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 16:59:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:03,997 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 16:59:03,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:03,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852678451] [2022-10-16 16:59:03,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852678451] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:03,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:03,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:59:03,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727838290] [2022-10-16 16:59:03,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:03,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:59:03,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:04,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:59:04,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:59:04,026 INFO L87 Difference]: Start difference. First operand 334 states and 416 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 16:59:04,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:04,181 INFO L93 Difference]: Finished difference Result 930 states and 1169 transitions. [2022-10-16 16:59:04,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:59:04,181 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 60 [2022-10-16 16:59:04,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:04,186 INFO L225 Difference]: With dead ends: 930 [2022-10-16 16:59:04,186 INFO L226 Difference]: Without dead ends: 640 [2022-10-16 16:59:04,187 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:59:04,187 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 133 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:04,188 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 277 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:59:04,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2022-10-16 16:59:04,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 576. [2022-10-16 16:59:04,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 513 states have (on average 1.2319688109161793) internal successors, (632), 522 states have internal predecessors, (632), 31 states have call successors, (31), 22 states have call predecessors, (31), 28 states have return successors, (53), 31 states have call predecessors, (53), 31 states have call successors, (53) [2022-10-16 16:59:04,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 716 transitions. [2022-10-16 16:59:04,262 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 716 transitions. Word has length 60 [2022-10-16 16:59:04,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:04,262 INFO L495 AbstractCegarLoop]: Abstraction has 576 states and 716 transitions. [2022-10-16 16:59:04,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 16:59:04,263 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 716 transitions. [2022-10-16 16:59:04,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 16:59:04,264 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:04,264 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 16:59:04,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:59:04,265 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:04,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:04,265 INFO L85 PathProgramCache]: Analyzing trace with hash -923841672, now seen corresponding path program 1 times [2022-10-16 16:59:04,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:04,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161153251] [2022-10-16 16:59:04,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:04,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:04,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:04,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:04,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 16:59:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:04,313 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-10-16 16:59:04,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:04,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161153251] [2022-10-16 16:59:04,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161153251] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:04,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:04,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:59:04,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965132479] [2022-10-16 16:59:04,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:04,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:59:04,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:04,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:59:04,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:59:04,316 INFO L87 Difference]: Start difference. First operand 576 states and 716 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 16:59:04,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:04,420 INFO L93 Difference]: Finished difference Result 1034 states and 1292 transitions. [2022-10-16 16:59:04,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:59:04,421 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 60 [2022-10-16 16:59:04,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:04,424 INFO L225 Difference]: With dead ends: 1034 [2022-10-16 16:59:04,425 INFO L226 Difference]: Without dead ends: 502 [2022-10-16 16:59:04,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:59:04,427 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 124 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:04,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 146 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:04,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2022-10-16 16:59:04,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 460. [2022-10-16 16:59:04,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 411 states have (on average 1.2360097323600974) internal successors, (508), 417 states have internal predecessors, (508), 24 states have call successors, (24), 17 states have call predecessors, (24), 21 states have return successors, (40), 25 states have call predecessors, (40), 24 states have call successors, (40) [2022-10-16 16:59:04,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 572 transitions. [2022-10-16 16:59:04,522 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 572 transitions. Word has length 60 [2022-10-16 16:59:04,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:04,522 INFO L495 AbstractCegarLoop]: Abstraction has 460 states and 572 transitions. [2022-10-16 16:59:04,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 16:59:04,522 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 572 transitions. [2022-10-16 16:59:04,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 16:59:04,523 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:04,524 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 16:59:04,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:59:04,524 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:04,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:04,524 INFO L85 PathProgramCache]: Analyzing trace with hash 621745086, now seen corresponding path program 1 times [2022-10-16 16:59:04,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:04,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950539437] [2022-10-16 16:59:04,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:04,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:04,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:04,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:04,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 16:59:04,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:04,599 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 16:59:04,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:04,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950539437] [2022-10-16 16:59:04,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950539437] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:04,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:04,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:59:04,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148337107] [2022-10-16 16:59:04,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:04,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:59:04,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:04,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:59:04,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:59:04,602 INFO L87 Difference]: Start difference. First operand 460 states and 572 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 16:59:04,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:04,730 INFO L93 Difference]: Finished difference Result 740 states and 926 transitions. [2022-10-16 16:59:04,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:59:04,730 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 61 [2022-10-16 16:59:04,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:04,733 INFO L225 Difference]: With dead ends: 740 [2022-10-16 16:59:04,733 INFO L226 Difference]: Without dead ends: 324 [2022-10-16 16:59:04,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:59:04,735 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 128 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:04,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 348 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:59:04,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2022-10-16 16:59:04,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 300. [2022-10-16 16:59:04,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 267 states have (on average 1.1910112359550562) internal successors, (318), 271 states have internal predecessors, (318), 15 states have call successors, (15), 11 states have call predecessors, (15), 14 states have return successors, (22), 17 states have call predecessors, (22), 15 states have call successors, (22) [2022-10-16 16:59:04,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 355 transitions. [2022-10-16 16:59:04,776 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 355 transitions. Word has length 61 [2022-10-16 16:59:04,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:04,777 INFO L495 AbstractCegarLoop]: Abstraction has 300 states and 355 transitions. [2022-10-16 16:59:04,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 16:59:04,777 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 355 transitions. [2022-10-16 16:59:04,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:59:04,778 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:04,778 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:04,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:59:04,779 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:04,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:04,779 INFO L85 PathProgramCache]: Analyzing trace with hash 316012804, now seen corresponding path program 1 times [2022-10-16 16:59:04,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:04,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445547814] [2022-10-16 16:59:04,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:04,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:04,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:04,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:04,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 16:59:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:04,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 16:59:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:04,887 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-16 16:59:04,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:04,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445547814] [2022-10-16 16:59:04,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445547814] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:04,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399128171] [2022-10-16 16:59:04,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:04,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:04,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:04,890 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) [2022-10-16 16:59:04,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 16:59:04,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:04,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 16:59:04,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:05,165 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 16:59:05,165 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 16:59:05,276 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-16 16:59:05,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399128171] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 16:59:05,276 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 16:59:05,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2022-10-16 16:59:05,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254055663] [2022-10-16 16:59:05,277 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 16:59:05,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:59:05,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:05,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:59:05,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:59:05,279 INFO L87 Difference]: Start difference. First operand 300 states and 355 transitions. Second operand has 8 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 5 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2022-10-16 16:59:05,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:05,666 INFO L93 Difference]: Finished difference Result 904 states and 1087 transitions. [2022-10-16 16:59:05,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:59:05,666 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 5 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) Word has length 88 [2022-10-16 16:59:05,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:05,672 INFO L225 Difference]: With dead ends: 904 [2022-10-16 16:59:05,672 INFO L226 Difference]: Without dead ends: 903 [2022-10-16 16:59:05,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:59:05,674 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 457 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:05,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 540 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:59:05,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2022-10-16 16:59:05,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 851. [2022-10-16 16:59:05,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 851 states, 764 states have (on average 1.2015706806282722) internal successors, (918), 769 states have internal predecessors, (918), 42 states have call successors, (42), 31 states have call predecessors, (42), 41 states have return successors, (66), 50 states have call predecessors, (66), 42 states have call successors, (66) [2022-10-16 16:59:05,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 851 states and 1026 transitions. [2022-10-16 16:59:05,786 INFO L78 Accepts]: Start accepts. Automaton has 851 states and 1026 transitions. Word has length 88 [2022-10-16 16:59:05,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:05,787 INFO L495 AbstractCegarLoop]: Abstraction has 851 states and 1026 transitions. [2022-10-16 16:59:05,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 21.714285714285715) internal successors, (152), 7 states have internal predecessors, (152), 5 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2022-10-16 16:59:05,787 INFO L276 IsEmpty]: Start isEmpty. Operand 851 states and 1026 transitions. [2022-10-16 16:59:05,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 16:59:05,788 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:05,788 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:05,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 16:59:06,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-10-16 16:59:06,003 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:06,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:06,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1206462508, now seen corresponding path program 1 times [2022-10-16 16:59:06,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:06,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115427269] [2022-10-16 16:59:06,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:06,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:06,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:06,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:06,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 16:59:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:06,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 16:59:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:06,111 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-10-16 16:59:06,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:06,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115427269] [2022-10-16 16:59:06,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115427269] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:06,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395249960] [2022-10-16 16:59:06,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:06,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:06,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:06,113 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) [2022-10-16 16:59:06,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 16:59:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:06,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 16:59:06,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:06,321 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 16:59:06,321 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:59:06,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395249960] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:06,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:59:06,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-10-16 16:59:06,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241528072] [2022-10-16 16:59:06,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:06,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:59:06,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:06,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:59:06,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:06,324 INFO L87 Difference]: Start difference. First operand 851 states and 1026 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 16:59:06,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:06,442 INFO L93 Difference]: Finished difference Result 851 states and 1026 transitions. [2022-10-16 16:59:06,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:59:06,447 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 89 [2022-10-16 16:59:06,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:06,452 INFO L225 Difference]: With dead ends: 851 [2022-10-16 16:59:06,452 INFO L226 Difference]: Without dead ends: 850 [2022-10-16 16:59:06,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:06,454 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 67 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:06,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 124 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:06,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2022-10-16 16:59:06,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 850. [2022-10-16 16:59:06,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 850 states, 764 states have (on average 1.193717277486911) internal successors, (912), 768 states have internal predecessors, (912), 42 states have call successors, (42), 31 states have call predecessors, (42), 41 states have return successors, (66), 50 states have call predecessors, (66), 42 states have call successors, (66) [2022-10-16 16:59:06,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1020 transitions. [2022-10-16 16:59:06,557 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1020 transitions. Word has length 89 [2022-10-16 16:59:06,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:06,557 INFO L495 AbstractCegarLoop]: Abstraction has 850 states and 1020 transitions. [2022-10-16 16:59:06,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 16:59:06,558 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1020 transitions. [2022-10-16 16:59:06,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 16:59:06,559 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:06,559 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:06,599 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 16:59:06,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-10-16 16:59:06,773 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:06,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:06,774 INFO L85 PathProgramCache]: Analyzing trace with hash -784174507, now seen corresponding path program 1 times [2022-10-16 16:59:06,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:06,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005579205] [2022-10-16 16:59:06,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:06,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:06,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:06,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:06,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 16:59:06,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:06,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 16:59:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:06,887 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:59:06,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:06,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005579205] [2022-10-16 16:59:06,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005579205] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:06,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:06,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:59:06,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545714484] [2022-10-16 16:59:06,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:06,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:59:06,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:06,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:59:06,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:06,890 INFO L87 Difference]: Start difference. First operand 850 states and 1020 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 16:59:07,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:07,100 INFO L93 Difference]: Finished difference Result 1674 states and 2024 transitions. [2022-10-16 16:59:07,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:59:07,101 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 91 [2022-10-16 16:59:07,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:07,106 INFO L225 Difference]: With dead ends: 1674 [2022-10-16 16:59:07,106 INFO L226 Difference]: Without dead ends: 902 [2022-10-16 16:59:07,108 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-10-16 16:59:07,109 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 62 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:07,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 400 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:07,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2022-10-16 16:59:07,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 850. [2022-10-16 16:59:07,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 850 states, 764 states have (on average 1.1845549738219896) internal successors, (905), 768 states have internal predecessors, (905), 42 states have call successors, (42), 31 states have call predecessors, (42), 41 states have return successors, (66), 50 states have call predecessors, (66), 42 states have call successors, (66) [2022-10-16 16:59:07,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1013 transitions. [2022-10-16 16:59:07,225 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1013 transitions. Word has length 91 [2022-10-16 16:59:07,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:07,226 INFO L495 AbstractCegarLoop]: Abstraction has 850 states and 1013 transitions. [2022-10-16 16:59:07,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-10-16 16:59:07,226 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1013 transitions. [2022-10-16 16:59:07,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 16:59:07,227 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:07,228 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:07,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:59:07,228 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:07,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:07,229 INFO L85 PathProgramCache]: Analyzing trace with hash 341085462, now seen corresponding path program 1 times [2022-10-16 16:59:07,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:07,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812124756] [2022-10-16 16:59:07,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:07,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:07,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:07,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:07,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:07,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 16:59:07,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:07,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 16:59:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:07,298 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:59:07,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:07,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812124756] [2022-10-16 16:59:07,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812124756] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:07,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:07,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:59:07,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492282121] [2022-10-16 16:59:07,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:07,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:59:07,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:07,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:59:07,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:59:07,300 INFO L87 Difference]: Start difference. First operand 850 states and 1013 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-16 16:59:07,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:07,470 INFO L93 Difference]: Finished difference Result 1578 states and 1904 transitions. [2022-10-16 16:59:07,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:59:07,471 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 91 [2022-10-16 16:59:07,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:07,476 INFO L225 Difference]: With dead ends: 1578 [2022-10-16 16:59:07,476 INFO L226 Difference]: Without dead ends: 806 [2022-10-16 16:59:07,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:59:07,479 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 145 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:07,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 302 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:59:07,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2022-10-16 16:59:07,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 760. [2022-10-16 16:59:07,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 760 states, 683 states have (on average 1.1698389458272327) internal successors, (799), 681 states have internal predecessors, (799), 39 states have call successors, (39), 28 states have call predecessors, (39), 35 states have return successors, (60), 50 states have call predecessors, (60), 39 states have call successors, (60) [2022-10-16 16:59:07,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 898 transitions. [2022-10-16 16:59:07,575 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 898 transitions. Word has length 91 [2022-10-16 16:59:07,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:07,576 INFO L495 AbstractCegarLoop]: Abstraction has 760 states and 898 transitions. [2022-10-16 16:59:07,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-16 16:59:07,576 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 898 transitions. [2022-10-16 16:59:07,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 16:59:07,577 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:07,577 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:07,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:59:07,578 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:07,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:07,578 INFO L85 PathProgramCache]: Analyzing trace with hash 872372785, now seen corresponding path program 1 times [2022-10-16 16:59:07,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:07,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26571066] [2022-10-16 16:59:07,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:07,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:07,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:07,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:07,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:07,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 16:59:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:07,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-10-16 16:59:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:07,641 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:59:07,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:07,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26571066] [2022-10-16 16:59:07,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26571066] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:07,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:07,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:59:07,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770927336] [2022-10-16 16:59:07,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:07,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:59:07,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:07,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:59:07,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:59:07,644 INFO L87 Difference]: Start difference. First operand 760 states and 898 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-16 16:59:07,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:07,758 INFO L93 Difference]: Finished difference Result 1171 states and 1390 transitions. [2022-10-16 16:59:07,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:59:07,758 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 92 [2022-10-16 16:59:07,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:07,761 INFO L225 Difference]: With dead ends: 1171 [2022-10-16 16:59:07,762 INFO L226 Difference]: Without dead ends: 489 [2022-10-16 16:59:07,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:59:07,764 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 118 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:07,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 241 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:07,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2022-10-16 16:59:07,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 487. [2022-10-16 16:59:07,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 434 states have (on average 1.1451612903225807) internal successors, (497), 436 states have internal predecessors, (497), 27 states have call successors, (27), 20 states have call predecessors, (27), 23 states have return successors, (36), 30 states have call predecessors, (36), 27 states have call successors, (36) [2022-10-16 16:59:07,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 560 transitions. [2022-10-16 16:59:07,827 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 560 transitions. Word has length 92 [2022-10-16 16:59:07,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:07,827 INFO L495 AbstractCegarLoop]: Abstraction has 487 states and 560 transitions. [2022-10-16 16:59:07,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-10-16 16:59:07,828 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 560 transitions. [2022-10-16 16:59:07,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 16:59:07,829 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:07,829 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:07,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:59:07,830 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:07,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:07,830 INFO L85 PathProgramCache]: Analyzing trace with hash 930799089, now seen corresponding path program 1 times [2022-10-16 16:59:07,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:07,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087970172] [2022-10-16 16:59:07,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:07,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:07,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:07,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:07,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 16:59:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:07,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 16:59:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:07,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 16:59:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:07,913 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-10-16 16:59:07,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:07,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087970172] [2022-10-16 16:59:07,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087970172] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:07,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:07,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:59:07,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781590275] [2022-10-16 16:59:07,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:07,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:59:07,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:07,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:59:07,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:59:07,915 INFO L87 Difference]: Start difference. First operand 487 states and 560 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 16:59:08,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:08,085 INFO L93 Difference]: Finished difference Result 925 states and 1073 transitions. [2022-10-16 16:59:08,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:59:08,086 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 116 [2022-10-16 16:59:08,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:08,089 INFO L225 Difference]: With dead ends: 925 [2022-10-16 16:59:08,089 INFO L226 Difference]: Without dead ends: 472 [2022-10-16 16:59:08,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:59:08,091 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 183 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:08,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 341 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:59:08,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2022-10-16 16:59:08,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 472. [2022-10-16 16:59:08,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 419 states have (on average 1.1050119331742243) internal successors, (463), 421 states have internal predecessors, (463), 27 states have call successors, (27), 20 states have call predecessors, (27), 23 states have return successors, (36), 30 states have call predecessors, (36), 27 states have call successors, (36) [2022-10-16 16:59:08,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 526 transitions. [2022-10-16 16:59:08,168 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 526 transitions. Word has length 116 [2022-10-16 16:59:08,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:08,168 INFO L495 AbstractCegarLoop]: Abstraction has 472 states and 526 transitions. [2022-10-16 16:59:08,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 16:59:08,169 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 526 transitions. [2022-10-16 16:59:08,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 16:59:08,170 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:08,171 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-10-16 16:59:08,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:59:08,171 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:08,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:08,172 INFO L85 PathProgramCache]: Analyzing trace with hash 803082047, now seen corresponding path program 1 times [2022-10-16 16:59:08,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:08,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083774584] [2022-10-16 16:59:08,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:08,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:08,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:08,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:08,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 16:59:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:08,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 16:59:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:08,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 16:59:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:08,282 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-10-16 16:59:08,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:08,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083774584] [2022-10-16 16:59:08,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083774584] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:08,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120471781] [2022-10-16 16:59:08,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:08,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:08,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:08,285 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) [2022-10-16 16:59:08,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 16:59:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:08,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 16:59:08,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:08,511 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 16:59:08,511 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 16:59:08,623 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-10-16 16:59:08,624 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120471781] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 16:59:08,624 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 16:59:08,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2022-10-16 16:59:08,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759978234] [2022-10-16 16:59:08,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 16:59:08,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:59:08,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:08,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:59:08,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:59:08,628 INFO L87 Difference]: Start difference. First operand 472 states and 526 transitions. Second operand has 8 states, 7 states have (on average 29.571428571428573) internal successors, (207), 7 states have internal predecessors, (207), 5 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2022-10-16 16:59:08,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:08,864 INFO L93 Difference]: Finished difference Result 552 states and 619 transitions. [2022-10-16 16:59:08,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:59:08,864 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 29.571428571428573) internal successors, (207), 7 states have internal predecessors, (207), 5 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 116 [2022-10-16 16:59:08,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:08,868 INFO L225 Difference]: With dead ends: 552 [2022-10-16 16:59:08,868 INFO L226 Difference]: Without dead ends: 551 [2022-10-16 16:59:08,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:59:08,869 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 480 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:08,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 433 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:59:08,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2022-10-16 16:59:08,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 551. [2022-10-16 16:59:08,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 489 states have (on average 1.1042944785276074) internal successors, (540), 491 states have internal predecessors, (540), 32 states have call successors, (32), 23 states have call predecessors, (32), 27 states have return successors, (44), 36 states have call predecessors, (44), 32 states have call successors, (44) [2022-10-16 16:59:08,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 616 transitions. [2022-10-16 16:59:08,951 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 616 transitions. Word has length 116 [2022-10-16 16:59:08,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:08,951 INFO L495 AbstractCegarLoop]: Abstraction has 551 states and 616 transitions. [2022-10-16 16:59:08,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 29.571428571428573) internal successors, (207), 7 states have internal predecessors, (207), 5 states have call successors, (15), 4 states have call predecessors, (15), 3 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2022-10-16 16:59:08,952 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 616 transitions. [2022-10-16 16:59:08,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-16 16:59:08,953 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:08,953 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-10-16 16:59:08,990 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 16:59:09,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:09,169 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:09,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:09,170 INFO L85 PathProgramCache]: Analyzing trace with hash -874260090, now seen corresponding path program 1 times [2022-10-16 16:59:09,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:09,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625685019] [2022-10-16 16:59:09,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:09,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:09,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:09,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:09,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:09,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 16:59:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:09,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 16:59:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:09,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 16:59:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:09,291 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-10-16 16:59:09,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:09,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625685019] [2022-10-16 16:59:09,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625685019] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:09,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113909856] [2022-10-16 16:59:09,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:09,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:09,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:09,293 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) [2022-10-16 16:59:09,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 16:59:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:09,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 16:59:09,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:09,519 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 16:59:09,519 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:59:09,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113909856] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:09,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:59:09,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-10-16 16:59:09,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135907108] [2022-10-16 16:59:09,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:09,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:59:09,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:09,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:59:09,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:09,521 INFO L87 Difference]: Start difference. First operand 551 states and 616 transitions. Second operand has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 16:59:09,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:09,606 INFO L93 Difference]: Finished difference Result 551 states and 616 transitions. [2022-10-16 16:59:09,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:59:09,606 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 117 [2022-10-16 16:59:09,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:09,610 INFO L225 Difference]: With dead ends: 551 [2022-10-16 16:59:09,610 INFO L226 Difference]: Without dead ends: 550 [2022-10-16 16:59:09,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:09,611 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 53 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:09,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 196 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:09,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2022-10-16 16:59:09,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 550. [2022-10-16 16:59:09,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 489 states have (on average 1.098159509202454) internal successors, (537), 490 states have internal predecessors, (537), 32 states have call successors, (32), 23 states have call predecessors, (32), 27 states have return successors, (44), 36 states have call predecessors, (44), 32 states have call successors, (44) [2022-10-16 16:59:09,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 613 transitions. [2022-10-16 16:59:09,683 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 613 transitions. Word has length 117 [2022-10-16 16:59:09,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:09,683 INFO L495 AbstractCegarLoop]: Abstraction has 550 states and 613 transitions. [2022-10-16 16:59:09,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 32.666666666666664) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 16:59:09,684 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 613 transitions. [2022-10-16 16:59:09,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-10-16 16:59:09,688 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:09,689 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:09,725 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 16:59:09,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:09,904 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:09,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:09,905 INFO L85 PathProgramCache]: Analyzing trace with hash 95244742, now seen corresponding path program 1 times [2022-10-16 16:59:09,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:09,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187450291] [2022-10-16 16:59:09,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:09,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:10,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:10,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:10,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 16:59:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:10,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 16:59:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:10,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 16:59:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:10,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-16 16:59:10,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:10,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-16 16:59:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:10,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-10-16 16:59:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:10,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-10-16 16:59:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:10,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-10-16 16:59:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:10,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-10-16 16:59:10,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:10,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-10-16 16:59:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:10,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-10-16 16:59:10,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:10,209 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 181 proven. 20 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked. [2022-10-16 16:59:10,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:10,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187450291] [2022-10-16 16:59:10,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [187450291] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:10,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047078466] [2022-10-16 16:59:10,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:10,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:10,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:10,212 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) [2022-10-16 16:59:10,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 16:59:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:10,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 839 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 16:59:10,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:10,440 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 418 proven. 0 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2022-10-16 16:59:10,440 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:59:10,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047078466] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:10,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:59:10,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-10-16 16:59:10,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434091035] [2022-10-16 16:59:10,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:10,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:59:10,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:10,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:59:10,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:59:10,443 INFO L87 Difference]: Start difference. First operand 550 states and 613 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2022-10-16 16:59:10,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:10,565 INFO L93 Difference]: Finished difference Result 888 states and 994 transitions. [2022-10-16 16:59:10,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:59:10,566 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) Word has length 283 [2022-10-16 16:59:10,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:10,570 INFO L225 Difference]: With dead ends: 888 [2022-10-16 16:59:10,571 INFO L226 Difference]: Without dead ends: 541 [2022-10-16 16:59:10,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:59:10,573 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 58 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:10,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 120 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:10,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2022-10-16 16:59:10,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 541. [2022-10-16 16:59:10,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 480 states have (on average 1.0875) internal successors, (522), 481 states have internal predecessors, (522), 32 states have call successors, (32), 23 states have call predecessors, (32), 27 states have return successors, (44), 36 states have call predecessors, (44), 32 states have call successors, (44) [2022-10-16 16:59:10,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 598 transitions. [2022-10-16 16:59:10,694 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 598 transitions. Word has length 283 [2022-10-16 16:59:10,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:10,695 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 598 transitions. [2022-10-16 16:59:10,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2022-10-16 16:59:10,696 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 598 transitions. [2022-10-16 16:59:10,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-10-16 16:59:10,706 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:10,706 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:10,752 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 16:59:10,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:10,919 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:10,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:10,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1904687803, now seen corresponding path program 1 times [2022-10-16 16:59:10,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:10,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292794028] [2022-10-16 16:59:10,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:10,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:10,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:11,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:11,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:11,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:11,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 16:59:11,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:11,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 16:59:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:11,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 16:59:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:11,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-16 16:59:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:11,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 16:59:11,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:11,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-10-16 16:59:11,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:11,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-16 16:59:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:11,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-10-16 16:59:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:11,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-10-16 16:59:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:11,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-16 16:59:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:11,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-10-16 16:59:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:11,304 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 0 proven. 230 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2022-10-16 16:59:11,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:11,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292794028] [2022-10-16 16:59:11,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292794028] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:11,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732970962] [2022-10-16 16:59:11,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:11,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:11,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:11,306 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) [2022-10-16 16:59:11,331 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 16:59:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:11,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 16:59:11,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:11,885 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 0 proven. 613 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-10-16 16:59:11,885 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 16:59:12,159 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 0 proven. 230 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2022-10-16 16:59:12,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1732970962] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 16:59:12,159 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 16:59:12,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 13 [2022-10-16 16:59:12,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294315408] [2022-10-16 16:59:12,160 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 16:59:12,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 16:59:12,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:12,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 16:59:12,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2022-10-16 16:59:12,164 INFO L87 Difference]: Start difference. First operand 541 states and 598 transitions. Second operand has 14 states, 13 states have (on average 30.307692307692307) internal successors, (394), 13 states have internal predecessors, (394), 11 states have call successors, (39), 7 states have call predecessors, (39), 6 states have return successors, (39), 11 states have call predecessors, (39), 11 states have call successors, (39) [2022-10-16 16:59:12,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:12,818 INFO L93 Difference]: Finished difference Result 1170 states and 1297 transitions. [2022-10-16 16:59:12,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 16:59:12,820 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 30.307692307692307) internal successors, (394), 13 states have internal predecessors, (394), 11 states have call successors, (39), 7 states have call predecessors, (39), 6 states have return successors, (39), 11 states have call predecessors, (39), 11 states have call successors, (39) Word has length 286 [2022-10-16 16:59:12,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:12,829 INFO L225 Difference]: With dead ends: 1170 [2022-10-16 16:59:12,829 INFO L226 Difference]: Without dead ends: 1169 [2022-10-16 16:59:12,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 621 GetRequests, 599 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=211, Invalid=341, Unknown=0, NotChecked=0, Total=552 [2022-10-16 16:59:12,833 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 966 mSDsluCounter, 667 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 975 SdHoareTripleChecker+Valid, 796 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:12,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [975 Valid, 796 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:59:12,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2022-10-16 16:59:13,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1164. [2022-10-16 16:59:13,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1164 states, 1034 states have (on average 1.0889748549323017) internal successors, (1126), 1035 states have internal predecessors, (1126), 69 states have call successors, (69), 50 states have call predecessors, (69), 59 states have return successors, (96), 78 states have call predecessors, (96), 69 states have call successors, (96) [2022-10-16 16:59:13,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 1291 transitions. [2022-10-16 16:59:13,016 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 1291 transitions. Word has length 286 [2022-10-16 16:59:13,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:13,017 INFO L495 AbstractCegarLoop]: Abstraction has 1164 states and 1291 transitions. [2022-10-16 16:59:13,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 30.307692307692307) internal successors, (394), 13 states have internal predecessors, (394), 11 states have call successors, (39), 7 states have call predecessors, (39), 6 states have return successors, (39), 11 states have call predecessors, (39), 11 states have call successors, (39) [2022-10-16 16:59:13,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1291 transitions. [2022-10-16 16:59:13,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2022-10-16 16:59:13,025 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:13,025 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 8, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:13,068 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 16:59:13,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:13,240 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:13,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:13,241 INFO L85 PathProgramCache]: Analyzing trace with hash -337649664, now seen corresponding path program 1 times [2022-10-16 16:59:13,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:13,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861665195] [2022-10-16 16:59:13,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:13,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:13,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:13,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:13,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 16:59:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:13,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 16:59:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:13,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 16:59:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:13,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-16 16:59:13,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:13,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 16:59:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:13,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-10-16 16:59:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:13,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-16 16:59:13,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:13,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-10-16 16:59:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:13,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-10-16 16:59:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:13,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-16 16:59:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:13,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-10-16 16:59:13,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:13,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-10-16 16:59:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:13,566 INFO L134 CoverageAnalysis]: Checked inductivity of 835 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 733 trivial. 0 not checked. [2022-10-16 16:59:13,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:13,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861665195] [2022-10-16 16:59:13,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861665195] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:13,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:13,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:59:13,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549545864] [2022-10-16 16:59:13,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:13,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:59:13,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:13,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:59:13,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:59:13,572 INFO L87 Difference]: Start difference. First operand 1164 states and 1291 transitions. Second operand has 5 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-10-16 16:59:13,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:13,824 INFO L93 Difference]: Finished difference Result 1164 states and 1291 transitions. [2022-10-16 16:59:13,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:59:13,824 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 314 [2022-10-16 16:59:13,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:13,832 INFO L225 Difference]: With dead ends: 1164 [2022-10-16 16:59:13,832 INFO L226 Difference]: Without dead ends: 1163 [2022-10-16 16:59:13,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:59:13,834 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 158 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:13,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 179 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:59:13,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2022-10-16 16:59:14,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 1163. [2022-10-16 16:59:14,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1163 states, 1034 states have (on average 1.0831721470019342) internal successors, (1120), 1034 states have internal predecessors, (1120), 69 states have call successors, (69), 50 states have call predecessors, (69), 59 states have return successors, (96), 78 states have call predecessors, (96), 69 states have call successors, (96) [2022-10-16 16:59:14,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 1285 transitions. [2022-10-16 16:59:14,035 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 1285 transitions. Word has length 314 [2022-10-16 16:59:14,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:14,036 INFO L495 AbstractCegarLoop]: Abstraction has 1163 states and 1285 transitions. [2022-10-16 16:59:14,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 3 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-10-16 16:59:14,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1285 transitions. [2022-10-16 16:59:14,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 683 [2022-10-16 16:59:14,061 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:14,062 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 20, 20, 20, 20, 19, 18, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:14,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:59:14,062 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:14,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:14,063 INFO L85 PathProgramCache]: Analyzing trace with hash 979388295, now seen corresponding path program 2 times [2022-10-16 16:59:14,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:14,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361300739] [2022-10-16 16:59:14,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:14,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:15,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 16:59:15,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 16:59:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 16:59:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-16 16:59:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 16:59:15,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-10-16 16:59:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-16 16:59:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-10-16 16:59:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-10-16 16:59:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-16 16:59:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-10-16 16:59:15,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-10-16 16:59:15,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-10-16 16:59:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-10-16 16:59:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-10-16 16:59:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-10-16 16:59:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-10-16 16:59:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-10-16 16:59:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-10-16 16:59:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2022-10-16 16:59:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-10-16 16:59:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-10-16 16:59:15,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-10-16 16:59:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2022-10-16 16:59:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2022-10-16 16:59:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2022-10-16 16:59:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2022-10-16 16:59:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2022-10-16 16:59:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2022-10-16 16:59:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4486 backedges. 0 proven. 1505 refuted. 0 times theorem prover too weak. 2981 trivial. 0 not checked. [2022-10-16 16:59:15,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:15,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361300739] [2022-10-16 16:59:15,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361300739] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:15,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730088146] [2022-10-16 16:59:15,225 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 16:59:15,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:15,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:15,226 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) [2022-10-16 16:59:15,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 16:59:15,553 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 16:59:15,553 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 16:59:15,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 1907 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 16:59:15,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:16,324 INFO L134 CoverageAnalysis]: Checked inductivity of 4486 backedges. 0 proven. 4345 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-10-16 16:59:16,325 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 16:59:17,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4486 backedges. 0 proven. 1505 refuted. 0 times theorem prover too weak. 2981 trivial. 0 not checked. [2022-10-16 16:59:17,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730088146] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 16:59:17,001 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 16:59:17,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 25 [2022-10-16 16:59:17,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459423831] [2022-10-16 16:59:17,002 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 16:59:17,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-10-16 16:59:17,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:17,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-10-16 16:59:17,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=348, Unknown=0, NotChecked=0, Total=650 [2022-10-16 16:59:17,006 INFO L87 Difference]: Start difference. First operand 1163 states and 1285 transitions. Second operand has 26 states, 25 states have (on average 34.72) internal successors, (868), 25 states have internal predecessors, (868), 23 states have call successors, (93), 13 states have call predecessors, (93), 12 states have return successors, (93), 23 states have call predecessors, (93), 23 states have call successors, (93) [2022-10-16 16:59:18,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:18,673 INFO L93 Difference]: Finished difference Result 2568 states and 2857 transitions. [2022-10-16 16:59:18,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-10-16 16:59:18,674 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 34.72) internal successors, (868), 25 states have internal predecessors, (868), 23 states have call successors, (93), 13 states have call predecessors, (93), 12 states have return successors, (93), 23 states have call predecessors, (93), 23 states have call successors, (93) Word has length 682 [2022-10-16 16:59:18,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:18,688 INFO L225 Difference]: With dead ends: 2568 [2022-10-16 16:59:18,688 INFO L226 Difference]: Without dead ends: 2567 [2022-10-16 16:59:18,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1479 GetRequests, 1433 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=853, Invalid=1403, Unknown=0, NotChecked=0, Total=2256 [2022-10-16 16:59:18,692 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 3574 mSDsluCounter, 1438 mSDsCounter, 0 mSdLazyCounter, 718 mSolverCounterSat, 326 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3595 SdHoareTripleChecker+Valid, 1626 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 326 IncrementalHoareTripleChecker+Valid, 718 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:18,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3595 Valid, 1626 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [326 Valid, 718 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:59:18,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2567 states. [2022-10-16 16:59:18,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2567 to 2567. [2022-10-16 16:59:18,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2567 states, 2282 states have (on average 1.0850131463628396) internal successors, (2476), 2282 states have internal predecessors, (2476), 153 states have call successors, (153), 110 states have call predecessors, (153), 131 states have return successors, (216), 174 states have call predecessors, (216), 153 states have call successors, (216) [2022-10-16 16:59:18,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 2567 states and 2845 transitions. [2022-10-16 16:59:19,000 INFO L78 Accepts]: Start accepts. Automaton has 2567 states and 2845 transitions. Word has length 682 [2022-10-16 16:59:19,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:19,002 INFO L495 AbstractCegarLoop]: Abstraction has 2567 states and 2845 transitions. [2022-10-16 16:59:19,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 34.72) internal successors, (868), 25 states have internal predecessors, (868), 23 states have call successors, (93), 13 states have call predecessors, (93), 12 states have return successors, (93), 23 states have call predecessors, (93), 23 states have call successors, (93) [2022-10-16 16:59:19,003 INFO L276 IsEmpty]: Start isEmpty. Operand 2567 states and 2845 transitions. [2022-10-16 16:59:19,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1475 [2022-10-16 16:59:19,089 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:19,090 INFO L195 NwaCegarLoop]: trace histogram [44, 44, 44, 44, 44, 44, 44, 43, 42, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 21, 21, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:19,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-16 16:59:19,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:19,305 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:19,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:19,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1644868363, now seen corresponding path program 3 times [2022-10-16 16:59:19,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:19,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551295131] [2022-10-16 16:59:19,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:19,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:22,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 16:59:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 16:59:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 16:59:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-16 16:59:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 16:59:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-10-16 16:59:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-16 16:59:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-10-16 16:59:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-10-16 16:59:22,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-16 16:59:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-10-16 16:59:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-10-16 16:59:22,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-10-16 16:59:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-10-16 16:59:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-10-16 16:59:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-10-16 16:59:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-10-16 16:59:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-10-16 16:59:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-10-16 16:59:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2022-10-16 16:59:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-10-16 16:59:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-10-16 16:59:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-10-16 16:59:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2022-10-16 16:59:22,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2022-10-16 16:59:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2022-10-16 16:59:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2022-10-16 16:59:22,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2022-10-16 16:59:22,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2022-10-16 16:59:22,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2022-10-16 16:59:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 711 [2022-10-16 16:59:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 734 [2022-10-16 16:59:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2022-10-16 16:59:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 777 [2022-10-16 16:59:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 800 [2022-10-16 16:59:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2022-10-16 16:59:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 843 [2022-10-16 16:59:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 866 [2022-10-16 16:59:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2022-10-16 16:59:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 909 [2022-10-16 16:59:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 932 [2022-10-16 16:59:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 947 [2022-10-16 16:59:22,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2022-10-16 16:59:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 998 [2022-10-16 16:59:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1013 [2022-10-16 16:59:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1041 [2022-10-16 16:59:22,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1064 [2022-10-16 16:59:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1079 [2022-10-16 16:59:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1107 [2022-10-16 16:59:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1130 [2022-10-16 16:59:22,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1145 [2022-10-16 16:59:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1173 [2022-10-16 16:59:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1196 [2022-10-16 16:59:22,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1211 [2022-10-16 16:59:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1239 [2022-10-16 16:59:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1262 [2022-10-16 16:59:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1277 [2022-10-16 16:59:22,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2022-10-16 16:59:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1328 [2022-10-16 16:59:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1343 [2022-10-16 16:59:22,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1371 [2022-10-16 16:59:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1394 [2022-10-16 16:59:22,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1409 [2022-10-16 16:59:22,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1437 [2022-10-16 16:59:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1460 [2022-10-16 16:59:22,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,978 INFO L134 CoverageAnalysis]: Checked inductivity of 22270 backedges. 0 proven. 7403 refuted. 0 times theorem prover too weak. 14867 trivial. 0 not checked. [2022-10-16 16:59:22,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:22,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551295131] [2022-10-16 16:59:22,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551295131] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:22,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502472756] [2022-10-16 16:59:22,979 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-16 16:59:22,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:22,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:22,980 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) [2022-10-16 16:59:23,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 16:59:23,780 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 28 check-sat command(s) [2022-10-16 16:59:23,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 16:59:23,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 4055 conjuncts, 29 conjunts are in the unsatisfiable core [2022-10-16 16:59:23,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:25,599 INFO L134 CoverageAnalysis]: Checked inductivity of 22270 backedges. 0 proven. 22003 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-10-16 16:59:25,599 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 16:59:27,584 INFO L134 CoverageAnalysis]: Checked inductivity of 22270 backedges. 0 proven. 7403 refuted. 0 times theorem prover too weak. 14867 trivial. 0 not checked. [2022-10-16 16:59:27,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502472756] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 16:59:27,585 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 16:59:27,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 29, 29] total 63 [2022-10-16 16:59:27,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345914670] [2022-10-16 16:59:27,587 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 16:59:27,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2022-10-16 16:59:27,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:27,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2022-10-16 16:59:27,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1135, Invalid=2897, Unknown=0, NotChecked=0, Total=4032 [2022-10-16 16:59:27,605 INFO L87 Difference]: Start difference. First operand 2567 states and 2845 transitions. Second operand has 64 states, 63 states have (on average 32.20634920634921) internal successors, (2029), 63 states have internal predecessors, (2029), 61 states have call successors, (201), 30 states have call predecessors, (201), 29 states have return successors, (201), 61 states have call predecessors, (201), 61 states have call successors, (201) [2022-10-16 16:59:38,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:38,590 INFO L93 Difference]: Finished difference Result 5259 states and 5858 transitions. [2022-10-16 16:59:38,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2022-10-16 16:59:38,592 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 63 states have (on average 32.20634920634921) internal successors, (2029), 63 states have internal predecessors, (2029), 61 states have call successors, (201), 30 states have call predecessors, (201), 29 states have return successors, (201), 61 states have call predecessors, (201), 61 states have call successors, (201) Word has length 1474 [2022-10-16 16:59:38,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:38,629 INFO L225 Difference]: With dead ends: 5259 [2022-10-16 16:59:38,629 INFO L226 Difference]: Without dead ends: 5258 [2022-10-16 16:59:38,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3363 GetRequests, 3151 SyntacticMatches, 0 SemanticMatches, 212 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15100 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=14214, Invalid=31368, Unknown=0, NotChecked=0, Total=45582 [2022-10-16 16:59:38,649 INFO L413 NwaCegarLoop]: 321 mSDtfsCounter, 17564 mSDsluCounter, 3877 mSDsCounter, 0 mSdLazyCounter, 2592 mSolverCounterSat, 2164 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17573 SdHoareTripleChecker+Valid, 4198 SdHoareTripleChecker+Invalid, 4756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2164 IncrementalHoareTripleChecker+Valid, 2592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:38,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17573 Valid, 4198 Invalid, 4756 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2164 Valid, 2592 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-10-16 16:59:38,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5258 states. [2022-10-16 16:59:39,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5258 to 5258. [2022-10-16 16:59:39,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5258 states, 4674 states have (on average 1.0857937526743688) internal successors, (5075), 4674 states have internal predecessors, (5075), 314 states have call successors, (314), 225 states have call predecessors, (314), 269 states have return successors, (446), 358 states have call predecessors, (446), 314 states have call successors, (446) [2022-10-16 16:59:39,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5258 states to 5258 states and 5835 transitions. [2022-10-16 16:59:39,482 INFO L78 Accepts]: Start accepts. Automaton has 5258 states and 5835 transitions. Word has length 1474 [2022-10-16 16:59:39,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:39,486 INFO L495 AbstractCegarLoop]: Abstraction has 5258 states and 5835 transitions. [2022-10-16 16:59:39,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 63 states have (on average 32.20634920634921) internal successors, (2029), 63 states have internal predecessors, (2029), 61 states have call successors, (201), 30 states have call predecessors, (201), 29 states have return successors, (201), 61 states have call predecessors, (201), 61 states have call successors, (201) [2022-10-16 16:59:39,488 INFO L276 IsEmpty]: Start isEmpty. Operand 5258 states and 5835 transitions. [2022-10-16 16:59:39,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2993 [2022-10-16 16:59:39,562 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:39,563 INFO L195 NwaCegarLoop]: trace histogram [90, 90, 90, 90, 90, 90, 90, 89, 88, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 45, 44, 44, 44, 44, 44, 44, 44, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:39,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-10-16 16:59:39,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-10-16 16:59:39,775 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:39,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:39,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1339813608, now seen corresponding path program 4 times [2022-10-16 16:59:39,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:39,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285348046] [2022-10-16 16:59:39,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:39,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:40,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:50,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 16:59:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 16:59:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 16:59:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-16 16:59:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 16:59:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-10-16 16:59:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-16 16:59:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-10-16 16:59:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-10-16 16:59:50,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-16 16:59:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-10-16 16:59:50,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-10-16 16:59:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-10-16 16:59:50,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-10-16 16:59:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-10-16 16:59:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-10-16 16:59:50,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-10-16 16:59:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-10-16 16:59:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-10-16 16:59:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2022-10-16 16:59:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-10-16 16:59:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-10-16 16:59:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-10-16 16:59:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2022-10-16 16:59:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2022-10-16 16:59:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2022-10-16 16:59:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2022-10-16 16:59:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2022-10-16 16:59:50,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2022-10-16 16:59:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2022-10-16 16:59:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 711 [2022-10-16 16:59:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 734 [2022-10-16 16:59:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2022-10-16 16:59:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 777 [2022-10-16 16:59:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 800 [2022-10-16 16:59:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2022-10-16 16:59:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 843 [2022-10-16 16:59:50,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 866 [2022-10-16 16:59:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2022-10-16 16:59:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 909 [2022-10-16 16:59:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 932 [2022-10-16 16:59:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 947 [2022-10-16 16:59:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2022-10-16 16:59:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 998 [2022-10-16 16:59:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1013 [2022-10-16 16:59:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1041 [2022-10-16 16:59:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1064 [2022-10-16 16:59:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1079 [2022-10-16 16:59:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1107 [2022-10-16 16:59:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1130 [2022-10-16 16:59:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1145 [2022-10-16 16:59:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1173 [2022-10-16 16:59:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1196 [2022-10-16 16:59:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1211 [2022-10-16 16:59:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1239 [2022-10-16 16:59:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1262 [2022-10-16 16:59:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1277 [2022-10-16 16:59:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2022-10-16 16:59:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1328 [2022-10-16 16:59:50,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1343 [2022-10-16 16:59:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1371 [2022-10-16 16:59:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1394 [2022-10-16 16:59:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1409 [2022-10-16 16:59:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1437 [2022-10-16 16:59:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1460 [2022-10-16 16:59:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1475 [2022-10-16 16:59:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1503 [2022-10-16 16:59:50,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1526 [2022-10-16 16:59:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1541 [2022-10-16 16:59:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1569 [2022-10-16 16:59:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1592 [2022-10-16 16:59:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1607 [2022-10-16 16:59:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1635 [2022-10-16 16:59:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1658 [2022-10-16 16:59:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1673 [2022-10-16 16:59:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1701 [2022-10-16 16:59:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1724 [2022-10-16 16:59:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1739 [2022-10-16 16:59:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1767 [2022-10-16 16:59:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1790 [2022-10-16 16:59:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1805 [2022-10-16 16:59:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1833 [2022-10-16 16:59:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1856 [2022-10-16 16:59:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1871 [2022-10-16 16:59:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1899 [2022-10-16 16:59:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1922 [2022-10-16 16:59:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1937 [2022-10-16 16:59:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1965 [2022-10-16 16:59:50,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1988 [2022-10-16 16:59:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2003 [2022-10-16 16:59:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2031 [2022-10-16 16:59:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2054 [2022-10-16 16:59:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2069 [2022-10-16 16:59:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2097 [2022-10-16 16:59:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:50,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2120 [2022-10-16 16:59:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2135 [2022-10-16 16:59:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2163 [2022-10-16 16:59:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2186 [2022-10-16 16:59:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2201 [2022-10-16 16:59:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2229 [2022-10-16 16:59:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2252 [2022-10-16 16:59:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2267 [2022-10-16 16:59:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2295 [2022-10-16 16:59:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2318 [2022-10-16 16:59:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2333 [2022-10-16 16:59:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2361 [2022-10-16 16:59:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2384 [2022-10-16 16:59:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2399 [2022-10-16 16:59:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2427 [2022-10-16 16:59:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2450 [2022-10-16 16:59:51,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2465 [2022-10-16 16:59:51,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2493 [2022-10-16 16:59:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2516 [2022-10-16 16:59:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2531 [2022-10-16 16:59:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2559 [2022-10-16 16:59:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2582 [2022-10-16 16:59:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2597 [2022-10-16 16:59:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2625 [2022-10-16 16:59:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2648 [2022-10-16 16:59:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2663 [2022-10-16 16:59:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2691 [2022-10-16 16:59:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2714 [2022-10-16 16:59:51,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2729 [2022-10-16 16:59:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2757 [2022-10-16 16:59:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2780 [2022-10-16 16:59:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2795 [2022-10-16 16:59:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2823 [2022-10-16 16:59:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2846 [2022-10-16 16:59:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2861 [2022-10-16 16:59:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2889 [2022-10-16 16:59:51,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2912 [2022-10-16 16:59:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2927 [2022-10-16 16:59:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2955 [2022-10-16 16:59:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2978 [2022-10-16 16:59:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,261 INFO L134 CoverageAnalysis]: Checked inductivity of 94191 backedges. 0 proven. 31185 refuted. 0 times theorem prover too weak. 63006 trivial. 0 not checked. [2022-10-16 16:59:51,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:51,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285348046] [2022-10-16 16:59:51,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285348046] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:51,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945909706] [2022-10-16 16:59:51,262 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-10-16 16:59:51,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:51,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:51,266 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:59:51,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-16 16:59:52,614 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-10-16 16:59:52,614 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 16:59:52,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 8172 conjuncts, 49 conjunts are in the unsatisfiable core [2022-10-16 16:59:52,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:56,731 INFO L134 CoverageAnalysis]: Checked inductivity of 94191 backedges. 0 proven. 93574 refuted. 0 times theorem prover too weak. 617 trivial. 0 not checked. [2022-10-16 16:59:56,731 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:00:02,379 INFO L134 CoverageAnalysis]: Checked inductivity of 94191 backedges. 0 proven. 31185 refuted. 0 times theorem prover too weak. 63006 trivial. 0 not checked. [2022-10-16 17:00:02,380 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945909706] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:00:02,380 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:00:02,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 49, 49] total 99 [2022-10-16 17:00:02,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322578264] [2022-10-16 17:00:02,382 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:00:02,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2022-10-16 17:00:02,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:00:02,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2022-10-16 17:00:02,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4481, Invalid=5419, Unknown=0, NotChecked=0, Total=9900 [2022-10-16 17:00:02,397 INFO L87 Difference]: Start difference. First operand 5258 states and 5835 transitions. Second operand has 100 states, 99 states have (on average 37.08080808080808) internal successors, (3671), 99 states have internal predecessors, (3671), 97 states have call successors, (408), 50 states have call predecessors, (408), 49 states have return successors, (408), 97 states have call predecessors, (408), 97 states have call successors, (408) [2022-10-16 17:00:45,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:00:45,126 INFO L93 Difference]: Finished difference Result 10758 states and 11992 transitions. [2022-10-16 17:00:45,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 313 states. [2022-10-16 17:00:45,127 INFO L78 Accepts]: Start accepts. Automaton has has 100 states, 99 states have (on average 37.08080808080808) internal successors, (3671), 99 states have internal predecessors, (3671), 97 states have call successors, (408), 50 states have call predecessors, (408), 49 states have return successors, (408), 97 states have call predecessors, (408), 97 states have call successors, (408) Word has length 2992 [2022-10-16 17:00:45,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:00:45,189 INFO L225 Difference]: With dead ends: 10758 [2022-10-16 17:00:45,189 INFO L226 Difference]: Without dead ends: 10757 [2022-10-16 17:00:45,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6798 GetRequests, 6419 SyntacticMatches, 0 SemanticMatches, 379 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48290 ImplicationChecksByTransitivity, 20.2s TimeCoverageRelationStatistics Valid=45876, Invalid=98904, Unknown=0, NotChecked=0, Total=144780 [2022-10-16 17:00:45,209 INFO L413 NwaCegarLoop]: 541 mSDtfsCounter, 44263 mSDsluCounter, 5874 mSDsCounter, 0 mSdLazyCounter, 3892 mSolverCounterSat, 4562 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44291 SdHoareTripleChecker+Valid, 6415 SdHoareTripleChecker+Invalid, 8454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4562 IncrementalHoareTripleChecker+Valid, 3892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-10-16 17:00:45,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44291 Valid, 6415 Invalid, 8454 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4562 Valid, 3892 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-10-16 17:00:45,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10757 states. [2022-10-16 17:00:46,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10757 to 10757. [2022-10-16 17:00:46,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10757 states, 9562 states have (on average 1.0861744404936207) internal successors, (10386), 9562 states have internal predecessors, (10386), 643 states have call successors, (643), 460 states have call predecessors, (643), 551 states have return successors, (916), 734 states have call predecessors, (916), 643 states have call successors, (916) [2022-10-16 17:00:46,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10757 states to 10757 states and 11945 transitions. [2022-10-16 17:00:46,638 INFO L78 Accepts]: Start accepts. Automaton has 10757 states and 11945 transitions. Word has length 2992 [2022-10-16 17:00:46,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:00:46,644 INFO L495 AbstractCegarLoop]: Abstraction has 10757 states and 11945 transitions. [2022-10-16 17:00:46,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 99 states have (on average 37.08080808080808) internal successors, (3671), 99 states have internal predecessors, (3671), 97 states have call successors, (408), 50 states have call predecessors, (408), 49 states have return successors, (408), 97 states have call predecessors, (408), 97 states have call successors, (408) [2022-10-16 17:00:46,646 INFO L276 IsEmpty]: Start isEmpty. Operand 10757 states and 11945 transitions. [2022-10-16 17:00:47,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6095 [2022-10-16 17:00:47,089 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:00:47,092 INFO L195 NwaCegarLoop]: trace histogram [184, 184, 184, 184, 184, 184, 184, 183, 182, 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, 93, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 92, 91, 91, 91, 91, 91, 91, 91, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:00:47,148 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-10-16 17:00:47,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-10-16 17:00:47,308 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 17:00:47,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:00:47,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1496051469, now seen corresponding path program 5 times [2022-10-16 17:00:47,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:00:47,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652057762] [2022-10-16 17:00:47,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:00:47,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:00:48,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 17:01:38,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 17:01:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 17:01:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 17:01:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 17:01:38,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-16 17:01:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 17:01:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-10-16 17:01:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-16 17:01:38,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-10-16 17:01:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-10-16 17:01:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-16 17:01:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-10-16 17:01:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-10-16 17:01:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-10-16 17:01:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-10-16 17:01:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-10-16 17:01:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-10-16 17:01:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-10-16 17:01:38,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-10-16 17:01:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-10-16 17:01:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2022-10-16 17:01:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-10-16 17:01:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-10-16 17:01:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-10-16 17:01:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2022-10-16 17:01:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2022-10-16 17:01:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2022-10-16 17:01:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2022-10-16 17:01:38,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2022-10-16 17:01:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2022-10-16 17:01:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2022-10-16 17:01:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 711 [2022-10-16 17:01:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 734 [2022-10-16 17:01:38,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2022-10-16 17:01:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 777 [2022-10-16 17:01:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 800 [2022-10-16 17:01:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2022-10-16 17:01:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 843 [2022-10-16 17:01:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 866 [2022-10-16 17:01:38,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2022-10-16 17:01:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 909 [2022-10-16 17:01:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 932 [2022-10-16 17:01:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 947 [2022-10-16 17:01:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2022-10-16 17:01:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 998 [2022-10-16 17:01:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1013 [2022-10-16 17:01:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1041 [2022-10-16 17:01:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1064 [2022-10-16 17:01:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1079 [2022-10-16 17:01:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1107 [2022-10-16 17:01:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1130 [2022-10-16 17:01:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1145 [2022-10-16 17:01:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1173 [2022-10-16 17:01:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1196 [2022-10-16 17:01:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1211 [2022-10-16 17:01:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1239 [2022-10-16 17:01:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1262 [2022-10-16 17:01:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1277 [2022-10-16 17:01:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2022-10-16 17:01:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1328 [2022-10-16 17:01:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1343 [2022-10-16 17:01:38,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1371 [2022-10-16 17:01:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1394 [2022-10-16 17:01:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1409 [2022-10-16 17:01:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1437 [2022-10-16 17:01:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1460 [2022-10-16 17:01:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1475 [2022-10-16 17:01:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1503 [2022-10-16 17:01:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1526 [2022-10-16 17:01:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1541 [2022-10-16 17:01:38,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1569 [2022-10-16 17:01:38,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1592 [2022-10-16 17:01:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1607 [2022-10-16 17:01:38,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1635 [2022-10-16 17:01:38,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1658 [2022-10-16 17:01:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1673 [2022-10-16 17:01:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1701 [2022-10-16 17:01:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1724 [2022-10-16 17:01:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1739 [2022-10-16 17:01:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1767 [2022-10-16 17:01:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1790 [2022-10-16 17:01:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1805 [2022-10-16 17:01:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1833 [2022-10-16 17:01:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1856 [2022-10-16 17:01:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1871 [2022-10-16 17:01:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1899 [2022-10-16 17:01:38,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1922 [2022-10-16 17:01:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1937 [2022-10-16 17:01:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1965 [2022-10-16 17:01:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1988 [2022-10-16 17:01:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2003 [2022-10-16 17:01:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2031 [2022-10-16 17:01:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2054 [2022-10-16 17:01:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2069 [2022-10-16 17:01:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2097 [2022-10-16 17:01:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2120 [2022-10-16 17:01:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2135 [2022-10-16 17:01:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2163 [2022-10-16 17:01:38,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2186 [2022-10-16 17:01:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2201 [2022-10-16 17:01:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2229 [2022-10-16 17:01:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2252 [2022-10-16 17:01:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2267 [2022-10-16 17:01:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2295 [2022-10-16 17:01:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2318 [2022-10-16 17:01:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2333 [2022-10-16 17:01:38,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2361 [2022-10-16 17:01:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2384 [2022-10-16 17:01:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2399 [2022-10-16 17:01:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2427 [2022-10-16 17:01:38,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2450 [2022-10-16 17:01:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2465 [2022-10-16 17:01:38,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2493 [2022-10-16 17:01:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2516 [2022-10-16 17:01:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2531 [2022-10-16 17:01:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2559 [2022-10-16 17:01:38,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2582 [2022-10-16 17:01:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2597 [2022-10-16 17:01:38,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2625 [2022-10-16 17:01:38,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2648 [2022-10-16 17:01:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2663 [2022-10-16 17:01:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2691 [2022-10-16 17:01:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2714 [2022-10-16 17:01:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2729 [2022-10-16 17:01:38,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2757 [2022-10-16 17:01:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2780 [2022-10-16 17:01:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:38,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2795 [2022-10-16 17:01:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2823 [2022-10-16 17:01:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2846 [2022-10-16 17:01:39,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2861 [2022-10-16 17:01:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2889 [2022-10-16 17:01:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2912 [2022-10-16 17:01:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2927 [2022-10-16 17:01:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2955 [2022-10-16 17:01:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2978 [2022-10-16 17:01:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2993 [2022-10-16 17:01:39,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3021 [2022-10-16 17:01:39,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3044 [2022-10-16 17:01:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3059 [2022-10-16 17:01:39,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3087 [2022-10-16 17:01:39,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3110 [2022-10-16 17:01:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3125 [2022-10-16 17:01:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3153 [2022-10-16 17:01:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3176 [2022-10-16 17:01:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3191 [2022-10-16 17:01:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3219 [2022-10-16 17:01:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3242 [2022-10-16 17:01:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3257 [2022-10-16 17:01:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3285 [2022-10-16 17:01:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3308 [2022-10-16 17:01:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3323 [2022-10-16 17:01:39,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3351 [2022-10-16 17:01:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3374 [2022-10-16 17:01:39,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3389 [2022-10-16 17:01:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3417 [2022-10-16 17:01:39,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3440 [2022-10-16 17:01:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3455 [2022-10-16 17:01:39,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3483 [2022-10-16 17:01:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3506 [2022-10-16 17:01:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3521 [2022-10-16 17:01:39,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3549 [2022-10-16 17:01:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3572 [2022-10-16 17:01:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3587 [2022-10-16 17:01:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3615 [2022-10-16 17:01:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3638 [2022-10-16 17:01:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3653 [2022-10-16 17:01:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3681 [2022-10-16 17:01:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3704 [2022-10-16 17:01:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3719 [2022-10-16 17:01:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3747 [2022-10-16 17:01:39,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3770 [2022-10-16 17:01:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3785 [2022-10-16 17:01:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3813 [2022-10-16 17:01:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3836 [2022-10-16 17:01:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3851 [2022-10-16 17:01:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3879 [2022-10-16 17:01:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3902 [2022-10-16 17:01:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3917 [2022-10-16 17:01:39,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3945 [2022-10-16 17:01:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3968 [2022-10-16 17:01:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3983 [2022-10-16 17:01:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4011 [2022-10-16 17:01:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4034 [2022-10-16 17:01:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4049 [2022-10-16 17:01:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4077 [2022-10-16 17:01:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4100 [2022-10-16 17:01:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4115 [2022-10-16 17:01:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4143 [2022-10-16 17:01:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4166 [2022-10-16 17:01:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4181 [2022-10-16 17:01:39,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4209 [2022-10-16 17:01:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4232 [2022-10-16 17:01:39,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4247 [2022-10-16 17:01:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4275 [2022-10-16 17:01:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4298 [2022-10-16 17:01:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4313 [2022-10-16 17:01:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4341 [2022-10-16 17:01:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4364 [2022-10-16 17:01:39,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4379 [2022-10-16 17:01:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4407 [2022-10-16 17:01:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4430 [2022-10-16 17:01:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4445 [2022-10-16 17:01:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4473 [2022-10-16 17:01:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4496 [2022-10-16 17:01:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4511 [2022-10-16 17:01:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4539 [2022-10-16 17:01:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4562 [2022-10-16 17:01:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4577 [2022-10-16 17:01:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4605 [2022-10-16 17:01:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4628 [2022-10-16 17:01:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4643 [2022-10-16 17:01:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4671 [2022-10-16 17:01:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4694 [2022-10-16 17:01:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4709 [2022-10-16 17:01:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4737 [2022-10-16 17:01:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4760 [2022-10-16 17:01:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4775 [2022-10-16 17:01:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4803 [2022-10-16 17:01:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4826 [2022-10-16 17:01:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4841 [2022-10-16 17:01:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4869 [2022-10-16 17:01:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4892 [2022-10-16 17:01:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4907 [2022-10-16 17:01:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4935 [2022-10-16 17:01:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4958 [2022-10-16 17:01:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4973 [2022-10-16 17:01:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5001 [2022-10-16 17:01:39,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5024 [2022-10-16 17:01:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5039 [2022-10-16 17:01:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5067 [2022-10-16 17:01:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5090 [2022-10-16 17:01:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5105 [2022-10-16 17:01:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5133 [2022-10-16 17:01:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5156 [2022-10-16 17:01:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5171 [2022-10-16 17:01:39,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5199 [2022-10-16 17:01:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5222 [2022-10-16 17:01:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5237 [2022-10-16 17:01:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5265 [2022-10-16 17:01:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5288 [2022-10-16 17:01:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5303 [2022-10-16 17:01:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5331 [2022-10-16 17:01:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5354 [2022-10-16 17:01:39,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5369 [2022-10-16 17:01:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5397 [2022-10-16 17:01:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5420 [2022-10-16 17:01:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5435 [2022-10-16 17:01:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5463 [2022-10-16 17:01:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5486 [2022-10-16 17:01:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5501 [2022-10-16 17:01:39,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5529 [2022-10-16 17:01:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5552 [2022-10-16 17:01:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5567 [2022-10-16 17:01:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5595 [2022-10-16 17:01:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5618 [2022-10-16 17:01:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5633 [2022-10-16 17:01:39,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5661 [2022-10-16 17:01:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5684 [2022-10-16 17:01:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5699 [2022-10-16 17:01:39,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5727 [2022-10-16 17:01:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5750 [2022-10-16 17:01:39,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5765 [2022-10-16 17:01:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5793 [2022-10-16 17:01:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5816 [2022-10-16 17:01:39,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5831 [2022-10-16 17:01:39,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5859 [2022-10-16 17:01:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5882 [2022-10-16 17:01:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5897 [2022-10-16 17:01:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5925 [2022-10-16 17:01:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5948 [2022-10-16 17:01:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5963 [2022-10-16 17:01:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5991 [2022-10-16 17:01:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6014 [2022-10-16 17:01:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6029 [2022-10-16 17:01:39,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6057 [2022-10-16 17:01:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6080 [2022-10-16 17:01:39,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:01:39,793 INFO L134 CoverageAnalysis]: Checked inductivity of 395790 backedges. 0 proven. 130778 refuted. 0 times theorem prover too weak. 265012 trivial. 0 not checked. [2022-10-16 17:01:39,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:01:39,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652057762] [2022-10-16 17:01:39,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652057762] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:01:39,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265763892] [2022-10-16 17:01:39,794 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-10-16 17:01:39,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:01:39,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:01:39,795 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:01:39,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-10-16 17:01:47,666 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 122 check-sat command(s) [2022-10-16 17:01:47,667 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:01:47,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 16585 conjuncts, 101 conjunts are in the unsatisfiable core [2022-10-16 17:01:47,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:01:58,469 INFO L134 CoverageAnalysis]: Checked inductivity of 395790 backedges. 0 proven. 394557 refuted. 0 times theorem prover too weak. 1233 trivial. 0 not checked. [2022-10-16 17:01:58,469 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:02:14,665 INFO L134 CoverageAnalysis]: Checked inductivity of 395790 backedges. 0 proven. 130778 refuted. 0 times theorem prover too weak. 265012 trivial. 0 not checked. [2022-10-16 17:02:14,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265763892] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:02:14,666 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:02:14,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 101, 101] total 242 [2022-10-16 17:02:14,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584727807] [2022-10-16 17:02:14,668 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:02:14,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 243 states [2022-10-16 17:02:14,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:02:14,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 243 interpolants. [2022-10-16 17:02:14,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15439, Invalid=43367, Unknown=0, NotChecked=0, Total=58806 [2022-10-16 17:02:14,690 INFO L87 Difference]: Start difference. First operand 10757 states and 11945 transitions. Second operand has 243 states, 242 states have (on average 35.44214876033058) internal successors, (8577), 242 states have internal predecessors, (8577), 240 states have call successors, (831), 102 states have call predecessors, (831), 101 states have return successors, (831), 240 states have call predecessors, (831), 240 states have call successors, (831)