/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/list-ext3-properties/sll_of_sll_nondet_append-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 14:16:07,865 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 14:16:07,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 14:16:07,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 14:16:07,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 14:16:07,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 14:16:07,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 14:16:07,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 14:16:08,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 14:16:08,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 14:16:08,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 14:16:08,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 14:16:08,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 14:16:08,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 14:16:08,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 14:16:08,024 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 14:16:08,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 14:16:08,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 14:16:08,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 14:16:08,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 14:16:08,044 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 14:16:08,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 14:16:08,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 14:16:08,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 14:16:08,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 14:16:08,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 14:16:08,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 14:16:08,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 14:16:08,065 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 14:16:08,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 14:16:08,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 14:16:08,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 14:16:08,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 14:16:08,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 14:16:08,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 14:16:08,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 14:16:08,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 14:16:08,073 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 14:16:08,073 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 14:16:08,074 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 14:16:08,075 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 14:16:08,076 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 14:16:08,134 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 14:16:08,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 14:16:08,135 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 14:16:08,136 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 14:16:08,137 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 14:16:08,137 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 14:16:08,140 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 14:16:08,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 14:16:08,141 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 14:16:08,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 14:16:08,143 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 14:16:08,143 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 14:16:08,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 14:16:08,143 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 14:16:08,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 14:16:08,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 14:16:08,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 14:16:08,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 14:16:08,144 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 14:16:08,145 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 14:16:08,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 14:16:08,145 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 14:16:08,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 14:16:08,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 14:16:08,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 14:16:08,146 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 14:16:08,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:16:08,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 14:16:08,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 14:16:08,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 14:16:08,147 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 14:16:08,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 14:16:08,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 14:16:08,148 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 14:16:08,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 14:16:08,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 14:16:08,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 14:16:08,619 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 14:16:08,620 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 14:16:08,622 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-1.i [2022-10-16 14:16:08,715 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43910954d/4755214f3eae4279a5a8b98a80803925/FLAGd8f4e6587 [2022-10-16 14:16:09,498 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 14:16:09,498 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/sll_of_sll_nondet_append-1.i [2022-10-16 14:16:09,534 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43910954d/4755214f3eae4279a5a8b98a80803925/FLAGd8f4e6587 [2022-10-16 14:16:09,715 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43910954d/4755214f3eae4279a5a8b98a80803925 [2022-10-16 14:16:09,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 14:16:09,724 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 14:16:09,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 14:16:09,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 14:16:09,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 14:16:09,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:16:09" (1/1) ... [2022-10-16 14:16:09,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19600910 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:09, skipping insertion in model container [2022-10-16 14:16:09,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:16:09" (1/1) ... [2022-10-16 14:16:09,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 14:16:09,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 14:16:10,218 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/list-ext3-properties/sll_of_sll_nondet_append-1.i[24987,25000] [2022-10-16 14:16:10,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:16:10,242 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 14:16:10,388 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/list-ext3-properties/sll_of_sll_nondet_append-1.i[24987,25000] [2022-10-16 14:16:10,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:16:10,423 INFO L208 MainTranslator]: Completed translation [2022-10-16 14:16:10,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:10 WrapperNode [2022-10-16 14:16:10,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 14:16:10,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 14:16:10,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 14:16:10,426 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 14:16:10,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:10" (1/1) ... [2022-10-16 14:16:10,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:10" (1/1) ... [2022-10-16 14:16:10,498 INFO L138 Inliner]: procedures = 129, calls = 39, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 193 [2022-10-16 14:16:10,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 14:16:10,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 14:16:10,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 14:16:10,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 14:16:10,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:10" (1/1) ... [2022-10-16 14:16:10,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:10" (1/1) ... [2022-10-16 14:16:10,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:10" (1/1) ... [2022-10-16 14:16:10,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:10" (1/1) ... [2022-10-16 14:16:10,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:10" (1/1) ... [2022-10-16 14:16:10,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:10" (1/1) ... [2022-10-16 14:16:10,545 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:10" (1/1) ... [2022-10-16 14:16:10,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:10" (1/1) ... [2022-10-16 14:16:10,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 14:16:10,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 14:16:10,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 14:16:10,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 14:16:10,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:10" (1/1) ... [2022-10-16 14:16:10,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:16:10,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:16:10,602 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 14:16:10,615 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 14:16:10,676 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2022-10-16 14:16:10,677 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2022-10-16 14:16:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 14:16:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 14:16:10,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 14:16:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 14:16:10,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 14:16:10,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 14:16:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 14:16:10,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 14:16:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 14:16:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 14:16:10,864 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 14:16:10,866 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 14:16:10,957 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2022-10-16 14:16:11,328 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 14:16:11,338 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 14:16:11,339 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-10-16 14:16:11,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:16:11 BoogieIcfgContainer [2022-10-16 14:16:11,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 14:16:11,351 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 14:16:11,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 14:16:11,357 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 14:16:11,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:16:09" (1/3) ... [2022-10-16 14:16:11,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6586b2a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:16:11, skipping insertion in model container [2022-10-16 14:16:11,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:16:10" (2/3) ... [2022-10-16 14:16:11,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6586b2a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:16:11, skipping insertion in model container [2022-10-16 14:16:11,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:16:11" (3/3) ... [2022-10-16 14:16:11,361 INFO L112 eAbstractionObserver]: Analyzing ICFG sll_of_sll_nondet_append-1.i [2022-10-16 14:16:11,389 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 14:16:11,389 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-10-16 14:16:11,475 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 14:16:11,485 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;@6fc88d59, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 14:16:11,486 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-10-16 14:16:11,492 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 56 states have (on average 1.7142857142857142) internal successors, (96), 71 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:11,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-16 14:16:11,502 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:11,502 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-10-16 14:16:11,503 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:11,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:11,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1037656341, now seen corresponding path program 1 times [2022-10-16 14:16:11,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:11,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008703033] [2022-10-16 14:16:11,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:11,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:11,724 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 14:16:11,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:11,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008703033] [2022-10-16 14:16:11,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008703033] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:11,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:16:11,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 14:16:11,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171693899] [2022-10-16 14:16:11,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:11,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 14:16:11,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:11,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 14:16:11,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 14:16:11,778 INFO L87 Difference]: Start difference. First operand has 73 states, 56 states have (on average 1.7142857142857142) internal successors, (96), 71 states have internal predecessors, (96), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:11,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:11,815 INFO L93 Difference]: Finished difference Result 144 states and 194 transitions. [2022-10-16 14:16:11,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 14:16:11,819 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-10-16 14:16:11,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:11,830 INFO L225 Difference]: With dead ends: 144 [2022-10-16 14:16:11,830 INFO L226 Difference]: Without dead ends: 60 [2022-10-16 14:16:11,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 14:16:11,841 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:11,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:16:11,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2022-10-16 14:16:11,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2022-10-16 14:16:11,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 46 states have (on average 1.5217391304347827) internal successors, (70), 59 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:11,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 70 transitions. [2022-10-16 14:16:11,922 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 70 transitions. Word has length 6 [2022-10-16 14:16:11,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:11,923 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 70 transitions. [2022-10-16 14:16:11,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:11,924 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 70 transitions. [2022-10-16 14:16:11,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-16 14:16:11,924 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:11,925 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:11,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 14:16:11,926 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:11,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:11,927 INFO L85 PathProgramCache]: Analyzing trace with hash 681890702, now seen corresponding path program 1 times [2022-10-16 14:16:11,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:11,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312585425] [2022-10-16 14:16:11,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:11,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:12,063 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 14:16:12,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:12,064 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312585425] [2022-10-16 14:16:12,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312585425] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:12,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:16:12,065 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:16:12,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449078643] [2022-10-16 14:16:12,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:12,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:16:12,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:12,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:16:12,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:16:12,069 INFO L87 Difference]: Start difference. First operand 60 states and 70 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:12,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:12,194 INFO L93 Difference]: Finished difference Result 92 states and 108 transitions. [2022-10-16 14:16:12,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:16:12,198 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-10-16 14:16:12,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:12,201 INFO L225 Difference]: With dead ends: 92 [2022-10-16 14:16:12,201 INFO L226 Difference]: Without dead ends: 91 [2022-10-16 14:16:12,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 14:16:12,209 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 36 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:12,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 171 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:16:12,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-10-16 14:16:12,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 84. [2022-10-16 14:16:12,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 70 states have (on average 1.4857142857142858) internal successors, (104), 83 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:12,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 104 transitions. [2022-10-16 14:16:12,231 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 104 transitions. Word has length 8 [2022-10-16 14:16:12,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:12,232 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 104 transitions. [2022-10-16 14:16:12,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:12,233 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 104 transitions. [2022-10-16 14:16:12,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 14:16:12,234 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:12,234 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:12,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 14:16:12,235 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:12,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:12,236 INFO L85 PathProgramCache]: Analyzing trace with hash 467209116, now seen corresponding path program 1 times [2022-10-16 14:16:12,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:12,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710058413] [2022-10-16 14:16:12,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:12,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:12,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:12,405 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 14:16:12,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:12,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710058413] [2022-10-16 14:16:12,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710058413] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:12,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:16:12,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:16:12,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725483509] [2022-10-16 14:16:12,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:12,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:16:12,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:12,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:16:12,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:16:12,412 INFO L87 Difference]: Start difference. First operand 84 states and 104 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:12,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:12,541 INFO L93 Difference]: Finished difference Result 146 states and 177 transitions. [2022-10-16 14:16:12,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:16:12,546 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-10-16 14:16:12,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:12,548 INFO L225 Difference]: With dead ends: 146 [2022-10-16 14:16:12,548 INFO L226 Difference]: Without dead ends: 117 [2022-10-16 14:16:12,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 14:16:12,553 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 23 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:12,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 184 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:16:12,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-10-16 14:16:12,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 99. [2022-10-16 14:16:12,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 85 states have (on average 1.4705882352941178) internal successors, (125), 98 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:12,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 125 transitions. [2022-10-16 14:16:12,588 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 125 transitions. Word has length 9 [2022-10-16 14:16:12,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:12,589 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 125 transitions. [2022-10-16 14:16:12,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:12,590 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 125 transitions. [2022-10-16 14:16:12,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 14:16:12,590 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:12,590 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:12,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 14:16:12,592 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:12,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:12,594 INFO L85 PathProgramCache]: Analyzing trace with hash -336224586, now seen corresponding path program 1 times [2022-10-16 14:16:12,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:12,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287158783] [2022-10-16 14:16:12,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:12,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:12,752 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 14:16:12,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:12,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287158783] [2022-10-16 14:16:12,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287158783] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:12,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:16:12,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:16:12,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533804221] [2022-10-16 14:16:12,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:12,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:16:12,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:12,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:16:12,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:16:12,759 INFO L87 Difference]: Start difference. First operand 99 states and 125 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:12,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:12,854 INFO L93 Difference]: Finished difference Result 99 states and 125 transitions. [2022-10-16 14:16:12,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:16:12,856 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-10-16 14:16:12,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:12,858 INFO L225 Difference]: With dead ends: 99 [2022-10-16 14:16:12,858 INFO L226 Difference]: Without dead ends: 98 [2022-10-16 14:16:12,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 14:16:12,860 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 35 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:12,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 138 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:16:12,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2022-10-16 14:16:12,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2022-10-16 14:16:12,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 85 states have (on average 1.4470588235294117) internal successors, (123), 97 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:12,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 123 transitions. [2022-10-16 14:16:12,889 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 123 transitions. Word has length 9 [2022-10-16 14:16:12,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:12,889 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 123 transitions. [2022-10-16 14:16:12,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:12,890 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 123 transitions. [2022-10-16 14:16:12,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-16 14:16:12,891 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:12,891 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:12,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 14:16:12,892 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:12,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:12,892 INFO L85 PathProgramCache]: Analyzing trace with hash -661721576, now seen corresponding path program 1 times [2022-10-16 14:16:12,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:12,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573167918] [2022-10-16 14:16:12,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:12,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:13,098 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 14:16:13,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:13,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573167918] [2022-10-16 14:16:13,099 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573167918] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:13,099 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:16:13,099 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:16:13,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828578470] [2022-10-16 14:16:13,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:13,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:16:13,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:13,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:16:13,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:16:13,104 INFO L87 Difference]: Start difference. First operand 98 states and 123 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:13,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:13,260 INFO L93 Difference]: Finished difference Result 147 states and 175 transitions. [2022-10-16 14:16:13,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 14:16:13,261 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-10-16 14:16:13,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:13,263 INFO L225 Difference]: With dead ends: 147 [2022-10-16 14:16:13,263 INFO L226 Difference]: Without dead ends: 146 [2022-10-16 14:16:13,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:16:13,265 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 224 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:13,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 286 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:16:13,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2022-10-16 14:16:13,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 98. [2022-10-16 14:16:13,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 85 states have (on average 1.4352941176470588) internal successors, (122), 97 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:13,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 122 transitions. [2022-10-16 14:16:13,279 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 122 transitions. Word has length 12 [2022-10-16 14:16:13,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:13,279 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 122 transitions. [2022-10-16 14:16:13,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:13,280 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 122 transitions. [2022-10-16 14:16:13,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-16 14:16:13,280 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:13,281 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:13,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 14:16:13,281 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:13,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:13,282 INFO L85 PathProgramCache]: Analyzing trace with hash 961467713, now seen corresponding path program 1 times [2022-10-16 14:16:13,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:13,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302341760] [2022-10-16 14:16:13,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:13,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:13,354 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 14:16:13,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:13,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302341760] [2022-10-16 14:16:13,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302341760] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:13,358 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:16:13,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:16:13,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36071932] [2022-10-16 14:16:13,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:13,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:16:13,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:13,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:16:13,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:16:13,361 INFO L87 Difference]: Start difference. First operand 98 states and 122 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:13,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:13,384 INFO L93 Difference]: Finished difference Result 98 states and 122 transitions. [2022-10-16 14:16:13,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:16:13,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-10-16 14:16:13,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:13,388 INFO L225 Difference]: With dead ends: 98 [2022-10-16 14:16:13,389 INFO L226 Difference]: Without dead ends: 97 [2022-10-16 14:16:13,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 14:16:13,395 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 4 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:13,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 187 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:16:13,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-10-16 14:16:13,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2022-10-16 14:16:13,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 85 states have (on average 1.411764705882353) internal successors, (120), 96 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:13,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 120 transitions. [2022-10-16 14:16:13,427 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 120 transitions. Word has length 13 [2022-10-16 14:16:13,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:13,427 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 120 transitions. [2022-10-16 14:16:13,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:13,428 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 120 transitions. [2022-10-16 14:16:13,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-16 14:16:13,429 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:13,429 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-10-16 14:16:13,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 14:16:13,429 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:13,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:13,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1678401250, now seen corresponding path program 1 times [2022-10-16 14:16:13,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:13,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257701959] [2022-10-16 14:16:13,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:13,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:13,585 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:16:13,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:13,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257701959] [2022-10-16 14:16:13,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257701959] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:16:13,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44562600] [2022-10-16 14:16:13,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:13,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:13,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:16:13,603 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 14:16:13,610 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 14:16:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:13,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 14:16:13,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:16:13,770 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:16:13,770 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:16:13,832 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:16:13,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44562600] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:16:13,832 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:16:13,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-10-16 14:16:13,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693830272] [2022-10-16 14:16:13,833 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:16:13,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 14:16:13,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:13,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 14:16:13,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:16:13,835 INFO L87 Difference]: Start difference. First operand 97 states and 120 transitions. Second operand has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:13,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:13,959 INFO L93 Difference]: Finished difference Result 215 states and 265 transitions. [2022-10-16 14:16:13,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 14:16:13,960 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-10-16 14:16:13,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:13,963 INFO L225 Difference]: With dead ends: 215 [2022-10-16 14:16:13,963 INFO L226 Difference]: Without dead ends: 214 [2022-10-16 14:16:13,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-10-16 14:16:13,965 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 247 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:13,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 320 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:16:13,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2022-10-16 14:16:13,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 193. [2022-10-16 14:16:13,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 181 states have (on average 1.3756906077348066) internal successors, (249), 192 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:13,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 249 transitions. [2022-10-16 14:16:13,982 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 249 transitions. Word has length 15 [2022-10-16 14:16:13,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:13,983 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 249 transitions. [2022-10-16 14:16:13,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:13,983 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 249 transitions. [2022-10-16 14:16:13,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-16 14:16:13,984 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:13,984 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:14,022 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 14:16:14,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:14,199 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:14,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:14,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1338638120, now seen corresponding path program 1 times [2022-10-16 14:16:14,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:14,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321220626] [2022-10-16 14:16:14,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:14,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:14,300 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 14:16:14,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:14,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321220626] [2022-10-16 14:16:14,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321220626] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:14,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:16:14,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:16:14,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280157139] [2022-10-16 14:16:14,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:14,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:16:14,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:14,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:16:14,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:16:14,307 INFO L87 Difference]: Start difference. First operand 193 states and 249 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:14,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:14,352 INFO L93 Difference]: Finished difference Result 343 states and 441 transitions. [2022-10-16 14:16:14,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:16:14,353 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-10-16 14:16:14,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:14,355 INFO L225 Difference]: With dead ends: 343 [2022-10-16 14:16:14,355 INFO L226 Difference]: Without dead ends: 341 [2022-10-16 14:16:14,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 14:16:14,357 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 52 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:14,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 254 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:16:14,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2022-10-16 14:16:14,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 295. [2022-10-16 14:16:14,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 283 states have (on average 1.3356890459363957) internal successors, (378), 294 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:14,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 378 transitions. [2022-10-16 14:16:14,376 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 378 transitions. Word has length 16 [2022-10-16 14:16:14,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:14,376 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 378 transitions. [2022-10-16 14:16:14,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:14,377 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 378 transitions. [2022-10-16 14:16:14,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 14:16:14,378 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:14,378 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:14,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 14:16:14,379 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:14,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:14,379 INFO L85 PathProgramCache]: Analyzing trace with hash -2066305172, now seen corresponding path program 1 times [2022-10-16 14:16:14,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:14,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201117190] [2022-10-16 14:16:14,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:14,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:14,577 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:16:14,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:14,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201117190] [2022-10-16 14:16:14,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201117190] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:16:14,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127002911] [2022-10-16 14:16:14,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:14,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:14,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:16:14,579 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 14:16:14,602 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 14:16:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:14,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 14:16:14,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:16:14,713 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:16:14,713 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:16:14,807 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:16:14,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127002911] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:16:14,807 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:16:14,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-10-16 14:16:14,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582364506] [2022-10-16 14:16:14,808 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:16:14,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 14:16:14,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:14,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 14:16:14,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-10-16 14:16:14,810 INFO L87 Difference]: Start difference. First operand 295 states and 378 transitions. Second operand has 14 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 14 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:15,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:15,306 INFO L93 Difference]: Finished difference Result 366 states and 455 transitions. [2022-10-16 14:16:15,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-16 14:16:15,307 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 14 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-10-16 14:16:15,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:15,309 INFO L225 Difference]: With dead ends: 366 [2022-10-16 14:16:15,309 INFO L226 Difference]: Without dead ends: 365 [2022-10-16 14:16:15,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=337, Invalid=995, Unknown=0, NotChecked=0, Total=1332 [2022-10-16 14:16:15,311 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 512 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:15,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 358 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:16:15,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2022-10-16 14:16:15,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 294. [2022-10-16 14:16:15,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 283 states have (on average 1.3074204946996466) internal successors, (370), 293 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:15,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 370 transitions. [2022-10-16 14:16:15,333 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 370 transitions. Word has length 19 [2022-10-16 14:16:15,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:15,334 INFO L495 AbstractCegarLoop]: Abstraction has 294 states and 370 transitions. [2022-10-16 14:16:15,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 14 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:15,334 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 370 transitions. [2022-10-16 14:16:15,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-16 14:16:15,336 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:15,336 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:15,365 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-10-16 14:16:15,550 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,SelfDestructingSolverStorable8 [2022-10-16 14:16:15,551 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:15,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:15,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1108790047, now seen corresponding path program 1 times [2022-10-16 14:16:15,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:15,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006501614] [2022-10-16 14:16:15,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:15,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:15,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 14:16:15,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:15,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006501614] [2022-10-16 14:16:15,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006501614] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:15,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:16:15,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:16:15,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073821665] [2022-10-16 14:16:15,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:15,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:16:15,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:15,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:16:15,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:16:15,639 INFO L87 Difference]: Start difference. First operand 294 states and 370 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:15,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:15,676 INFO L93 Difference]: Finished difference Result 323 states and 404 transitions. [2022-10-16 14:16:15,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:16:15,677 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-10-16 14:16:15,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:15,679 INFO L225 Difference]: With dead ends: 323 [2022-10-16 14:16:15,679 INFO L226 Difference]: Without dead ends: 321 [2022-10-16 14:16:15,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 14:16:15,680 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 27 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:15,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 201 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:16:15,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2022-10-16 14:16:15,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 297. [2022-10-16 14:16:15,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 286 states have (on average 1.3076923076923077) internal successors, (374), 296 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:15,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 374 transitions. [2022-10-16 14:16:15,702 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 374 transitions. Word has length 30 [2022-10-16 14:16:15,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:15,702 INFO L495 AbstractCegarLoop]: Abstraction has 297 states and 374 transitions. [2022-10-16 14:16:15,702 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:15,703 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 374 transitions. [2022-10-16 14:16:15,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-16 14:16:15,704 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:15,704 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:15,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 14:16:15,705 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:15,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:15,705 INFO L85 PathProgramCache]: Analyzing trace with hash 1108789341, now seen corresponding path program 1 times [2022-10-16 14:16:15,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:15,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069440509] [2022-10-16 14:16:15,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:15,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:15,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:15,784 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 14:16:15,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:15,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069440509] [2022-10-16 14:16:15,784 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069440509] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:15,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:16:15,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:16:15,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158678599] [2022-10-16 14:16:15,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:15,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:16:15,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:15,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:16:15,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:16:15,787 INFO L87 Difference]: Start difference. First operand 297 states and 374 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:15,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:15,817 INFO L93 Difference]: Finished difference Result 306 states and 381 transitions. [2022-10-16 14:16:15,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:16:15,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-10-16 14:16:15,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:15,822 INFO L225 Difference]: With dead ends: 306 [2022-10-16 14:16:15,822 INFO L226 Difference]: Without dead ends: 301 [2022-10-16 14:16:15,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:16:15,824 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 26 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 108 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 14:16:15,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 108 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:16:15,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2022-10-16 14:16:15,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 298. [2022-10-16 14:16:15,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 287 states have (on average 1.3066202090592334) internal successors, (375), 297 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:15,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 375 transitions. [2022-10-16 14:16:15,853 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 375 transitions. Word has length 30 [2022-10-16 14:16:15,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:15,853 INFO L495 AbstractCegarLoop]: Abstraction has 298 states and 375 transitions. [2022-10-16 14:16:15,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:15,854 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 375 transitions. [2022-10-16 14:16:15,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-16 14:16:15,856 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:15,857 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:15,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 14:16:15,857 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:15,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:15,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1153163135, now seen corresponding path program 1 times [2022-10-16 14:16:15,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:15,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900753234] [2022-10-16 14:16:15,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:15,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:15,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:16,007 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 14:16:16,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:16,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900753234] [2022-10-16 14:16:16,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900753234] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:16,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:16:16,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:16:16,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793651766] [2022-10-16 14:16:16,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:16,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:16:16,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:16,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:16:16,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:16:16,010 INFO L87 Difference]: Start difference. First operand 298 states and 375 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:16,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:16,070 INFO L93 Difference]: Finished difference Result 356 states and 448 transitions. [2022-10-16 14:16:16,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:16:16,071 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-10-16 14:16:16,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:16,073 INFO L225 Difference]: With dead ends: 356 [2022-10-16 14:16:16,073 INFO L226 Difference]: Without dead ends: 355 [2022-10-16 14:16:16,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:16:16,075 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 65 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:16,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 197 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:16:16,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2022-10-16 14:16:16,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 297. [2022-10-16 14:16:16,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 297 states, 287 states have (on average 1.289198606271777) internal successors, (370), 296 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:16,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 370 transitions. [2022-10-16 14:16:16,098 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 370 transitions. Word has length 30 [2022-10-16 14:16:16,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:16,099 INFO L495 AbstractCegarLoop]: Abstraction has 297 states and 370 transitions. [2022-10-16 14:16:16,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:16,099 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 370 transitions. [2022-10-16 14:16:16,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-16 14:16:16,100 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:16,100 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-10-16 14:16:16,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 14:16:16,101 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:16,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:16,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1388318941, now seen corresponding path program 1 times [2022-10-16 14:16:16,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:16,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226126486] [2022-10-16 14:16:16,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:16,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:16,253 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 14:16:16,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:16,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226126486] [2022-10-16 14:16:16,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226126486] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:16,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:16:16,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:16:16,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53577068] [2022-10-16 14:16:16,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:16,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:16:16,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:16,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:16:16,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:16:16,256 INFO L87 Difference]: Start difference. First operand 297 states and 370 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:16,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:16,350 INFO L93 Difference]: Finished difference Result 620 states and 770 transitions. [2022-10-16 14:16:16,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:16:16,351 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-10-16 14:16:16,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:16,353 INFO L225 Difference]: With dead ends: 620 [2022-10-16 14:16:16,353 INFO L226 Difference]: Without dead ends: 366 [2022-10-16 14:16:16,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:16:16,355 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 116 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:16,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 247 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:16:16,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2022-10-16 14:16:16,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 299. [2022-10-16 14:16:16,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 289 states have (on average 1.28719723183391) internal successors, (372), 298 states have internal predecessors, (372), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:16,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 372 transitions. [2022-10-16 14:16:16,382 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 372 transitions. Word has length 31 [2022-10-16 14:16:16,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:16,382 INFO L495 AbstractCegarLoop]: Abstraction has 299 states and 372 transitions. [2022-10-16 14:16:16,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:16,383 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 372 transitions. [2022-10-16 14:16:16,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-16 14:16:16,384 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:16,384 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 1, 1, 1] [2022-10-16 14:16:16,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 14:16:16,384 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:16,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:16,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1636492942, now seen corresponding path program 2 times [2022-10-16 14:16:16,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:16,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010242322] [2022-10-16 14:16:16,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:16,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:16,528 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 14:16:16,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:16,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010242322] [2022-10-16 14:16:16,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010242322] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:16,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:16:16,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-10-16 14:16:16,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502846997] [2022-10-16 14:16:16,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:16,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 14:16:16,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:16,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 14:16:16,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:16:16,533 INFO L87 Difference]: Start difference. First operand 299 states and 372 transitions. Second operand has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:16,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:16,655 INFO L93 Difference]: Finished difference Result 336 states and 412 transitions. [2022-10-16 14:16:16,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 14:16:16,656 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-10-16 14:16:16,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:16,657 INFO L225 Difference]: With dead ends: 336 [2022-10-16 14:16:16,658 INFO L226 Difference]: Without dead ends: 194 [2022-10-16 14:16:16,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-10-16 14:16:16,660 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 80 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:16,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 338 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:16:16,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-10-16 14:16:16,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 192. [2022-10-16 14:16:16,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 183 states have (on average 1.284153005464481) internal successors, (235), 191 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:16,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 235 transitions. [2022-10-16 14:16:16,684 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 235 transitions. Word has length 36 [2022-10-16 14:16:16,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:16,684 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 235 transitions. [2022-10-16 14:16:16,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:16,686 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 235 transitions. [2022-10-16 14:16:16,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-16 14:16:16,687 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:16,687 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:16,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 14:16:16,687 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:16,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:16,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1630468343, now seen corresponding path program 1 times [2022-10-16 14:16:16,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:16,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073383151] [2022-10-16 14:16:16,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:16,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:17,036 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:16:17,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:17,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073383151] [2022-10-16 14:16:17,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073383151] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:16:17,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206603462] [2022-10-16 14:16:17,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:17,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:17,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:16:17,039 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 14:16:17,048 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 14:16:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:17,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-16 14:16:17,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:16:17,214 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 14:16:17,214 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:16:17,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206603462] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:17,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:16:17,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 12 [2022-10-16 14:16:17,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992853824] [2022-10-16 14:16:17,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:17,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:16:17,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:17,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:16:17,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-10-16 14:16:17,217 INFO L87 Difference]: Start difference. First operand 192 states and 235 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:17,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:17,376 INFO L93 Difference]: Finished difference Result 375 states and 455 transitions. [2022-10-16 14:16:17,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 14:16:17,376 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-10-16 14:16:17,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:17,378 INFO L225 Difference]: With dead ends: 375 [2022-10-16 14:16:17,378 INFO L226 Difference]: Without dead ends: 258 [2022-10-16 14:16:17,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2022-10-16 14:16:17,379 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 132 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:17,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 466 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:16:17,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2022-10-16 14:16:17,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 196. [2022-10-16 14:16:17,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 187 states have (on average 1.2780748663101604) internal successors, (239), 195 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:17,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 239 transitions. [2022-10-16 14:16:17,402 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 239 transitions. Word has length 38 [2022-10-16 14:16:17,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:17,402 INFO L495 AbstractCegarLoop]: Abstraction has 196 states and 239 transitions. [2022-10-16 14:16:17,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:17,403 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 239 transitions. [2022-10-16 14:16:17,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-16 14:16:17,403 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:17,404 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] [2022-10-16 14:16:17,441 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 14:16:17,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:17,618 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:17,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:17,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1811783043, now seen corresponding path program 1 times [2022-10-16 14:16:17,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:17,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177244741] [2022-10-16 14:16:17,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:17,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:17,726 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 14:16:17,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:17,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177244741] [2022-10-16 14:16:17,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177244741] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:16:17,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007667206] [2022-10-16 14:16:17,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:17,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:17,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:16:17,729 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 14:16:17,749 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 14:16:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:17,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-16 14:16:17,844 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:16:17,903 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 14:16:17,904 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:16:17,999 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 14:16:17,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007667206] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:16:18,000 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:16:18,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 7] total 15 [2022-10-16 14:16:18,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796465841] [2022-10-16 14:16:18,000 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:16:18,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-16 14:16:18,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:18,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-16 14:16:18,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-10-16 14:16:18,002 INFO L87 Difference]: Start difference. First operand 196 states and 239 transitions. Second operand has 15 states, 15 states have (on average 5.666666666666667) internal successors, (85), 15 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:18,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:18,423 INFO L93 Difference]: Finished difference Result 538 states and 650 transitions. [2022-10-16 14:16:18,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-10-16 14:16:18,424 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 5.666666666666667) internal successors, (85), 15 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 38 [2022-10-16 14:16:18,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:18,427 INFO L225 Difference]: With dead ends: 538 [2022-10-16 14:16:18,428 INFO L226 Difference]: Without dead ends: 370 [2022-10-16 14:16:18,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=186, Invalid=806, Unknown=0, NotChecked=0, Total=992 [2022-10-16 14:16:18,429 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 242 mSDsluCounter, 955 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 1062 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:18,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 1062 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:16:18,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2022-10-16 14:16:18,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 218. [2022-10-16 14:16:18,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 209 states have (on average 1.2535885167464116) internal successors, (262), 217 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:18,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 262 transitions. [2022-10-16 14:16:18,454 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 262 transitions. Word has length 38 [2022-10-16 14:16:18,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:18,454 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 262 transitions. [2022-10-16 14:16:18,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 5.666666666666667) internal successors, (85), 15 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:18,455 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 262 transitions. [2022-10-16 14:16:18,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-16 14:16:18,456 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:18,457 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-10-16 14:16:18,494 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 14:16:18,671 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,SelfDestructingSolverStorable15 [2022-10-16 14:16:18,672 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:18,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:18,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1672857867, now seen corresponding path program 1 times [2022-10-16 14:16:18,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:18,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248464413] [2022-10-16 14:16:18,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:18,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:18,773 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 14:16:18,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:18,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248464413] [2022-10-16 14:16:18,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248464413] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:18,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:16:18,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:16:18,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748768744] [2022-10-16 14:16:18,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:18,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:16:18,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:18,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:16:18,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:16:18,777 INFO L87 Difference]: Start difference. First operand 218 states and 262 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:18,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:18,839 INFO L93 Difference]: Finished difference Result 249 states and 300 transitions. [2022-10-16 14:16:18,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:16:18,839 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2022-10-16 14:16:18,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:18,841 INFO L225 Difference]: With dead ends: 249 [2022-10-16 14:16:18,841 INFO L226 Difference]: Without dead ends: 248 [2022-10-16 14:16:18,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 14:16:18,843 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 112 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:18,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 110 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:16:18,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-10-16 14:16:18,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 235. [2022-10-16 14:16:18,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 226 states have (on average 1.2699115044247788) internal successors, (287), 234 states have internal predecessors, (287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:18,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 287 transitions. [2022-10-16 14:16:18,871 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 287 transitions. Word has length 46 [2022-10-16 14:16:18,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:18,872 INFO L495 AbstractCegarLoop]: Abstraction has 235 states and 287 transitions. [2022-10-16 14:16:18,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:18,873 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 287 transitions. [2022-10-16 14:16:18,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-16 14:16:18,874 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:18,874 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-10-16 14:16:18,874 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 14:16:18,874 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:18,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:18,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1672857675, now seen corresponding path program 1 times [2022-10-16 14:16:18,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:18,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850260855] [2022-10-16 14:16:18,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:18,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:18,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:19,006 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 14:16:19,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:19,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850260855] [2022-10-16 14:16:19,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850260855] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:19,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:16:19,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:16:19,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909771316] [2022-10-16 14:16:19,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:19,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:16:19,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:19,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:16:19,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:16:19,011 INFO L87 Difference]: Start difference. First operand 235 states and 287 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:19,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:19,107 INFO L93 Difference]: Finished difference Result 323 states and 397 transitions. [2022-10-16 14:16:19,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:16:19,107 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2022-10-16 14:16:19,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:19,109 INFO L225 Difference]: With dead ends: 323 [2022-10-16 14:16:19,109 INFO L226 Difference]: Without dead ends: 288 [2022-10-16 14:16:19,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 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 14:16:19,111 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 65 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:19,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 254 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:16:19,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2022-10-16 14:16:19,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 243. [2022-10-16 14:16:19,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 234 states have (on average 1.2692307692307692) internal successors, (297), 242 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:19,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 297 transitions. [2022-10-16 14:16:19,149 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 297 transitions. Word has length 46 [2022-10-16 14:16:19,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:19,149 INFO L495 AbstractCegarLoop]: Abstraction has 243 states and 297 transitions. [2022-10-16 14:16:19,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:19,149 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 297 transitions. [2022-10-16 14:16:19,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-16 14:16:19,150 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:19,150 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:19,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 14:16:19,151 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:19,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:19,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1724381178, now seen corresponding path program 1 times [2022-10-16 14:16:19,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:19,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585884234] [2022-10-16 14:16:19,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:19,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:19,291 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 14:16:19,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:19,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585884234] [2022-10-16 14:16:19,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585884234] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:16:19,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474297536] [2022-10-16 14:16:19,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:19,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:19,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:16:19,294 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 14:16:19,322 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 14:16:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:19,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-16 14:16:19,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:16:19,532 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 14:16:19,533 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:16:19,689 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 14:16:19,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1474297536] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:16:19,689 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:16:19,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 21 [2022-10-16 14:16:19,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049315772] [2022-10-16 14:16:19,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:16:19,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-10-16 14:16:19,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:19,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-10-16 14:16:19,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2022-10-16 14:16:19,692 INFO L87 Difference]: Start difference. First operand 243 states and 297 transitions. Second operand has 21 states, 21 states have (on average 4.619047619047619) internal successors, (97), 21 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:20,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:20,688 INFO L93 Difference]: Finished difference Result 518 states and 630 transitions. [2022-10-16 14:16:20,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-10-16 14:16:20,689 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.619047619047619) internal successors, (97), 21 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2022-10-16 14:16:20,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:20,691 INFO L225 Difference]: With dead ends: 518 [2022-10-16 14:16:20,691 INFO L226 Difference]: Without dead ends: 371 [2022-10-16 14:16:20,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 824 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=686, Invalid=2506, Unknown=0, NotChecked=0, Total=3192 [2022-10-16 14:16:20,694 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 607 mSDsluCounter, 843 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 607 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:20,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [607 Valid, 919 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 14:16:20,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2022-10-16 14:16:20,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 283. [2022-10-16 14:16:20,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 274 states have (on average 1.2226277372262773) internal successors, (335), 282 states have internal predecessors, (335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:20,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 335 transitions. [2022-10-16 14:16:20,722 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 335 transitions. Word has length 46 [2022-10-16 14:16:20,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:20,722 INFO L495 AbstractCegarLoop]: Abstraction has 283 states and 335 transitions. [2022-10-16 14:16:20,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.619047619047619) internal successors, (97), 21 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:20,723 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 335 transitions. [2022-10-16 14:16:20,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 14:16:20,724 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:20,724 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-10-16 14:16:20,751 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 14:16:20,936 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 14:16:20,937 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:20,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:20,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1222500107, now seen corresponding path program 1 times [2022-10-16 14:16:20,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:20,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751733800] [2022-10-16 14:16:20,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:20,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:21,114 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-10-16 14:16:21,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:21,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751733800] [2022-10-16 14:16:21,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751733800] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:16:21,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079473165] [2022-10-16 14:16:21,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:21,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:21,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:16:21,117 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 14:16:21,121 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 14:16:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:21,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 14:16:21,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:16:21,361 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-10-16 14:16:21,361 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:16:21,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079473165] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:21,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:16:21,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-10-16 14:16:21,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900314041] [2022-10-16 14:16:21,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:21,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:16:21,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:21,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:16:21,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:16:21,364 INFO L87 Difference]: Start difference. First operand 283 states and 335 transitions. Second operand has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:21,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:21,437 INFO L93 Difference]: Finished difference Result 352 states and 421 transitions. [2022-10-16 14:16:21,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:16:21,437 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-16 14:16:21,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:21,440 INFO L225 Difference]: With dead ends: 352 [2022-10-16 14:16:21,440 INFO L226 Difference]: Without dead ends: 351 [2022-10-16 14:16:21,440 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:16:21,442 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 120 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:21,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 231 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:16:21,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2022-10-16 14:16:21,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 189. [2022-10-16 14:16:21,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 181 states have (on average 1.2486187845303867) internal successors, (226), 188 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:21,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 226 transitions. [2022-10-16 14:16:21,482 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 226 transitions. Word has length 61 [2022-10-16 14:16:21,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:21,483 INFO L495 AbstractCegarLoop]: Abstraction has 189 states and 226 transitions. [2022-10-16 14:16:21,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.2) internal successors, (41), 6 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:21,483 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 226 transitions. [2022-10-16 14:16:21,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 14:16:21,484 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:21,484 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:21,519 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 14:16:21,700 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 14:16:21,701 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:21,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:21,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1626988974, now seen corresponding path program 2 times [2022-10-16 14:16:21,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:21,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557773751] [2022-10-16 14:16:21,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:21,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:21,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:22,095 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 33 proven. 18 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 14:16:22,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:22,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557773751] [2022-10-16 14:16:22,096 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557773751] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:16:22,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453543501] [2022-10-16 14:16:22,096 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:16:22,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:22,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:16:22,100 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 14:16:22,107 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 14:16:22,235 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 14:16:22,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:16:22,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-16 14:16:22,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:16:22,331 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 33 proven. 18 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 14:16:22,331 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:16:22,487 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 33 proven. 18 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 14:16:22,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453543501] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:16:22,488 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:16:22,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 20 [2022-10-16 14:16:22,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820053287] [2022-10-16 14:16:22,488 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:16:22,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-10-16 14:16:22,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:22,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-10-16 14:16:22,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=317, Unknown=0, NotChecked=0, Total=380 [2022-10-16 14:16:22,490 INFO L87 Difference]: Start difference. First operand 189 states and 226 transitions. Second operand has 20 states, 20 states have (on average 3.9) internal successors, (78), 20 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:23,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:23,343 INFO L93 Difference]: Finished difference Result 480 states and 587 transitions. [2022-10-16 14:16:23,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-16 14:16:23,344 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.9) internal successors, (78), 20 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-16 14:16:23,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:23,346 INFO L225 Difference]: With dead ends: 480 [2022-10-16 14:16:23,346 INFO L226 Difference]: Without dead ends: 347 [2022-10-16 14:16:23,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 113 SyntacticMatches, 8 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 512 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=522, Invalid=1734, Unknown=0, NotChecked=0, Total=2256 [2022-10-16 14:16:23,349 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 299 mSDsluCounter, 1667 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 1838 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:23,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 1838 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 14:16:23,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2022-10-16 14:16:23,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 204. [2022-10-16 14:16:23,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 196 states have (on average 1.2295918367346939) internal successors, (241), 203 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:23,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 241 transitions. [2022-10-16 14:16:23,376 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 241 transitions. Word has length 63 [2022-10-16 14:16:23,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:23,376 INFO L495 AbstractCegarLoop]: Abstraction has 204 states and 241 transitions. [2022-10-16 14:16:23,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.9) internal successors, (78), 20 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:23,377 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 241 transitions. [2022-10-16 14:16:23,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 14:16:23,378 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:23,378 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:23,410 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 14:16:23,593 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 14:16:23,594 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:23,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:23,595 INFO L85 PathProgramCache]: Analyzing trace with hash -1425674578, now seen corresponding path program 3 times [2022-10-16 14:16:23,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:23,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461756690] [2022-10-16 14:16:23,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:23,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:23,723 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-10-16 14:16:23,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:23,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461756690] [2022-10-16 14:16:23,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461756690] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:16:23,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595802690] [2022-10-16 14:16:23,724 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-16 14:16:23,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:23,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:16:23,726 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 14:16:23,735 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 14:16:23,842 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-10-16 14:16:23,842 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:16:23,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:16:23,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:16:23,867 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-10-16 14:16:23,868 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:16:23,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595802690] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:23,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:16:23,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-10-16 14:16:23,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038463641] [2022-10-16 14:16:23,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:23,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:16:23,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:23,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:16:23,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:16:23,871 INFO L87 Difference]: Start difference. First operand 204 states and 241 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:23,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:23,917 INFO L93 Difference]: Finished difference Result 204 states and 241 transitions. [2022-10-16 14:16:23,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:16:23,918 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-16 14:16:23,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:23,920 INFO L225 Difference]: With dead ends: 204 [2022-10-16 14:16:23,920 INFO L226 Difference]: Without dead ends: 203 [2022-10-16 14:16:23,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:16:23,922 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 28 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 156 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 14:16:23,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 156 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:16:23,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2022-10-16 14:16:23,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2022-10-16 14:16:23,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 196 states have (on average 1.219387755102041) internal successors, (239), 202 states have internal predecessors, (239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:23,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 239 transitions. [2022-10-16 14:16:23,953 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 239 transitions. Word has length 63 [2022-10-16 14:16:23,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:23,954 INFO L495 AbstractCegarLoop]: Abstraction has 203 states and 239 transitions. [2022-10-16 14:16:23,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:23,954 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 239 transitions. [2022-10-16 14:16:23,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 14:16:23,955 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:23,955 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 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 14:16:24,002 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 14:16:24,169 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 14:16:24,169 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:24,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:24,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1451413059, now seen corresponding path program 1 times [2022-10-16 14:16:24,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:24,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943725374] [2022-10-16 14:16:24,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:24,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:24,367 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-10-16 14:16:24,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:24,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943725374] [2022-10-16 14:16:24,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943725374] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:24,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:16:24,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 14:16:24,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348979781] [2022-10-16 14:16:24,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:24,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:16:24,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:24,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:16:24,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:16:24,373 INFO L87 Difference]: Start difference. First operand 203 states and 239 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:24,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:24,527 INFO L93 Difference]: Finished difference Result 273 states and 327 transitions. [2022-10-16 14:16:24,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:16:24,527 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-16 14:16:24,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:24,529 INFO L225 Difference]: With dead ends: 273 [2022-10-16 14:16:24,529 INFO L226 Difference]: Without dead ends: 210 [2022-10-16 14:16:24,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:16:24,530 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 145 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:24,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 207 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:16:24,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2022-10-16 14:16:24,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 200. [2022-10-16 14:16:24,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 193 states have (on average 1.2124352331606219) internal successors, (234), 199 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:24,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 234 transitions. [2022-10-16 14:16:24,556 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 234 transitions. Word has length 64 [2022-10-16 14:16:24,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:24,557 INFO L495 AbstractCegarLoop]: Abstraction has 200 states and 234 transitions. [2022-10-16 14:16:24,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:24,557 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 234 transitions. [2022-10-16 14:16:24,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 14:16:24,558 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:24,558 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:24,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 14:16:24,559 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:24,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:24,559 INFO L85 PathProgramCache]: Analyzing trace with hash 21303312, now seen corresponding path program 2 times [2022-10-16 14:16:24,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:24,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831294885] [2022-10-16 14:16:24,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:24,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:24,718 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-10-16 14:16:24,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:24,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831294885] [2022-10-16 14:16:24,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831294885] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:16:24,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823058000] [2022-10-16 14:16:24,719 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:16:24,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:24,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:16:24,721 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 14:16:24,746 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 14:16:24,882 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 14:16:24,883 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:16:24,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 14:16:24,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:16:24,922 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-10-16 14:16:24,923 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:16:24,994 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-10-16 14:16:24,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823058000] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:16:24,994 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:16:24,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2022-10-16 14:16:24,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809018579] [2022-10-16 14:16:24,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:16:24,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-16 14:16:24,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:24,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-16 14:16:24,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2022-10-16 14:16:24,997 INFO L87 Difference]: Start difference. First operand 200 states and 234 transitions. Second operand has 16 states, 15 states have (on average 3.466666666666667) internal successors, (52), 16 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:25,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:25,157 INFO L93 Difference]: Finished difference Result 404 states and 490 transitions. [2022-10-16 14:16:25,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 14:16:25,158 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.466666666666667) internal successors, (52), 16 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-16 14:16:25,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:25,161 INFO L225 Difference]: With dead ends: 404 [2022-10-16 14:16:25,161 INFO L226 Difference]: Without dead ends: 403 [2022-10-16 14:16:25,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2022-10-16 14:16:25,164 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 237 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:25,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 627 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:16:25,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2022-10-16 14:16:25,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 224. [2022-10-16 14:16:25,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 217 states have (on average 1.2258064516129032) internal successors, (266), 223 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:25,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 266 transitions. [2022-10-16 14:16:25,198 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 266 transitions. Word has length 65 [2022-10-16 14:16:25,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:25,198 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 266 transitions. [2022-10-16 14:16:25,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.466666666666667) internal successors, (52), 16 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:25,198 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 266 transitions. [2022-10-16 14:16:25,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 14:16:25,199 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:25,200 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 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 14:16:25,242 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 14:16:25,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-10-16 14:16:25,415 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:25,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:25,416 INFO L85 PathProgramCache]: Analyzing trace with hash 608879340, now seen corresponding path program 1 times [2022-10-16 14:16:25,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:25,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398626122] [2022-10-16 14:16:25,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:25,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:25,504 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-10-16 14:16:25,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:25,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398626122] [2022-10-16 14:16:25,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398626122] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:25,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:16:25,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 14:16:25,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409922923] [2022-10-16 14:16:25,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:25,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:16:25,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:25,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:16:25,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:16:25,507 INFO L87 Difference]: Start difference. First operand 224 states and 266 transitions. Second operand has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:25,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:25,556 INFO L93 Difference]: Finished difference Result 224 states and 266 transitions. [2022-10-16 14:16:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:16:25,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 66 [2022-10-16 14:16:25,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:25,558 INFO L225 Difference]: With dead ends: 224 [2022-10-16 14:16:25,558 INFO L226 Difference]: Without dead ends: 223 [2022-10-16 14:16:25,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:16:25,559 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 2 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:25,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 116 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:16:25,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2022-10-16 14:16:25,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2022-10-16 14:16:25,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 217 states have (on average 1.2211981566820276) internal successors, (265), 222 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:25,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 265 transitions. [2022-10-16 14:16:25,590 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 265 transitions. Word has length 66 [2022-10-16 14:16:25,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:25,590 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 265 transitions. [2022-10-16 14:16:25,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.0) internal successors, (40), 3 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:25,590 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 265 transitions. [2022-10-16 14:16:25,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 14:16:25,591 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:25,591 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 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 14:16:25,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 14:16:25,592 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:25,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:25,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1695303670, now seen corresponding path program 1 times [2022-10-16 14:16:25,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:25,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230568270] [2022-10-16 14:16:25,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:25,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:25,693 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-10-16 14:16:25,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:25,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230568270] [2022-10-16 14:16:25,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230568270] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:25,694 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:16:25,694 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:16:25,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102237987] [2022-10-16 14:16:25,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:25,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:16:25,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:25,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:16:25,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:16:25,696 INFO L87 Difference]: Start difference. First operand 223 states and 265 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:25,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:25,782 INFO L93 Difference]: Finished difference Result 233 states and 275 transitions. [2022-10-16 14:16:25,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:16:25,783 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-10-16 14:16:25,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:25,785 INFO L225 Difference]: With dead ends: 233 [2022-10-16 14:16:25,785 INFO L226 Difference]: Without dead ends: 232 [2022-10-16 14:16:25,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 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 14:16:25,786 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 105 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:25,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 132 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:16:25,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2022-10-16 14:16:25,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 228. [2022-10-16 14:16:25,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 222 states have (on average 1.2162162162162162) internal successors, (270), 227 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:25,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 270 transitions. [2022-10-16 14:16:25,828 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 270 transitions. Word has length 67 [2022-10-16 14:16:25,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:25,828 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 270 transitions. [2022-10-16 14:16:25,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:25,829 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 270 transitions. [2022-10-16 14:16:25,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 14:16:25,830 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:25,830 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 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 14:16:25,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 14:16:25,831 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:25,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:25,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1695390545, now seen corresponding path program 1 times [2022-10-16 14:16:25,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:25,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660238372] [2022-10-16 14:16:25,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:25,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:25,912 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-10-16 14:16:25,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:25,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660238372] [2022-10-16 14:16:25,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660238372] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:25,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:16:25,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 14:16:25,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293961049] [2022-10-16 14:16:25,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:25,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:16:25,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:25,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:16:25,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:16:25,916 INFO L87 Difference]: Start difference. First operand 228 states and 270 transitions. Second operand has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:25,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:25,950 INFO L93 Difference]: Finished difference Result 228 states and 270 transitions. [2022-10-16 14:16:25,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:16:25,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-10-16 14:16:25,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:25,953 INFO L225 Difference]: With dead ends: 228 [2022-10-16 14:16:25,953 INFO L226 Difference]: Without dead ends: 227 [2022-10-16 14:16:25,954 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:16:25,954 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 0 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:25,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:16:25,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2022-10-16 14:16:25,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2022-10-16 14:16:25,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 222 states have (on average 1.2117117117117118) internal successors, (269), 226 states have internal predecessors, (269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:25,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 269 transitions. [2022-10-16 14:16:25,987 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 269 transitions. Word has length 67 [2022-10-16 14:16:25,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:25,988 INFO L495 AbstractCegarLoop]: Abstraction has 227 states and 269 transitions. [2022-10-16 14:16:25,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:25,988 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 269 transitions. [2022-10-16 14:16:25,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 14:16:25,989 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:25,989 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 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 14:16:25,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 14:16:25,990 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:25,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:25,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1014806427, now seen corresponding path program 1 times [2022-10-16 14:16:25,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:25,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982060953] [2022-10-16 14:16:25,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:25,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:26,321 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-10-16 14:16:26,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:26,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982060953] [2022-10-16 14:16:26,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982060953] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:16:26,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328824853] [2022-10-16 14:16:26,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:26,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:26,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:16:26,328 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 14:16:26,356 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 14:16:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:26,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 14:16:26,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:16:26,744 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-10-16 14:16:26,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:16:26,891 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-10-16 14:16:26,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1328824853] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:16:26,892 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:16:26,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2022-10-16 14:16:26,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652711352] [2022-10-16 14:16:26,893 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:16:26,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-10-16 14:16:26,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:26,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-10-16 14:16:26,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=308, Unknown=0, NotChecked=0, Total=380 [2022-10-16 14:16:26,895 INFO L87 Difference]: Start difference. First operand 227 states and 269 transitions. Second operand has 20 states, 20 states have (on average 4.35) internal successors, (87), 20 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:27,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:27,228 INFO L93 Difference]: Finished difference Result 325 states and 392 transitions. [2022-10-16 14:16:27,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 14:16:27,229 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 4.35) internal successors, (87), 20 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 68 [2022-10-16 14:16:27,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:27,230 INFO L225 Difference]: With dead ends: 325 [2022-10-16 14:16:27,231 INFO L226 Difference]: Without dead ends: 231 [2022-10-16 14:16:27,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 124 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=202, Invalid=668, Unknown=0, NotChecked=0, Total=870 [2022-10-16 14:16:27,232 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 253 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:27,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 370 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:16:27,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2022-10-16 14:16:27,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 227. [2022-10-16 14:16:27,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 222 states have (on average 1.2027027027027026) internal successors, (267), 226 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:27,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 267 transitions. [2022-10-16 14:16:27,267 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 267 transitions. Word has length 68 [2022-10-16 14:16:27,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:27,267 INFO L495 AbstractCegarLoop]: Abstraction has 227 states and 267 transitions. [2022-10-16 14:16:27,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 4.35) internal successors, (87), 20 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:27,268 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 267 transitions. [2022-10-16 14:16:27,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 14:16:27,269 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:27,269 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 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 14:16:27,313 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 14:16:27,482 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,SelfDestructingSolverStorable27 [2022-10-16 14:16:27,483 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:27,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:27,484 INFO L85 PathProgramCache]: Analyzing trace with hash -679811397, now seen corresponding path program 2 times [2022-10-16 14:16:27,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:27,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256106165] [2022-10-16 14:16:27,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:27,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:27,608 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-10-16 14:16:27,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:27,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256106165] [2022-10-16 14:16:27,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256106165] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:27,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:16:27,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:16:27,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456807988] [2022-10-16 14:16:27,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:27,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:16:27,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:27,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:16:27,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:16:27,611 INFO L87 Difference]: Start difference. First operand 227 states and 267 transitions. Second operand has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:27,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:27,713 INFO L93 Difference]: Finished difference Result 272 states and 325 transitions. [2022-10-16 14:16:27,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:16:27,714 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 14:16:27,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:27,716 INFO L225 Difference]: With dead ends: 272 [2022-10-16 14:16:27,716 INFO L226 Difference]: Without dead ends: 267 [2022-10-16 14:16:27,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 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 14:16:27,717 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 100 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:27,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 131 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:16:27,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2022-10-16 14:16:27,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 264. [2022-10-16 14:16:27,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 259 states have (on average 1.223938223938224) internal successors, (317), 263 states have internal predecessors, (317), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:27,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 317 transitions. [2022-10-16 14:16:27,758 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 317 transitions. Word has length 74 [2022-10-16 14:16:27,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:27,758 INFO L495 AbstractCegarLoop]: Abstraction has 264 states and 317 transitions. [2022-10-16 14:16:27,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:27,758 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 317 transitions. [2022-10-16 14:16:27,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 14:16:27,759 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:27,759 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 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 14:16:27,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 14:16:27,760 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:27,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:27,760 INFO L85 PathProgramCache]: Analyzing trace with hash 484170131, now seen corresponding path program 1 times [2022-10-16 14:16:27,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:27,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114087228] [2022-10-16 14:16:27,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:27,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:27,914 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2022-10-16 14:16:27,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:27,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114087228] [2022-10-16 14:16:27,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114087228] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:27,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:16:27,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:16:27,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118722562] [2022-10-16 14:16:27,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:27,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:16:27,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:27,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:16:27,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:16:27,917 INFO L87 Difference]: Start difference. First operand 264 states and 317 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:28,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:28,005 INFO L93 Difference]: Finished difference Result 269 states and 322 transitions. [2022-10-16 14:16:28,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:16:28,006 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-16 14:16:28,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:28,008 INFO L225 Difference]: With dead ends: 269 [2022-10-16 14:16:28,008 INFO L226 Difference]: Without dead ends: 268 [2022-10-16 14:16:28,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 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 14:16:28,009 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 35 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:28,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 192 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:16:28,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2022-10-16 14:16:28,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 266. [2022-10-16 14:16:28,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 261 states have (on average 1.2222222222222223) internal successors, (319), 265 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:28,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 319 transitions. [2022-10-16 14:16:28,050 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 319 transitions. Word has length 75 [2022-10-16 14:16:28,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:28,050 INFO L495 AbstractCegarLoop]: Abstraction has 266 states and 319 transitions. [2022-10-16 14:16:28,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:28,051 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 319 transitions. [2022-10-16 14:16:28,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 14:16:28,052 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:28,052 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 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 14:16:28,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 14:16:28,052 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:28,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:28,053 INFO L85 PathProgramCache]: Analyzing trace with hash 2124372382, now seen corresponding path program 1 times [2022-10-16 14:16:28,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:28,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598956408] [2022-10-16 14:16:28,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:28,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:28,267 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-10-16 14:16:28,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:28,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598956408] [2022-10-16 14:16:28,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598956408] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:16:28,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969523347] [2022-10-16 14:16:28,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:28,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:28,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:16:28,270 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 14:16:28,279 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 14:16:28,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:28,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-16 14:16:28,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:16:28,491 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-10-16 14:16:28,492 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:16:28,573 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-10-16 14:16:28,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969523347] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:16:28,573 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:16:28,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 17 [2022-10-16 14:16:28,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834076968] [2022-10-16 14:16:28,574 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:16:28,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-10-16 14:16:28,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:28,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-10-16 14:16:28,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2022-10-16 14:16:28,576 INFO L87 Difference]: Start difference. First operand 266 states and 319 transitions. Second operand has 17 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 17 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:29,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:29,279 INFO L93 Difference]: Finished difference Result 695 states and 845 transitions. [2022-10-16 14:16:29,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-10-16 14:16:29,280 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 17 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 14:16:29,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:29,284 INFO L225 Difference]: With dead ends: 695 [2022-10-16 14:16:29,284 INFO L226 Difference]: Without dead ends: 645 [2022-10-16 14:16:29,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 146 SyntacticMatches, 5 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 824 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=604, Invalid=2258, Unknown=0, NotChecked=0, Total=2862 [2022-10-16 14:16:29,288 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 301 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:29,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 624 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:16:29,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2022-10-16 14:16:29,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 270. [2022-10-16 14:16:29,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 270 states, 265 states have (on average 1.2226415094339622) internal successors, (324), 269 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:29,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 324 transitions. [2022-10-16 14:16:29,338 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 324 transitions. Word has length 76 [2022-10-16 14:16:29,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:29,339 INFO L495 AbstractCegarLoop]: Abstraction has 270 states and 324 transitions. [2022-10-16 14:16:29,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 17 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:29,339 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 324 transitions. [2022-10-16 14:16:29,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 14:16:29,340 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:29,341 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:29,385 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 14:16:29,556 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,SelfDestructingSolverStorable30 [2022-10-16 14:16:29,556 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:29,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:29,557 INFO L85 PathProgramCache]: Analyzing trace with hash -895995440, now seen corresponding path program 3 times [2022-10-16 14:16:29,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:29,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790866377] [2022-10-16 14:16:29,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:29,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:29,921 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-10-16 14:16:29,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:29,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790866377] [2022-10-16 14:16:29,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790866377] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:16:29,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223910265] [2022-10-16 14:16:29,922 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-16 14:16:29,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:29,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:16:29,924 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 14:16:29,945 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 14:16:30,164 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2022-10-16 14:16:30,165 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:16:30,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-16 14:16:30,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:16:30,229 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-10-16 14:16:30,229 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:16:30,494 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-10-16 14:16:30,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1223910265] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:16:30,495 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:16:30,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 31 [2022-10-16 14:16:30,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273902205] [2022-10-16 14:16:30,496 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:16:30,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-10-16 14:16:30,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:30,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-10-16 14:16:30,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=721, Unknown=0, NotChecked=0, Total=992 [2022-10-16 14:16:30,502 INFO L87 Difference]: Start difference. First operand 270 states and 324 transitions. Second operand has 32 states, 31 states have (on average 2.4516129032258065) internal successors, (76), 32 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:30,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:30,979 INFO L93 Difference]: Finished difference Result 998 states and 1232 transitions. [2022-10-16 14:16:30,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-16 14:16:30,980 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 2.4516129032258065) internal successors, (76), 32 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 14:16:30,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:30,985 INFO L225 Difference]: With dead ends: 998 [2022-10-16 14:16:30,986 INFO L226 Difference]: Without dead ends: 997 [2022-10-16 14:16:30,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 440 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=602, Invalid=1468, Unknown=0, NotChecked=0, Total=2070 [2022-10-16 14:16:30,988 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 627 mSDsluCounter, 812 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 627 SdHoareTripleChecker+Valid, 887 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:30,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [627 Valid, 887 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:16:30,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2022-10-16 14:16:31,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 342. [2022-10-16 14:16:31,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 337 states have (on average 1.2462908011869436) internal successors, (420), 341 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:31,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 420 transitions. [2022-10-16 14:16:31,058 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 420 transitions. Word has length 77 [2022-10-16 14:16:31,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:31,058 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 420 transitions. [2022-10-16 14:16:31,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 2.4516129032258065) internal successors, (76), 32 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:31,059 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 420 transitions. [2022-10-16 14:16:31,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 14:16:31,060 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:31,060 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 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 14:16:31,104 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 14:16:31,275 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,SelfDestructingSolverStorable31 [2022-10-16 14:16:31,276 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:31,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:31,277 INFO L85 PathProgramCache]: Analyzing trace with hash 1418487998, now seen corresponding path program 2 times [2022-10-16 14:16:31,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:31,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205885886] [2022-10-16 14:16:31,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:31,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:31,456 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-10-16 14:16:31,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:31,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205885886] [2022-10-16 14:16:31,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205885886] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:31,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:16:31,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:16:31,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150113881] [2022-10-16 14:16:31,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:31,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:16:31,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:31,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:16:31,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:16:31,459 INFO L87 Difference]: Start difference. First operand 342 states and 420 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:31,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:31,583 INFO L93 Difference]: Finished difference Result 416 states and 514 transitions. [2022-10-16 14:16:31,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:16:31,584 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-10-16 14:16:31,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:31,586 INFO L225 Difference]: With dead ends: 416 [2022-10-16 14:16:31,587 INFO L226 Difference]: Without dead ends: 341 [2022-10-16 14:16:31,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 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 14:16:31,589 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 20 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:31,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 233 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:16:31,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2022-10-16 14:16:31,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 333. [2022-10-16 14:16:31,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 330 states have (on average 1.2363636363636363) internal successors, (408), 332 states have internal predecessors, (408), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:31,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 408 transitions. [2022-10-16 14:16:31,656 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 408 transitions. Word has length 82 [2022-10-16 14:16:31,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:31,656 INFO L495 AbstractCegarLoop]: Abstraction has 333 states and 408 transitions. [2022-10-16 14:16:31,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:31,656 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 408 transitions. [2022-10-16 14:16:31,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 14:16:31,658 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:31,658 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-10-16 14:16:31,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 14:16:31,659 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:31,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:31,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1917541386, now seen corresponding path program 1 times [2022-10-16 14:16:31,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:31,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352664931] [2022-10-16 14:16:31,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:31,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:31,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:31,763 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2022-10-16 14:16:31,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:31,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352664931] [2022-10-16 14:16:31,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352664931] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:16:31,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280881556] [2022-10-16 14:16:31,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:31,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:31,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:16:31,766 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 14:16:31,787 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 14:16:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:31,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 14:16:31,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:16:32,160 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-10-16 14:16:32,160 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:16:32,356 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-10-16 14:16:32,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280881556] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:16:32,356 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:16:32,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 13, 13] total 24 [2022-10-16 14:16:32,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792722629] [2022-10-16 14:16:32,357 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:16:32,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-10-16 14:16:32,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:32,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-10-16 14:16:32,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=462, Unknown=0, NotChecked=0, Total=552 [2022-10-16 14:16:32,359 INFO L87 Difference]: Start difference. First operand 333 states and 408 transitions. Second operand has 24 states, 24 states have (on average 5.416666666666667) internal successors, (130), 24 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:33,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:33,275 INFO L93 Difference]: Finished difference Result 673 states and 842 transitions. [2022-10-16 14:16:33,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-10-16 14:16:33,275 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 5.416666666666667) internal successors, (130), 24 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-16 14:16:33,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:33,280 INFO L225 Difference]: With dead ends: 673 [2022-10-16 14:16:33,280 INFO L226 Difference]: Without dead ends: 538 [2022-10-16 14:16:33,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 149 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=753, Invalid=2217, Unknown=0, NotChecked=0, Total=2970 [2022-10-16 14:16:33,283 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 350 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:33,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 422 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:16:33,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2022-10-16 14:16:33,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 335. [2022-10-16 14:16:33,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 333 states have (on average 1.2282282282282282) internal successors, (409), 334 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:33,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 409 transitions. [2022-10-16 14:16:33,343 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 409 transitions. Word has length 86 [2022-10-16 14:16:33,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:33,344 INFO L495 AbstractCegarLoop]: Abstraction has 335 states and 409 transitions. [2022-10-16 14:16:33,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 5.416666666666667) internal successors, (130), 24 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:33,344 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 409 transitions. [2022-10-16 14:16:33,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 14:16:33,345 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:33,346 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:33,372 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-10-16 14:16:33,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2022-10-16 14:16:33,554 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:33,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:33,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1880361029, now seen corresponding path program 1 times [2022-10-16 14:16:33,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:33,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677292749] [2022-10-16 14:16:33,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:33,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:33,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:33,812 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2022-10-16 14:16:33,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:33,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677292749] [2022-10-16 14:16:33,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677292749] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:16:33,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073166134] [2022-10-16 14:16:33,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:33,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:33,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:16:33,815 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:16:33,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-10-16 14:16:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:33,999 INFO L263 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 14:16:34,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:16:34,190 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-10-16 14:16:34,191 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:16:34,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073166134] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:34,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:16:34,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2022-10-16 14:16:34,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094542702] [2022-10-16 14:16:34,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:34,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 14:16:34,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:34,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 14:16:34,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-10-16 14:16:34,194 INFO L87 Difference]: Start difference. First operand 335 states and 409 transitions. Second operand has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:34,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:34,461 INFO L93 Difference]: Finished difference Result 476 states and 586 transitions. [2022-10-16 14:16:34,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 14:16:34,462 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-10-16 14:16:34,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:34,464 INFO L225 Difference]: With dead ends: 476 [2022-10-16 14:16:34,464 INFO L226 Difference]: Without dead ends: 341 [2022-10-16 14:16:34,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2022-10-16 14:16:34,467 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 129 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:34,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 302 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:16:34,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2022-10-16 14:16:34,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 331. [2022-10-16 14:16:34,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 329 states have (on average 1.221884498480243) internal successors, (402), 330 states have internal predecessors, (402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:34,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 402 transitions. [2022-10-16 14:16:34,557 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 402 transitions. Word has length 90 [2022-10-16 14:16:34,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:34,557 INFO L495 AbstractCegarLoop]: Abstraction has 331 states and 402 transitions. [2022-10-16 14:16:34,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.111111111111111) internal successors, (55), 9 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:34,558 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 402 transitions. [2022-10-16 14:16:34,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 14:16:34,559 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:34,560 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-10-16 14:16:34,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-10-16 14:16:34,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:34,775 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:34,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:34,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1625571914, now seen corresponding path program 1 times [2022-10-16 14:16:34,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:34,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429953927] [2022-10-16 14:16:34,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:34,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:35,020 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2022-10-16 14:16:35,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:35,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429953927] [2022-10-16 14:16:35,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429953927] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:16:35,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232961430] [2022-10-16 14:16:35,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:35,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:35,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:16:35,023 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:16:35,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-10-16 14:16:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:35,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-16 14:16:35,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:16:35,356 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-10-16 14:16:35,357 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:16:35,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232961430] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:16:35,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:16:35,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2022-10-16 14:16:35,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529022315] [2022-10-16 14:16:35,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:16:35,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 14:16:35,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:35,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 14:16:35,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-10-16 14:16:35,360 INFO L87 Difference]: Start difference. First operand 331 states and 402 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:35,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:35,561 INFO L93 Difference]: Finished difference Result 405 states and 492 transitions. [2022-10-16 14:16:35,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 14:16:35,561 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 14:16:35,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:35,564 INFO L225 Difference]: With dead ends: 405 [2022-10-16 14:16:35,564 INFO L226 Difference]: Without dead ends: 336 [2022-10-16 14:16:35,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2022-10-16 14:16:35,565 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 59 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:35,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 313 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:16:35,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2022-10-16 14:16:35,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 271. [2022-10-16 14:16:35,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 269 states have (on average 1.2007434944237918) internal successors, (323), 270 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:35,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 323 transitions. [2022-10-16 14:16:35,623 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 323 transitions. Word has length 92 [2022-10-16 14:16:35,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:35,624 INFO L495 AbstractCegarLoop]: Abstraction has 271 states and 323 transitions. [2022-10-16 14:16:35,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 9 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:35,624 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 323 transitions. [2022-10-16 14:16:35,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 14:16:35,626 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:35,626 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:35,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-10-16 14:16:35,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:35,839 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:35,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:35,840 INFO L85 PathProgramCache]: Analyzing trace with hash -1338394956, now seen corresponding path program 2 times [2022-10-16 14:16:35,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:35,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980264532] [2022-10-16 14:16:35,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:35,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:35,999 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-10-16 14:16:36,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:36,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980264532] [2022-10-16 14:16:36,000 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980264532] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:16:36,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [334381669] [2022-10-16 14:16:36,000 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:16:36,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:36,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:16:36,002 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:16:36,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-10-16 14:16:36,157 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:16:36,157 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:16:36,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:16:36,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:16:36,280 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-10-16 14:16:36,280 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:16:36,409 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-10-16 14:16:36,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [334381669] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:16:36,410 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:16:36,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 12 [2022-10-16 14:16:36,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926984434] [2022-10-16 14:16:36,411 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:16:36,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 14:16:36,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:36,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 14:16:36,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2022-10-16 14:16:36,415 INFO L87 Difference]: Start difference. First operand 271 states and 323 transitions. Second operand has 13 states, 12 states have (on average 14.166666666666666) internal successors, (170), 13 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:36,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:36,626 INFO L93 Difference]: Finished difference Result 336 states and 403 transitions. [2022-10-16 14:16:36,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 14:16:36,627 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 14.166666666666666) internal successors, (170), 13 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-10-16 14:16:36,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:36,629 INFO L225 Difference]: With dead ends: 336 [2022-10-16 14:16:36,629 INFO L226 Difference]: Without dead ends: 331 [2022-10-16 14:16:36,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=294, Unknown=0, NotChecked=0, Total=420 [2022-10-16 14:16:36,630 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 239 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:36,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 178 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:16:36,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2022-10-16 14:16:36,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 261. [2022-10-16 14:16:36,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 260 states have (on average 1.2) internal successors, (312), 260 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:36,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 312 transitions. [2022-10-16 14:16:36,690 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 312 transitions. Word has length 93 [2022-10-16 14:16:36,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:36,690 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 312 transitions. [2022-10-16 14:16:36,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 14.166666666666666) internal successors, (170), 13 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:36,691 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 312 transitions. [2022-10-16 14:16:36,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 14:16:36,692 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:36,692 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 14, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:36,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-10-16 14:16:36,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2022-10-16 14:16:36,907 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:36,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:36,907 INFO L85 PathProgramCache]: Analyzing trace with hash 335582544, now seen corresponding path program 4 times [2022-10-16 14:16:36,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:36,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712969277] [2022-10-16 14:16:36,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:36,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:37,735 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-10-16 14:16:37,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:37,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712969277] [2022-10-16 14:16:37,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712969277] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:16:37,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226071598] [2022-10-16 14:16:37,736 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-10-16 14:16:37,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:37,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:16:37,738 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:16:37,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-10-16 14:16:38,071 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-10-16 14:16:38,071 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:16:38,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 31 conjunts are in the unsatisfiable core [2022-10-16 14:16:38,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:16:38,182 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-10-16 14:16:38,182 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:16:39,124 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-10-16 14:16:39,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226071598] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:16:39,124 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:16:39,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 63 [2022-10-16 14:16:39,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805629683] [2022-10-16 14:16:39,125 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:16:39,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2022-10-16 14:16:39,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:39,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2022-10-16 14:16:39,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1055, Invalid=2977, Unknown=0, NotChecked=0, Total=4032 [2022-10-16 14:16:39,134 INFO L87 Difference]: Start difference. First operand 261 states and 312 transitions. Second operand has 64 states, 63 states have (on average 1.9682539682539681) internal successors, (124), 64 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:40,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:40,585 INFO L93 Difference]: Finished difference Result 914 states and 1107 transitions. [2022-10-16 14:16:40,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-10-16 14:16:40,586 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 63 states have (on average 1.9682539682539681) internal successors, (124), 64 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-16 14:16:40,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:40,592 INFO L225 Difference]: With dead ends: 914 [2022-10-16 14:16:40,592 INFO L226 Difference]: Without dead ends: 913 [2022-10-16 14:16:40,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1912 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=2482, Invalid=6260, Unknown=0, NotChecked=0, Total=8742 [2022-10-16 14:16:40,598 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 1446 mSDsluCounter, 889 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1446 SdHoareTripleChecker+Valid, 958 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:40,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1446 Valid, 958 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:16:40,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2022-10-16 14:16:40,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 357. [2022-10-16 14:16:40,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 356 states have (on average 1.2359550561797752) internal successors, (440), 356 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:40,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 440 transitions. [2022-10-16 14:16:40,723 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 440 transitions. Word has length 101 [2022-10-16 14:16:40,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:40,724 INFO L495 AbstractCegarLoop]: Abstraction has 357 states and 440 transitions. [2022-10-16 14:16:40,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 63 states have (on average 1.9682539682539681) internal successors, (124), 64 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:40,724 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 440 transitions. [2022-10-16 14:16:40,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-10-16 14:16:40,726 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:40,726 INFO L195 NwaCegarLoop]: trace histogram [31, 30, 30, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:40,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-10-16 14:16:40,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2022-10-16 14:16:40,940 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:40,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:40,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1075436624, now seen corresponding path program 5 times [2022-10-16 14:16:40,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:40,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084914535] [2022-10-16 14:16:40,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:40,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:16:43,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 0 proven. 1365 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-10-16 14:16:43,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:16:43,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084914535] [2022-10-16 14:16:43,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084914535] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:16:43,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606875510] [2022-10-16 14:16:43,630 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-10-16 14:16:43,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:16:43,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:16:43,631 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:16:43,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-10-16 14:16:44,341 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 31 check-sat command(s) [2022-10-16 14:16:44,341 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:16:44,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 63 conjunts are in the unsatisfiable core [2022-10-16 14:16:44,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:16:44,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 0 proven. 1365 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-10-16 14:16:44,544 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:16:48,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1416 backedges. 0 proven. 1365 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-10-16 14:16:48,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606875510] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:16:48,222 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:16:48,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 127 [2022-10-16 14:16:48,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368897553] [2022-10-16 14:16:48,222 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:16:48,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2022-10-16 14:16:48,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:16:48,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2022-10-16 14:16:48,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4159, Invalid=12097, Unknown=0, NotChecked=0, Total=16256 [2022-10-16 14:16:48,231 INFO L87 Difference]: Start difference. First operand 357 states and 440 transitions. Second operand has 128 states, 127 states have (on average 1.7322834645669292) internal successors, (220), 128 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:53,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:16:53,886 INFO L93 Difference]: Finished difference Result 1746 states and 2131 transitions. [2022-10-16 14:16:53,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2022-10-16 14:16:53,887 INFO L78 Accepts]: Start accepts. Automaton has has 128 states, 127 states have (on average 1.7322834645669292) internal successors, (220), 128 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 149 [2022-10-16 14:16:53,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:16:53,896 INFO L225 Difference]: With dead ends: 1746 [2022-10-16 14:16:53,896 INFO L226 Difference]: Without dead ends: 1745 [2022-10-16 14:16:53,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7928 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=10082, Invalid=25828, Unknown=0, NotChecked=0, Total=35910 [2022-10-16 14:16:53,903 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 3979 mSDsluCounter, 1577 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3979 SdHoareTripleChecker+Valid, 1646 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:16:53,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3979 Valid, 1646 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:16:53,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1745 states. [2022-10-16 14:16:54,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1745 to 549. [2022-10-16 14:16:54,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 548 states have (on average 1.27007299270073) internal successors, (696), 548 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:54,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 696 transitions. [2022-10-16 14:16:54,055 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 696 transitions. Word has length 149 [2022-10-16 14:16:54,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:16:54,056 INFO L495 AbstractCegarLoop]: Abstraction has 549 states and 696 transitions. [2022-10-16 14:16:54,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 128 states, 127 states have (on average 1.7322834645669292) internal successors, (220), 128 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:16:54,056 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 696 transitions. [2022-10-16 14:16:54,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-10-16 14:16:54,060 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:16:54,060 INFO L195 NwaCegarLoop]: trace histogram [63, 62, 62, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:16:54,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-10-16 14:16:54,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2022-10-16 14:16:54,273 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-10-16 14:16:54,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:16:54,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1351718320, now seen corresponding path program 6 times [2022-10-16 14:16:54,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:16:54,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999705876] [2022-10-16 14:16:54,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:16:54,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:16:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:17:03,632 INFO L134 CoverageAnalysis]: Checked inductivity of 5848 backedges. 0 proven. 5797 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-10-16 14:17:03,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:17:03,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999705876] [2022-10-16 14:17:03,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999705876] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:17:03,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551556167] [2022-10-16 14:17:03,633 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-10-16 14:17:03,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:17:03,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:17:03,637 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:17:03,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-10-16 14:17:04,464 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2022-10-16 14:17:04,464 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:17:04,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 154 conjunts are in the unsatisfiable core [2022-10-16 14:17:04,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:17:04,525 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-10-16 14:17:04,659 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-10-16 14:17:04,660 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-10-16 14:17:04,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:17:04,993 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-10-16 14:17:04,997 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 29 [2022-10-16 14:17:05,280 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-16 14:17:05,309 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-10-16 14:17:05,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:17:05,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:17:05,688 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-10-16 14:17:05,689 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-10-16 14:17:06,084 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2022-10-16 14:17:06,106 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-10-16 14:17:06,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:17:06,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:17:06,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:17:06,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:17:06,598 INFO L356 Elim1Store]: treesize reduction 12, result has 58.6 percent of original size [2022-10-16 14:17:06,599 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 32 [2022-10-16 14:17:07,042 INFO L356 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2022-10-16 14:17:07,043 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 48 [2022-10-16 14:17:07,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:17:07,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:17:07,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:17:07,086 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 7 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 40 [2022-10-16 14:17:07,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:17:07,938 INFO L356 Elim1Store]: treesize reduction 56, result has 21.1 percent of original size [2022-10-16 14:17:07,939 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 108 treesize of output 83 [2022-10-16 14:17:07,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:17:07,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:17:07,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:17:07,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:17:07,965 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 77 [2022-10-16 14:17:08,349 INFO L356 Elim1Store]: treesize reduction 72, result has 23.4 percent of original size [2022-10-16 14:17:08,349 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 163 treesize of output 100 [2022-10-16 14:17:08,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:17:08,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:17:08,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:17:08,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:17:08,395 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 72 [2022-10-16 14:17:08,781 INFO L356 Elim1Store]: treesize reduction 120, result has 15.5 percent of original size [2022-10-16 14:17:08,782 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 9 new quantified variables, introduced 15 case distinctions, treesize of input 169 treesize of output 109 [2022-10-16 14:17:08,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:17:08,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:17:08,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:17:08,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:17:08,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:17:08,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:17:08,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:17:08,870 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 12 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 102 [2022-10-16 14:17:14,319 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 14:17:14,429 INFO L356 Elim1Store]: treesize reduction 357, result has 8.5 percent of original size [2022-10-16 14:17:14,430 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 1 disjoint index pairs (out of 45 index pairs), introduced 20 new quantified variables, introduced 45 case distinctions, treesize of input 571 treesize of output 205 [2022-10-16 14:17:14,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:17:14,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:17:14,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 14:17:14,479 INFO L356 Elim1Store]: treesize reduction 28, result has 31.7 percent of original size [2022-10-16 14:17:14,479 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 13 disjoint index pairs (out of 45 index pairs), introduced 14 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 48 [2022-10-16 14:17:14,598 INFO L134 CoverageAnalysis]: Checked inductivity of 5848 backedges. 593 proven. 42 refuted. 0 times theorem prover too weak. 5213 trivial. 0 not checked. [2022-10-16 14:17:14,598 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:17:21,812 WARN L855 $PredicateComparison]: unable to prove that (let ((.cse13 (+ |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.offset| 4))) (and (forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| Int)) (let ((.cse10 (let ((.cse14 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) 0 |c_ULTIMATE.start_sll_create_~head~0#1.base|)))) (store .cse14 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base| (store (store (select .cse14 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base|) .cse13 |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.offset| 0))))) (let ((.cse0 (select .cse10 |c_ULTIMATE.start_sll_append_~head#1.base|))) (let ((.cse1 (let ((.cse11 (let ((.cse12 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) 0 |c_ULTIMATE.start_sll_create_~head~0#1.offset|)))) (store .cse12 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base| (store (store (select .cse12 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base|) .cse13 0) |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.offset| 0))))) (store .cse11 |c_ULTIMATE.start_sll_append_~head#1.base| (store (select .cse11 |c_ULTIMATE.start_sll_append_~head#1.base|) |c_ULTIMATE.start_sll_append_~head#1.offset| |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.offset|)))) (.cse2 (store .cse10 |c_ULTIMATE.start_sll_append_~head#1.base| (store .cse0 |c_ULTIMATE.start_sll_append_~head#1.offset| |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base|)))) (let ((.cse8 (select (select .cse2 |c_ULTIMATE.start_main_~#head~1#1.base|) |c_ULTIMATE.start_main_~#head~1#1.offset|)) (.cse9 (+ (select (select .cse1 |c_ULTIMATE.start_main_~#head~1#1.base|) |c_ULTIMATE.start_main_~#head~1#1.offset|) 4))) (let ((.cse6 (select (select .cse2 .cse8) .cse9)) (.cse7 (select (select .cse1 .cse8) .cse9))) (let ((.cse3 (select (select .cse2 .cse6) .cse7)) (.cse4 (select (select .cse1 .cse6) .cse7))) (let ((.cse5 (select (select .cse1 .cse3) .cse4))) (or (not (= (select .cse0 |c_ULTIMATE.start_sll_append_~head#1.offset|) 0)) (not (< |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| |c_#StackHeapBarrier|)) (= (select (select .cse1 (select (select .cse2 .cse3) .cse4)) .cse5) 0) (= .cse3 0) (= .cse5 0) (not (= (select |c_#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) 0))))))))))) (forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| Int)) (let ((.cse25 (let ((.cse28 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) 0 |c_ULTIMATE.start_sll_create_~head~0#1.base|)))) (store .cse28 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base| (store (store (select .cse28 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base|) .cse13 |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.offset| 0))))) (let ((.cse15 (select .cse25 |c_ULTIMATE.start_sll_append_~head#1.base|))) (let ((.cse19 (let ((.cse26 (let ((.cse27 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) 0 |c_ULTIMATE.start_sll_create_~head~0#1.offset|)))) (store .cse27 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base| (store (store (select .cse27 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base|) .cse13 0) |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.offset| 0))))) (store .cse26 |c_ULTIMATE.start_sll_append_~head#1.base| (store (select .cse26 |c_ULTIMATE.start_sll_append_~head#1.base|) |c_ULTIMATE.start_sll_append_~head#1.offset| |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.offset|)))) (.cse18 (store .cse25 |c_ULTIMATE.start_sll_append_~head#1.base| (store .cse15 |c_ULTIMATE.start_sll_append_~head#1.offset| |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base|)))) (let ((.cse23 (select (select .cse18 |c_ULTIMATE.start_main_~#head~1#1.base|) |c_ULTIMATE.start_main_~#head~1#1.offset|)) (.cse24 (+ (select (select .cse19 |c_ULTIMATE.start_main_~#head~1#1.base|) |c_ULTIMATE.start_main_~#head~1#1.offset|) 4))) (let ((.cse21 (select (select .cse18 .cse23) .cse24)) (.cse22 (select (select .cse19 .cse23) .cse24))) (let ((.cse16 (select (select .cse18 .cse21) .cse22)) (.cse20 (select (select .cse19 .cse21) .cse22))) (let ((.cse17 (select (select .cse18 .cse16) .cse20))) (or (not (= (select .cse15 |c_ULTIMATE.start_sll_append_~head#1.offset|) 0)) (not (< |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| |c_#StackHeapBarrier|)) (= .cse16 0) (= .cse17 0) (not (= (select |c_#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) 0)) (= 0 (select (select .cse18 .cse17) (select (select .cse19 .cse16) .cse20)))))))))))) (forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| Int)) (let ((.cse39 (let ((.cse42 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) 0 |c_ULTIMATE.start_sll_create_~head~0#1.base|)))) (store .cse42 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base| (store (store (select .cse42 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base|) .cse13 |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.offset| 0))))) (let ((.cse30 (select .cse39 |c_ULTIMATE.start_sll_append_~head#1.base|))) (let ((.cse31 (let ((.cse40 (let ((.cse41 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) 0 |c_ULTIMATE.start_sll_create_~head~0#1.offset|)))) (store .cse41 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base| (store (store (select .cse41 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base|) .cse13 0) |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.offset| 0))))) (store .cse40 |c_ULTIMATE.start_sll_append_~head#1.base| (store (select .cse40 |c_ULTIMATE.start_sll_append_~head#1.base|) |c_ULTIMATE.start_sll_append_~head#1.offset| |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.offset|)))) (.cse32 (store .cse39 |c_ULTIMATE.start_sll_append_~head#1.base| (store .cse30 |c_ULTIMATE.start_sll_append_~head#1.offset| |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base|)))) (let ((.cse37 (select (select .cse32 |c_ULTIMATE.start_main_~#head~1#1.base|) |c_ULTIMATE.start_main_~#head~1#1.offset|)) (.cse38 (+ (select (select .cse31 |c_ULTIMATE.start_main_~#head~1#1.base|) |c_ULTIMATE.start_main_~#head~1#1.offset|) 4))) (let ((.cse35 (select (select .cse32 .cse37) .cse38)) (.cse36 (select (select .cse31 .cse37) .cse38))) (let ((.cse33 (select (select .cse32 .cse35) .cse36)) (.cse29 (select (select .cse31 .cse35) .cse36))) (let ((.cse34 (select (select .cse31 .cse33) .cse29))) (or (= .cse29 0) (not (= (select .cse30 |c_ULTIMATE.start_sll_append_~head#1.offset|) 0)) (not (< |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| |c_#StackHeapBarrier|)) (= (select (select .cse31 (select (select .cse32 .cse33) .cse29)) .cse34) 0) (= .cse34 0) (not (= (select |c_#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) 0))))))))))) (forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| Int)) (let ((.cse53 (let ((.cse56 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) 0 |c_ULTIMATE.start_sll_create_~head~0#1.base|)))) (store .cse56 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base| (store (store (select .cse56 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base|) .cse13 |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.offset| 0))))) (let ((.cse43 (select .cse53 |c_ULTIMATE.start_sll_append_~head#1.base|))) (let ((.cse44 (let ((.cse54 (let ((.cse55 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) 0 |c_ULTIMATE.start_sll_create_~head~0#1.offset|)))) (store .cse55 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base| (store (store (select .cse55 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base|) .cse13 0) |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.offset| 0))))) (store .cse54 |c_ULTIMATE.start_sll_append_~head#1.base| (store (select .cse54 |c_ULTIMATE.start_sll_append_~head#1.base|) |c_ULTIMATE.start_sll_append_~head#1.offset| |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.offset|)))) (.cse48 (store .cse53 |c_ULTIMATE.start_sll_append_~head#1.base| (store .cse43 |c_ULTIMATE.start_sll_append_~head#1.offset| |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base|)))) (let ((.cse51 (select (select .cse48 |c_ULTIMATE.start_main_~#head~1#1.base|) |c_ULTIMATE.start_main_~#head~1#1.offset|)) (.cse52 (+ (select (select .cse44 |c_ULTIMATE.start_main_~#head~1#1.base|) |c_ULTIMATE.start_main_~#head~1#1.offset|) 4))) (let ((.cse49 (select (select .cse48 .cse51) .cse52)) (.cse50 (select (select .cse44 .cse51) .cse52))) (let ((.cse46 (select (select .cse48 .cse49) .cse50)) (.cse47 (select (select .cse44 .cse49) .cse50))) (let ((.cse45 (select (select .cse48 .cse46) .cse47))) (or (not (= (select .cse43 |c_ULTIMATE.start_sll_append_~head#1.offset|) 0)) (not (< |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| |c_#StackHeapBarrier|)) (= (select (select .cse44 .cse45) (select (select .cse44 .cse46) .cse47)) 0) (= .cse46 0) (= .cse45 0) (not (= (select |c_#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) 0))))))))))) (forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| Int)) (let ((.cse67 (let ((.cse70 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) 0 |c_ULTIMATE.start_sll_create_~head~0#1.base|)))) (store .cse70 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base| (store (store (select .cse70 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base|) .cse13 |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.offset| 0))))) (let ((.cse58 (select .cse67 |c_ULTIMATE.start_sll_append_~head#1.base|))) (let ((.cse61 (let ((.cse68 (let ((.cse69 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) 0 |c_ULTIMATE.start_sll_create_~head~0#1.offset|)))) (store .cse69 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base| (store (store (select .cse69 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base|) .cse13 0) |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.offset| 0))))) (store .cse68 |c_ULTIMATE.start_sll_append_~head#1.base| (store (select .cse68 |c_ULTIMATE.start_sll_append_~head#1.base|) |c_ULTIMATE.start_sll_append_~head#1.offset| |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.offset|)))) (.cse60 (store .cse67 |c_ULTIMATE.start_sll_append_~head#1.base| (store .cse58 |c_ULTIMATE.start_sll_append_~head#1.offset| |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base|)))) (let ((.cse65 (select (select .cse60 |c_ULTIMATE.start_main_~#head~1#1.base|) |c_ULTIMATE.start_main_~#head~1#1.offset|)) (.cse66 (+ (select (select .cse61 |c_ULTIMATE.start_main_~#head~1#1.base|) |c_ULTIMATE.start_main_~#head~1#1.offset|) 4))) (let ((.cse63 (select (select .cse60 .cse65) .cse66)) (.cse64 (select (select .cse61 .cse65) .cse66))) (let ((.cse62 (select (select .cse60 .cse63) .cse64)) (.cse57 (select (select .cse61 .cse63) .cse64))) (let ((.cse59 (select (select .cse60 .cse62) .cse57))) (or (= .cse57 0) (not (= (select .cse58 |c_ULTIMATE.start_sll_append_~head#1.offset|) 0)) (not (< |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| |c_#StackHeapBarrier|)) (= .cse59 0) (not (= (select |c_#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) 0)) (= 0 (select (select .cse60 .cse59) (select (select .cse61 .cse62) .cse57)))))))))))) (forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| Int)) (let ((.cse81 (let ((.cse84 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) 0 |c_ULTIMATE.start_sll_create_~head~0#1.base|)))) (store .cse84 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base| (store (store (select .cse84 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base|) .cse13 |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.offset| 0))))) (let ((.cse71 (select .cse81 |c_ULTIMATE.start_sll_append_~head#1.base|))) (let ((.cse76 (let ((.cse82 (let ((.cse83 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) 0 |c_ULTIMATE.start_sll_create_~head~0#1.offset|)))) (store .cse83 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base| (store (store (select .cse83 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base|) .cse13 0) |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.offset| 0))))) (store .cse82 |c_ULTIMATE.start_sll_append_~head#1.base| (store (select .cse82 |c_ULTIMATE.start_sll_append_~head#1.base|) |c_ULTIMATE.start_sll_append_~head#1.offset| |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.offset|)))) (.cse74 (store .cse81 |c_ULTIMATE.start_sll_append_~head#1.base| (store .cse71 |c_ULTIMATE.start_sll_append_~head#1.offset| |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base|)))) (let ((.cse79 (select (select .cse74 |c_ULTIMATE.start_main_~#head~1#1.base|) |c_ULTIMATE.start_main_~#head~1#1.offset|)) (.cse80 (+ (select (select .cse76 |c_ULTIMATE.start_main_~#head~1#1.base|) |c_ULTIMATE.start_main_~#head~1#1.offset|) 4))) (let ((.cse77 (select (select .cse74 .cse79) .cse80)) (.cse78 (select (select .cse76 .cse79) .cse80))) (let ((.cse72 (select (select .cse74 .cse77) .cse78)) (.cse75 (select (select .cse76 .cse77) .cse78))) (let ((.cse73 (select (select .cse76 .cse72) .cse75))) (or (not (= (select .cse71 |c_ULTIMATE.start_sll_append_~head#1.offset|) 0)) (not (< |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| |c_#StackHeapBarrier|)) (= .cse72 0) (= .cse73 0) (not (= (select |c_#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) 0)) (= 0 (select (select .cse74 (select (select .cse74 .cse72) .cse75)) .cse73))))))))))) (forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| Int)) (let ((.cse95 (let ((.cse98 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) 0 |c_ULTIMATE.start_sll_create_~head~0#1.base|)))) (store .cse98 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base| (store (store (select .cse98 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base|) .cse13 |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.offset| 0))))) (let ((.cse86 (select .cse95 |c_ULTIMATE.start_sll_append_~head#1.base|))) (let ((.cse87 (let ((.cse96 (let ((.cse97 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) 0 |c_ULTIMATE.start_sll_create_~head~0#1.offset|)))) (store .cse97 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base| (store (store (select .cse97 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base|) .cse13 0) |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.offset| 0))))) (store .cse96 |c_ULTIMATE.start_sll_append_~head#1.base| (store (select .cse96 |c_ULTIMATE.start_sll_append_~head#1.base|) |c_ULTIMATE.start_sll_append_~head#1.offset| |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.offset|)))) (.cse90 (store .cse95 |c_ULTIMATE.start_sll_append_~head#1.base| (store .cse86 |c_ULTIMATE.start_sll_append_~head#1.offset| |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base|)))) (let ((.cse93 (select (select .cse90 |c_ULTIMATE.start_main_~#head~1#1.base|) |c_ULTIMATE.start_main_~#head~1#1.offset|)) (.cse94 (+ (select (select .cse87 |c_ULTIMATE.start_main_~#head~1#1.base|) |c_ULTIMATE.start_main_~#head~1#1.offset|) 4))) (let ((.cse91 (select (select .cse90 .cse93) .cse94)) (.cse92 (select (select .cse87 .cse93) .cse94))) (let ((.cse89 (select (select .cse90 .cse91) .cse92)) (.cse85 (select (select .cse87 .cse91) .cse92))) (let ((.cse88 (select (select .cse90 .cse89) .cse85))) (or (= .cse85 0) (not (= (select .cse86 |c_ULTIMATE.start_sll_append_~head#1.offset|) 0)) (not (< |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| |c_#StackHeapBarrier|)) (= (select (select .cse87 .cse88) (select (select .cse87 .cse89) .cse85)) 0) (= .cse88 0) (not (= (select |c_#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) 0))))))))))) (forall ((|v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| Int)) (let ((.cse109 (let ((.cse112 (store |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| (store (select |c_#memory_$Pointer$.base| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) 0 |c_ULTIMATE.start_sll_create_~head~0#1.base|)))) (store .cse112 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base| (store (store (select .cse112 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base|) .cse13 |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.offset| 0))))) (let ((.cse100 (select .cse109 |c_ULTIMATE.start_sll_append_~head#1.base|))) (let ((.cse104 (let ((.cse110 (let ((.cse111 (store |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| (store (select |c_#memory_$Pointer$.offset| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) 0 |c_ULTIMATE.start_sll_create_~head~0#1.offset|)))) (store .cse111 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base| (store (store (select .cse111 |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base|) .cse13 0) |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.offset| 0))))) (store .cse110 |c_ULTIMATE.start_sll_append_~head#1.base| (store (select .cse110 |c_ULTIMATE.start_sll_append_~head#1.base|) |c_ULTIMATE.start_sll_append_~head#1.offset| |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.offset|)))) (.cse102 (store .cse109 |c_ULTIMATE.start_sll_append_~head#1.base| (store .cse100 |c_ULTIMATE.start_sll_append_~head#1.offset| |c_ULTIMATE.start_node_create_with_sublist_~new_node~0#1.base|)))) (let ((.cse107 (select (select .cse102 |c_ULTIMATE.start_main_~#head~1#1.base|) |c_ULTIMATE.start_main_~#head~1#1.offset|)) (.cse108 (+ (select (select .cse104 |c_ULTIMATE.start_main_~#head~1#1.base|) |c_ULTIMATE.start_main_~#head~1#1.offset|) 4))) (let ((.cse105 (select (select .cse102 .cse107) .cse108)) (.cse106 (select (select .cse104 .cse107) .cse108))) (let ((.cse103 (select (select .cse102 .cse105) .cse106)) (.cse99 (select (select .cse104 .cse105) .cse106))) (let ((.cse101 (select (select .cse104 .cse103) .cse99))) (or (= .cse99 0) (not (= (select .cse100 |c_ULTIMATE.start_sll_append_~head#1.offset|) 0)) (not (< |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28| |c_#StackHeapBarrier|)) (= .cse101 0) (not (= (select |c_#valid| |v_ULTIMATE.start_sll_create_~new_head~0#1.base_28|) 0)) (= 0 (select (select .cse102 (select (select .cse102 .cse103) .cse99)) .cse101))))))))))))) is different from true