/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/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:20:51,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:20:51,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:20:51,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:20:51,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:20:51,652 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:20:51,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:20:51,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:20:51,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:20:51,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:20:51,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:20:51,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:20:51,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:20:51,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:20:51,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:20:51,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:20:51,667 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:20:51,668 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:20:51,670 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:20:51,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:20:51,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:20:51,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:20:51,677 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:20:51,678 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:20:51,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 16:20:51,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 16:20:51,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 16:20:51,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 16:20:51,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 16:20:51,688 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 16:20:51,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 16:20:51,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 16:20:51,690 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 16:20:51,691 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 16:20:51,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 16:20:51,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 16:20:51,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 16:20:51,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 16:20:51,693 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:20:51,694 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:20:51,695 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:20:51,696 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:20:51,748 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:20:51,748 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:20:51,751 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:20:51,752 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:20:51,752 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:20:51,753 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:20:51,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:20:51,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:20:51,754 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:20:51,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:20:51,755 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:20:51,755 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:20:51,755 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:20:51,755 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:20:51,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:20:51,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:20:51,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:20:51,756 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:20:51,756 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:20:51,756 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:20:51,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:20:51,757 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:20:51,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:20:51,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:20:51,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:20:51,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:20:51,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:20:51,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:20:51,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:20:51,760 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:20:51,760 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:20:51,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:20:51,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:20:51,761 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:20:52,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:20:52,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:20:52,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:20:52,197 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:20:52,198 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:20:52,199 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 16:20:52,271 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df8d3eb25/c6dae39d324c458f95b267c58c5095cb/FLAGa0f8cc7d4 [2022-10-16 16:20:52,887 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:20:52,888 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 16:20:52,908 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df8d3eb25/c6dae39d324c458f95b267c58c5095cb/FLAGa0f8cc7d4 [2022-10-16 16:20:53,210 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df8d3eb25/c6dae39d324c458f95b267c58c5095cb [2022-10-16 16:20:53,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:20:53,232 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:20:53,234 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:20:53,234 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:20:53,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:20:53,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:20:53" (1/1) ... [2022-10-16 16:20:53,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b33733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:20:53, skipping insertion in model container [2022-10-16 16:20:53,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:20:53" (1/1) ... [2022-10-16 16:20:53,249 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:20:53,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:20:53,561 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/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[6874,6887] [2022-10-16 16:20:53,597 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/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[9049,9062] [2022-10-16 16:20:53,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:20:53,646 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:20:53,743 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/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[6874,6887] [2022-10-16 16:20:53,755 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/seq-mthreaded-reduced/pals_lcr.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c[9049,9062] [2022-10-16 16:20:53,762 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:20:53,791 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:20:53,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:20:53 WrapperNode [2022-10-16 16:20:53,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:20:53,793 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:20:53,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:20:53,794 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:20:53,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:20:53" (1/1) ... [2022-10-16 16:20:53,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:20:53" (1/1) ... [2022-10-16 16:20:53,863 INFO L138 Inliner]: procedures = 23, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 477 [2022-10-16 16:20:53,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:20:53,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:20:53,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:20:53,867 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:20:53,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:20:53" (1/1) ... [2022-10-16 16:20:53,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:20:53" (1/1) ... [2022-10-16 16:20:53,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:20:53" (1/1) ... [2022-10-16 16:20:53,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:20:53" (1/1) ... [2022-10-16 16:20:53,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:20:53" (1/1) ... [2022-10-16 16:20:53,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:20:53" (1/1) ... [2022-10-16 16:20:53,940 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:20:53" (1/1) ... [2022-10-16 16:20:53,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:20:53" (1/1) ... [2022-10-16 16:20:53,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:20:53,957 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:20:53,957 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:20:53,957 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:20:53,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:20:53" (1/1) ... [2022-10-16 16:20:53,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:20:53,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:20:54,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:20:54,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:20:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:20:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:20:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:20:54,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:20:54,299 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:20:54,302 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:20:54,975 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:20:54,994 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:20:54,994 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:20:54,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:20:54 BoogieIcfgContainer [2022-10-16 16:20:54,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:20:55,005 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:20:55,005 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:20:55,009 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:20:55,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:20:53" (1/3) ... [2022-10-16 16:20:55,011 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@692b8498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:20:55, skipping insertion in model container [2022-10-16 16:20:55,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:20:53" (2/3) ... [2022-10-16 16:20:55,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@692b8498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:20:55, skipping insertion in model container [2022-10-16 16:20:55,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:20:54" (3/3) ... [2022-10-16 16:20:55,013 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2022-10-16 16:20:55,036 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:20:55,036 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-10-16 16:20:55,103 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:20:55,112 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;@97e3910, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:20:55,112 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2022-10-16 16:20:55,118 INFO L276 IsEmpty]: Start isEmpty. Operand has 165 states, 132 states have (on average 1.8106060606060606) internal successors, (239), 164 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 16:20:55,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-16 16:20:55,127 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:20:55,128 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:20:55,129 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:20:55,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:20:55,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1408274592, now seen corresponding path program 1 times [2022-10-16 16:20:55,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:20:55,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034124462] [2022-10-16 16:20:55,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:20:55,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:20:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:20:55,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:20:55,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:20:55,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034124462] [2022-10-16 16:20:55,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034124462] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:20:55,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:20:55,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:20:55,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41860361] [2022-10-16 16:20:55,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:20:55,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:20:55,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:20:55,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:20:55,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:20:55,752 INFO L87 Difference]: Start difference. First operand has 165 states, 132 states have (on average 1.8106060606060606) internal successors, (239), 164 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) Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 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 16:20:56,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:20:56,108 INFO L93 Difference]: Finished difference Result 362 states and 516 transitions. [2022-10-16 16:20:56,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:20:56,111 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 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 29 [2022-10-16 16:20:56,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:20:56,127 INFO L225 Difference]: With dead ends: 362 [2022-10-16 16:20:56,128 INFO L226 Difference]: Without dead ends: 336 [2022-10-16 16:20:56,131 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 16:20:56,137 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 526 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 526 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:20:56,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [526 Valid, 435 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:20:56,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2022-10-16 16:20:56,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 233. [2022-10-16 16:20:56,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 207 states have (on average 1.5265700483091786) internal successors, (316), 232 states have internal predecessors, (316), 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 16:20:56,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 316 transitions. [2022-10-16 16:20:56,216 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 316 transitions. Word has length 29 [2022-10-16 16:20:56,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:20:56,217 INFO L495 AbstractCegarLoop]: Abstraction has 233 states and 316 transitions. [2022-10-16 16:20:56,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 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 16:20:56,218 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 316 transitions. [2022-10-16 16:20:56,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-16 16:20:56,219 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:20:56,219 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:20:56,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:20:56,220 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:20:56,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:20:56,221 INFO L85 PathProgramCache]: Analyzing trace with hash 706839518, now seen corresponding path program 1 times [2022-10-16 16:20:56,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:20:56,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147361612] [2022-10-16 16:20:56,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:20:56,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:20:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:20:56,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:20:56,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:20:56,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147361612] [2022-10-16 16:20:56,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147361612] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:20:56,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:20:56,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:20:56,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799254253] [2022-10-16 16:20:56,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:20:56,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:20:56,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:20:56,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:20:56,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:20:56,440 INFO L87 Difference]: Start difference. First operand 233 states and 316 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 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 16:20:56,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:20:56,724 INFO L93 Difference]: Finished difference Result 321 states and 437 transitions. [2022-10-16 16:20:56,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:20:56,725 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 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 16:20:56,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:20:56,731 INFO L225 Difference]: With dead ends: 321 [2022-10-16 16:20:56,731 INFO L226 Difference]: Without dead ends: 314 [2022-10-16 16:20:56,732 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 16:20:56,734 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 445 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 445 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:20:56,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [445 Valid, 211 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:20:56,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2022-10-16 16:20:56,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 304. [2022-10-16 16:20:56,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 280 states have (on average 1.5178571428571428) internal successors, (425), 303 states have internal predecessors, (425), 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 16:20:56,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 425 transitions. [2022-10-16 16:20:56,820 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 425 transitions. Word has length 30 [2022-10-16 16:20:56,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:20:56,820 INFO L495 AbstractCegarLoop]: Abstraction has 304 states and 425 transitions. [2022-10-16 16:20:56,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 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 16:20:56,821 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 425 transitions. [2022-10-16 16:20:56,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-16 16:20:56,822 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:20:56,822 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:20:56,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:20:56,827 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:20:56,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:20:56,828 INFO L85 PathProgramCache]: Analyzing trace with hash 437188706, now seen corresponding path program 1 times [2022-10-16 16:20:56,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:20:56,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496250898] [2022-10-16 16:20:56,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:20:56,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:20:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:20:57,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:20:57,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:20:57,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496250898] [2022-10-16 16:20:57,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496250898] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:20:57,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:20:57,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:20:57,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058249285] [2022-10-16 16:20:57,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:20:57,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:20:57,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:20:57,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:20:57,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:20:57,037 INFO L87 Difference]: Start difference. First operand 304 states and 425 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 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 16:20:57,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:20:57,544 INFO L93 Difference]: Finished difference Result 815 states and 1167 transitions. [2022-10-16 16:20:57,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:20:57,545 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 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 31 [2022-10-16 16:20:57,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:20:57,551 INFO L225 Difference]: With dead ends: 815 [2022-10-16 16:20:57,551 INFO L226 Difference]: Without dead ends: 637 [2022-10-16 16:20:57,558 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:20:57,563 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 683 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 839 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:20:57,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [683 Valid, 839 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:20:57,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2022-10-16 16:20:57,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 474. [2022-10-16 16:20:57,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 452 states have (on average 1.5044247787610618) internal successors, (680), 473 states have internal predecessors, (680), 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 16:20:57,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 680 transitions. [2022-10-16 16:20:57,649 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 680 transitions. Word has length 31 [2022-10-16 16:20:57,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:20:57,651 INFO L495 AbstractCegarLoop]: Abstraction has 474 states and 680 transitions. [2022-10-16 16:20:57,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 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 16:20:57,651 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 680 transitions. [2022-10-16 16:20:57,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-16 16:20:57,653 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:20:57,653 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:20:57,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:20:57,654 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:20:57,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:20:57,659 INFO L85 PathProgramCache]: Analyzing trace with hash 667948128, now seen corresponding path program 1 times [2022-10-16 16:20:57,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:20:57,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364942631] [2022-10-16 16:20:57,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:20:57,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:20:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:20:57,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:20:57,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:20:57,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364942631] [2022-10-16 16:20:57,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364942631] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:20:57,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:20:57,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:20:57,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404514571] [2022-10-16 16:20:57,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:20:57,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:20:57,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:20:57,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:20:57,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:20:57,809 INFO L87 Difference]: Start difference. First operand 474 states and 680 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 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 16:20:58,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:20:58,088 INFO L93 Difference]: Finished difference Result 617 states and 876 transitions. [2022-10-16 16:20:58,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:20:58,088 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 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 32 [2022-10-16 16:20:58,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:20:58,095 INFO L225 Difference]: With dead ends: 617 [2022-10-16 16:20:58,097 INFO L226 Difference]: Without dead ends: 610 [2022-10-16 16:20:58,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:20:58,110 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 768 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 768 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:20:58,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [768 Valid, 376 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:20:58,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2022-10-16 16:20:58,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 591. [2022-10-16 16:20:58,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 571 states have (on average 1.4886164623467601) internal successors, (850), 590 states have internal predecessors, (850), 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 16:20:58,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 850 transitions. [2022-10-16 16:20:58,154 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 850 transitions. Word has length 32 [2022-10-16 16:20:58,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:20:58,155 INFO L495 AbstractCegarLoop]: Abstraction has 591 states and 850 transitions. [2022-10-16 16:20:58,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 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 16:20:58,155 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 850 transitions. [2022-10-16 16:20:58,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 16:20:58,157 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:20:58,157 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:20:58,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:20:58,158 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:20:58,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:20:58,159 INFO L85 PathProgramCache]: Analyzing trace with hash 771200750, now seen corresponding path program 1 times [2022-10-16 16:20:58,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:20:58,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544842113] [2022-10-16 16:20:58,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:20:58,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:20:58,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:20:58,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:20:58,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:20:58,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544842113] [2022-10-16 16:20:58,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544842113] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:20:58,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:20:58,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:20:58,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478288970] [2022-10-16 16:20:58,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:20:58,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:20:58,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:20:58,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:20:58,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:20:58,309 INFO L87 Difference]: Start difference. First operand 591 states and 850 transitions. Second operand has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 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 16:20:58,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:20:58,531 INFO L93 Difference]: Finished difference Result 776 states and 1109 transitions. [2022-10-16 16:20:58,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:20:58,533 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 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 56 [2022-10-16 16:20:58,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:20:58,541 INFO L225 Difference]: With dead ends: 776 [2022-10-16 16:20:58,541 INFO L226 Difference]: Without dead ends: 771 [2022-10-16 16:20:58,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:20:58,544 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 235 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:20:58,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 351 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:20:58,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2022-10-16 16:20:58,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 753. [2022-10-16 16:20:58,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 753 states, 733 states have (on average 1.4979536152796726) internal successors, (1098), 752 states have internal predecessors, (1098), 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 16:20:58,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 1098 transitions. [2022-10-16 16:20:58,602 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 1098 transitions. Word has length 56 [2022-10-16 16:20:58,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:20:58,603 INFO L495 AbstractCegarLoop]: Abstraction has 753 states and 1098 transitions. [2022-10-16 16:20:58,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 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 16:20:58,604 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1098 transitions. [2022-10-16 16:20:58,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 16:20:58,610 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:20:58,611 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:20:58,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:20:58,612 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:20:58,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:20:58,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1134324404, now seen corresponding path program 1 times [2022-10-16 16:20:58,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:20:58,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617977742] [2022-10-16 16:20:58,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:20:58,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:20:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:20:58,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:20:58,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:20:58,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617977742] [2022-10-16 16:20:58,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617977742] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:20:58,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:20:58,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:20:58,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110963639] [2022-10-16 16:20:58,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:20:58,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:20:58,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:20:58,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:20:58,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:20:58,790 INFO L87 Difference]: Start difference. First operand 753 states and 1098 transitions. Second operand has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 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 16:20:59,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:20:59,015 INFO L93 Difference]: Finished difference Result 965 states and 1393 transitions. [2022-10-16 16:20:59,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:20:59,016 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 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 56 [2022-10-16 16:20:59,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:20:59,024 INFO L225 Difference]: With dead ends: 965 [2022-10-16 16:20:59,024 INFO L226 Difference]: Without dead ends: 960 [2022-10-16 16:20:59,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:20:59,028 INFO L413 NwaCegarLoop]: 298 mSDtfsCounter, 229 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:20:59,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 496 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:20:59,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2022-10-16 16:20:59,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 945. [2022-10-16 16:20:59,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 945 states, 925 states have (on average 1.491891891891892) internal successors, (1380), 944 states have internal predecessors, (1380), 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 16:20:59,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1380 transitions. [2022-10-16 16:20:59,096 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1380 transitions. Word has length 56 [2022-10-16 16:20:59,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:20:59,097 INFO L495 AbstractCegarLoop]: Abstraction has 945 states and 1380 transitions. [2022-10-16 16:20:59,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.666666666666668) internal successors, (56), 4 states have internal predecessors, (56), 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 16:20:59,097 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1380 transitions. [2022-10-16 16:20:59,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-16 16:20:59,100 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:20:59,100 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:20:59,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:20:59,100 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:20:59,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:20:59,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1862580323, now seen corresponding path program 1 times [2022-10-16 16:20:59,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:20:59,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419450715] [2022-10-16 16:20:59,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:20:59,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:20:59,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:20:59,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:20:59,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:20:59,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419450715] [2022-10-16 16:20:59,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419450715] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:20:59,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:20:59,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:20:59,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720545043] [2022-10-16 16:20:59,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:20:59,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:20:59,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:20:59,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:20:59,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:20:59,299 INFO L87 Difference]: Start difference. First operand 945 states and 1380 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 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 16:20:59,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:20:59,473 INFO L93 Difference]: Finished difference Result 955 states and 1380 transitions. [2022-10-16 16:20:59,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:20:59,473 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 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 57 [2022-10-16 16:20:59,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:20:59,479 INFO L225 Difference]: With dead ends: 955 [2022-10-16 16:20:59,479 INFO L226 Difference]: Without dead ends: 950 [2022-10-16 16:20:59,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:20:59,481 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 333 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:20:59,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 267 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:20:59,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2022-10-16 16:20:59,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 940. [2022-10-16 16:20:59,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 940 states, 925 states have (on average 1.4702702702702704) internal successors, (1360), 939 states have internal predecessors, (1360), 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 16:20:59,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1360 transitions. [2022-10-16 16:20:59,558 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1360 transitions. Word has length 57 [2022-10-16 16:20:59,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:20:59,559 INFO L495 AbstractCegarLoop]: Abstraction has 940 states and 1360 transitions. [2022-10-16 16:20:59,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 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 16:20:59,559 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1360 transitions. [2022-10-16 16:20:59,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 16:20:59,560 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:20:59,560 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:20:59,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:20:59,561 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:20:59,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:20:59,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1905414960, now seen corresponding path program 1 times [2022-10-16 16:20:59,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:20:59,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416281716] [2022-10-16 16:20:59,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:20:59,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:20:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:20:59,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:20:59,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:20:59,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416281716] [2022-10-16 16:20:59,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416281716] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:20:59,712 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:20:59,712 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:20:59,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200587495] [2022-10-16 16:20:59,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:20:59,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:20:59,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:20:59,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:20:59,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:20:59,714 INFO L87 Difference]: Start difference. First operand 940 states and 1360 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 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 16:20:59,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:20:59,993 INFO L93 Difference]: Finished difference Result 1686 states and 2441 transitions. [2022-10-16 16:20:59,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:20:59,994 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 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 58 [2022-10-16 16:20:59,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:21:00,001 INFO L225 Difference]: With dead ends: 1686 [2022-10-16 16:21:00,001 INFO L226 Difference]: Without dead ends: 1189 [2022-10-16 16:21:00,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:21:00,004 INFO L413 NwaCegarLoop]: 275 mSDtfsCounter, 394 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:21:00,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 538 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:21:00,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2022-10-16 16:21:00,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 1174. [2022-10-16 16:21:00,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1174 states, 1159 states have (on average 1.4572907679033649) internal successors, (1689), 1173 states have internal predecessors, (1689), 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 16:21:00,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 1689 transitions. [2022-10-16 16:21:00,093 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 1689 transitions. Word has length 58 [2022-10-16 16:21:00,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:21:00,093 INFO L495 AbstractCegarLoop]: Abstraction has 1174 states and 1689 transitions. [2022-10-16 16:21:00,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 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 16:21:00,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1689 transitions. [2022-10-16 16:21:00,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 16:21:00,095 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:21:00,095 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:21:00,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:21:00,095 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:21:00,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:21:00,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1925481770, now seen corresponding path program 1 times [2022-10-16 16:21:00,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:21:00,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399439530] [2022-10-16 16:21:00,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:00,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:21:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:00,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:21:00,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:21:00,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399439530] [2022-10-16 16:21:00,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399439530] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:21:00,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:21:00,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:21:00,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087978955] [2022-10-16 16:21:00,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:21:00,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:21:00,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:21:00,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:21:00,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:21:00,202 INFO L87 Difference]: Start difference. First operand 1174 states and 1689 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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 16:21:00,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:21:00,500 INFO L93 Difference]: Finished difference Result 1359 states and 1939 transitions. [2022-10-16 16:21:00,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:21:00,501 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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 58 [2022-10-16 16:21:00,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:21:00,509 INFO L225 Difference]: With dead ends: 1359 [2022-10-16 16:21:00,509 INFO L226 Difference]: Without dead ends: 1354 [2022-10-16 16:21:00,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:21:00,511 INFO L413 NwaCegarLoop]: 326 mSDtfsCounter, 221 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:21:00,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 644 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:21:00,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states. [2022-10-16 16:21:00,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 1172. [2022-10-16 16:21:00,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1172 states, 1159 states have (on average 1.446074201898188) internal successors, (1676), 1171 states have internal predecessors, (1676), 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 16:21:00,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 1172 states and 1676 transitions. [2022-10-16 16:21:00,613 INFO L78 Accepts]: Start accepts. Automaton has 1172 states and 1676 transitions. Word has length 58 [2022-10-16 16:21:00,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:21:00,613 INFO L495 AbstractCegarLoop]: Abstraction has 1172 states and 1676 transitions. [2022-10-16 16:21:00,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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 16:21:00,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1676 transitions. [2022-10-16 16:21:00,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 16:21:00,614 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:21:00,614 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:21:00,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:21:00,615 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:21:00,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:21:00,615 INFO L85 PathProgramCache]: Analyzing trace with hash 1169969532, now seen corresponding path program 1 times [2022-10-16 16:21:00,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:21:00,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098750853] [2022-10-16 16:21:00,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:00,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:21:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:00,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:21:00,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:21:00,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098750853] [2022-10-16 16:21:00,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098750853] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:21:00,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:21:00,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:21:00,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521491777] [2022-10-16 16:21:00,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:21:00,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:21:00,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:21:00,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:21:00,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:00,737 INFO L87 Difference]: Start difference. First operand 1172 states and 1676 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 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 16:21:01,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:21:01,017 INFO L93 Difference]: Finished difference Result 1949 states and 2806 transitions. [2022-10-16 16:21:01,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:21:01,018 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 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 58 [2022-10-16 16:21:01,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:21:01,025 INFO L225 Difference]: With dead ends: 1949 [2022-10-16 16:21:01,025 INFO L226 Difference]: Without dead ends: 1182 [2022-10-16 16:21:01,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:21:01,028 INFO L413 NwaCegarLoop]: 256 mSDtfsCounter, 380 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:21:01,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 542 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:21:01,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2022-10-16 16:21:01,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 1172. [2022-10-16 16:21:01,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1172 states, 1159 states have (on average 1.4400345125107852) internal successors, (1669), 1171 states have internal predecessors, (1669), 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 16:21:01,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 1172 states and 1669 transitions. [2022-10-16 16:21:01,141 INFO L78 Accepts]: Start accepts. Automaton has 1172 states and 1669 transitions. Word has length 58 [2022-10-16 16:21:01,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:21:01,141 INFO L495 AbstractCegarLoop]: Abstraction has 1172 states and 1669 transitions. [2022-10-16 16:21:01,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 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 16:21:01,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1669 transitions. [2022-10-16 16:21:01,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 16:21:01,142 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:21:01,143 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:21:01,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:21:01,144 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:21:01,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:21:01,145 INFO L85 PathProgramCache]: Analyzing trace with hash -835934442, now seen corresponding path program 1 times [2022-10-16 16:21:01,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:21:01,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719482233] [2022-10-16 16:21:01,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:01,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:21:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:01,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:21:01,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:21:01,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719482233] [2022-10-16 16:21:01,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719482233] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:21:01,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:21:01,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:21:01,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923212737] [2022-10-16 16:21:01,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:21:01,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:21:01,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:21:01,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:21:01,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:01,283 INFO L87 Difference]: Start difference. First operand 1172 states and 1669 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 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 16:21:01,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:21:01,629 INFO L93 Difference]: Finished difference Result 2009 states and 2886 transitions. [2022-10-16 16:21:01,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:21:01,630 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 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 58 [2022-10-16 16:21:01,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:21:01,637 INFO L225 Difference]: With dead ends: 2009 [2022-10-16 16:21:01,637 INFO L226 Difference]: Without dead ends: 1350 [2022-10-16 16:21:01,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:21:01,640 INFO L413 NwaCegarLoop]: 351 mSDtfsCounter, 378 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:21:01,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 810 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:21:01,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2022-10-16 16:21:01,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 1337. [2022-10-16 16:21:01,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1337 states, 1324 states have (on average 1.4365558912386707) internal successors, (1902), 1336 states have internal predecessors, (1902), 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 16:21:01,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1337 states to 1337 states and 1902 transitions. [2022-10-16 16:21:01,750 INFO L78 Accepts]: Start accepts. Automaton has 1337 states and 1902 transitions. Word has length 58 [2022-10-16 16:21:01,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:21:01,750 INFO L495 AbstractCegarLoop]: Abstraction has 1337 states and 1902 transitions. [2022-10-16 16:21:01,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 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 16:21:01,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 1902 transitions. [2022-10-16 16:21:01,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 16:21:01,752 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:21:01,752 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:21:01,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:21:01,753 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:21:01,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:21:01,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1061678591, now seen corresponding path program 1 times [2022-10-16 16:21:01,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:21:01,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135494856] [2022-10-16 16:21:01,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:01,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:21:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:01,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:21:01,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:21:01,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135494856] [2022-10-16 16:21:01,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135494856] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:21:01,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:21:01,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:21:01,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901702897] [2022-10-16 16:21:01,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:21:01,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:21:01,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:21:01,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:21:01,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:01,900 INFO L87 Difference]: Start difference. First operand 1337 states and 1902 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 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 16:21:02,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:21:02,192 INFO L93 Difference]: Finished difference Result 2720 states and 3935 transitions. [2022-10-16 16:21:02,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:21:02,193 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 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 59 [2022-10-16 16:21:02,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:21:02,204 INFO L225 Difference]: With dead ends: 2720 [2022-10-16 16:21:02,204 INFO L226 Difference]: Without dead ends: 2043 [2022-10-16 16:21:02,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:21:02,210 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 580 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:21:02,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 337 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:21:02,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2043 states. [2022-10-16 16:21:02,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2043 to 1862. [2022-10-16 16:21:02,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1862 states, 1849 states have (on average 1.4548404542996214) internal successors, (2690), 1861 states have internal predecessors, (2690), 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 16:21:02,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1862 states to 1862 states and 2690 transitions. [2022-10-16 16:21:02,368 INFO L78 Accepts]: Start accepts. Automaton has 1862 states and 2690 transitions. Word has length 59 [2022-10-16 16:21:02,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:21:02,368 INFO L495 AbstractCegarLoop]: Abstraction has 1862 states and 2690 transitions. [2022-10-16 16:21:02,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 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 16:21:02,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1862 states and 2690 transitions. [2022-10-16 16:21:02,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 16:21:02,370 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:21:02,370 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:21:02,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:21:02,371 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:21:02,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:21:02,371 INFO L85 PathProgramCache]: Analyzing trace with hash -144163719, now seen corresponding path program 1 times [2022-10-16 16:21:02,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:21:02,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641582123] [2022-10-16 16:21:02,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:02,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:21:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:02,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:21:02,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:21:02,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641582123] [2022-10-16 16:21:02,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641582123] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:21:02,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:21:02,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:21:02,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888765492] [2022-10-16 16:21:02,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:21:02,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:21:02,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:21:02,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:21:02,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:02,531 INFO L87 Difference]: Start difference. First operand 1862 states and 2690 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 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 16:21:02,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:21:02,852 INFO L93 Difference]: Finished difference Result 3455 states and 5045 transitions. [2022-10-16 16:21:02,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:21:02,853 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 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 59 [2022-10-16 16:21:02,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:21:02,864 INFO L225 Difference]: With dead ends: 3455 [2022-10-16 16:21:02,864 INFO L226 Difference]: Without dead ends: 1968 [2022-10-16 16:21:02,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:21:02,868 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 490 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:21:02,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 401 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:21:02,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1968 states. [2022-10-16 16:21:03,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1968 to 1732. [2022-10-16 16:21:03,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1732 states, 1719 states have (on average 1.460151250727167) internal successors, (2510), 1731 states have internal predecessors, (2510), 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 16:21:03,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1732 states and 2510 transitions. [2022-10-16 16:21:03,047 INFO L78 Accepts]: Start accepts. Automaton has 1732 states and 2510 transitions. Word has length 59 [2022-10-16 16:21:03,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:21:03,048 INFO L495 AbstractCegarLoop]: Abstraction has 1732 states and 2510 transitions. [2022-10-16 16:21:03,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 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 16:21:03,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 2510 transitions. [2022-10-16 16:21:03,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 16:21:03,049 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:21:03,049 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:21:03,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:21:03,050 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:21:03,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:21:03,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1546133218, now seen corresponding path program 1 times [2022-10-16 16:21:03,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:21:03,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761589117] [2022-10-16 16:21:03,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:03,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:21:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:03,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:21:03,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:21:03,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761589117] [2022-10-16 16:21:03,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761589117] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:21:03,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:21:03,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:21:03,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564506846] [2022-10-16 16:21:03,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:21:03,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:21:03,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:21:03,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:21:03,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:03,206 INFO L87 Difference]: Start difference. First operand 1732 states and 2510 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 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 16:21:03,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:21:03,485 INFO L93 Difference]: Finished difference Result 1906 states and 2754 transitions. [2022-10-16 16:21:03,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:21:03,486 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 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 60 [2022-10-16 16:21:03,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:21:03,496 INFO L225 Difference]: With dead ends: 1906 [2022-10-16 16:21:03,496 INFO L226 Difference]: Without dead ends: 1897 [2022-10-16 16:21:03,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:03,498 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 445 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 445 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:21:03,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [445 Valid, 415 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:21:03,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1897 states. [2022-10-16 16:21:03,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1897 to 1894. [2022-10-16 16:21:03,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1894 states, 1881 states have (on average 1.4577352472089313) internal successors, (2742), 1893 states have internal predecessors, (2742), 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 16:21:03,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1894 states to 1894 states and 2742 transitions. [2022-10-16 16:21:03,673 INFO L78 Accepts]: Start accepts. Automaton has 1894 states and 2742 transitions. Word has length 60 [2022-10-16 16:21:03,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:21:03,673 INFO L495 AbstractCegarLoop]: Abstraction has 1894 states and 2742 transitions. [2022-10-16 16:21:03,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 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 16:21:03,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1894 states and 2742 transitions. [2022-10-16 16:21:03,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 16:21:03,675 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:21:03,675 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:21:03,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:21:03,676 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:21:03,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:21:03,676 INFO L85 PathProgramCache]: Analyzing trace with hash 742930104, now seen corresponding path program 1 times [2022-10-16 16:21:03,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:21:03,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337807335] [2022-10-16 16:21:03,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:03,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:21:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:03,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:21:03,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:21:03,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337807335] [2022-10-16 16:21:03,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337807335] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:21:03,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:21:03,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:21:03,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561769435] [2022-10-16 16:21:03,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:21:03,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:21:03,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:21:03,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:21:03,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:03,858 INFO L87 Difference]: Start difference. First operand 1894 states and 2742 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 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 16:21:04,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:21:04,185 INFO L93 Difference]: Finished difference Result 2397 states and 3474 transitions. [2022-10-16 16:21:04,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:21:04,186 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 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 60 [2022-10-16 16:21:04,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:21:04,197 INFO L225 Difference]: With dead ends: 2397 [2022-10-16 16:21:04,198 INFO L226 Difference]: Without dead ends: 2392 [2022-10-16 16:21:04,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:04,201 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 317 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:21:04,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 683 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:21:04,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2392 states. [2022-10-16 16:21:04,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2392 to 2380. [2022-10-16 16:21:04,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2380 states, 2367 states have (on average 1.4617659484579637) internal successors, (3460), 2379 states have internal predecessors, (3460), 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 16:21:04,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2380 states to 2380 states and 3460 transitions. [2022-10-16 16:21:04,418 INFO L78 Accepts]: Start accepts. Automaton has 2380 states and 3460 transitions. Word has length 60 [2022-10-16 16:21:04,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:21:04,419 INFO L495 AbstractCegarLoop]: Abstraction has 2380 states and 3460 transitions. [2022-10-16 16:21:04,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 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 16:21:04,419 INFO L276 IsEmpty]: Start isEmpty. Operand 2380 states and 3460 transitions. [2022-10-16 16:21:04,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 16:21:04,420 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:21:04,420 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:21:04,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:21:04,421 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:21:04,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:21:04,422 INFO L85 PathProgramCache]: Analyzing trace with hash -272539164, now seen corresponding path program 1 times [2022-10-16 16:21:04,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:21:04,422 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634916056] [2022-10-16 16:21:04,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:04,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:21:04,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:04,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:21:04,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:21:04,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634916056] [2022-10-16 16:21:04,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634916056] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:21:04,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:21:04,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:21:04,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831423973] [2022-10-16 16:21:04,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:21:04,555 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:21:04,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:21:04,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:21:04,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:04,556 INFO L87 Difference]: Start difference. First operand 2380 states and 3460 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 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 16:21:04,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:21:04,872 INFO L93 Difference]: Finished difference Result 2442 states and 3540 transitions. [2022-10-16 16:21:04,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:21:04,872 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 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 60 [2022-10-16 16:21:04,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:21:04,885 INFO L225 Difference]: With dead ends: 2442 [2022-10-16 16:21:04,886 INFO L226 Difference]: Without dead ends: 2433 [2022-10-16 16:21:04,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:04,888 INFO L413 NwaCegarLoop]: 226 mSDtfsCounter, 356 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:21:04,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 599 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:21:04,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2433 states. [2022-10-16 16:21:05,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2433 to 2430. [2022-10-16 16:21:05,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2430 states, 2417 states have (on average 1.4596607364501448) internal successors, (3528), 2429 states have internal predecessors, (3528), 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 16:21:05,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2430 states to 2430 states and 3528 transitions. [2022-10-16 16:21:05,113 INFO L78 Accepts]: Start accepts. Automaton has 2430 states and 3528 transitions. Word has length 60 [2022-10-16 16:21:05,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:21:05,113 INFO L495 AbstractCegarLoop]: Abstraction has 2430 states and 3528 transitions. [2022-10-16 16:21:05,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 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 16:21:05,114 INFO L276 IsEmpty]: Start isEmpty. Operand 2430 states and 3528 transitions. [2022-10-16 16:21:05,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 16:21:05,114 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:21:05,114 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:21:05,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:21:05,115 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:21:05,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:21:05,116 INFO L85 PathProgramCache]: Analyzing trace with hash 1555996951, now seen corresponding path program 1 times [2022-10-16 16:21:05,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:21:05,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140501966] [2022-10-16 16:21:05,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:05,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:21:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:05,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:21:05,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:21:05,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140501966] [2022-10-16 16:21:05,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140501966] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:21:05,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:21:05,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:21:05,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926951240] [2022-10-16 16:21:05,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:21:05,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:21:05,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:21:05,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:21:05,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:05,279 INFO L87 Difference]: Start difference. First operand 2430 states and 3528 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 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 16:21:05,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:21:05,534 INFO L93 Difference]: Finished difference Result 2913 states and 4237 transitions. [2022-10-16 16:21:05,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:21:05,535 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 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 16:21:05,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:21:05,544 INFO L225 Difference]: With dead ends: 2913 [2022-10-16 16:21:05,545 INFO L226 Difference]: Without dead ends: 1808 [2022-10-16 16:21:05,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:05,548 INFO L413 NwaCegarLoop]: 214 mSDtfsCounter, 378 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:21:05,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 403 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:21:05,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1808 states. [2022-10-16 16:21:05,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1808 to 1307. [2022-10-16 16:21:05,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1307 states, 1297 states have (on average 1.4494988434849654) internal successors, (1880), 1306 states have internal predecessors, (1880), 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 16:21:05,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1307 states to 1307 states and 1880 transitions. [2022-10-16 16:21:05,733 INFO L78 Accepts]: Start accepts. Automaton has 1307 states and 1880 transitions. Word has length 61 [2022-10-16 16:21:05,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:21:05,734 INFO L495 AbstractCegarLoop]: Abstraction has 1307 states and 1880 transitions. [2022-10-16 16:21:05,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 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 16:21:05,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 1880 transitions. [2022-10-16 16:21:05,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 16:21:05,735 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:21:05,735 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:21:05,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:21:05,736 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:21:05,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:21:05,737 INFO L85 PathProgramCache]: Analyzing trace with hash 892834054, now seen corresponding path program 1 times [2022-10-16 16:21:05,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:21:05,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969899260] [2022-10-16 16:21:05,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:05,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:21:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:05,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:21:05,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:21:05,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969899260] [2022-10-16 16:21:05,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969899260] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:21:05,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:21:05,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:21:05,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326054468] [2022-10-16 16:21:05,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:21:05,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:21:05,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:21:05,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:21:05,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:05,879 INFO L87 Difference]: Start difference. First operand 1307 states and 1880 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 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 16:21:06,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:21:06,121 INFO L93 Difference]: Finished difference Result 1354 states and 1942 transitions. [2022-10-16 16:21:06,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:21:06,121 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 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 62 [2022-10-16 16:21:06,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:21:06,129 INFO L225 Difference]: With dead ends: 1354 [2022-10-16 16:21:06,129 INFO L226 Difference]: Without dead ends: 1251 [2022-10-16 16:21:06,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:06,131 INFO L413 NwaCegarLoop]: 284 mSDtfsCounter, 231 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 599 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:21:06,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 599 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:21:06,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2022-10-16 16:21:06,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1247. [2022-10-16 16:21:06,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 1238 states have (on average 1.4474959612277867) internal successors, (1792), 1246 states have internal predecessors, (1792), 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 16:21:06,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1792 transitions. [2022-10-16 16:21:06,243 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1792 transitions. Word has length 62 [2022-10-16 16:21:06,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:21:06,244 INFO L495 AbstractCegarLoop]: Abstraction has 1247 states and 1792 transitions. [2022-10-16 16:21:06,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 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 16:21:06,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1792 transitions. [2022-10-16 16:21:06,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:21:06,246 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:21:06,246 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:21:06,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:21:06,246 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:21:06,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:21:06,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1738779802, now seen corresponding path program 1 times [2022-10-16 16:21:06,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:21:06,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135559198] [2022-10-16 16:21:06,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:06,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:21:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:06,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:21:06,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:21:06,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135559198] [2022-10-16 16:21:06,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135559198] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:21:06,404 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:21:06,404 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:21:06,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876476245] [2022-10-16 16:21:06,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:21:06,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:21:06,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:21:06,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:21:06,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:06,406 INFO L87 Difference]: Start difference. First operand 1247 states and 1792 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 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 16:21:06,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:21:06,666 INFO L93 Difference]: Finished difference Result 1356 states and 1936 transitions. [2022-10-16 16:21:06,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:21:06,667 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 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 83 [2022-10-16 16:21:06,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:21:06,673 INFO L225 Difference]: With dead ends: 1356 [2022-10-16 16:21:06,674 INFO L226 Difference]: Without dead ends: 1189 [2022-10-16 16:21:06,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:06,676 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 231 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:21:06,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 584 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:21:06,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2022-10-16 16:21:06,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 1177. [2022-10-16 16:21:06,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1177 states, 1168 states have (on average 1.4537671232876712) internal successors, (1698), 1176 states have internal predecessors, (1698), 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 16:21:06,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1177 states to 1177 states and 1698 transitions. [2022-10-16 16:21:06,772 INFO L78 Accepts]: Start accepts. Automaton has 1177 states and 1698 transitions. Word has length 83 [2022-10-16 16:21:06,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:21:06,772 INFO L495 AbstractCegarLoop]: Abstraction has 1177 states and 1698 transitions. [2022-10-16 16:21:06,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 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 16:21:06,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1698 transitions. [2022-10-16 16:21:06,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:21:06,774 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:21:06,774 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:21:06,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:21:06,775 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:21:06,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:21:06,775 INFO L85 PathProgramCache]: Analyzing trace with hash -576248127, now seen corresponding path program 1 times [2022-10-16 16:21:06,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:21:06,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715086414] [2022-10-16 16:21:06,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:06,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:21:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:06,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:21:06,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:21:06,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715086414] [2022-10-16 16:21:06,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715086414] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:21:06,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:21:06,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:21:06,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687278853] [2022-10-16 16:21:06,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:21:06,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:21:06,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:21:06,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:21:06,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:21:06,894 INFO L87 Difference]: Start difference. First operand 1177 states and 1698 transitions. Second operand has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 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 16:21:07,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:21:07,071 INFO L93 Difference]: Finished difference Result 1225 states and 1759 transitions. [2022-10-16 16:21:07,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:21:07,072 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 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 83 [2022-10-16 16:21:07,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:21:07,079 INFO L225 Difference]: With dead ends: 1225 [2022-10-16 16:21:07,079 INFO L226 Difference]: Without dead ends: 1222 [2022-10-16 16:21:07,079 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:21:07,080 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 149 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:21:07,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 398 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:21:07,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1222 states. [2022-10-16 16:21:07,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1222 to 1174. [2022-10-16 16:21:07,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1174 states, 1168 states have (on average 1.4255136986301369) internal successors, (1665), 1173 states have internal predecessors, (1665), 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 16:21:07,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1174 states to 1174 states and 1665 transitions. [2022-10-16 16:21:07,176 INFO L78 Accepts]: Start accepts. Automaton has 1174 states and 1665 transitions. Word has length 83 [2022-10-16 16:21:07,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:21:07,176 INFO L495 AbstractCegarLoop]: Abstraction has 1174 states and 1665 transitions. [2022-10-16 16:21:07,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.666666666666668) internal successors, (83), 4 states have internal predecessors, (83), 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 16:21:07,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1174 states and 1665 transitions. [2022-10-16 16:21:07,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 16:21:07,178 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:21:07,178 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:21:07,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:21:07,179 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:21:07,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:21:07,179 INFO L85 PathProgramCache]: Analyzing trace with hash 276340323, now seen corresponding path program 1 times [2022-10-16 16:21:07,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:21:07,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334014419] [2022-10-16 16:21:07,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:07,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:21:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:07,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:21:07,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:21:07,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334014419] [2022-10-16 16:21:07,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334014419] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:21:07,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:21:07,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:21:07,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649488219] [2022-10-16 16:21:07,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:21:07,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:21:07,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:21:07,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:21:07,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:07,348 INFO L87 Difference]: Start difference. First operand 1174 states and 1665 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 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 16:21:07,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:21:07,566 INFO L93 Difference]: Finished difference Result 1799 states and 2568 transitions. [2022-10-16 16:21:07,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:21:07,567 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 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 85 [2022-10-16 16:21:07,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:21:07,570 INFO L225 Difference]: With dead ends: 1799 [2022-10-16 16:21:07,570 INFO L226 Difference]: Without dead ends: 956 [2022-10-16 16:21:07,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:07,573 INFO L413 NwaCegarLoop]: 209 mSDtfsCounter, 285 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:21:07,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 450 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:21:07,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2022-10-16 16:21:07,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 947. [2022-10-16 16:21:07,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 941 states have (on average 1.418703506907545) internal successors, (1335), 946 states have internal predecessors, (1335), 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 16:21:07,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1335 transitions. [2022-10-16 16:21:07,653 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1335 transitions. Word has length 85 [2022-10-16 16:21:07,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:21:07,653 INFO L495 AbstractCegarLoop]: Abstraction has 947 states and 1335 transitions. [2022-10-16 16:21:07,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 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 16:21:07,654 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1335 transitions. [2022-10-16 16:21:07,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:21:07,655 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:21:07,655 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:21:07,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:21:07,656 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:21:07,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:21:07,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1721023407, now seen corresponding path program 1 times [2022-10-16 16:21:07,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:21:07,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59467976] [2022-10-16 16:21:07,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:07,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:21:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:07,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:21:07,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:21:07,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59467976] [2022-10-16 16:21:07,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59467976] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:21:07,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:21:07,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:21:07,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570644387] [2022-10-16 16:21:07,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:21:07,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:21:07,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:21:07,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:21:07,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:07,802 INFO L87 Difference]: Start difference. First operand 947 states and 1335 transitions. Second operand has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 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 16:21:08,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:21:08,003 INFO L93 Difference]: Finished difference Result 1527 states and 2168 transitions. [2022-10-16 16:21:08,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:21:08,004 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 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 87 [2022-10-16 16:21:08,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:21:08,008 INFO L225 Difference]: With dead ends: 1527 [2022-10-16 16:21:08,008 INFO L226 Difference]: Without dead ends: 925 [2022-10-16 16:21:08,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:21:08,010 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 430 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:21:08,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [430 Valid, 363 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:21:08,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2022-10-16 16:21:08,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 879. [2022-10-16 16:21:08,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 879 states, 873 states have (on average 1.4238258877434136) internal successors, (1243), 878 states have internal predecessors, (1243), 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 16:21:08,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1243 transitions. [2022-10-16 16:21:08,102 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1243 transitions. Word has length 87 [2022-10-16 16:21:08,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:21:08,103 INFO L495 AbstractCegarLoop]: Abstraction has 879 states and 1243 transitions. [2022-10-16 16:21:08,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.4) internal successors, (87), 5 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 16:21:08,104 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1243 transitions. [2022-10-16 16:21:08,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-16 16:21:08,105 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:21:08,105 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:21:08,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:21:08,106 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:21:08,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:21:08,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1975641880, now seen corresponding path program 1 times [2022-10-16 16:21:08,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:21:08,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653470731] [2022-10-16 16:21:08,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:08,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:21:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:08,200 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:21:08,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:21:08,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653470731] [2022-10-16 16:21:08,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653470731] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:21:08,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:21:08,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:21:08,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410128035] [2022-10-16 16:21:08,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:21:08,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:21:08,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:21:08,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:21:08,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:21:08,203 INFO L87 Difference]: Start difference. First operand 879 states and 1243 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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 16:21:08,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:21:08,408 INFO L93 Difference]: Finished difference Result 2273 states and 3258 transitions. [2022-10-16 16:21:08,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:21:08,409 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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 111 [2022-10-16 16:21:08,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:21:08,414 INFO L225 Difference]: With dead ends: 2273 [2022-10-16 16:21:08,414 INFO L226 Difference]: Without dead ends: 1469 [2022-10-16 16:21:08,416 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 16:21:08,417 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 90 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:21:08,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 255 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:21:08,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1469 states. [2022-10-16 16:21:08,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1469 to 1437. [2022-10-16 16:21:08,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1437 states, 1431 states have (on average 1.4227812718378756) internal successors, (2036), 1436 states have internal predecessors, (2036), 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 16:21:08,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1437 states and 2036 transitions. [2022-10-16 16:21:08,589 INFO L78 Accepts]: Start accepts. Automaton has 1437 states and 2036 transitions. Word has length 111 [2022-10-16 16:21:08,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:21:08,589 INFO L495 AbstractCegarLoop]: Abstraction has 1437 states and 2036 transitions. [2022-10-16 16:21:08,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 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 16:21:08,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 2036 transitions. [2022-10-16 16:21:08,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 16:21:08,592 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:21:08,592 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:21:08,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:21:08,592 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:21:08,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:21:08,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1144193042, now seen corresponding path program 1 times [2022-10-16 16:21:08,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:21:08,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693907449] [2022-10-16 16:21:08,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:08,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:21:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:08,671 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:21:08,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:21:08,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693907449] [2022-10-16 16:21:08,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693907449] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:21:08,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:21:08,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:21:08,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80332550] [2022-10-16 16:21:08,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:21:08,673 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:21:08,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:21:08,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:21:08,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:21:08,674 INFO L87 Difference]: Start difference. First operand 1437 states and 2036 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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 16:21:08,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:21:08,984 INFO L93 Difference]: Finished difference Result 3295 states and 4710 transitions. [2022-10-16 16:21:08,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:21:08,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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 113 [2022-10-16 16:21:08,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:21:08,990 INFO L225 Difference]: With dead ends: 3295 [2022-10-16 16:21:08,990 INFO L226 Difference]: Without dead ends: 1933 [2022-10-16 16:21:08,994 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 16:21:08,995 INFO L413 NwaCegarLoop]: 220 mSDtfsCounter, 64 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:21:08,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 364 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:21:08,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1933 states. [2022-10-16 16:21:09,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1933 to 1860. [2022-10-16 16:21:09,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1860 states, 1854 states have (on average 1.4228694714131607) internal successors, (2638), 1859 states have internal predecessors, (2638), 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 16:21:09,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1860 states to 1860 states and 2638 transitions. [2022-10-16 16:21:09,238 INFO L78 Accepts]: Start accepts. Automaton has 1860 states and 2638 transitions. Word has length 113 [2022-10-16 16:21:09,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:21:09,238 INFO L495 AbstractCegarLoop]: Abstraction has 1860 states and 2638 transitions. [2022-10-16 16:21:09,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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 16:21:09,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1860 states and 2638 transitions. [2022-10-16 16:21:09,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 16:21:09,240 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:21:09,241 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:21:09,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 16:21:09,241 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:21:09,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:21:09,242 INFO L85 PathProgramCache]: Analyzing trace with hash 221183661, now seen corresponding path program 1 times [2022-10-16 16:21:09,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:21:09,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4466350] [2022-10-16 16:21:09,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:09,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:21:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:09,430 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:21:09,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:21:09,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4466350] [2022-10-16 16:21:09,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4466350] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:21:09,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:21:09,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:21:09,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523392605] [2022-10-16 16:21:09,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:21:09,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:21:09,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:21:09,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:21:09,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:09,433 INFO L87 Difference]: Start difference. First operand 1860 states and 2638 transitions. Second operand has 5 states, 4 states have (on average 28.75) internal successors, (115), 5 states have internal predecessors, (115), 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 16:21:09,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:21:09,841 INFO L93 Difference]: Finished difference Result 1863 states and 2638 transitions. [2022-10-16 16:21:09,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:21:09,842 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 28.75) internal successors, (115), 5 states have internal predecessors, (115), 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 115 [2022-10-16 16:21:09,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:21:09,847 INFO L225 Difference]: With dead ends: 1863 [2022-10-16 16:21:09,847 INFO L226 Difference]: Without dead ends: 1860 [2022-10-16 16:21:09,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:09,849 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 195 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:21:09,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 482 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:21:09,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1860 states. [2022-10-16 16:21:10,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1860 to 1860. [2022-10-16 16:21:10,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1860 states, 1854 states have (on average 1.4201725997842503) internal successors, (2633), 1859 states have internal predecessors, (2633), 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 16:21:10,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1860 states to 1860 states and 2633 transitions. [2022-10-16 16:21:10,067 INFO L78 Accepts]: Start accepts. Automaton has 1860 states and 2633 transitions. Word has length 115 [2022-10-16 16:21:10,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:21:10,067 INFO L495 AbstractCegarLoop]: Abstraction has 1860 states and 2633 transitions. [2022-10-16 16:21:10,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 28.75) internal successors, (115), 5 states have internal predecessors, (115), 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 16:21:10,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1860 states and 2633 transitions. [2022-10-16 16:21:10,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-16 16:21:10,070 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:21:10,070 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:21:10,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:21:10,070 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:21:10,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:21:10,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1539122403, now seen corresponding path program 1 times [2022-10-16 16:21:10,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:21:10,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279432] [2022-10-16 16:21:10,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:10,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:21:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:10,215 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:21:10,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:21:10,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279432] [2022-10-16 16:21:10,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279432] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:21:10,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513248740] [2022-10-16 16:21:10,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:10,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:21:10,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:21:10,219 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:21:10,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 16:21:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:10,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 16:21:10,360 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:21:10,567 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 16:21:10,567 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:21:10,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513248740] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:21:10,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:21:10,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-16 16:21:10,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [599952163] [2022-10-16 16:21:10,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:21:10,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:21:10,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:21:10,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:21:10,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:21:10,570 INFO L87 Difference]: Start difference. First operand 1860 states and 2633 transitions. Second operand has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 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 16:21:10,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:21:10,870 INFO L93 Difference]: Finished difference Result 3698 states and 5243 transitions. [2022-10-16 16:21:10,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:21:10,871 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 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 117 [2022-10-16 16:21:10,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:21:10,876 INFO L225 Difference]: With dead ends: 3698 [2022-10-16 16:21:10,876 INFO L226 Difference]: Without dead ends: 1860 [2022-10-16 16:21:10,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:21:10,880 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 320 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:21:10,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 111 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:21:10,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1860 states. [2022-10-16 16:21:11,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1860 to 1860. [2022-10-16 16:21:11,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1860 states, 1854 states have (on average 1.400755124056095) internal successors, (2597), 1859 states have internal predecessors, (2597), 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 16:21:11,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1860 states to 1860 states and 2597 transitions. [2022-10-16 16:21:11,135 INFO L78 Accepts]: Start accepts. Automaton has 1860 states and 2597 transitions. Word has length 117 [2022-10-16 16:21:11,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:21:11,135 INFO L495 AbstractCegarLoop]: Abstraction has 1860 states and 2597 transitions. [2022-10-16 16:21:11,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.2) internal successors, (106), 4 states have internal predecessors, (106), 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 16:21:11,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1860 states and 2597 transitions. [2022-10-16 16:21:11,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 16:21:11,137 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:21:11,138 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:21:11,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 16:21:11,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-10-16 16:21:11,353 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:21:11,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:21:11,354 INFO L85 PathProgramCache]: Analyzing trace with hash 204494590, now seen corresponding path program 1 times [2022-10-16 16:21:11,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:21:11,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308549712] [2022-10-16 16:21:11,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:11,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:21:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:11,484 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:21:11,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:21:11,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308549712] [2022-10-16 16:21:11,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308549712] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:21:11,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148488458] [2022-10-16 16:21:11,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:11,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:21:11,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:21:11,486 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:21:11,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 16:21:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:11,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 16:21:11,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:21:11,721 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 16:21:11,722 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:21:11,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148488458] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:21:11,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:21:11,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-16 16:21:11,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115639522] [2022-10-16 16:21:11,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:21:11,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:21:11,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:21:11,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:21:11,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:21:11,724 INFO L87 Difference]: Start difference. First operand 1860 states and 2597 transitions. Second operand has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 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 16:21:12,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:21:12,093 INFO L93 Difference]: Finished difference Result 3694 states and 5167 transitions. [2022-10-16 16:21:12,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:21:12,094 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 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 118 [2022-10-16 16:21:12,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:21:12,098 INFO L225 Difference]: With dead ends: 3694 [2022-10-16 16:21:12,098 INFO L226 Difference]: Without dead ends: 1860 [2022-10-16 16:21:12,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:21:12,102 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 446 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:21:12,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 119 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:21:12,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1860 states. [2022-10-16 16:21:12,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1860 to 1860. [2022-10-16 16:21:12,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1860 states, 1854 states have (on average 1.3764832793959008) internal successors, (2552), 1859 states have internal predecessors, (2552), 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 16:21:12,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1860 states to 1860 states and 2552 transitions. [2022-10-16 16:21:12,364 INFO L78 Accepts]: Start accepts. Automaton has 1860 states and 2552 transitions. Word has length 118 [2022-10-16 16:21:12,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:21:12,364 INFO L495 AbstractCegarLoop]: Abstraction has 1860 states and 2552 transitions. [2022-10-16 16:21:12,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.4) internal successors, (107), 4 states have internal predecessors, (107), 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 16:21:12,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1860 states and 2552 transitions. [2022-10-16 16:21:12,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-16 16:21:12,367 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:21:12,367 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:21:12,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 16:21:12,581 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,SelfDestructingSolverStorable26 [2022-10-16 16:21:12,581 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:21:12,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:21:12,582 INFO L85 PathProgramCache]: Analyzing trace with hash 850694954, now seen corresponding path program 1 times [2022-10-16 16:21:12,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:21:12,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987261914] [2022-10-16 16:21:12,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:12,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:21:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:12,729 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:21:12,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:21:12,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987261914] [2022-10-16 16:21:12,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987261914] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:21:12,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760774751] [2022-10-16 16:21:12,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:12,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:21:12,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:21:12,732 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:21:12,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 16:21:12,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:12,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 16:21:12,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:21:12,988 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 16:21:12,989 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:21:12,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760774751] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:21:12,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:21:12,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-10-16 16:21:12,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595219422] [2022-10-16 16:21:12,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:21:12,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:21:12,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:21:12,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:21:12,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:21:12,991 INFO L87 Difference]: Start difference. First operand 1860 states and 2552 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 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 16:21:13,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:21:13,385 INFO L93 Difference]: Finished difference Result 3690 states and 5073 transitions. [2022-10-16 16:21:13,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:21:13,386 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 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 119 [2022-10-16 16:21:13,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:21:13,390 INFO L225 Difference]: With dead ends: 3690 [2022-10-16 16:21:13,390 INFO L226 Difference]: Without dead ends: 1860 [2022-10-16 16:21:13,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:21:13,395 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 296 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 296 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:21:13,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [296 Valid, 127 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:21:13,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1860 states. [2022-10-16 16:21:13,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1860 to 1860. [2022-10-16 16:21:13,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1860 states, 1854 states have (on average 1.3522114347357066) internal successors, (2507), 1859 states have internal predecessors, (2507), 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 16:21:13,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1860 states to 1860 states and 2507 transitions. [2022-10-16 16:21:13,708 INFO L78 Accepts]: Start accepts. Automaton has 1860 states and 2507 transitions. Word has length 119 [2022-10-16 16:21:13,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:21:13,708 INFO L495 AbstractCegarLoop]: Abstraction has 1860 states and 2507 transitions. [2022-10-16 16:21:13,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 4 states have internal predecessors, (108), 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 16:21:13,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1860 states and 2507 transitions. [2022-10-16 16:21:13,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 16:21:13,710 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:21:13,711 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:21:13,751 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 16:21:13,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:21:13,926 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:21:13,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:21:13,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1673121010, now seen corresponding path program 1 times [2022-10-16 16:21:13,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:21:13,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724231410] [2022-10-16 16:21:13,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:13,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:21:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:14,051 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:21:14,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:21:14,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724231410] [2022-10-16 16:21:14,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724231410] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:21:14,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538267101] [2022-10-16 16:21:14,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:14,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:21:14,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:21:14,053 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:21:14,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 16:21:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:14,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 16:21:14,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:21:14,440 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:21:14,440 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:21:14,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538267101] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:21:14,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:21:14,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2022-10-16 16:21:14,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106227053] [2022-10-16 16:21:14,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:21:14,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:21:14,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:21:14,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:21:14,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-10-16 16:21:14,443 INFO L87 Difference]: Start difference. First operand 1860 states and 2507 transitions. Second operand has 7 states, 7 states have (on average 16.0) internal successors, (112), 6 states have internal predecessors, (112), 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 16:21:15,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:21:15,546 INFO L93 Difference]: Finished difference Result 7588 states and 10212 transitions. [2022-10-16 16:21:15,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 16:21:15,546 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 6 states have internal predecessors, (112), 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 120 [2022-10-16 16:21:15,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:21:15,563 INFO L225 Difference]: With dead ends: 7588 [2022-10-16 16:21:15,563 INFO L226 Difference]: Without dead ends: 5803 [2022-10-16 16:21:15,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:21:15,569 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 1057 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1057 SdHoareTripleChecker+Valid, 408 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:21:15,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1057 Valid, 408 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:21:15,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5803 states. [2022-10-16 16:21:16,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5803 to 2837. [2022-10-16 16:21:16,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2837 states, 2831 states have (on average 1.3493465206640762) internal successors, (3820), 2836 states have internal predecessors, (3820), 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 16:21:16,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2837 states to 2837 states and 3820 transitions. [2022-10-16 16:21:16,105 INFO L78 Accepts]: Start accepts. Automaton has 2837 states and 3820 transitions. Word has length 120 [2022-10-16 16:21:16,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:21:16,105 INFO L495 AbstractCegarLoop]: Abstraction has 2837 states and 3820 transitions. [2022-10-16 16:21:16,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 6 states have internal predecessors, (112), 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 16:21:16,106 INFO L276 IsEmpty]: Start isEmpty. Operand 2837 states and 3820 transitions. [2022-10-16 16:21:16,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 16:21:16,108 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:21:16,109 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:21:16,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 16:21:16,324 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,SelfDestructingSolverStorable28 [2022-10-16 16:21:16,324 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:21:16,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:21:16,325 INFO L85 PathProgramCache]: Analyzing trace with hash 213848108, now seen corresponding path program 1 times [2022-10-16 16:21:16,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:21:16,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673898287] [2022-10-16 16:21:16,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:16,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:21:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:16,450 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:21:16,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:21:16,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673898287] [2022-10-16 16:21:16,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673898287] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:21:16,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723783218] [2022-10-16 16:21:16,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:16,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:21:16,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:21:16,453 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:21:16,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 16:21:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:16,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 16:21:16,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:21:16,848 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 16:21:16,848 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:21:16,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [723783218] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:21:16,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:21:16,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2022-10-16 16:21:16,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983079711] [2022-10-16 16:21:16,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:21:16,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:21:16,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:21:16,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:21:16,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-10-16 16:21:16,850 INFO L87 Difference]: Start difference. First operand 2837 states and 3820 transitions. Second operand has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 6 states have internal predecessors, (116), 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 16:21:18,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:21:18,983 INFO L93 Difference]: Finished difference Result 14169 states and 19052 transitions. [2022-10-16 16:21:18,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 16:21:18,984 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 6 states have internal predecessors, (116), 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 120 [2022-10-16 16:21:18,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:21:19,013 INFO L225 Difference]: With dead ends: 14169 [2022-10-16 16:21:19,014 INFO L226 Difference]: Without dead ends: 11407 [2022-10-16 16:21:19,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:21:19,023 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 934 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:21:19,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [934 Valid, 335 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:21:19,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11407 states. [2022-10-16 16:21:20,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11407 to 6065. [2022-10-16 16:21:20,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6065 states, 6059 states have (on average 1.3584749958739066) internal successors, (8231), 6064 states have internal predecessors, (8231), 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 16:21:20,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6065 states to 6065 states and 8231 transitions. [2022-10-16 16:21:20,097 INFO L78 Accepts]: Start accepts. Automaton has 6065 states and 8231 transitions. Word has length 120 [2022-10-16 16:21:20,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:21:20,097 INFO L495 AbstractCegarLoop]: Abstraction has 6065 states and 8231 transitions. [2022-10-16 16:21:20,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 6 states have internal predecessors, (116), 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 16:21:20,098 INFO L276 IsEmpty]: Start isEmpty. Operand 6065 states and 8231 transitions. [2022-10-16 16:21:20,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-10-16 16:21:20,102 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:21:20,102 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:21:20,148 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 16:21:20,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:21:20,317 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:21:20,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:21:20,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1937240307, now seen corresponding path program 2 times [2022-10-16 16:21:20,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:21:20,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232578423] [2022-10-16 16:21:20,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:20,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:21:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:20,650 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-10-16 16:21:20,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:21:20,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232578423] [2022-10-16 16:21:20,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232578423] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:21:20,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:21:20,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:21:20,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857508326] [2022-10-16 16:21:20,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:21:20,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:21:20,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:21:20,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:21:20,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:20,654 INFO L87 Difference]: Start difference. First operand 6065 states and 8231 transitions. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 states have internal predecessors, (134), 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 16:21:21,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:21:21,941 INFO L93 Difference]: Finished difference Result 12055 states and 16381 transitions. [2022-10-16 16:21:21,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:21:21,942 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 states have internal predecessors, (134), 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 148 [2022-10-16 16:21:21,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:21:21,953 INFO L225 Difference]: With dead ends: 12055 [2022-10-16 16:21:21,953 INFO L226 Difference]: Without dead ends: 6065 [2022-10-16 16:21:21,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:21:21,964 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 280 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:21:21,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 245 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:21:21,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6065 states. [2022-10-16 16:21:22,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6065 to 6065. [2022-10-16 16:21:22,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6065 states, 6059 states have (on average 1.3558342960884635) internal successors, (8215), 6064 states have internal predecessors, (8215), 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 16:21:22,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6065 states to 6065 states and 8215 transitions. [2022-10-16 16:21:22,899 INFO L78 Accepts]: Start accepts. Automaton has 6065 states and 8215 transitions. Word has length 148 [2022-10-16 16:21:22,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:21:22,899 INFO L495 AbstractCegarLoop]: Abstraction has 6065 states and 8215 transitions. [2022-10-16 16:21:22,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 states have internal predecessors, (134), 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 16:21:22,900 INFO L276 IsEmpty]: Start isEmpty. Operand 6065 states and 8215 transitions. [2022-10-16 16:21:22,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-10-16 16:21:22,903 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:21:22,903 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:21:22,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 16:21:22,904 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:21:22,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:21:22,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1419998006, now seen corresponding path program 1 times [2022-10-16 16:21:22,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:21:22,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877362292] [2022-10-16 16:21:22,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:22,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:21:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:23,069 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 40 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:21:23,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:21:23,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877362292] [2022-10-16 16:21:23,070 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877362292] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:21:23,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483370071] [2022-10-16 16:21:23,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:23,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:21:23,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:21:23,072 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:21:23,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 16:21:23,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:23,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 16:21:23,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:21:23,599 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 24 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:21:23,599 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 16:21:23,817 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 24 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:21:23,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [483370071] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 16:21:23,817 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 16:21:23,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2022-10-16 16:21:23,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689129898] [2022-10-16 16:21:23,818 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 16:21:23,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 16:21:23,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:21:23,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 16:21:23,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-10-16 16:21:23,820 INFO L87 Difference]: Start difference. First operand 6065 states and 8215 transitions. Second operand has 14 states, 14 states have (on average 29.857142857142858) internal successors, (418), 14 states have internal predecessors, (418), 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 16:21:26,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:21:26,176 INFO L93 Difference]: Finished difference Result 19457 states and 26047 transitions. [2022-10-16 16:21:26,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 16:21:26,177 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 29.857142857142858) internal successors, (418), 14 states have internal predecessors, (418), 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 16:21:26,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:21:26,201 INFO L225 Difference]: With dead ends: 19457 [2022-10-16 16:21:26,202 INFO L226 Difference]: Without dead ends: 13467 [2022-10-16 16:21:26,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 292 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2022-10-16 16:21:26,214 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 1446 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1446 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:21:26,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1446 Valid, 700 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:21:26,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13467 states. [2022-10-16 16:21:27,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13467 to 8279. [2022-10-16 16:21:27,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8279 states, 8273 states have (on average 1.310407349208268) internal successors, (10841), 8278 states have internal predecessors, (10841), 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 16:21:27,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8279 states to 8279 states and 10841 transitions. [2022-10-16 16:21:27,827 INFO L78 Accepts]: Start accepts. Automaton has 8279 states and 10841 transitions. Word has length 149 [2022-10-16 16:21:27,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:21:27,828 INFO L495 AbstractCegarLoop]: Abstraction has 8279 states and 10841 transitions. [2022-10-16 16:21:27,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 29.857142857142858) internal successors, (418), 14 states have internal predecessors, (418), 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 16:21:27,828 INFO L276 IsEmpty]: Start isEmpty. Operand 8279 states and 10841 transitions. [2022-10-16 16:21:27,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-10-16 16:21:27,832 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:21:27,833 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:21:27,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 16:21:28,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:21:28,049 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:21:28,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:21:28,050 INFO L85 PathProgramCache]: Analyzing trace with hash -711538346, now seen corresponding path program 1 times [2022-10-16 16:21:28,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:21:28,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147606545] [2022-10-16 16:21:28,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:28,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:21:28,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:28,281 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 16:21:28,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:21:28,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147606545] [2022-10-16 16:21:28,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147606545] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:21:28,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:21:28,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:21:28,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068744906] [2022-10-16 16:21:28,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:21:28,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:21:28,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:21:28,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:21:28,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:28,284 INFO L87 Difference]: Start difference. First operand 8279 states and 10841 transitions. Second operand has 5 states, 4 states have (on average 35.75) internal successors, (143), 5 states have internal predecessors, (143), 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 16:21:29,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:21:29,960 INFO L93 Difference]: Finished difference Result 8285 states and 10841 transitions. [2022-10-16 16:21:29,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:21:29,960 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 35.75) internal successors, (143), 5 states have internal predecessors, (143), 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 150 [2022-10-16 16:21:29,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:21:29,972 INFO L225 Difference]: With dead ends: 8285 [2022-10-16 16:21:29,972 INFO L226 Difference]: Without dead ends: 8282 [2022-10-16 16:21:29,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:29,976 INFO L413 NwaCegarLoop]: 240 mSDtfsCounter, 153 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 569 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:21:29,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 569 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:21:29,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8282 states. [2022-10-16 16:21:31,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8282 to 8279. [2022-10-16 16:21:31,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8279 states, 8273 states have (on average 1.3031548410491962) internal successors, (10781), 8278 states have internal predecessors, (10781), 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 16:21:31,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8279 states to 8279 states and 10781 transitions. [2022-10-16 16:21:31,694 INFO L78 Accepts]: Start accepts. Automaton has 8279 states and 10781 transitions. Word has length 150 [2022-10-16 16:21:31,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:21:31,695 INFO L495 AbstractCegarLoop]: Abstraction has 8279 states and 10781 transitions. [2022-10-16 16:21:31,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 35.75) internal successors, (143), 5 states have internal predecessors, (143), 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 16:21:31,695 INFO L276 IsEmpty]: Start isEmpty. Operand 8279 states and 10781 transitions. [2022-10-16 16:21:31,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-10-16 16:21:31,699 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:21:31,700 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:21:31,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 16:21:31,700 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:21:31,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:21:31,701 INFO L85 PathProgramCache]: Analyzing trace with hash -582851955, now seen corresponding path program 1 times [2022-10-16 16:21:31,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:21:31,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124484828] [2022-10-16 16:21:31,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:31,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:21:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:31,935 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 16:21:31,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:21:31,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124484828] [2022-10-16 16:21:31,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124484828] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:21:31,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:21:31,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:21:31,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108038174] [2022-10-16 16:21:31,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:21:31,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:21:31,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:21:31,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:21:31,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:31,940 INFO L87 Difference]: Start difference. First operand 8279 states and 10781 transitions. Second operand has 5 states, 4 states have (on average 36.0) internal successors, (144), 5 states have internal predecessors, (144), 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 16:21:32,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:21:32,872 INFO L93 Difference]: Finished difference Result 9888 states and 12953 transitions. [2022-10-16 16:21:32,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:21:32,873 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 36.0) internal successors, (144), 5 states have internal predecessors, (144), 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 151 [2022-10-16 16:21:32,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:21:32,878 INFO L225 Difference]: With dead ends: 9888 [2022-10-16 16:21:32,878 INFO L226 Difference]: Without dead ends: 4504 [2022-10-16 16:21:32,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:32,884 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 141 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:21:32,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 404 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:21:32,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4504 states. [2022-10-16 16:21:33,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4504 to 4044. [2022-10-16 16:21:33,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4044 states, 4041 states have (on average 1.2880475129918336) internal successors, (5205), 4043 states have internal predecessors, (5205), 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 16:21:33,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4044 states to 4044 states and 5205 transitions. [2022-10-16 16:21:33,714 INFO L78 Accepts]: Start accepts. Automaton has 4044 states and 5205 transitions. Word has length 151 [2022-10-16 16:21:33,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:21:33,715 INFO L495 AbstractCegarLoop]: Abstraction has 4044 states and 5205 transitions. [2022-10-16 16:21:33,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 36.0) internal successors, (144), 5 states have internal predecessors, (144), 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 16:21:33,715 INFO L276 IsEmpty]: Start isEmpty. Operand 4044 states and 5205 transitions. [2022-10-16 16:21:33,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-10-16 16:21:33,722 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:21:33,722 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:21:33,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 16:21:33,723 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:21:33,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:21:33,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1029241223, now seen corresponding path program 1 times [2022-10-16 16:21:33,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:21:33,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007059915] [2022-10-16 16:21:33,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:33,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:21:33,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:33,940 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-16 16:21:33,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:21:33,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007059915] [2022-10-16 16:21:33,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007059915] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:21:33,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:21:33,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:21:33,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269416117] [2022-10-16 16:21:33,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:21:33,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:21:33,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:21:33,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:21:33,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:33,942 INFO L87 Difference]: Start difference. First operand 4044 states and 5205 transitions. Second operand has 5 states, 4 states have (on average 41.25) internal successors, (165), 5 states have internal predecessors, (165), 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 16:21:34,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:21:34,740 INFO L93 Difference]: Finished difference Result 4307 states and 5553 transitions. [2022-10-16 16:21:34,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:21:34,741 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 41.25) internal successors, (165), 5 states have internal predecessors, (165), 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 175 [2022-10-16 16:21:34,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:21:34,745 INFO L225 Difference]: With dead ends: 4307 [2022-10-16 16:21:34,745 INFO L226 Difference]: Without dead ends: 3282 [2022-10-16 16:21:34,746 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:34,747 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 117 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:21:34,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 785 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:21:34,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3282 states. [2022-10-16 16:21:35,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3282 to 2750. [2022-10-16 16:21:35,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2750 states, 2747 states have (on average 1.2817619220968328) internal successors, (3521), 2749 states have internal predecessors, (3521), 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 16:21:35,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2750 states to 2750 states and 3521 transitions. [2022-10-16 16:21:35,219 INFO L78 Accepts]: Start accepts. Automaton has 2750 states and 3521 transitions. Word has length 175 [2022-10-16 16:21:35,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:21:35,220 INFO L495 AbstractCegarLoop]: Abstraction has 2750 states and 3521 transitions. [2022-10-16 16:21:35,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 41.25) internal successors, (165), 5 states have internal predecessors, (165), 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 16:21:35,220 INFO L276 IsEmpty]: Start isEmpty. Operand 2750 states and 3521 transitions. [2022-10-16 16:21:35,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-10-16 16:21:35,225 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:21:35,225 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:21:35,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 16:21:35,226 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:21:35,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:21:35,226 INFO L85 PathProgramCache]: Analyzing trace with hash 922984243, now seen corresponding path program 2 times [2022-10-16 16:21:35,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:21:35,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128263833] [2022-10-16 16:21:35,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:35,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:21:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:35,435 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-16 16:21:35,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:21:35,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128263833] [2022-10-16 16:21:35,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128263833] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:21:35,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:21:35,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:21:35,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270619066] [2022-10-16 16:21:35,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:21:35,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:21:35,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:21:35,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:21:35,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:35,438 INFO L87 Difference]: Start difference. First operand 2750 states and 3521 transitions. Second operand has 5 states, 4 states have (on average 41.75) internal successors, (167), 5 states have internal predecessors, (167), 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 16:21:36,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:21:36,133 INFO L93 Difference]: Finished difference Result 3012 states and 3869 transitions. [2022-10-16 16:21:36,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:21:36,134 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 41.75) internal successors, (167), 5 states have internal predecessors, (167), 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 175 [2022-10-16 16:21:36,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:21:36,137 INFO L225 Difference]: With dead ends: 3012 [2022-10-16 16:21:36,137 INFO L226 Difference]: Without dead ends: 2107 [2022-10-16 16:21:36,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:36,146 INFO L413 NwaCegarLoop]: 307 mSDtfsCounter, 143 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:21:36,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 689 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:21:36,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2107 states. [2022-10-16 16:21:36,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2107 to 2100. [2022-10-16 16:21:36,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2100 states, 2097 states have (on average 1.2765855984740104) internal successors, (2677), 2099 states have internal predecessors, (2677), 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 16:21:36,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2677 transitions. [2022-10-16 16:21:36,553 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2677 transitions. Word has length 175 [2022-10-16 16:21:36,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:21:36,553 INFO L495 AbstractCegarLoop]: Abstraction has 2100 states and 2677 transitions. [2022-10-16 16:21:36,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 41.75) internal successors, (167), 5 states have internal predecessors, (167), 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 16:21:36,553 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2677 transitions. [2022-10-16 16:21:36,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-10-16 16:21:36,556 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:21:36,557 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:21:36,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 16:21:36,557 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:21:36,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:21:36,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1697762886, now seen corresponding path program 1 times [2022-10-16 16:21:36,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:21:36,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570882568] [2022-10-16 16:21:36,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:36,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:21:36,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:36,787 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-16 16:21:36,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:21:36,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570882568] [2022-10-16 16:21:36,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570882568] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:21:36,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:21:36,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:21:36,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902398581] [2022-10-16 16:21:36,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:21:36,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:21:36,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:21:36,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:21:36,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:36,790 INFO L87 Difference]: Start difference. First operand 2100 states and 2677 transitions. Second operand has 5 states, 4 states have (on average 38.75) internal successors, (155), 5 states have internal predecessors, (155), 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 16:21:37,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:21:37,302 INFO L93 Difference]: Finished difference Result 2101 states and 2677 transitions. [2022-10-16 16:21:37,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:21:37,303 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 38.75) internal successors, (155), 5 states have internal predecessors, (155), 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 179 [2022-10-16 16:21:37,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:21:37,305 INFO L225 Difference]: With dead ends: 2101 [2022-10-16 16:21:37,305 INFO L226 Difference]: Without dead ends: 2098 [2022-10-16 16:21:37,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:37,306 INFO L413 NwaCegarLoop]: 221 mSDtfsCounter, 136 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:21:37,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 537 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:21:37,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2098 states. [2022-10-16 16:21:37,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2098 to 2098. [2022-10-16 16:21:37,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2098 states, 2097 states have (on average 1.2613257033857892) internal successors, (2645), 2097 states have internal predecessors, (2645), 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 16:21:37,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2098 states to 2098 states and 2645 transitions. [2022-10-16 16:21:37,657 INFO L78 Accepts]: Start accepts. Automaton has 2098 states and 2645 transitions. Word has length 179 [2022-10-16 16:21:37,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:21:37,658 INFO L495 AbstractCegarLoop]: Abstraction has 2098 states and 2645 transitions. [2022-10-16 16:21:37,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 38.75) internal successors, (155), 5 states have internal predecessors, (155), 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 16:21:37,658 INFO L276 IsEmpty]: Start isEmpty. Operand 2098 states and 2645 transitions. [2022-10-16 16:21:37,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-10-16 16:21:37,661 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:21:37,661 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:21:37,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 16:21:37,662 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 16:21:37,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:21:37,662 INFO L85 PathProgramCache]: Analyzing trace with hash -685474616, now seen corresponding path program 1 times [2022-10-16 16:21:37,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:21:37,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559860231] [2022-10-16 16:21:37,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:21:37,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:21:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:21:37,872 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-16 16:21:37,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:21:37,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559860231] [2022-10-16 16:21:37,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559860231] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:21:37,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:21:37,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:21:37,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404021847] [2022-10-16 16:21:37,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:21:37,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:21:37,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:21:37,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:21:37,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:37,874 INFO L87 Difference]: Start difference. First operand 2098 states and 2645 transitions. Second operand has 5 states, 4 states have (on average 39.25) internal successors, (157), 5 states have internal predecessors, (157), 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 16:21:38,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:21:38,398 INFO L93 Difference]: Finished difference Result 2098 states and 2645 transitions. [2022-10-16 16:21:38,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:21:38,399 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 39.25) internal successors, (157), 5 states have internal predecessors, (157), 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 181 [2022-10-16 16:21:38,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:21:38,399 INFO L225 Difference]: With dead ends: 2098 [2022-10-16 16:21:38,399 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 16:21:38,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:21:38,401 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 141 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:21:38,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 645 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:21:38,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 16:21:38,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 16:21:38,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:21:38,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 16:21:38,403 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 181 [2022-10-16 16:21:38,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:21:38,403 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 16:21:38,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 39.25) internal successors, (157), 5 states have internal predecessors, (157), 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 16:21:38,403 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 16:21:38,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 16:21:38,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 32 remaining) [2022-10-16 16:21:38,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 32 remaining) [2022-10-16 16:21:38,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 32 remaining) [2022-10-16 16:21:38,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 32 remaining) [2022-10-16 16:21:38,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 32 remaining) [2022-10-16 16:21:38,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 32 remaining) [2022-10-16 16:21:38,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 32 remaining) [2022-10-16 16:21:38,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 32 remaining) [2022-10-16 16:21:38,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 32 remaining) [2022-10-16 16:21:38,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 32 remaining) [2022-10-16 16:21:38,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 32 remaining) [2022-10-16 16:21:38,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 32 remaining) [2022-10-16 16:21:38,409 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 32 remaining) [2022-10-16 16:21:38,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 32 remaining) [2022-10-16 16:21:38,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 32 remaining) [2022-10-16 16:21:38,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 32 remaining) [2022-10-16 16:21:38,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 32 remaining) [2022-10-16 16:21:38,410 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 32 remaining) [2022-10-16 16:21:38,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 32 remaining) [2022-10-16 16:21:38,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 32 remaining) [2022-10-16 16:21:38,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 32 remaining) [2022-10-16 16:21:38,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 32 remaining) [2022-10-16 16:21:38,411 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 32 remaining) [2022-10-16 16:21:38,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 32 remaining) [2022-10-16 16:21:38,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 32 remaining) [2022-10-16 16:21:38,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 32 remaining) [2022-10-16 16:21:38,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 32 remaining) [2022-10-16 16:21:38,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 32 remaining) [2022-10-16 16:21:38,412 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 32 remaining) [2022-10-16 16:21:38,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 32 remaining) [2022-10-16 16:21:38,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 32 remaining) [2022-10-16 16:21:38,413 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 32 remaining) [2022-10-16 16:21:38,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 16:21:38,416 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-16 16:22:23,779 WARN L233 SmtUtils]: Spent 45.35s on a formula simplification. DAG size of input: 647 DAG size of output: 648 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-10-16 16:22:44,743 WARN L233 SmtUtils]: Spent 20.96s on a formula simplification. DAG size of input: 546 DAG size of output: 546 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)