/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-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:59:06,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:59:06,853 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:59:06,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:59:06,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:59:06,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:59:06,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:59:06,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:59:06,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:59:06,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:59:06,908 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:59:06,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:59:06,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:59:06,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:59:06,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:59:06,914 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:59:06,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:59:06,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:59:06,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:59:06,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:59:06,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:59:06,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:59:06,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:59:06,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:59:06,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 16:59:06,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 16:59:06,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 16:59:06,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 16:59:06,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 16:59:06,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 16:59:06,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 16:59:06,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 16:59:06,942 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 16:59:06,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 16:59:06,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 16:59:06,945 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 16:59:06,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 16:59:06,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 16:59:06,947 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:59:06,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:59:06,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:59:06,950 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 16:59:06,978 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:59:06,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:59:06,979 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:59:06,979 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:59:06,980 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:59:06,980 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:59:06,981 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:59:06,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:59:06,981 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:59:06,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:59:06,982 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:59:06,982 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:59:06,982 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:59:06,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:59:06,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:59:06,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:59:06,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:59:06,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:59:06,984 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:59:06,984 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:59:06,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:59:06,985 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:59:06,985 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:59:06,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:59:06,986 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:59:06,986 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:59:06,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:59:06,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:59:06,987 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:59:06,987 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:59:06,988 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:59:06,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:59:06,988 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:59:06,988 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:59:07,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:59:07,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:59:07,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:59:07,382 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:59:07,383 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:59:07,384 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/pc_sfifo_1.cil-2.c [2022-10-16 16:59:07,461 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cf90bab3/d746fa7cda7143ee81351637f4bddec0/FLAG604341784 [2022-10-16 16:59:08,022 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:59:08,023 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/pc_sfifo_1.cil-2.c [2022-10-16 16:59:08,032 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cf90bab3/d746fa7cda7143ee81351637f4bddec0/FLAG604341784 [2022-10-16 16:59:08,385 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cf90bab3/d746fa7cda7143ee81351637f4bddec0 [2022-10-16 16:59:08,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:59:08,397 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:59:08,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:59:08,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:59:08,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:59:08,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:59:08" (1/1) ... [2022-10-16 16:59:08,405 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c252a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:59:08, skipping insertion in model container [2022-10-16 16:59:08,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:59:08" (1/1) ... [2022-10-16 16:59:08,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:59:08,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:59:08,595 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-2.c[642,655] [2022-10-16 16:59:08,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:59:08,657 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:59:08,675 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-2.c[642,655] [2022-10-16 16:59:08,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:59:08,741 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:59:08,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:59:08 WrapperNode [2022-10-16 16:59:08,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:59:08,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:59:08,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:59:08,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:59:08,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:59:08" (1/1) ... [2022-10-16 16:59:08,760 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:59:08" (1/1) ... [2022-10-16 16:59:08,790 INFO L138 Inliner]: procedures = 24, calls = 22, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 206 [2022-10-16 16:59:08,790 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:59:08,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:59:08,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:59:08,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:59:08,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:59:08" (1/1) ... [2022-10-16 16:59:08,802 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:59:08" (1/1) ... [2022-10-16 16:59:08,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:59:08" (1/1) ... [2022-10-16 16:59:08,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:59:08" (1/1) ... [2022-10-16 16:59:08,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:59:08" (1/1) ... [2022-10-16 16:59:08,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:59:08" (1/1) ... [2022-10-16 16:59:08,819 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:59:08" (1/1) ... [2022-10-16 16:59:08,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:59:08" (1/1) ... [2022-10-16 16:59:08,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:59:08,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:59:08,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:59:08,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:59:08,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:59:08" (1/1) ... [2022-10-16 16:59:08,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:59:08,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:08,880 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 16:59:08,889 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 16:59:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:59:08,935 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2022-10-16 16:59:08,936 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2022-10-16 16:59:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:59:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-10-16 16:59:08,936 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-10-16 16:59:08,936 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2022-10-16 16:59:08,936 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2022-10-16 16:59:08,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:59:08,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:59:09,018 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:59:09,020 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:59:09,415 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:59:09,424 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:59:09,424 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-16 16:59:09,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:59:09 BoogieIcfgContainer [2022-10-16 16:59:09,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:59:09,429 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:59:09,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:59:09,433 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:59:09,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:59:08" (1/3) ... [2022-10-16 16:59:09,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a62f07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:59:09, skipping insertion in model container [2022-10-16 16:59:09,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:59:08" (2/3) ... [2022-10-16 16:59:09,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a62f07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:59:09, skipping insertion in model container [2022-10-16 16:59:09,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:59:09" (3/3) ... [2022-10-16 16:59:09,440 INFO L112 eAbstractionObserver]: Analyzing ICFG pc_sfifo_1.cil-2.c [2022-10-16 16:59:09,486 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:59:09,486 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-10-16 16:59:09,552 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:59:09,562 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;@46300e7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:59:09,562 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-10-16 16:59:09,568 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 67 states have (on average 1.5522388059701493) internal successors, (104), 73 states have internal predecessors, (104), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2022-10-16 16:59:09,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-16 16:59:09,579 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:09,579 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 16:59:09,580 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 16:59:09,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:09,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1169472285, now seen corresponding path program 1 times [2022-10-16 16:59:09,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:09,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289001061] [2022-10-16 16:59:09,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:09,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:09,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:09,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:09,880 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 16:59:09,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:09,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289001061] [2022-10-16 16:59:09,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289001061] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:09,885 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:09,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:59:09,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276746475] [2022-10-16 16:59:09,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:09,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:59:09,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:09,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:59:09,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:59:09,932 INFO L87 Difference]: Start difference. First operand has 81 states, 67 states have (on average 1.5522388059701493) internal successors, (104), 73 states have internal predecessors, (104), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) 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 16:59:10,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:10,023 INFO L93 Difference]: Finished difference Result 224 states and 327 transitions. [2022-10-16 16:59:10,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:59:10,031 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 16:59:10,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:10,042 INFO L225 Difference]: With dead ends: 224 [2022-10-16 16:59:10,043 INFO L226 Difference]: Without dead ends: 135 [2022-10-16 16:59:10,047 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 16:59:10,052 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 82 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 195 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 16:59:10,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 195 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:10,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2022-10-16 16:59:10,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 131. [2022-10-16 16:59:10,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 115 states have (on average 1.4) internal successors, (161), 118 states have internal predecessors, (161), 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 16:59:10,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 177 transitions. [2022-10-16 16:59:10,154 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 177 transitions. Word has length 23 [2022-10-16 16:59:10,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:10,155 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 177 transitions. [2022-10-16 16:59:10,157 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 16:59:10,158 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 177 transitions. [2022-10-16 16:59:10,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-16 16:59:10,161 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:10,161 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 16:59:10,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:59:10,163 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 16:59:10,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:10,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1892381316, now seen corresponding path program 1 times [2022-10-16 16:59:10,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:10,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282364384] [2022-10-16 16:59:10,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:10,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:10,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:10,336 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 16:59:10,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:10,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282364384] [2022-10-16 16:59:10,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282364384] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:10,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:10,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:59:10,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793292748] [2022-10-16 16:59:10,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:10,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:59:10,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:10,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:59:10,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:59:10,342 INFO L87 Difference]: Start difference. First operand 131 states and 177 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 16:59:10,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:10,387 INFO L93 Difference]: Finished difference Result 215 states and 288 transitions. [2022-10-16 16:59:10,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:59:10,388 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 16:59:10,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:10,391 INFO L225 Difference]: With dead ends: 215 [2022-10-16 16:59:10,391 INFO L226 Difference]: Without dead ends: 213 [2022-10-16 16:59:10,392 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 16:59:10,394 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 72 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 197 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 16:59:10,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 197 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:10,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2022-10-16 16:59:10,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 211. [2022-10-16 16:59:10,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 189 states have (on average 1.3862433862433863) internal successors, (262), 192 states have internal predecessors, (262), 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 16:59:10,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 284 transitions. [2022-10-16 16:59:10,425 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 284 transitions. Word has length 24 [2022-10-16 16:59:10,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:10,427 INFO L495 AbstractCegarLoop]: Abstraction has 211 states and 284 transitions. [2022-10-16 16:59:10,427 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 16:59:10,427 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 284 transitions. [2022-10-16 16:59:10,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-16 16:59:10,430 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:10,430 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 16:59:10,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:59:10,430 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 16:59:10,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:10,434 INFO L85 PathProgramCache]: Analyzing trace with hash -99627386, now seen corresponding path program 1 times [2022-10-16 16:59:10,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:10,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106078432] [2022-10-16 16:59:10,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:10,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:10,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:10,550 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 16:59:10,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:10,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106078432] [2022-10-16 16:59:10,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106078432] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:10,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:10,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:59:10,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367974582] [2022-10-16 16:59:10,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:10,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:59:10,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:10,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:59:10,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:59:10,554 INFO L87 Difference]: Start difference. First operand 211 states and 284 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 16:59:10,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:10,616 INFO L93 Difference]: Finished difference Result 600 states and 821 transitions. [2022-10-16 16:59:10,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:59:10,617 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 16:59:10,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:10,624 INFO L225 Difference]: With dead ends: 600 [2022-10-16 16:59:10,624 INFO L226 Difference]: Without dead ends: 395 [2022-10-16 16:59:10,626 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 16:59:10,628 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 74 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:10,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 198 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:10,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2022-10-16 16:59:10,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 369. [2022-10-16 16:59:10,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 331 states have (on average 1.3625377643504533) internal successors, (451), 334 states have internal predecessors, (451), 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 16:59:10,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 503 transitions. [2022-10-16 16:59:10,702 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 503 transitions. Word has length 25 [2022-10-16 16:59:10,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:10,703 INFO L495 AbstractCegarLoop]: Abstraction has 369 states and 503 transitions. [2022-10-16 16:59:10,703 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 16:59:10,704 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 503 transitions. [2022-10-16 16:59:10,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [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 [1, 1, 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 16:59:10,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:59:10,706 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 16:59:10,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:10,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1820653204, now seen corresponding path program 1 times [2022-10-16 16:59:10,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:10,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055045037] [2022-10-16 16:59:10,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:10,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:10,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:10,765 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 16:59:10,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:10,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055045037] [2022-10-16 16:59:10,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055045037] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:10,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:10,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:59:10,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951030616] [2022-10-16 16:59:10,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:10,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:59:10,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:10,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:59:10,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:59:10,769 INFO L87 Difference]: Start difference. First operand 369 states and 503 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 16:59:10,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:10,819 INFO L93 Difference]: Finished difference Result 728 states and 991 transitions. [2022-10-16 16:59:10,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:59:10,820 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 16:59:10,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:10,824 INFO L225 Difference]: With dead ends: 728 [2022-10-16 16:59:10,824 INFO L226 Difference]: Without dead ends: 367 [2022-10-16 16:59:10,826 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 16:59:10,828 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 70 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:10,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 201 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:10,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2022-10-16 16:59:10,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 326. [2022-10-16 16:59:10,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 292 states have (on average 1.345890410958904) internal successors, (393), 295 states have internal predecessors, (393), 18 states have call successors, (18), 12 states have call predecessors, (18), 12 states have return successors, (26), 18 states have call predecessors, (26), 18 states have call successors, (26) [2022-10-16 16:59:10,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 437 transitions. [2022-10-16 16:59:10,862 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 437 transitions. Word has length 26 [2022-10-16 16:59:10,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:10,863 INFO L495 AbstractCegarLoop]: Abstraction has 326 states and 437 transitions. [2022-10-16 16:59:10,863 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 16:59:10,863 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 437 transitions. [2022-10-16 16:59:10,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-16 16:59:10,865 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:10,882 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 16:59:10,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:59:10,882 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 16:59:10,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:10,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1819135785, now seen corresponding path program 1 times [2022-10-16 16:59:10,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:10,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359712485] [2022-10-16 16:59:10,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:10,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:10,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:10,985 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 16:59:10,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:10,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359712485] [2022-10-16 16:59:10,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359712485] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:10,987 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:10,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:59:10,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707508876] [2022-10-16 16:59:10,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:10,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:59:10,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:10,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:59:10,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:59:10,991 INFO L87 Difference]: Start difference. First operand 326 states and 437 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 16:59:11,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:11,055 INFO L93 Difference]: Finished difference Result 848 states and 1137 transitions. [2022-10-16 16:59:11,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:59:11,056 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 16:59:11,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:11,063 INFO L225 Difference]: With dead ends: 848 [2022-10-16 16:59:11,063 INFO L226 Difference]: Without dead ends: 530 [2022-10-16 16:59:11,065 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 16:59:11,072 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 71 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 188 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 16:59:11,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 188 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:11,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2022-10-16 16:59:11,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 512. [2022-10-16 16:59:11,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 458 states have (on average 1.334061135371179) internal successors, (611), 463 states have internal predecessors, (611), 30 states have call successors, (30), 20 states have call predecessors, (30), 20 states have return successors, (43), 28 states have call predecessors, (43), 30 states have call successors, (43) [2022-10-16 16:59:11,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 684 transitions. [2022-10-16 16:59:11,151 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 684 transitions. Word has length 26 [2022-10-16 16:59:11,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:11,152 INFO L495 AbstractCegarLoop]: Abstraction has 512 states and 684 transitions. [2022-10-16 16:59:11,152 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 16:59:11,152 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 684 transitions. [2022-10-16 16:59:11,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-16 16:59:11,162 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:11,162 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] [2022-10-16 16:59:11,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:59:11,165 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:11,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:11,167 INFO L85 PathProgramCache]: Analyzing trace with hash 956305438, now seen corresponding path program 1 times [2022-10-16 16:59:11,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:11,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946153779] [2022-10-16 16:59:11,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:11,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:11,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:11,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 16:59:11,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:11,311 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 16:59:11,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:11,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946153779] [2022-10-16 16:59:11,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946153779] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:11,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:11,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:59:11,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770418984] [2022-10-16 16:59:11,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:11,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:59:11,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:11,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:59:11,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:59:11,316 INFO L87 Difference]: Start difference. First operand 512 states and 684 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (2), 1 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 16:59:11,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:11,408 INFO L93 Difference]: Finished difference Result 1188 states and 1590 transitions. [2022-10-16 16:59:11,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:59:11,409 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (2), 1 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 43 [2022-10-16 16:59:11,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:11,416 INFO L225 Difference]: With dead ends: 1188 [2022-10-16 16:59:11,417 INFO L226 Difference]: Without dead ends: 684 [2022-10-16 16:59:11,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 16:59:11,426 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 59 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:11,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 244 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:11,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2022-10-16 16:59:11,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 682. [2022-10-16 16:59:11,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 606 states have (on average 1.2904290429042904) internal successors, (782), 611 states have internal predecessors, (782), 44 states have call successors, (44), 28 states have call predecessors, (44), 28 states have return successors, (66), 42 states have call predecessors, (66), 44 states have call successors, (66) [2022-10-16 16:59:11,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 892 transitions. [2022-10-16 16:59:11,500 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 892 transitions. Word has length 43 [2022-10-16 16:59:11,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:11,501 INFO L495 AbstractCegarLoop]: Abstraction has 682 states and 892 transitions. [2022-10-16 16:59:11,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (2), 1 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 16:59:11,502 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 892 transitions. [2022-10-16 16:59:11,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-16 16:59:11,505 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:11,507 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 16:59:11,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:59:11,507 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 16:59:11,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:11,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1379112078, now seen corresponding path program 1 times [2022-10-16 16:59:11,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:11,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226443777] [2022-10-16 16:59:11,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:11,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:11,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:11,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:11,679 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 16:59:11,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:11,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226443777] [2022-10-16 16:59:11,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226443777] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:11,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:11,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:59:11,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912245216] [2022-10-16 16:59:11,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:11,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:59:11,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:11,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:59:11,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:11,683 INFO L87 Difference]: Start difference. First operand 682 states and 892 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 16:59:11,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:11,909 INFO L93 Difference]: Finished difference Result 1371 states and 1806 transitions. [2022-10-16 16:59:11,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:59:11,910 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 16:59:11,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:11,916 INFO L225 Difference]: With dead ends: 1371 [2022-10-16 16:59:11,917 INFO L226 Difference]: Without dead ends: 853 [2022-10-16 16:59:11,918 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 16:59:11,922 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 89 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:11,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 444 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:59:11,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2022-10-16 16:59:12,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 744. [2022-10-16 16:59:12,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 744 states, 662 states have (on average 1.2719033232628398) internal successors, (842), 673 states have internal predecessors, (842), 44 states have call successors, (44), 28 states have call predecessors, (44), 34 states have return successors, (72), 42 states have call predecessors, (72), 44 states have call successors, (72) [2022-10-16 16:59:12,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 958 transitions. [2022-10-16 16:59:12,028 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 958 transitions. Word has length 45 [2022-10-16 16:59:12,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:12,029 INFO L495 AbstractCegarLoop]: Abstraction has 744 states and 958 transitions. [2022-10-16 16:59:12,029 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 16:59:12,029 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 958 transitions. [2022-10-16 16:59:12,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-16 16:59:12,030 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:12,030 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 16:59:12,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:59:12,031 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 16:59:12,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:12,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1904737968, now seen corresponding path program 1 times [2022-10-16 16:59:12,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:12,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354410028] [2022-10-16 16:59:12,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:12,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:12,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:12,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:12,159 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 16:59:12,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:12,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354410028] [2022-10-16 16:59:12,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354410028] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:12,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:12,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:59:12,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36338278] [2022-10-16 16:59:12,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:12,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:59:12,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:12,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:59:12,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:12,167 INFO L87 Difference]: Start difference. First operand 744 states and 958 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 16:59:12,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:12,371 INFO L93 Difference]: Finished difference Result 1301 states and 1691 transitions. [2022-10-16 16:59:12,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 16:59:12,371 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 16:59:12,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:12,377 INFO L225 Difference]: With dead ends: 1301 [2022-10-16 16:59:12,377 INFO L226 Difference]: Without dead ends: 812 [2022-10-16 16:59:12,379 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 16:59:12,381 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 50 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:12,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 400 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:59:12,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2022-10-16 16:59:12,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 748. [2022-10-16 16:59:12,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 668 states have (on average 1.2529940119760479) internal successors, (837), 677 states have internal predecessors, (837), 44 states have call successors, (44), 28 states have call predecessors, (44), 32 states have return successors, (68), 42 states have call predecessors, (68), 44 states have call successors, (68) [2022-10-16 16:59:12,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 949 transitions. [2022-10-16 16:59:12,474 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 949 transitions. Word has length 45 [2022-10-16 16:59:12,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:12,476 INFO L495 AbstractCegarLoop]: Abstraction has 748 states and 949 transitions. [2022-10-16 16:59:12,477 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 16:59:12,477 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 949 transitions. [2022-10-16 16:59:12,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-16 16:59:12,478 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:12,478 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 16:59:12,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:59:12,479 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:12,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:12,480 INFO L85 PathProgramCache]: Analyzing trace with hash 1095391342, now seen corresponding path program 1 times [2022-10-16 16:59:12,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:12,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974941189] [2022-10-16 16:59:12,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:12,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:12,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:12,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:12,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:12,562 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 16:59:12,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:12,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974941189] [2022-10-16 16:59:12,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974941189] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:12,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:12,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:59:12,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78927880] [2022-10-16 16:59:12,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:12,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:59:12,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:12,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:59:12,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:59:12,566 INFO L87 Difference]: Start difference. First operand 748 states and 949 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 16:59:12,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:12,736 INFO L93 Difference]: Finished difference Result 1353 states and 1710 transitions. [2022-10-16 16:59:12,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:59:12,737 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 16:59:12,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:12,743 INFO L225 Difference]: With dead ends: 1353 [2022-10-16 16:59:12,743 INFO L226 Difference]: Without dead ends: 769 [2022-10-16 16:59:12,744 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 16:59:12,747 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 126 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:12,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 285 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:59:12,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2022-10-16 16:59:12,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 708. [2022-10-16 16:59:12,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 708 states, 630 states have (on average 1.234920634920635) internal successors, (778), 642 states have internal predecessors, (778), 43 states have call successors, (43), 27 states have call predecessors, (43), 31 states have return successors, (66), 38 states have call predecessors, (66), 43 states have call successors, (66) [2022-10-16 16:59:12,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 887 transitions. [2022-10-16 16:59:12,815 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 887 transitions. Word has length 45 [2022-10-16 16:59:12,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:12,816 INFO L495 AbstractCegarLoop]: Abstraction has 708 states and 887 transitions. [2022-10-16 16:59:12,816 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 16:59:12,816 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 887 transitions. [2022-10-16 16:59:12,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 16:59:12,818 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:12,818 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 16:59:12,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:59:12,818 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:12,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:12,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1261530303, now seen corresponding path program 1 times [2022-10-16 16:59:12,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:12,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186163658] [2022-10-16 16:59:12,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:12,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:12,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:12,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:12,909 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 16:59:12,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:12,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186163658] [2022-10-16 16:59:12,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186163658] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:12,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:12,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:59:12,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667156428] [2022-10-16 16:59:12,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:12,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:59:12,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:12,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:59:12,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:59:12,911 INFO L87 Difference]: Start difference. First operand 708 states and 887 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 16:59:13,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:13,079 INFO L93 Difference]: Finished difference Result 979 states and 1229 transitions. [2022-10-16 16:59:13,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:59:13,079 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 16:59:13,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:13,085 INFO L225 Difference]: With dead ends: 979 [2022-10-16 16:59:13,085 INFO L226 Difference]: Without dead ends: 977 [2022-10-16 16:59:13,086 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 16:59:13,086 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 117 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:13,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 252 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:59:13,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2022-10-16 16:59:13,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 907. [2022-10-16 16:59:13,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 809 states have (on average 1.2398022249690976) internal successors, (1003), 824 states have internal predecessors, (1003), 54 states have call successors, (54), 34 states have call predecessors, (54), 40 states have return successors, (84), 48 states have call predecessors, (84), 54 states have call successors, (84) [2022-10-16 16:59:13,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1141 transitions. [2022-10-16 16:59:13,165 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1141 transitions. Word has length 51 [2022-10-16 16:59:13,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:13,165 INFO L495 AbstractCegarLoop]: Abstraction has 907 states and 1141 transitions. [2022-10-16 16:59:13,165 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 16:59:13,166 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1141 transitions. [2022-10-16 16:59:13,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 16:59:13,167 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:13,167 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 16:59:13,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:59:13,168 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 16:59:13,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:13,169 INFO L85 PathProgramCache]: Analyzing trace with hash -27644263, now seen corresponding path program 1 times [2022-10-16 16:59:13,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:13,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482411725] [2022-10-16 16:59:13,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:13,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:13,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:13,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:13,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 16:59:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:13,298 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 16:59:13,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:13,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482411725] [2022-10-16 16:59:13,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482411725] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:13,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:13,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:59:13,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123793104] [2022-10-16 16:59:13,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:13,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:59:13,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:13,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:59:13,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:59:13,305 INFO L87 Difference]: Start difference. First operand 907 states and 1141 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 16:59:13,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:13,463 INFO L93 Difference]: Finished difference Result 1761 states and 2214 transitions. [2022-10-16 16:59:13,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:59:13,464 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 16:59:13,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:13,470 INFO L225 Difference]: With dead ends: 1761 [2022-10-16 16:59:13,470 INFO L226 Difference]: Without dead ends: 997 [2022-10-16 16:59:13,472 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 16:59:13,473 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 111 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:13,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 346 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:59:13,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2022-10-16 16:59:13,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 907. [2022-10-16 16:59:13,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 809 states have (on average 1.2249690976514216) internal successors, (991), 824 states have internal predecessors, (991), 54 states have call successors, (54), 34 states have call predecessors, (54), 40 states have return successors, (82), 48 states have call predecessors, (82), 54 states have call successors, (82) [2022-10-16 16:59:13,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1127 transitions. [2022-10-16 16:59:13,556 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1127 transitions. Word has length 60 [2022-10-16 16:59:13,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:13,557 INFO L495 AbstractCegarLoop]: Abstraction has 907 states and 1127 transitions. [2022-10-16 16:59:13,557 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 16:59:13,557 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1127 transitions. [2022-10-16 16:59:13,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 16:59:13,561 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:13,561 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 16:59:13,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:59:13,562 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 16:59:13,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:13,562 INFO L85 PathProgramCache]: Analyzing trace with hash 13030487, now seen corresponding path program 1 times [2022-10-16 16:59:13,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:13,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498881405] [2022-10-16 16:59:13,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:13,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:13,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:13,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:13,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 16:59:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:13,650 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 16:59:13,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:13,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498881405] [2022-10-16 16:59:13,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498881405] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:13,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:13,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:59:13,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96262408] [2022-10-16 16:59:13,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:13,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:59:13,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:13,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:59:13,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:59:13,660 INFO L87 Difference]: Start difference. First operand 907 states and 1127 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 16:59:13,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:13,771 INFO L93 Difference]: Finished difference Result 969 states and 1199 transitions. [2022-10-16 16:59:13,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:59:13,771 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 16:59:13,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:13,777 INFO L225 Difference]: With dead ends: 969 [2022-10-16 16:59:13,777 INFO L226 Difference]: Without dead ends: 832 [2022-10-16 16:59:13,778 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 16:59:13,779 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 126 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:13,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 149 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:13,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2022-10-16 16:59:13,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 772. [2022-10-16 16:59:13,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 690 states have (on average 1.2304347826086957) internal successors, (849), 704 states have internal predecessors, (849), 44 states have call successors, (44), 28 states have call predecessors, (44), 34 states have return successors, (68), 39 states have call predecessors, (68), 44 states have call successors, (68) [2022-10-16 16:59:13,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 961 transitions. [2022-10-16 16:59:13,897 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 961 transitions. Word has length 60 [2022-10-16 16:59:13,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:13,898 INFO L495 AbstractCegarLoop]: Abstraction has 772 states and 961 transitions. [2022-10-16 16:59:13,898 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 16:59:13,899 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 961 transitions. [2022-10-16 16:59:13,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 16:59:13,900 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:13,900 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 16:59:13,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:59:13,901 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 16:59:13,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:13,901 INFO L85 PathProgramCache]: Analyzing trace with hash -560370784, now seen corresponding path program 1 times [2022-10-16 16:59:13,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:13,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541418369] [2022-10-16 16:59:13,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:13,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:13,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:13,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:13,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-10-16 16:59:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:13,989 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 16:59:13,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:13,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541418369] [2022-10-16 16:59:13,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541418369] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:13,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:13,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:59:13,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672698485] [2022-10-16 16:59:13,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:13,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:59:13,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:13,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:59:13,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:59:13,992 INFO L87 Difference]: Start difference. First operand 772 states and 961 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 16:59:14,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:14,143 INFO L93 Difference]: Finished difference Result 1222 states and 1506 transitions. [2022-10-16 16:59:14,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:59:14,143 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 16:59:14,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:14,145 INFO L225 Difference]: With dead ends: 1222 [2022-10-16 16:59:14,145 INFO L226 Difference]: Without dead ends: 322 [2022-10-16 16:59:14,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 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 16:59:14,149 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 145 mSDsluCounter, 244 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:14,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 394 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:59:14,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2022-10-16 16:59:14,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 311. [2022-10-16 16:59:14,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 277 states have (on average 1.1407942238267148) internal successors, (316), 282 states have internal predecessors, (316), 18 states have call successors, (18), 12 states have call predecessors, (18), 12 states have return successors, (18), 16 states have call predecessors, (18), 18 states have call successors, (18) [2022-10-16 16:59:14,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 352 transitions. [2022-10-16 16:59:14,178 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 352 transitions. Word has length 61 [2022-10-16 16:59:14,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:14,179 INFO L495 AbstractCegarLoop]: Abstraction has 311 states and 352 transitions. [2022-10-16 16:59:14,179 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 16:59:14,179 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 352 transitions. [2022-10-16 16:59:14,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 16:59:14,180 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:14,180 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 16:59:14,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:59:14,181 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:14,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:14,181 INFO L85 PathProgramCache]: Analyzing trace with hash 229806504, now seen corresponding path program 1 times [2022-10-16 16:59:14,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:14,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477631335] [2022-10-16 16:59:14,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:14,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:14,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:14,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:14,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 16:59:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:14,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 16:59:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:14,304 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 16:59:14,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:14,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477631335] [2022-10-16 16:59:14,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477631335] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:14,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738881957] [2022-10-16 16:59:14,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:14,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:14,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:14,314 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 16:59:14,336 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 16:59:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:14,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 16:59:14,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:14,622 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 16:59:14,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 16:59:14,749 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 16:59:14,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738881957] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 16:59:14,750 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 16:59:14,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2022-10-16 16:59:14,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528612609] [2022-10-16 16:59:14,753 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 16:59:14,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:59:14,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:14,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:59:14,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:59:14,755 INFO L87 Difference]: Start difference. First operand 311 states and 352 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 16:59:14,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:14,994 INFO L93 Difference]: Finished difference Result 697 states and 796 transitions. [2022-10-16 16:59:14,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:59:14,995 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 16:59:14,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:14,999 INFO L225 Difference]: With dead ends: 697 [2022-10-16 16:59:14,999 INFO L226 Difference]: Without dead ends: 696 [2022-10-16 16:59:15,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 183 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 16:59:15,001 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 390 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:15,001 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 523 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:59:15,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 696 states. [2022-10-16 16:59:15,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 696 to 674. [2022-10-16 16:59:15,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 674 states, 605 states have (on average 1.1504132231404958) internal successors, (696), 615 states have internal predecessors, (696), 38 states have call successors, (38), 27 states have call predecessors, (38), 27 states have return successors, (38), 31 states have call predecessors, (38), 38 states have call successors, (38) [2022-10-16 16:59:15,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 772 transitions. [2022-10-16 16:59:15,074 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 772 transitions. Word has length 88 [2022-10-16 16:59:15,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:15,075 INFO L495 AbstractCegarLoop]: Abstraction has 674 states and 772 transitions. [2022-10-16 16:59:15,075 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 16:59:15,075 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 772 transitions. [2022-10-16 16:59:15,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 16:59:15,084 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:15,084 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 16:59:15,115 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 16:59:15,297 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,SelfDestructingSolverStorable13 [2022-10-16 16:59:15,298 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:15,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:15,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1465932792, now seen corresponding path program 1 times [2022-10-16 16:59:15,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:15,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394015179] [2022-10-16 16:59:15,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:15,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 16:59:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 16:59:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,406 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 16:59:15,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:15,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394015179] [2022-10-16 16:59:15,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394015179] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:15,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541743264] [2022-10-16 16:59:15,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:15,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:15,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:15,411 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 16:59:15,431 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 16:59:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 16:59:15,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:15,642 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 16:59:15,642 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:59:15,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1541743264] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:15,643 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:59:15,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-10-16 16:59:15,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454131730] [2022-10-16 16:59:15,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:15,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:59:15,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:15,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:59:15,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:15,647 INFO L87 Difference]: Start difference. First operand 674 states and 772 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 16:59:15,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:15,724 INFO L93 Difference]: Finished difference Result 674 states and 772 transitions. [2022-10-16 16:59:15,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:59:15,724 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 16:59:15,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:15,728 INFO L225 Difference]: With dead ends: 674 [2022-10-16 16:59:15,728 INFO L226 Difference]: Without dead ends: 673 [2022-10-16 16:59:15,730 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 16:59:15,731 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 80 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:15,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 160 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:15,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2022-10-16 16:59:15,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 673. [2022-10-16 16:59:15,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 605 states have (on average 1.140495867768595) internal successors, (690), 614 states have internal predecessors, (690), 38 states have call successors, (38), 27 states have call predecessors, (38), 27 states have return successors, (38), 31 states have call predecessors, (38), 38 states have call successors, (38) [2022-10-16 16:59:15,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 766 transitions. [2022-10-16 16:59:15,804 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 766 transitions. Word has length 89 [2022-10-16 16:59:15,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:15,805 INFO L495 AbstractCegarLoop]: Abstraction has 673 states and 766 transitions. [2022-10-16 16:59:15,805 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 16:59:15,805 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 766 transitions. [2022-10-16 16:59:15,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 16:59:15,807 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:15,807 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 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 16:59:15,840 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 16:59:16,021 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,SelfDestructingSolverStorable14 [2022-10-16 16:59:16,022 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 16:59:16,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:16,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1962421087, now seen corresponding path program 1 times [2022-10-16 16:59:16,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:16,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708033067] [2022-10-16 16:59:16,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:16,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:16,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:16,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:16,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:16,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 16:59:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:16,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 16:59:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:16,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 16:59:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:16,138 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-10-16 16:59:16,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:16,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708033067] [2022-10-16 16:59:16,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708033067] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:16,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:16,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:59:16,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964878280] [2022-10-16 16:59:16,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:16,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:59:16,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:16,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:59:16,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:59:16,141 INFO L87 Difference]: Start difference. First operand 673 states and 766 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 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 16:59:16,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:16,251 INFO L93 Difference]: Finished difference Result 1080 states and 1235 transitions. [2022-10-16 16:59:16,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:59:16,252 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 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 115 [2022-10-16 16:59:16,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:16,256 INFO L225 Difference]: With dead ends: 1080 [2022-10-16 16:59:16,256 INFO L226 Difference]: Without dead ends: 664 [2022-10-16 16:59:16,257 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 16:59:16,258 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 103 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:16,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 245 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:16,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2022-10-16 16:59:16,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 664. [2022-10-16 16:59:16,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 664 states, 596 states have (on average 1.1325503355704698) internal successors, (675), 605 states have internal predecessors, (675), 38 states have call successors, (38), 27 states have call predecessors, (38), 27 states have return successors, (38), 31 states have call predecessors, (38), 38 states have call successors, (38) [2022-10-16 16:59:16,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 751 transitions. [2022-10-16 16:59:16,328 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 751 transitions. Word has length 115 [2022-10-16 16:59:16,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:16,329 INFO L495 AbstractCegarLoop]: Abstraction has 664 states and 751 transitions. [2022-10-16 16:59:16,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 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 16:59:16,329 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 751 transitions. [2022-10-16 16:59:16,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 16:59:16,331 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:16,331 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 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 16:59:16,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:59:16,332 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 16:59:16,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:16,332 INFO L85 PathProgramCache]: Analyzing trace with hash -75497218, now seen corresponding path program 2 times [2022-10-16 16:59:16,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:16,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600487040] [2022-10-16 16:59:16,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:16,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:16,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:16,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:16,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 16:59:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:16,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 16:59:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:16,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 16:59:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:16,433 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 48 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 16:59:16,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:16,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600487040] [2022-10-16 16:59:16,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600487040] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:16,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533911027] [2022-10-16 16:59:16,434 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 16:59:16,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:16,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:16,439 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 16:59:16,440 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 16:59:16,502 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 16:59:16,502 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 16:59:16,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 16:59:16,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:16,534 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2022-10-16 16:59:16,534 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:59:16,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533911027] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:16,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:59:16,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 16:59:16,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782012677] [2022-10-16 16:59:16,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:16,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:59:16,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:16,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:59:16,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:16,537 INFO L87 Difference]: Start difference. First operand 664 states and 751 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 16:59:16,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:16,608 INFO L93 Difference]: Finished difference Result 1098 states and 1244 transitions. [2022-10-16 16:59:16,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:59:16,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 115 [2022-10-16 16:59:16,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:16,612 INFO L225 Difference]: With dead ends: 1098 [2022-10-16 16:59:16,613 INFO L226 Difference]: Without dead ends: 609 [2022-10-16 16:59:16,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:16,614 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 71 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:16,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 225 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:16,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2022-10-16 16:59:16,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 604. [2022-10-16 16:59:16,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 542 states have (on average 1.1273062730627306) internal successors, (611), 548 states have internal predecessors, (611), 35 states have call successors, (35), 24 states have call predecessors, (35), 24 states have return successors, (35), 31 states have call predecessors, (35), 35 states have call successors, (35) [2022-10-16 16:59:16,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 681 transitions. [2022-10-16 16:59:16,696 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 681 transitions. Word has length 115 [2022-10-16 16:59:16,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:16,697 INFO L495 AbstractCegarLoop]: Abstraction has 604 states and 681 transitions. [2022-10-16 16:59:16,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 1 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 16:59:16,697 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 681 transitions. [2022-10-16 16:59:16,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 16:59:16,698 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:16,699 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] [2022-10-16 16:59:16,736 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 16:59:16,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:16,912 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 16:59:16,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:16,913 INFO L85 PathProgramCache]: Analyzing trace with hash -73979799, now seen corresponding path program 1 times [2022-10-16 16:59:16,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:16,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628866660] [2022-10-16 16:59:16,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:16,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:16,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:16,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:16,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:16,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 16:59:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:16,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 16:59:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:16,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 16:59:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:17,004 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 44 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 16:59:17,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:17,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628866660] [2022-10-16 16:59:17,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628866660] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:17,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427945250] [2022-10-16 16:59:17,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:17,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:17,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:17,007 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 16:59:17,030 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 16:59:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:17,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 16:59:17,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:17,165 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 16:59:17,166 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:59:17,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427945250] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:17,166 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:59:17,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2022-10-16 16:59:17,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991806910] [2022-10-16 16:59:17,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:17,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:59:17,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:17,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:59:17,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:59:17,168 INFO L87 Difference]: Start difference. First operand 604 states and 681 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 16:59:17,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:17,225 INFO L93 Difference]: Finished difference Result 912 states and 1041 transitions. [2022-10-16 16:59:17,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:59:17,226 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 115 [2022-10-16 16:59:17,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:17,229 INFO L225 Difference]: With dead ends: 912 [2022-10-16 16:59:17,230 INFO L226 Difference]: Without dead ends: 532 [2022-10-16 16:59:17,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:59:17,231 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 35 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:17,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 202 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:17,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2022-10-16 16:59:17,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 532. [2022-10-16 16:59:17,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 476 states have (on average 1.1197478991596639) internal successors, (533), 479 states have internal predecessors, (533), 32 states have call successors, (32), 21 states have call predecessors, (32), 21 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2022-10-16 16:59:17,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 597 transitions. [2022-10-16 16:59:17,283 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 597 transitions. Word has length 115 [2022-10-16 16:59:17,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:17,283 INFO L495 AbstractCegarLoop]: Abstraction has 532 states and 597 transitions. [2022-10-16 16:59:17,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 16:59:17,284 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 597 transitions. [2022-10-16 16:59:17,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-16 16:59:17,285 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:17,285 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 16:59:17,321 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 16:59:17,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-10-16 16:59:17,501 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 16:59:17,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:17,502 INFO L85 PathProgramCache]: Analyzing trace with hash -135745502, now seen corresponding path program 1 times [2022-10-16 16:59:17,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:17,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256486602] [2022-10-16 16:59:17,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:17,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:17,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:17,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:17,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:17,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 16:59:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:17,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 16:59:17,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:17,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 16:59:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:17,614 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 16:59:17,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:17,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256486602] [2022-10-16 16:59:17,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256486602] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:17,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239605583] [2022-10-16 16:59:17,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:17,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:17,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:17,616 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 16:59:17,629 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 16:59:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:17,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 16:59:17,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:17,873 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 16:59:17,874 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 16:59:17,965 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 16:59:17,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239605583] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 16:59:17,966 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 16:59:17,966 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2022-10-16 16:59:17,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286508565] [2022-10-16 16:59:17,967 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 16:59:17,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 16:59:17,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:17,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 16:59:17,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:59:17,968 INFO L87 Difference]: Start difference. First operand 532 states and 597 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 16:59:18,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:18,189 INFO L93 Difference]: Finished difference Result 583 states and 653 transitions. [2022-10-16 16:59:18,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:59:18,189 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 16:59:18,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:18,192 INFO L225 Difference]: With dead ends: 583 [2022-10-16 16:59:18,193 INFO L226 Difference]: Without dead ends: 582 [2022-10-16 16:59:18,193 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 16:59:18,194 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 353 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:18,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 506 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:59:18,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2022-10-16 16:59:18,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2022-10-16 16:59:18,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 521 states have (on average 1.1132437619961613) internal successors, (580), 524 states have internal predecessors, (580), 35 states have call successors, (35), 23 states have call predecessors, (35), 23 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2022-10-16 16:59:18,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 650 transitions. [2022-10-16 16:59:18,249 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 650 transitions. Word has length 116 [2022-10-16 16:59:18,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:18,250 INFO L495 AbstractCegarLoop]: Abstraction has 582 states and 650 transitions. [2022-10-16 16:59:18,250 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 16:59:18,250 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 650 transitions. [2022-10-16 16:59:18,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-16 16:59:18,252 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:18,252 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 16:59:18,287 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 16:59:18,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:18,466 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 16:59:18,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:18,467 INFO L85 PathProgramCache]: Analyzing trace with hash 86856962, now seen corresponding path program 1 times [2022-10-16 16:59:18,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:18,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390834272] [2022-10-16 16:59:18,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:18,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:18,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:18,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:18,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:18,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 16:59:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:18,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 16:59:18,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:18,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 16:59:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:18,593 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 16:59:18,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:18,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390834272] [2022-10-16 16:59:18,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390834272] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:18,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104038982] [2022-10-16 16:59:18,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:18,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:18,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:18,600 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 16:59:18,621 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 16:59:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:18,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 16:59:18,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:18,816 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 16:59:18,817 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:59:18,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104038982] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:18,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:59:18,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-10-16 16:59:18,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358706328] [2022-10-16 16:59:18,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:18,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:59:18,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:18,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:59:18,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:18,821 INFO L87 Difference]: Start difference. First operand 582 states and 650 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 16:59:18,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:18,910 INFO L93 Difference]: Finished difference Result 582 states and 650 transitions. [2022-10-16 16:59:18,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:59:18,911 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 16:59:18,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:18,914 INFO L225 Difference]: With dead ends: 582 [2022-10-16 16:59:18,914 INFO L226 Difference]: Without dead ends: 581 [2022-10-16 16:59:18,914 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 16:59:18,916 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 60 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:18,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 216 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:18,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2022-10-16 16:59:18,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 581. [2022-10-16 16:59:18,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 521 states have (on average 1.107485604606526) internal successors, (577), 523 states have internal predecessors, (577), 35 states have call successors, (35), 23 states have call predecessors, (35), 23 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2022-10-16 16:59:18,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 647 transitions. [2022-10-16 16:59:18,985 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 647 transitions. Word has length 117 [2022-10-16 16:59:18,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:18,986 INFO L495 AbstractCegarLoop]: Abstraction has 581 states and 647 transitions. [2022-10-16 16:59:18,986 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 16:59:18,986 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 647 transitions. [2022-10-16 16:59:18,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-10-16 16:59:18,993 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:18,993 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 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, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:19,035 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 16:59:19,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:19,206 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 16:59:19,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:19,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1070890117, now seen corresponding path program 1 times [2022-10-16 16:59:19,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:19,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416287930] [2022-10-16 16:59:19,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:19,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:19,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:19,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:19,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:19,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 16:59:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:19,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 16:59:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:19,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 16:59:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:19,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-16 16:59:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:19,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-16 16:59:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:19,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-10-16 16:59:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:19,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-10-16 16:59:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:19,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-10-16 16:59:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:19,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-10-16 16:59:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:19,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-10-16 16:59:19,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:19,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-10-16 16:59:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:19,376 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 187 proven. 49 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2022-10-16 16:59:19,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:19,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416287930] [2022-10-16 16:59:19,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416287930] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:19,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132051225] [2022-10-16 16:59:19,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:19,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:19,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:19,378 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 16:59:19,404 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 16:59:19,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:19,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 827 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 16:59:19,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:19,623 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 452 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-10-16 16:59:19,623 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:59:19,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132051225] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:19,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:59:19,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2022-10-16 16:59:19,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726666271] [2022-10-16 16:59:19,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:19,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:59:19,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:19,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:59:19,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:59:19,633 INFO L87 Difference]: Start difference. First operand 581 states and 647 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-16 16:59:19,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:19,721 INFO L93 Difference]: Finished difference Result 986 states and 1104 transitions. [2022-10-16 16:59:19,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:59:19,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 283 [2022-10-16 16:59:19,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:19,725 INFO L225 Difference]: With dead ends: 986 [2022-10-16 16:59:19,725 INFO L226 Difference]: Without dead ends: 576 [2022-10-16 16:59:19,726 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:59:19,727 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 31 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:19,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 222 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:19,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2022-10-16 16:59:19,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 571. [2022-10-16 16:59:19,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 511 states have (on average 1.091976516634051) internal successors, (558), 513 states have internal predecessors, (558), 35 states have call successors, (35), 23 states have call predecessors, (35), 23 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2022-10-16 16:59:19,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 628 transitions. [2022-10-16 16:59:19,789 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 628 transitions. Word has length 283 [2022-10-16 16:59:19,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:19,789 INFO L495 AbstractCegarLoop]: Abstraction has 571 states and 628 transitions. [2022-10-16 16:59:19,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-16 16:59:19,790 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 628 transitions. [2022-10-16 16:59:19,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-10-16 16:59:19,795 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:19,795 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 16:59:19,833 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 16:59:20,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:20,009 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 16:59:20,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:20,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1984525896, now seen corresponding path program 2 times [2022-10-16 16:59:20,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:20,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778226120] [2022-10-16 16:59:20,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:20,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:20,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:20,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:20,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:20,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 16:59:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:20,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 16:59:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:20,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 16:59:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:20,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-16 16:59:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:20,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-10-16 16:59:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:20,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-10-16 16:59:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:20,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-10-16 16:59:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:20,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-10-16 16:59:20,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:20,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-10-16 16:59:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:20,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-10-16 16:59:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:20,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-10-16 16:59:20,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:20,252 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 16:59:20,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:20,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778226120] [2022-10-16 16:59:20,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778226120] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:20,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769538034] [2022-10-16 16:59:20,253 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 16:59:20,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:20,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:20,254 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 16:59:20,272 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 16:59:20,422 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 16:59:20,423 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 16:59:20,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 839 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 16:59:20,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:20,471 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 16:59:20,471 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:59:20,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769538034] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:20,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:59:20,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-10-16 16:59:20,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616852649] [2022-10-16 16:59:20,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:20,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:59:20,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:20,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:59:20,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:59:20,474 INFO L87 Difference]: Start difference. First operand 571 states and 628 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 16:59:20,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:20,546 INFO L93 Difference]: Finished difference Result 942 states and 1037 transitions. [2022-10-16 16:59:20,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:59:20,546 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 16:59:20,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:20,550 INFO L225 Difference]: With dead ends: 942 [2022-10-16 16:59:20,550 INFO L226 Difference]: Without dead ends: 559 [2022-10-16 16:59:20,551 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 16:59:20,552 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 57 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:20,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 118 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:20,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2022-10-16 16:59:20,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 559. [2022-10-16 16:59:20,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 499 states have (on average 1.0781563126252505) internal successors, (538), 501 states have internal predecessors, (538), 35 states have call successors, (35), 23 states have call predecessors, (35), 23 states have return successors, (35), 34 states have call predecessors, (35), 35 states have call successors, (35) [2022-10-16 16:59:20,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 608 transitions. [2022-10-16 16:59:20,616 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 608 transitions. Word has length 283 [2022-10-16 16:59:20,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:20,617 INFO L495 AbstractCegarLoop]: Abstraction has 559 states and 608 transitions. [2022-10-16 16:59:20,617 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 16:59:20,617 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 608 transitions. [2022-10-16 16:59:20,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-10-16 16:59:20,622 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:20,622 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 16:59:20,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-16 16:59:20,837 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,SelfDestructingSolverStorable21 [2022-10-16 16:59:20,837 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:20,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:20,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1232650711, now seen corresponding path program 1 times [2022-10-16 16:59:20,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:20,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311915977] [2022-10-16 16:59:20,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:20,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:21,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:21,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:21,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 16:59:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:21,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 16:59:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:21,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 16:59:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:21,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-16 16:59:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:21,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 16:59:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:21,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-10-16 16:59:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:21,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-16 16:59:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:21,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-10-16 16:59:21,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:21,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-10-16 16:59:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:21,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-16 16:59:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:21,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-10-16 16:59:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:21,274 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 16:59:21,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:21,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311915977] [2022-10-16 16:59:21,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311915977] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:21,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1315989458] [2022-10-16 16:59:21,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:21,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:21,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:21,276 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 16:59:21,293 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 16:59:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:21,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 833 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 16:59:21,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:21,840 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 16:59:21,840 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 16:59:22,068 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 16:59:22,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1315989458] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 16:59:22,068 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 16:59:22,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 13 [2022-10-16 16:59:22,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071440522] [2022-10-16 16:59:22,069 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 16:59:22,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 16:59:22,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:22,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 16:59:22,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2022-10-16 16:59:22,071 INFO L87 Difference]: Start difference. First operand 559 states and 608 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 16:59:22,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:22,658 INFO L93 Difference]: Finished difference Result 1093 states and 1191 transitions. [2022-10-16 16:59:22,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 16:59:22,659 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 16:59:22,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:22,665 INFO L225 Difference]: With dead ends: 1093 [2022-10-16 16:59:22,665 INFO L226 Difference]: Without dead ends: 1092 [2022-10-16 16:59:22,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 622 GetRequests, 600 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 16:59:22,667 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 1382 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1392 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:22,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1392 Valid, 852 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:59:22,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2022-10-16 16:59:22,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1087. [2022-10-16 16:59:22,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1087 states, 972 states have (on average 1.0792181069958848) internal successors, (1049), 974 states have internal predecessors, (1049), 68 states have call successors, (68), 45 states have call predecessors, (68), 45 states have return successors, (68), 67 states have call predecessors, (68), 68 states have call successors, (68) [2022-10-16 16:59:22,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1087 states to 1087 states and 1185 transitions. [2022-10-16 16:59:22,790 INFO L78 Accepts]: Start accepts. Automaton has 1087 states and 1185 transitions. Word has length 286 [2022-10-16 16:59:22,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:22,791 INFO L495 AbstractCegarLoop]: Abstraction has 1087 states and 1185 transitions. [2022-10-16 16:59:22,791 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 16:59:22,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1185 transitions. [2022-10-16 16:59:22,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2022-10-16 16:59:22,797 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:22,797 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 16:59:22,832 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 16:59:23,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:23,014 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 16:59:23,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:23,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1501921571, now seen corresponding path program 1 times [2022-10-16 16:59:23,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:23,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069777140] [2022-10-16 16:59:23,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:23,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:23,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:23,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:23,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 16:59:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:23,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 16:59:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:23,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 16:59:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:23,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-16 16:59:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:23,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 16:59:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:23,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-10-16 16:59:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:23,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-16 16:59:23,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:23,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-10-16 16:59:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:23,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-10-16 16:59:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:23,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-16 16:59:23,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:23,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-10-16 16:59:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:23,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-10-16 16:59:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:23,210 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 16:59:23,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:23,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069777140] [2022-10-16 16:59:23,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069777140] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:23,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:23,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:59:23,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114649521] [2022-10-16 16:59:23,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:23,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:59:23,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:23,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:59:23,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:59:23,213 INFO L87 Difference]: Start difference. First operand 1087 states and 1185 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 16:59:23,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:23,411 INFO L93 Difference]: Finished difference Result 1087 states and 1185 transitions. [2022-10-16 16:59:23,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:59:23,412 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 16:59:23,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:23,418 INFO L225 Difference]: With dead ends: 1087 [2022-10-16 16:59:23,418 INFO L226 Difference]: Without dead ends: 1086 [2022-10-16 16:59:23,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 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 16:59:23,419 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 167 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:23,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 191 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:23,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states. [2022-10-16 16:59:23,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 1086. [2022-10-16 16:59:23,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 972 states have (on average 1.073045267489712) internal successors, (1043), 973 states have internal predecessors, (1043), 68 states have call successors, (68), 45 states have call predecessors, (68), 45 states have return successors, (68), 67 states have call predecessors, (68), 68 states have call successors, (68) [2022-10-16 16:59:23,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1179 transitions. [2022-10-16 16:59:23,541 INFO L78 Accepts]: Start accepts. Automaton has 1086 states and 1179 transitions. Word has length 314 [2022-10-16 16:59:23,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:23,542 INFO L495 AbstractCegarLoop]: Abstraction has 1086 states and 1179 transitions. [2022-10-16 16:59:23,542 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 16:59:23,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1086 states and 1179 transitions. [2022-10-16 16:59:23,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 683 [2022-10-16 16:59:23,566 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:23,566 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 16:59:23,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 16:59:23,567 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 16:59:23,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:23,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1799819029, now seen corresponding path program 2 times [2022-10-16 16:59:23,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:23,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73287561] [2022-10-16 16:59:23,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:23,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:23,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 16:59:24,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 16:59:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 16:59:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-16 16:59:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 16:59:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-10-16 16:59:24,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-16 16:59:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-10-16 16:59:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-10-16 16:59:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-16 16:59:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-10-16 16:59:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-10-16 16:59:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-10-16 16:59:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-10-16 16:59:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-10-16 16:59:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-10-16 16:59:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-10-16 16:59:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-10-16 16:59:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-10-16 16:59:24,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2022-10-16 16:59:24,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-10-16 16:59:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-10-16 16:59:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-10-16 16:59:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2022-10-16 16:59:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2022-10-16 16:59:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2022-10-16 16:59:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2022-10-16 16:59:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2022-10-16 16:59:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2022-10-16 16:59:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:24,695 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 16:59:24,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:24,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73287561] [2022-10-16 16:59:24,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73287561] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:24,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718870906] [2022-10-16 16:59:24,696 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 16:59:24,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:24,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:24,698 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 16:59:24,700 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 16:59:24,973 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 16:59:24,974 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 16:59:24,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 1907 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 16:59:24,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:25,774 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 16:59:25,774 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 16:59:26,468 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 16:59:26,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1718870906] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 16:59:26,468 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 16:59:26,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 25 [2022-10-16 16:59:26,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925945320] [2022-10-16 16:59:26,469 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 16:59:26,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-10-16 16:59:26,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:26,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-10-16 16:59:26,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=348, Unknown=0, NotChecked=0, Total=650 [2022-10-16 16:59:26,474 INFO L87 Difference]: Start difference. First operand 1086 states and 1179 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 16:59:27,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:27,898 INFO L93 Difference]: Finished difference Result 2239 states and 2439 transitions. [2022-10-16 16:59:27,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-10-16 16:59:27,907 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 16:59:27,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:27,919 INFO L225 Difference]: With dead ends: 2239 [2022-10-16 16:59:27,919 INFO L226 Difference]: Without dead ends: 2238 [2022-10-16 16:59:27,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1480 GetRequests, 1434 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 16:59:27,922 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 3805 mSDsluCounter, 1383 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 384 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3827 SdHoareTripleChecker+Valid, 1551 SdHoareTripleChecker+Invalid, 1010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 384 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:27,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3827 Valid, 1551 Invalid, 1010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [384 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:59:27,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2238 states. [2022-10-16 16:59:28,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2238 to 2238. [2022-10-16 16:59:28,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2238 states, 2004 states have (on average 1.0713572854291418) internal successors, (2147), 2005 states have internal predecessors, (2147), 140 states have call successors, (140), 93 states have call predecessors, (140), 93 states have return successors, (140), 139 states have call predecessors, (140), 140 states have call successors, (140) [2022-10-16 16:59:28,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2238 states to 2238 states and 2427 transitions. [2022-10-16 16:59:28,189 INFO L78 Accepts]: Start accepts. Automaton has 2238 states and 2427 transitions. Word has length 682 [2022-10-16 16:59:28,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:28,190 INFO L495 AbstractCegarLoop]: Abstraction has 2238 states and 2427 transitions. [2022-10-16 16:59:28,191 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 16:59:28,191 INFO L276 IsEmpty]: Start isEmpty. Operand 2238 states and 2427 transitions. [2022-10-16 16:59:28,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1475 [2022-10-16 16:59:28,260 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:28,261 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 16:59:28,287 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-10-16 16:59:28,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-10-16 16:59:28,462 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 16:59:28,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:28,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1635876207, now seen corresponding path program 3 times [2022-10-16 16:59:28,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:28,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171114436] [2022-10-16 16:59:28,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:28,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 16:59:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 16:59:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 16:59:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 16:59:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 16:59:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-16 16:59:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 16:59:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-10-16 16:59:32,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-16 16:59:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-10-16 16:59:32,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-10-16 16:59:32,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-16 16:59:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-10-16 16:59:32,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-10-16 16:59:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-10-16 16:59:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-10-16 16:59:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-10-16 16:59:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-10-16 16:59:32,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-10-16 16:59:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-10-16 16:59:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-10-16 16:59:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2022-10-16 16:59:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-10-16 16:59:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-10-16 16:59:32,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-10-16 16:59:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2022-10-16 16:59:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2022-10-16 16:59:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2022-10-16 16:59:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2022-10-16 16:59:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2022-10-16 16:59:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2022-10-16 16:59:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2022-10-16 16:59:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 711 [2022-10-16 16:59:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 734 [2022-10-16 16:59:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2022-10-16 16:59:32,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 777 [2022-10-16 16:59:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 800 [2022-10-16 16:59:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2022-10-16 16:59:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 843 [2022-10-16 16:59:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 866 [2022-10-16 16:59:32,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2022-10-16 16:59:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 909 [2022-10-16 16:59:32,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 932 [2022-10-16 16:59:32,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 947 [2022-10-16 16:59:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2022-10-16 16:59:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 998 [2022-10-16 16:59:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1013 [2022-10-16 16:59:32,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1041 [2022-10-16 16:59:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1064 [2022-10-16 16:59:32,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1079 [2022-10-16 16:59:32,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1107 [2022-10-16 16:59:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1130 [2022-10-16 16:59:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1145 [2022-10-16 16:59:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1173 [2022-10-16 16:59:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1196 [2022-10-16 16:59:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1211 [2022-10-16 16:59:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1239 [2022-10-16 16:59:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1262 [2022-10-16 16:59:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1277 [2022-10-16 16:59:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2022-10-16 16:59:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1328 [2022-10-16 16:59:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1343 [2022-10-16 16:59:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1371 [2022-10-16 16:59:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1394 [2022-10-16 16:59:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1409 [2022-10-16 16:59:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1437 [2022-10-16 16:59:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1460 [2022-10-16 16:59:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,711 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 16:59:32,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:32,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171114436] [2022-10-16 16:59:32,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171114436] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:32,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249557834] [2022-10-16 16:59:32,712 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-16 16:59:32,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:32,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:32,715 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:59:32,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-10-16 16:59:33,472 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 28 check-sat command(s) [2022-10-16 16:59:33,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 16:59:33,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 4055 conjuncts, 29 conjunts are in the unsatisfiable core [2022-10-16 16:59:33,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:35,303 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 16:59:35,304 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 16:59:37,175 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 16:59:37,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249557834] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 16:59:37,176 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 16:59:37,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 29, 29] total 63 [2022-10-16 16:59:37,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372571076] [2022-10-16 16:59:37,176 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 16:59:37,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2022-10-16 16:59:37,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:37,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2022-10-16 16:59:37,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1135, Invalid=2897, Unknown=0, NotChecked=0, Total=4032 [2022-10-16 16:59:37,185 INFO L87 Difference]: Start difference. First operand 2238 states and 2427 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 16:59:47,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:47,583 INFO L93 Difference]: Finished difference Result 4447 states and 4842 transitions. [2022-10-16 16:59:47,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2022-10-16 16:59:47,585 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 16:59:47,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:47,610 INFO L225 Difference]: With dead ends: 4447 [2022-10-16 16:59:47,610 INFO L226 Difference]: Without dead ends: 4446 [2022-10-16 16:59:47,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3385 GetRequests, 3173 SyntacticMatches, 0 SemanticMatches, 212 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15100 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=14214, Invalid=31368, Unknown=0, NotChecked=0, Total=45582 [2022-10-16 16:59:47,634 INFO L413 NwaCegarLoop]: 298 mSDtfsCounter, 13349 mSDsluCounter, 3931 mSDsCounter, 0 mSdLazyCounter, 2775 mSolverCounterSat, 1919 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13359 SdHoareTripleChecker+Valid, 4229 SdHoareTripleChecker+Invalid, 4694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1919 IncrementalHoareTripleChecker+Valid, 2775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:47,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13359 Valid, 4229 Invalid, 4694 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1919 Valid, 2775 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 16:59:47,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4446 states. [2022-10-16 16:59:48,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4446 to 4446. [2022-10-16 16:59:48,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4446 states, 3982 states have (on average 1.0705675539929684) internal successors, (4263), 3983 states have internal predecessors, (4263), 278 states have call successors, (278), 185 states have call predecessors, (278), 185 states have return successors, (278), 277 states have call predecessors, (278), 278 states have call successors, (278) [2022-10-16 16:59:48,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4446 states to 4446 states and 4819 transitions. [2022-10-16 16:59:48,240 INFO L78 Accepts]: Start accepts. Automaton has 4446 states and 4819 transitions. Word has length 1474 [2022-10-16 16:59:48,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:48,243 INFO L495 AbstractCegarLoop]: Abstraction has 4446 states and 4819 transitions. [2022-10-16 16:59:48,244 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 16:59:48,244 INFO L276 IsEmpty]: Start isEmpty. Operand 4446 states and 4819 transitions. [2022-10-16 16:59:48,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2993 [2022-10-16 16:59:48,355 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:48,356 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 16:59:48,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-10-16 16:59:48,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-10-16 16:59:48,572 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 16:59:48,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:48,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1897447284, now seen corresponding path program 4 times [2022-10-16 16:59:48,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:48,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361973621] [2022-10-16 16:59:48,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:48,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:01,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 17:00:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:01,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 17:00:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:01,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 17:00:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:01,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 17:00:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:01,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 17:00:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:01,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-16 17:00:01,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:01,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 17:00:01,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:01,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-10-16 17:00:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:01,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-16 17:00:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:01,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-10-16 17:00:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:01,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-10-16 17:00:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:01,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-16 17:00:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-10-16 17:00:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-10-16 17:00:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-10-16 17:00:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-10-16 17:00:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-10-16 17:00:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-10-16 17:00:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-10-16 17:00:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-10-16 17:00:02,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-10-16 17:00:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2022-10-16 17:00:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-10-16 17:00:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-10-16 17:00:02,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-10-16 17:00:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2022-10-16 17:00:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2022-10-16 17:00:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2022-10-16 17:00:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2022-10-16 17:00:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2022-10-16 17:00:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2022-10-16 17:00:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2022-10-16 17:00:02,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 711 [2022-10-16 17:00:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 734 [2022-10-16 17:00:02,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2022-10-16 17:00:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 777 [2022-10-16 17:00:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 800 [2022-10-16 17:00:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2022-10-16 17:00:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 843 [2022-10-16 17:00:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 866 [2022-10-16 17:00:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2022-10-16 17:00:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 909 [2022-10-16 17:00:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 932 [2022-10-16 17:00:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 947 [2022-10-16 17:00:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2022-10-16 17:00:02,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 998 [2022-10-16 17:00:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1013 [2022-10-16 17:00:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1041 [2022-10-16 17:00:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1064 [2022-10-16 17:00:02,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1079 [2022-10-16 17:00:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1107 [2022-10-16 17:00:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1130 [2022-10-16 17:00:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1145 [2022-10-16 17:00:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1173 [2022-10-16 17:00:02,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1196 [2022-10-16 17:00:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1211 [2022-10-16 17:00:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1239 [2022-10-16 17:00:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1262 [2022-10-16 17:00:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1277 [2022-10-16 17:00:02,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2022-10-16 17:00:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1328 [2022-10-16 17:00:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1343 [2022-10-16 17:00:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1371 [2022-10-16 17:00:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1394 [2022-10-16 17:00:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1409 [2022-10-16 17:00:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1437 [2022-10-16 17:00:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1460 [2022-10-16 17:00:02,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1475 [2022-10-16 17:00:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1503 [2022-10-16 17:00:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1526 [2022-10-16 17:00:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1541 [2022-10-16 17:00:02,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1569 [2022-10-16 17:00:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1592 [2022-10-16 17:00:02,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1607 [2022-10-16 17:00:02,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1635 [2022-10-16 17:00:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1658 [2022-10-16 17:00:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1673 [2022-10-16 17:00:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1701 [2022-10-16 17:00:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1724 [2022-10-16 17:00:02,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1739 [2022-10-16 17:00:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1767 [2022-10-16 17:00:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1790 [2022-10-16 17:00:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1805 [2022-10-16 17:00:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1833 [2022-10-16 17:00:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1856 [2022-10-16 17:00:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1871 [2022-10-16 17:00:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1899 [2022-10-16 17:00:02,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1922 [2022-10-16 17:00:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1937 [2022-10-16 17:00:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1965 [2022-10-16 17:00:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1988 [2022-10-16 17:00:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2003 [2022-10-16 17:00:02,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2031 [2022-10-16 17:00:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2054 [2022-10-16 17:00:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2069 [2022-10-16 17:00:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2097 [2022-10-16 17:00:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2120 [2022-10-16 17:00:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2135 [2022-10-16 17:00:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2163 [2022-10-16 17:00:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2186 [2022-10-16 17:00:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2201 [2022-10-16 17:00:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2229 [2022-10-16 17:00:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2252 [2022-10-16 17:00:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2267 [2022-10-16 17:00:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2295 [2022-10-16 17:00:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2318 [2022-10-16 17:00:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2333 [2022-10-16 17:00:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2361 [2022-10-16 17:00:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2384 [2022-10-16 17:00:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2399 [2022-10-16 17:00:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2427 [2022-10-16 17:00:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2450 [2022-10-16 17:00:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2465 [2022-10-16 17:00:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2493 [2022-10-16 17:00:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2516 [2022-10-16 17:00:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2531 [2022-10-16 17:00:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2559 [2022-10-16 17:00:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2582 [2022-10-16 17:00:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2597 [2022-10-16 17:00:02,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2625 [2022-10-16 17:00:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2648 [2022-10-16 17:00:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2663 [2022-10-16 17:00:02,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2691 [2022-10-16 17:00:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2714 [2022-10-16 17:00:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2729 [2022-10-16 17:00:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2757 [2022-10-16 17:00:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2780 [2022-10-16 17:00:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2795 [2022-10-16 17:00:02,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2823 [2022-10-16 17:00:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2846 [2022-10-16 17:00:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2861 [2022-10-16 17:00:02,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2889 [2022-10-16 17:00:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2912 [2022-10-16 17:00:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2927 [2022-10-16 17:00:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2955 [2022-10-16 17:00:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2978 [2022-10-16 17:00:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,792 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 17:00:02,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:00:02,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361973621] [2022-10-16 17:00:02,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361973621] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:00:02,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158667991] [2022-10-16 17:00:02,794 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-10-16 17:00:02,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:00:02,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:00:02,795 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:00:02,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-10-16 17:00:04,041 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-10-16 17:00:04,041 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:00:04,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 8172 conjuncts, 49 conjunts are in the unsatisfiable core [2022-10-16 17:00:04,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:00:08,055 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 17:00:08,056 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:00:12,941 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 17:00:12,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [158667991] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:00:12,942 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:00:12,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 49, 49] total 99 [2022-10-16 17:00:12,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976778133] [2022-10-16 17:00:12,944 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:00:12,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2022-10-16 17:00:12,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:00:12,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2022-10-16 17:00:12,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4481, Invalid=5419, Unknown=0, NotChecked=0, Total=9900 [2022-10-16 17:00:12,960 INFO L87 Difference]: Start difference. First operand 4446 states and 4819 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 17:00:47,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:00:47,512 INFO L93 Difference]: Finished difference Result 8959 states and 9754 transitions. [2022-10-16 17:00:47,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 313 states. [2022-10-16 17:00:47,514 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 17:00:47,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:00:47,559 INFO L225 Difference]: With dead ends: 8959 [2022-10-16 17:00:47,559 INFO L226 Difference]: Without dead ends: 8958 [2022-10-16 17:00:47,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6804 GetRequests, 6425 SyntacticMatches, 0 SemanticMatches, 379 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48290 ImplicationChecksByTransitivity, 18.9s TimeCoverageRelationStatistics Valid=45876, Invalid=98904, Unknown=0, NotChecked=0, Total=144780 [2022-10-16 17:00:47,579 INFO L413 NwaCegarLoop]: 455 mSDtfsCounter, 22780 mSDsluCounter, 5917 mSDsCounter, 0 mSdLazyCounter, 3687 mSolverCounterSat, 2640 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22809 SdHoareTripleChecker+Valid, 6372 SdHoareTripleChecker+Invalid, 6327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2640 IncrementalHoareTripleChecker+Valid, 3687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-10-16 17:00:47,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22809 Valid, 6372 Invalid, 6327 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2640 Valid, 3687 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-10-16 17:00:47,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8958 states. [2022-10-16 17:00:48,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8958 to 8958. [2022-10-16 17:00:48,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8958 states, 8024 states have (on average 1.0701645064805583) internal successors, (8587), 8025 states have internal predecessors, (8587), 560 states have call successors, (560), 373 states have call predecessors, (560), 373 states have return successors, (560), 559 states have call predecessors, (560), 560 states have call successors, (560) [2022-10-16 17:00:48,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8958 states to 8958 states and 9707 transitions. [2022-10-16 17:00:48,479 INFO L78 Accepts]: Start accepts. Automaton has 8958 states and 9707 transitions. Word has length 2992 [2022-10-16 17:00:48,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:00:48,483 INFO L495 AbstractCegarLoop]: Abstraction has 8958 states and 9707 transitions. [2022-10-16 17:00:48,485 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 17:00:48,485 INFO L276 IsEmpty]: Start isEmpty. Operand 8958 states and 9707 transitions. [2022-10-16 17:00:48,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6095 [2022-10-16 17:00:48,885 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:00:48,893 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 17:00:48,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-10-16 17:00:49,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2022-10-16 17:00:49,104 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-10-16 17:00:49,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:00:49,108 INFO L85 PathProgramCache]: Analyzing trace with hash -2117641743, now seen corresponding path program 5 times [2022-10-16 17:00:49,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:00:49,109 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211542619] [2022-10-16 17:00:49,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:00:49,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:00:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-10-16 17:02:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-16 17:02:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-10-16 17:02:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-16 17:02:05,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-10-16 17:02:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-10-16 17:02:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 17:02:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-10-16 17:02:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-16 17:02:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-10-16 17:02:05,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-10-16 17:02:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-16 17:02:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-10-16 17:02:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-10-16 17:02:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-10-16 17:02:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-10-16 17:02:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-10-16 17:02:05,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-10-16 17:02:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-10-16 17:02:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-10-16 17:02:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-10-16 17:02:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2022-10-16 17:02:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-10-16 17:02:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-10-16 17:02:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-10-16 17:02:05,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2022-10-16 17:02:05,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2022-10-16 17:02:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2022-10-16 17:02:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2022-10-16 17:02:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2022-10-16 17:02:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2022-10-16 17:02:05,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2022-10-16 17:02:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 711 [2022-10-16 17:02:05,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 734 [2022-10-16 17:02:05,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2022-10-16 17:02:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 777 [2022-10-16 17:02:05,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 800 [2022-10-16 17:02:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 815 [2022-10-16 17:02:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 843 [2022-10-16 17:02:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 866 [2022-10-16 17:02:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 881 [2022-10-16 17:02:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 909 [2022-10-16 17:02:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 932 [2022-10-16 17:02:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 947 [2022-10-16 17:02:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 975 [2022-10-16 17:02:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 998 [2022-10-16 17:02:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1013 [2022-10-16 17:02:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1041 [2022-10-16 17:02:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1064 [2022-10-16 17:02:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1079 [2022-10-16 17:02:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1107 [2022-10-16 17:02:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1130 [2022-10-16 17:02:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1145 [2022-10-16 17:02:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1173 [2022-10-16 17:02:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1196 [2022-10-16 17:02:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1211 [2022-10-16 17:02:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1239 [2022-10-16 17:02:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1262 [2022-10-16 17:02:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1277 [2022-10-16 17:02:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1305 [2022-10-16 17:02:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1328 [2022-10-16 17:02:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1343 [2022-10-16 17:02:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1371 [2022-10-16 17:02:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1394 [2022-10-16 17:02:05,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1409 [2022-10-16 17:02:05,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1437 [2022-10-16 17:02:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1460 [2022-10-16 17:02:05,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1475 [2022-10-16 17:02:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1503 [2022-10-16 17:02:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1526 [2022-10-16 17:02:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1541 [2022-10-16 17:02:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1569 [2022-10-16 17:02:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1592 [2022-10-16 17:02:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1607 [2022-10-16 17:02:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1635 [2022-10-16 17:02:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1658 [2022-10-16 17:02:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1673 [2022-10-16 17:02:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1701 [2022-10-16 17:02:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1724 [2022-10-16 17:02:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1739 [2022-10-16 17:02:05,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1767 [2022-10-16 17:02:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1790 [2022-10-16 17:02:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1805 [2022-10-16 17:02:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1833 [2022-10-16 17:02:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1856 [2022-10-16 17:02:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1871 [2022-10-16 17:02:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1899 [2022-10-16 17:02:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1922 [2022-10-16 17:02:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1937 [2022-10-16 17:02:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1965 [2022-10-16 17:02:05,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1988 [2022-10-16 17:02:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2003 [2022-10-16 17:02:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2031 [2022-10-16 17:02:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2054 [2022-10-16 17:02:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2069 [2022-10-16 17:02:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2097 [2022-10-16 17:02:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2120 [2022-10-16 17:02:05,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2135 [2022-10-16 17:02:05,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2163 [2022-10-16 17:02:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2186 [2022-10-16 17:02:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2201 [2022-10-16 17:02:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2229 [2022-10-16 17:02:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2252 [2022-10-16 17:02:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2267 [2022-10-16 17:02:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2295 [2022-10-16 17:02:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2318 [2022-10-16 17:02:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2333 [2022-10-16 17:02:05,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2361 [2022-10-16 17:02:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2384 [2022-10-16 17:02:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2399 [2022-10-16 17:02:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2427 [2022-10-16 17:02:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2450 [2022-10-16 17:02:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2465 [2022-10-16 17:02:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2493 [2022-10-16 17:02:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2516 [2022-10-16 17:02:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2531 [2022-10-16 17:02:05,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2559 [2022-10-16 17:02:05,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2582 [2022-10-16 17:02:05,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2597 [2022-10-16 17:02:05,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2625 [2022-10-16 17:02:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2648 [2022-10-16 17:02:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2663 [2022-10-16 17:02:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2691 [2022-10-16 17:02:05,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2714 [2022-10-16 17:02:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2729 [2022-10-16 17:02:05,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2757 [2022-10-16 17:02:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2780 [2022-10-16 17:02:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2795 [2022-10-16 17:02:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2823 [2022-10-16 17:02:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2846 [2022-10-16 17:02:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2861 [2022-10-16 17:02:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2889 [2022-10-16 17:02:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2912 [2022-10-16 17:02:05,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2927 [2022-10-16 17:02:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2955 [2022-10-16 17:02:05,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2978 [2022-10-16 17:02:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2993 [2022-10-16 17:02:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3021 [2022-10-16 17:02:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3044 [2022-10-16 17:02:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3059 [2022-10-16 17:02:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3087 [2022-10-16 17:02:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3110 [2022-10-16 17:02:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3125 [2022-10-16 17:02:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3153 [2022-10-16 17:02:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3176 [2022-10-16 17:02:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3191 [2022-10-16 17:02:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3219 [2022-10-16 17:02:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3242 [2022-10-16 17:02:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3257 [2022-10-16 17:02:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3285 [2022-10-16 17:02:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3308 [2022-10-16 17:02:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3323 [2022-10-16 17:02:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3351 [2022-10-16 17:02:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3374 [2022-10-16 17:02:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3389 [2022-10-16 17:02:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3417 [2022-10-16 17:02:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3440 [2022-10-16 17:02:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3455 [2022-10-16 17:02:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3483 [2022-10-16 17:02:05,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3506 [2022-10-16 17:02:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3521 [2022-10-16 17:02:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3549 [2022-10-16 17:02:05,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3572 [2022-10-16 17:02:05,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3587 [2022-10-16 17:02:05,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:05,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3615 [2022-10-16 17:02:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3638 [2022-10-16 17:02:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3653 [2022-10-16 17:02:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3681 [2022-10-16 17:02:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3704 [2022-10-16 17:02:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3719 [2022-10-16 17:02:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3747 [2022-10-16 17:02:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3770 [2022-10-16 17:02:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3785 [2022-10-16 17:02:06,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3813 [2022-10-16 17:02:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3836 [2022-10-16 17:02:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3851 [2022-10-16 17:02:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3879 [2022-10-16 17:02:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3902 [2022-10-16 17:02:06,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3917 [2022-10-16 17:02:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3945 [2022-10-16 17:02:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3968 [2022-10-16 17:02:06,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3983 [2022-10-16 17:02:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4011 [2022-10-16 17:02:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4034 [2022-10-16 17:02:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4049 [2022-10-16 17:02:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4077 [2022-10-16 17:02:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4100 [2022-10-16 17:02:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4115 [2022-10-16 17:02:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4143 [2022-10-16 17:02:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4166 [2022-10-16 17:02:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4181 [2022-10-16 17:02:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4209 [2022-10-16 17:02:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4232 [2022-10-16 17:02:06,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4247 [2022-10-16 17:02:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4275 [2022-10-16 17:02:06,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4298 [2022-10-16 17:02:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4313 [2022-10-16 17:02:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4341 [2022-10-16 17:02:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4364 [2022-10-16 17:02:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4379 [2022-10-16 17:02:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4407 [2022-10-16 17:02:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4430 [2022-10-16 17:02:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4445 [2022-10-16 17:02:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4473 [2022-10-16 17:02:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4496 [2022-10-16 17:02:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4511 [2022-10-16 17:02:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4539 [2022-10-16 17:02:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4562 [2022-10-16 17:02:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4577 [2022-10-16 17:02:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4605 [2022-10-16 17:02:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4628 [2022-10-16 17:02:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4643 [2022-10-16 17:02:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4671 [2022-10-16 17:02:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4694 [2022-10-16 17:02:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4709 [2022-10-16 17:02:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4737 [2022-10-16 17:02:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4760 [2022-10-16 17:02:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4775 [2022-10-16 17:02:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4803 [2022-10-16 17:02:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4826 [2022-10-16 17:02:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4841 [2022-10-16 17:02:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4869 [2022-10-16 17:02:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4892 [2022-10-16 17:02:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4907 [2022-10-16 17:02:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4935 [2022-10-16 17:02:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4958 [2022-10-16 17:02:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4973 [2022-10-16 17:02:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5001 [2022-10-16 17:02:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5024 [2022-10-16 17:02:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5039 [2022-10-16 17:02:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5067 [2022-10-16 17:02:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5090 [2022-10-16 17:02:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5105 [2022-10-16 17:02:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5133 [2022-10-16 17:02:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5156 [2022-10-16 17:02:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5171 [2022-10-16 17:02:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5199 [2022-10-16 17:02:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5222 [2022-10-16 17:02:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5237 [2022-10-16 17:02:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5265 [2022-10-16 17:02:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5288 [2022-10-16 17:02:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5303 [2022-10-16 17:02:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5331 [2022-10-16 17:02:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5354 [2022-10-16 17:02:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5369 [2022-10-16 17:02:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5397 [2022-10-16 17:02:06,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5420 [2022-10-16 17:02:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5435 [2022-10-16 17:02:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5463 [2022-10-16 17:02:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5486 [2022-10-16 17:02:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5501 [2022-10-16 17:02:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5529 [2022-10-16 17:02:06,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5552 [2022-10-16 17:02:06,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5567 [2022-10-16 17:02:06,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5595 [2022-10-16 17:02:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5618 [2022-10-16 17:02:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5633 [2022-10-16 17:02:06,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5661 [2022-10-16 17:02:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5684 [2022-10-16 17:02:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5699 [2022-10-16 17:02:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5727 [2022-10-16 17:02:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5750 [2022-10-16 17:02:06,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5765 [2022-10-16 17:02:06,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5793 [2022-10-16 17:02:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5816 [2022-10-16 17:02:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5831 [2022-10-16 17:02:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5859 [2022-10-16 17:02:06,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5882 [2022-10-16 17:02:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5897 [2022-10-16 17:02:06,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5925 [2022-10-16 17:02:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5948 [2022-10-16 17:02:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5963 [2022-10-16 17:02:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5991 [2022-10-16 17:02:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6014 [2022-10-16 17:02:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6029 [2022-10-16 17:02:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6057 [2022-10-16 17:02:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6080 [2022-10-16 17:02:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:02:06,631 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 17:02:06,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:02:06,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211542619] [2022-10-16 17:02:06,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211542619] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:02:06,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539116163] [2022-10-16 17:02:06,631 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-10-16 17:02:06,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:02:06,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:02:06,633 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:02:06,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-10-16 17:02:14,427 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 122 check-sat command(s) [2022-10-16 17:02:14,428 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:02:14,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 16585 conjuncts, 101 conjunts are in the unsatisfiable core [2022-10-16 17:02:14,592 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:02:24,727 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 17:02:24,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:02:40,284 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 17:02:40,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539116163] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:02:40,285 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:02:40,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [95, 101, 101] total 242 [2022-10-16 17:02:40,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030705755] [2022-10-16 17:02:40,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:02:40,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 243 states [2022-10-16 17:02:40,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:02:40,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 243 interpolants. [2022-10-16 17:02:40,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15439, Invalid=43367, Unknown=0, NotChecked=0, Total=58806 [2022-10-16 17:02:40,320 INFO L87 Difference]: Start difference. First operand 8958 states and 9707 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)