/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-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:06:45,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:06:45,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:06:45,778 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:06:45,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:06:45,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:06:45,787 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:06:45,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:06:45,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:06:45,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:06:45,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:06:45,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 16:06:45,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:06:45,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:06:45,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:06:45,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:06:45,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:06:45,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:06:45,828 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:06:45,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:06:45,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:06:45,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:06:45,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:06:45,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:06:45,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 16:06:45,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 16:06:45,862 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 16:06:45,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 16:06:45,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 16:06:45,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 16:06:45,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 16:06:45,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 16:06:45,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 16:06:45,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 16:06:45,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 16:06:45,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 16:06:45,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 16:06:45,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 16:06:45,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:06:45,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:06:45,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:06:45,873 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 16:06:45,923 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:06:45,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:06:45,925 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:06:45,925 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:06:45,927 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:06:45,927 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:06:45,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:06:45,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:06:45,930 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:06:45,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:06:45,931 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:06:45,931 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:06:45,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:06:45,932 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:06:45,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:06:45,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:06:45,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:06:45,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:06:45,933 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:06:45,933 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:06:45,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:06:45,933 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:06:45,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:06:45,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:06:45,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:06:45,934 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:06:45,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:06:45,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:06:45,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:06:45,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:06:45,935 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:06:45,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:06:45,936 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:06:45,936 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:06:46,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:06:46,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:06:46,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:06:46,359 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:06:46,360 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:06:46,361 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-16 16:06:46,416 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8104e132f/ce2815434d9f429b8adc4a2abccab623/FLAGd0c3a38fd [2022-10-16 16:06:47,408 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:06:47,409 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-16 16:06:47,448 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8104e132f/ce2815434d9f429b8adc4a2abccab623/FLAGd0c3a38fd [2022-10-16 16:06:47,910 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8104e132f/ce2815434d9f429b8adc4a2abccab623 [2022-10-16 16:06:47,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:06:47,919 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:06:47,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:06:47,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:06:47,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:06:47,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:06:47" (1/1) ... [2022-10-16 16:06:47,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69322b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:06:47, skipping insertion in model container [2022-10-16 16:06:47,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:06:47" (1/1) ... [2022-10-16 16:06:47,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:06:48,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:06:48,666 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-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[28933,28946] [2022-10-16 16:06:48,866 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-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[50969,50982] [2022-10-16 16:06:48,931 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-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[58695,58708] [2022-10-16 16:06:49,052 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-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[83802,83815] [2022-10-16 16:06:49,134 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-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[98975,98988] [2022-10-16 16:06:49,206 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-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[115686,115699] [2022-10-16 16:06:49,266 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-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132053,132066] [2022-10-16 16:06:49,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:06:49,594 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:06:49,697 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-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[28933,28946] [2022-10-16 16:06:49,752 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-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[50969,50982] [2022-10-16 16:06:49,830 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-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[58695,58708] [2022-10-16 16:06:49,927 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-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[83802,83815] [2022-10-16 16:06:49,965 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-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[98975,98988] [2022-10-16 16:06:50,009 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-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[115686,115699] [2022-10-16 16:06:50,048 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-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c[132053,132066] [2022-10-16 16:06:50,234 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:06:50,268 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:06:50,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:06:50 WrapperNode [2022-10-16 16:06:50,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:06:50,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:06:50,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:06:50,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:06:50,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:06:50" (1/1) ... [2022-10-16 16:06:50,365 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:06:50" (1/1) ... [2022-10-16 16:06:50,608 INFO L138 Inliner]: procedures = 24, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 9939 [2022-10-16 16:06:50,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:06:50,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:06:50,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:06:50,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:06:50,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:06:50" (1/1) ... [2022-10-16 16:06:50,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:06:50" (1/1) ... [2022-10-16 16:06:50,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:06:50" (1/1) ... [2022-10-16 16:06:50,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:06:50" (1/1) ... [2022-10-16 16:06:50,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:06:50" (1/1) ... [2022-10-16 16:06:50,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:06:50" (1/1) ... [2022-10-16 16:06:50,915 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:06:50" (1/1) ... [2022-10-16 16:06:50,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:06:50" (1/1) ... [2022-10-16 16:06:50,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:06:50,982 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:06:50,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:06:50,982 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:06:50,983 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:06:50" (1/1) ... [2022-10-16 16:06:50,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:06:51,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:06:51,021 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 16:06:51,045 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 16:06:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:06:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:06:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:06:51,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:06:51,512 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:06:51,514 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:06:56,737 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:06:56,774 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:06:56,774 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:06:56,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:06:56 BoogieIcfgContainer [2022-10-16 16:06:56,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:06:56,784 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:06:56,784 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:06:56,788 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:06:56,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:06:47" (1/3) ... [2022-10-16 16:06:56,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@812750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:06:56, skipping insertion in model container [2022-10-16 16:06:56,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:06:50" (2/3) ... [2022-10-16 16:06:56,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@812750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:06:56, skipping insertion in model container [2022-10-16 16:06:56,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:06:56" (3/3) ... [2022-10-16 16:06:56,792 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+sep-reducer.c [2022-10-16 16:06:56,814 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:06:56,814 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 748 error locations. [2022-10-16 16:06:56,942 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:06:56,951 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;@535b2532, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:06:56,952 INFO L358 AbstractCegarLoop]: Starting to check reachability of 748 error locations. [2022-10-16 16:06:56,968 INFO L276 IsEmpty]: Start isEmpty. Operand has 3503 states, 2754 states have (on average 1.855119825708061) internal successors, (5109), 3502 states have internal predecessors, (5109), 0 states have call successors, (0), 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 16:06:56,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 16:06:56,976 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:06:56,976 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 16:06:56,977 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:06:56,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:06:56,983 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 16:06:57,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:06:57,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991182204] [2022-10-16 16:06:57,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:06:57,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:06:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:06:57,317 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 16:06:57,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:06:57,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991182204] [2022-10-16 16:06:57,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991182204] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:06:57,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:06:57,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 16:06:57,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850715283] [2022-10-16 16:06:57,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:06:57,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 16:06:57,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:06:57,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 16:06:57,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:06:57,387 INFO L87 Difference]: Start difference. First operand has 3503 states, 2754 states have (on average 1.855119825708061) internal successors, (5109), 3502 states have internal predecessors, (5109), 0 states have call successors, (0), 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 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 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 16:06:57,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:06:57,544 INFO L93 Difference]: Finished difference Result 3506 states and 5111 transitions. [2022-10-16 16:06:57,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 16:06:57,546 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2022-10-16 16:06:57,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:06:57,582 INFO L225 Difference]: With dead ends: 3506 [2022-10-16 16:06:57,582 INFO L226 Difference]: Without dead ends: 3372 [2022-10-16 16:06:57,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:06:57,593 INFO L413 NwaCegarLoop]: 4984 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4984 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:06:57,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4984 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:06:57,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3372 states. [2022-10-16 16:06:57,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3372 to 3372. [2022-10-16 16:06:57,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3372 states, 2742 states have (on average 1.4697301239970824) internal successors, (4030), 3371 states have internal predecessors, (4030), 0 states have call successors, (0), 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 16:06:57,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3372 states to 3372 states and 4030 transitions. [2022-10-16 16:06:57,792 INFO L78 Accepts]: Start accepts. Automaton has 3372 states and 4030 transitions. Word has length 4 [2022-10-16 16:06:57,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:06:57,794 INFO L495 AbstractCegarLoop]: Abstraction has 3372 states and 4030 transitions. [2022-10-16 16:06:57,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 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 16:06:57,796 INFO L276 IsEmpty]: Start isEmpty. Operand 3372 states and 4030 transitions. [2022-10-16 16:06:57,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-16 16:06:57,800 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:06:57,800 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] [2022-10-16 16:06:57,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:06:57,801 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr582ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:06:57,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:06:57,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1190807659, now seen corresponding path program 1 times [2022-10-16 16:06:57,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:06:57,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614120242] [2022-10-16 16:06:57,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:06:57,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:06:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:06:58,235 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 16:06:58,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:06:58,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614120242] [2022-10-16 16:06:58,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614120242] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:06:58,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:06:58,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:06:58,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330074208] [2022-10-16 16:06:58,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:06:58,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:06:58,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:06:58,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:06:58,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:06:58,243 INFO L87 Difference]: Start difference. First operand 3372 states and 4030 transitions. Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 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 16:07:00,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:00,200 INFO L93 Difference]: Finished difference Result 3580 states and 4330 transitions. [2022-10-16 16:07:00,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:07:00,201 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 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 45 [2022-10-16 16:07:00,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:00,221 INFO L225 Difference]: With dead ends: 3580 [2022-10-16 16:07:00,221 INFO L226 Difference]: Without dead ends: 3500 [2022-10-16 16:07:00,223 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 16:07:00,225 INFO L413 NwaCegarLoop]: 2927 mSDtfsCounter, 6400 mSDsluCounter, 1238 mSDsCounter, 0 mSdLazyCounter, 1758 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6400 SdHoareTripleChecker+Valid, 4165 SdHoareTripleChecker+Invalid, 1866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 1758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:00,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6400 Valid, 4165 Invalid, 1866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 1758 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 16:07:00,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3500 states. [2022-10-16 16:07:00,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3500 to 3388. [2022-10-16 16:07:00,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3388 states, 2836 states have (on average 1.4460507757404795) internal successors, (4101), 3387 states have internal predecessors, (4101), 0 states have call successors, (0), 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 16:07:00,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 3388 states and 4101 transitions. [2022-10-16 16:07:00,347 INFO L78 Accepts]: Start accepts. Automaton has 3388 states and 4101 transitions. Word has length 45 [2022-10-16 16:07:00,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:00,348 INFO L495 AbstractCegarLoop]: Abstraction has 3388 states and 4101 transitions. [2022-10-16 16:07:00,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 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 16:07:00,348 INFO L276 IsEmpty]: Start isEmpty. Operand 3388 states and 4101 transitions. [2022-10-16 16:07:00,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-16 16:07:00,352 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:00,352 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] [2022-10-16 16:07:00,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:07:00,353 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr583ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:07:00,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:00,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1739676456, now seen corresponding path program 1 times [2022-10-16 16:07:00,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:00,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971703319] [2022-10-16 16:07:00,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:00,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:00,532 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 16:07:00,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:00,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971703319] [2022-10-16 16:07:00,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971703319] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:00,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:00,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:07:00,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331935881] [2022-10-16 16:07:00,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:00,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:07:00,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:00,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:07:00,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:07:00,536 INFO L87 Difference]: Start difference. First operand 3388 states and 4101 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 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 16:07:02,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:02,046 INFO L93 Difference]: Finished difference Result 3490 states and 4250 transitions. [2022-10-16 16:07:02,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:07:02,047 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2022-10-16 16:07:02,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:02,068 INFO L225 Difference]: With dead ends: 3490 [2022-10-16 16:07:02,068 INFO L226 Difference]: Without dead ends: 3394 [2022-10-16 16:07:02,073 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 16:07:02,078 INFO L413 NwaCegarLoop]: 2671 mSDtfsCounter, 7315 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 1370 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7315 SdHoareTripleChecker+Valid, 3091 SdHoareTripleChecker+Invalid, 1526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 1370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:02,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7315 Valid, 3091 Invalid, 1526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 1370 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 16:07:02,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3394 states. [2022-10-16 16:07:02,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3394 to 3386. [2022-10-16 16:07:02,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3386 states, 2928 states have (on average 1.4180327868852458) internal successors, (4152), 3385 states have internal predecessors, (4152), 0 states have call successors, (0), 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 16:07:02,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 4152 transitions. [2022-10-16 16:07:02,234 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 4152 transitions. Word has length 46 [2022-10-16 16:07:02,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:02,235 INFO L495 AbstractCegarLoop]: Abstraction has 3386 states and 4152 transitions. [2022-10-16 16:07:02,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 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 16:07:02,235 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 4152 transitions. [2022-10-16 16:07:02,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-16 16:07:02,244 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:02,244 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] [2022-10-16 16:07:02,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:07:02,245 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr584ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:07:02,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:02,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1904596489, now seen corresponding path program 1 times [2022-10-16 16:07:02,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:02,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378187936] [2022-10-16 16:07:02,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:02,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:02,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:02,486 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 16:07:02,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:02,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378187936] [2022-10-16 16:07:02,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378187936] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:02,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:02,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:07:02,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255474246] [2022-10-16 16:07:02,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:02,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:07:02,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:02,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:07:02,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:07:02,495 INFO L87 Difference]: Start difference. First operand 3386 states and 4152 transitions. Second operand has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 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 16:07:04,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:04,376 INFO L93 Difference]: Finished difference Result 3591 states and 4441 transitions. [2022-10-16 16:07:04,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:07:04,377 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 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 47 [2022-10-16 16:07:04,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:04,396 INFO L225 Difference]: With dead ends: 3591 [2022-10-16 16:07:04,396 INFO L226 Difference]: Without dead ends: 3517 [2022-10-16 16:07:04,398 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 16:07:04,400 INFO L413 NwaCegarLoop]: 2946 mSDtfsCounter, 8980 mSDsluCounter, 2019 mSDsCounter, 0 mSdLazyCounter, 2070 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8980 SdHoareTripleChecker+Valid, 4965 SdHoareTripleChecker+Invalid, 2190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 2070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:04,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8980 Valid, 4965 Invalid, 2190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 2070 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 16:07:04,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3517 states. [2022-10-16 16:07:04,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3517 to 3405. [2022-10-16 16:07:04,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3405 states, 3019 states have (on average 1.398476316661146) internal successors, (4222), 3404 states have internal predecessors, (4222), 0 states have call successors, (0), 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 16:07:04,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3405 states to 3405 states and 4222 transitions. [2022-10-16 16:07:04,572 INFO L78 Accepts]: Start accepts. Automaton has 3405 states and 4222 transitions. Word has length 47 [2022-10-16 16:07:04,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:04,573 INFO L495 AbstractCegarLoop]: Abstraction has 3405 states and 4222 transitions. [2022-10-16 16:07:04,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 0 states have call successors, (0), 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 16:07:04,573 INFO L276 IsEmpty]: Start isEmpty. Operand 3405 states and 4222 transitions. [2022-10-16 16:07:04,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-16 16:07:04,575 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:04,575 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] [2022-10-16 16:07:04,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:07:04,576 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr585ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:07:04,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:04,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1087059210, now seen corresponding path program 1 times [2022-10-16 16:07:04,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:04,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454630779] [2022-10-16 16:07:04,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:04,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:04,730 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 16:07:04,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:04,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454630779] [2022-10-16 16:07:04,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454630779] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:04,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:04,732 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:07:04,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228653096] [2022-10-16 16:07:04,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:04,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:07:04,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:04,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:07:04,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:07:04,734 INFO L87 Difference]: Start difference. First operand 3405 states and 4222 transitions. Second operand has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 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 16:07:06,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:06,319 INFO L93 Difference]: Finished difference Result 3511 states and 4367 transitions. [2022-10-16 16:07:06,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:07:06,320 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2022-10-16 16:07:06,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:06,340 INFO L225 Difference]: With dead ends: 3511 [2022-10-16 16:07:06,341 INFO L226 Difference]: Without dead ends: 3427 [2022-10-16 16:07:06,343 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 16:07:06,345 INFO L413 NwaCegarLoop]: 2673 mSDtfsCounter, 10062 mSDsluCounter, 1109 mSDsCounter, 0 mSdLazyCounter, 1556 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10062 SdHoareTripleChecker+Valid, 3782 SdHoareTripleChecker+Invalid, 1742 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 1556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:06,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10062 Valid, 3782 Invalid, 1742 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 1556 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 16:07:06,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3427 states. [2022-10-16 16:07:06,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3427 to 3413. [2022-10-16 16:07:06,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3413 states, 3109 states have (on average 1.3763267931810872) internal successors, (4279), 3412 states have internal predecessors, (4279), 0 states have call successors, (0), 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 16:07:06,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3413 states to 3413 states and 4279 transitions. [2022-10-16 16:07:06,527 INFO L78 Accepts]: Start accepts. Automaton has 3413 states and 4279 transitions. Word has length 48 [2022-10-16 16:07:06,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:06,528 INFO L495 AbstractCegarLoop]: Abstraction has 3413 states and 4279 transitions. [2022-10-16 16:07:06,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 0 states have call successors, (0), 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 16:07:06,528 INFO L276 IsEmpty]: Start isEmpty. Operand 3413 states and 4279 transitions. [2022-10-16 16:07:06,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-16 16:07:06,530 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:06,530 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] [2022-10-16 16:07:06,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:07:06,531 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr586ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:07:06,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:06,531 INFO L85 PathProgramCache]: Analyzing trace with hash -660894631, now seen corresponding path program 1 times [2022-10-16 16:07:06,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:06,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842203614] [2022-10-16 16:07:06,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:06,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:06,670 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 16:07:06,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:06,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842203614] [2022-10-16 16:07:06,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842203614] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:06,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:06,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:07:06,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434218053] [2022-10-16 16:07:06,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:06,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:07:06,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:06,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:07:06,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:07:06,673 INFO L87 Difference]: Start difference. First operand 3413 states and 4279 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 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 16:07:08,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:08,695 INFO L93 Difference]: Finished difference Result 4165 states and 5421 transitions. [2022-10-16 16:07:08,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:07:08,696 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 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 49 [2022-10-16 16:07:08,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:08,715 INFO L225 Difference]: With dead ends: 4165 [2022-10-16 16:07:08,716 INFO L226 Difference]: Without dead ends: 3639 [2022-10-16 16:07:08,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:07:08,719 INFO L413 NwaCegarLoop]: 2969 mSDtfsCounter, 11052 mSDsluCounter, 2968 mSDsCounter, 0 mSdLazyCounter, 2499 mSolverCounterSat, 146 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11052 SdHoareTripleChecker+Valid, 5937 SdHoareTripleChecker+Invalid, 2645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 2499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:08,720 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11052 Valid, 5937 Invalid, 2645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 2499 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 16:07:08,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3639 states. [2022-10-16 16:07:08,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3639 to 3439. [2022-10-16 16:07:08,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3439 states, 3199 states have (on average 1.3597999374804626) internal successors, (4350), 3438 states have internal predecessors, (4350), 0 states have call successors, (0), 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 16:07:08,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3439 states to 3439 states and 4350 transitions. [2022-10-16 16:07:08,878 INFO L78 Accepts]: Start accepts. Automaton has 3439 states and 4350 transitions. Word has length 49 [2022-10-16 16:07:08,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:08,878 INFO L495 AbstractCegarLoop]: Abstraction has 3439 states and 4350 transitions. [2022-10-16 16:07:08,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 0 states have call successors, (0), 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 16:07:08,879 INFO L276 IsEmpty]: Start isEmpty. Operand 3439 states and 4350 transitions. [2022-10-16 16:07:08,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-16 16:07:08,880 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:08,881 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] [2022-10-16 16:07:08,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:07:08,881 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr587ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:07:08,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:08,882 INFO L85 PathProgramCache]: Analyzing trace with hash 987111148, now seen corresponding path program 1 times [2022-10-16 16:07:08,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:08,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704420940] [2022-10-16 16:07:08,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:08,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:08,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:09,073 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 16:07:09,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:09,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704420940] [2022-10-16 16:07:09,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704420940] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:09,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:09,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:07:09,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203962727] [2022-10-16 16:07:09,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:09,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:07:09,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:09,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:07:09,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:07:09,076 INFO L87 Difference]: Start difference. First operand 3439 states and 4350 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 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 16:07:10,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:10,922 INFO L93 Difference]: Finished difference Result 3833 states and 4930 transitions. [2022-10-16 16:07:10,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 16:07:10,923 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 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 50 [2022-10-16 16:07:10,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:10,946 INFO L225 Difference]: With dead ends: 3833 [2022-10-16 16:07:10,947 INFO L226 Difference]: Without dead ends: 3756 [2022-10-16 16:07:10,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 16:07:10,950 INFO L413 NwaCegarLoop]: 2725 mSDtfsCounter, 12703 mSDsluCounter, 2100 mSDsCounter, 0 mSdLazyCounter, 1903 mSolverCounterSat, 245 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12703 SdHoareTripleChecker+Valid, 4825 SdHoareTripleChecker+Invalid, 2148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 245 IncrementalHoareTripleChecker+Valid, 1903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:10,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12703 Valid, 4825 Invalid, 2148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [245 Valid, 1903 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 16:07:10,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3756 states. [2022-10-16 16:07:11,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3756 to 3728. [2022-10-16 16:07:11,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3728 states, 3562 states have (on average 1.3596294216732172) internal successors, (4843), 3727 states have internal predecessors, (4843), 0 states have call successors, (0), 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 16:07:11,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3728 states to 3728 states and 4843 transitions. [2022-10-16 16:07:11,146 INFO L78 Accepts]: Start accepts. Automaton has 3728 states and 4843 transitions. Word has length 50 [2022-10-16 16:07:11,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:11,147 INFO L495 AbstractCegarLoop]: Abstraction has 3728 states and 4843 transitions. [2022-10-16 16:07:11,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 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 16:07:11,148 INFO L276 IsEmpty]: Start isEmpty. Operand 3728 states and 4843 transitions. [2022-10-16 16:07:11,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 16:07:11,154 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:11,154 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] [2022-10-16 16:07:11,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:07:11,155 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr322ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:07:11,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:11,155 INFO L85 PathProgramCache]: Analyzing trace with hash -382159725, now seen corresponding path program 1 times [2022-10-16 16:07:11,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:11,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707061224] [2022-10-16 16:07:11,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:11,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:11,334 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 16:07:11,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:11,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707061224] [2022-10-16 16:07:11,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707061224] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:11,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:11,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:07:11,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988410578] [2022-10-16 16:07:11,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:11,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:07:11,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:11,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:07:11,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:07:11,336 INFO L87 Difference]: Start difference. First operand 3728 states and 4843 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 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 16:07:12,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:12,602 INFO L93 Difference]: Finished difference Result 4104 states and 5415 transitions. [2022-10-16 16:07:12,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:07:12,603 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2022-10-16 16:07:12,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:12,636 INFO L225 Difference]: With dead ends: 4104 [2022-10-16 16:07:12,637 INFO L226 Difference]: Without dead ends: 4094 [2022-10-16 16:07:12,639 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 16:07:12,641 INFO L413 NwaCegarLoop]: 3025 mSDtfsCounter, 3334 mSDsluCounter, 2544 mSDsCounter, 0 mSdLazyCounter, 1530 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3334 SdHoareTripleChecker+Valid, 5569 SdHoareTripleChecker+Invalid, 1557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:12,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3334 Valid, 5569 Invalid, 1557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1530 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 16:07:12,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4094 states. [2022-10-16 16:07:12,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4094 to 3900. [2022-10-16 16:07:12,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3900 states, 3742 states have (on average 1.3679850347407803) internal successors, (5119), 3899 states have internal predecessors, (5119), 0 states have call successors, (0), 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 16:07:12,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3900 states to 3900 states and 5119 transitions. [2022-10-16 16:07:12,910 INFO L78 Accepts]: Start accepts. Automaton has 3900 states and 5119 transitions. Word has length 72 [2022-10-16 16:07:12,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:12,910 INFO L495 AbstractCegarLoop]: Abstraction has 3900 states and 5119 transitions. [2022-10-16 16:07:12,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 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 16:07:12,911 INFO L276 IsEmpty]: Start isEmpty. Operand 3900 states and 5119 transitions. [2022-10-16 16:07:12,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 16:07:12,916 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:12,916 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] [2022-10-16 16:07:12,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:07:12,917 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr508ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:07:12,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:12,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1820460470, now seen corresponding path program 1 times [2022-10-16 16:07:12,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:12,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336385687] [2022-10-16 16:07:12,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:12,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:13,082 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 16:07:13,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:13,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336385687] [2022-10-16 16:07:13,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336385687] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:13,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:13,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:07:13,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691261658] [2022-10-16 16:07:13,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:13,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:07:13,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:13,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:07:13,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:07:13,086 INFO L87 Difference]: Start difference. First operand 3900 states and 5119 transitions. Second operand has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 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 16:07:14,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:14,494 INFO L93 Difference]: Finished difference Result 4096 states and 5399 transitions. [2022-10-16 16:07:14,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:07:14,494 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 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 73 [2022-10-16 16:07:14,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:14,502 INFO L225 Difference]: With dead ends: 4096 [2022-10-16 16:07:14,502 INFO L226 Difference]: Without dead ends: 4088 [2022-10-16 16:07:14,504 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 16:07:14,504 INFO L413 NwaCegarLoop]: 3010 mSDtfsCounter, 5892 mSDsluCounter, 3189 mSDsCounter, 0 mSdLazyCounter, 1890 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5892 SdHoareTripleChecker+Valid, 6199 SdHoareTripleChecker+Invalid, 1919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:14,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5892 Valid, 6199 Invalid, 1919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1890 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 16:07:14,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4088 states. [2022-10-16 16:07:14,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4088 to 3984. [2022-10-16 16:07:14,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3984 states, 3832 states have (on average 1.370563674321503) internal successors, (5252), 3983 states have internal predecessors, (5252), 0 states have call successors, (0), 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 16:07:14,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3984 states to 3984 states and 5252 transitions. [2022-10-16 16:07:14,703 INFO L78 Accepts]: Start accepts. Automaton has 3984 states and 5252 transitions. Word has length 73 [2022-10-16 16:07:14,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:14,703 INFO L495 AbstractCegarLoop]: Abstraction has 3984 states and 5252 transitions. [2022-10-16 16:07:14,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.25) internal successors, (73), 5 states have internal predecessors, (73), 0 states have call successors, (0), 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 16:07:14,704 INFO L276 IsEmpty]: Start isEmpty. Operand 3984 states and 5252 transitions. [2022-10-16 16:07:14,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 16:07:14,709 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:14,709 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] [2022-10-16 16:07:14,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:07:14,710 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr324ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:07:14,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:14,711 INFO L85 PathProgramCache]: Analyzing trace with hash 2111837909, now seen corresponding path program 1 times [2022-10-16 16:07:14,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:14,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775464965] [2022-10-16 16:07:14,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:14,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:14,888 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 16:07:14,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:14,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775464965] [2022-10-16 16:07:14,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775464965] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:14,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:14,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:07:14,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48525385] [2022-10-16 16:07:14,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:14,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:07:14,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:14,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:07:14,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:07:14,891 INFO L87 Difference]: Start difference. First operand 3984 states and 5252 transitions. Second operand has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 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 16:07:16,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:16,389 INFO L93 Difference]: Finished difference Result 4272 states and 5673 transitions. [2022-10-16 16:07:16,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:07:16,390 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 16:07:16,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:16,399 INFO L225 Difference]: With dead ends: 4272 [2022-10-16 16:07:16,399 INFO L226 Difference]: Without dead ends: 4264 [2022-10-16 16:07:16,401 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 16:07:16,402 INFO L413 NwaCegarLoop]: 3033 mSDtfsCounter, 6103 mSDsluCounter, 3062 mSDsCounter, 0 mSdLazyCounter, 1866 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6103 SdHoareTripleChecker+Valid, 6095 SdHoareTripleChecker+Invalid, 1892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1866 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:16,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6103 Valid, 6095 Invalid, 1892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1866 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 16:07:16,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4264 states. [2022-10-16 16:07:16,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4264 to 4248. [2022-10-16 16:07:16,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4248 states, 4102 states have (on average 1.3805460750853242) internal successors, (5663), 4247 states have internal predecessors, (5663), 0 states have call successors, (0), 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 16:07:16,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4248 states to 4248 states and 5663 transitions. [2022-10-16 16:07:16,627 INFO L78 Accepts]: Start accepts. Automaton has 4248 states and 5663 transitions. Word has length 74 [2022-10-16 16:07:16,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:16,627 INFO L495 AbstractCegarLoop]: Abstraction has 4248 states and 5663 transitions. [2022-10-16 16:07:16,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.5) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 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 16:07:16,628 INFO L276 IsEmpty]: Start isEmpty. Operand 4248 states and 5663 transitions. [2022-10-16 16:07:16,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:07:16,634 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:16,634 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] [2022-10-16 16:07:16,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:07:16,635 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr292ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:07:16,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:16,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1303161945, now seen corresponding path program 1 times [2022-10-16 16:07:16,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:16,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675768139] [2022-10-16 16:07:16,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:16,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:16,769 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 16:07:16,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:16,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675768139] [2022-10-16 16:07:16,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675768139] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:16,770 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:16,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:07:16,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682836200] [2022-10-16 16:07:16,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:16,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:07:16,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:16,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:07:16,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:07:16,772 INFO L87 Difference]: Start difference. First operand 4248 states and 5663 transitions. Second operand has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 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 16:07:17,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:17,965 INFO L93 Difference]: Finished difference Result 4444 states and 5955 transitions. [2022-10-16 16:07:17,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:07:17,965 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-16 16:07:17,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:17,973 INFO L225 Difference]: With dead ends: 4444 [2022-10-16 16:07:17,973 INFO L226 Difference]: Without dead ends: 4433 [2022-10-16 16:07:17,975 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 16:07:17,975 INFO L413 NwaCegarLoop]: 2964 mSDtfsCounter, 3517 mSDsluCounter, 2462 mSDsCounter, 0 mSdLazyCounter, 1506 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3517 SdHoareTripleChecker+Valid, 5426 SdHoareTripleChecker+Invalid, 1534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:17,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3517 Valid, 5426 Invalid, 1534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1506 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 16:07:17,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4433 states. [2022-10-16 16:07:18,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4433 to 4419. [2022-10-16 16:07:18,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4419 states, 4282 states have (on average 1.387669313404951) internal successors, (5942), 4418 states have internal predecessors, (5942), 0 states have call successors, (0), 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 16:07:18,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4419 states to 4419 states and 5942 transitions. [2022-10-16 16:07:18,207 INFO L78 Accepts]: Start accepts. Automaton has 4419 states and 5942 transitions. Word has length 75 [2022-10-16 16:07:18,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:18,207 INFO L495 AbstractCegarLoop]: Abstraction has 4419 states and 5942 transitions. [2022-10-16 16:07:18,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 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 16:07:18,207 INFO L276 IsEmpty]: Start isEmpty. Operand 4419 states and 5942 transitions. [2022-10-16 16:07:18,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:07:18,213 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:18,213 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] [2022-10-16 16:07:18,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:07:18,213 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr325ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:07:18,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:18,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1042470311, now seen corresponding path program 1 times [2022-10-16 16:07:18,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:18,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820827600] [2022-10-16 16:07:18,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:18,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:18,366 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 16:07:18,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:18,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820827600] [2022-10-16 16:07:18,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820827600] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:18,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:18,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:07:18,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923744650] [2022-10-16 16:07:18,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:18,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:07:18,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:18,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:07:18,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:07:18,368 INFO L87 Difference]: Start difference. First operand 4419 states and 5942 transitions. Second operand has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 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 16:07:19,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:19,825 INFO L93 Difference]: Finished difference Result 5161 states and 7094 transitions. [2022-10-16 16:07:19,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:07:19,826 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-16 16:07:19,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:19,838 INFO L225 Difference]: With dead ends: 5161 [2022-10-16 16:07:19,838 INFO L226 Difference]: Without dead ends: 5153 [2022-10-16 16:07:19,841 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 16:07:19,842 INFO L413 NwaCegarLoop]: 2785 mSDtfsCounter, 6969 mSDsluCounter, 2538 mSDsCounter, 0 mSdLazyCounter, 1746 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6969 SdHoareTripleChecker+Valid, 5323 SdHoareTripleChecker+Invalid, 1817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 1746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:19,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6969 Valid, 5323 Invalid, 1817 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 1746 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 16:07:19,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5153 states. [2022-10-16 16:07:20,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5153 to 4953. [2022-10-16 16:07:20,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4953 states, 4822 states have (on average 1.4085441725425134) internal successors, (6792), 4952 states have internal predecessors, (6792), 0 states have call successors, (0), 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 16:07:20,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4953 states to 4953 states and 6792 transitions. [2022-10-16 16:07:20,163 INFO L78 Accepts]: Start accepts. Automaton has 4953 states and 6792 transitions. Word has length 75 [2022-10-16 16:07:20,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:20,164 INFO L495 AbstractCegarLoop]: Abstraction has 4953 states and 6792 transitions. [2022-10-16 16:07:20,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.75) internal successors, (75), 5 states have internal predecessors, (75), 0 states have call successors, (0), 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 16:07:20,164 INFO L276 IsEmpty]: Start isEmpty. Operand 4953 states and 6792 transitions. [2022-10-16 16:07:20,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 16:07:20,170 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:20,171 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] [2022-10-16 16:07:20,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:07:20,171 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr510ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:07:20,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:20,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1410598740, now seen corresponding path program 1 times [2022-10-16 16:07:20,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:20,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570347495] [2022-10-16 16:07:20,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:20,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:20,362 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 16:07:20,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:20,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570347495] [2022-10-16 16:07:20,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570347495] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:20,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:20,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:07:20,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852540824] [2022-10-16 16:07:20,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:20,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:07:20,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:20,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:07:20,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:07:20,365 INFO L87 Difference]: Start difference. First operand 4953 states and 6792 transitions. Second operand has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 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 16:07:22,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:22,097 INFO L93 Difference]: Finished difference Result 6957 states and 9920 transitions. [2022-10-16 16:07:22,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:07:22,097 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-16 16:07:22,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:22,107 INFO L225 Difference]: With dead ends: 6957 [2022-10-16 16:07:22,108 INFO L226 Difference]: Without dead ends: 5141 [2022-10-16 16:07:22,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:07:22,113 INFO L413 NwaCegarLoop]: 3005 mSDtfsCounter, 8421 mSDsluCounter, 4012 mSDsCounter, 0 mSdLazyCounter, 2254 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8421 SdHoareTripleChecker+Valid, 7017 SdHoareTripleChecker+Invalid, 2283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 2254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:22,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8421 Valid, 7017 Invalid, 2283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 2254 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 16:07:22,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5141 states. [2022-10-16 16:07:22,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5141 to 5129. [2022-10-16 16:07:22,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5129 states, 5002 states have (on average 1.4110355857656938) internal successors, (7058), 5128 states have internal predecessors, (7058), 0 states have call successors, (0), 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 16:07:22,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5129 states to 5129 states and 7058 transitions. [2022-10-16 16:07:22,513 INFO L78 Accepts]: Start accepts. Automaton has 5129 states and 7058 transitions. Word has length 75 [2022-10-16 16:07:22,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:22,513 INFO L495 AbstractCegarLoop]: Abstraction has 5129 states and 7058 transitions. [2022-10-16 16:07:22,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.0) internal successors, (75), 6 states have internal predecessors, (75), 0 states have call successors, (0), 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 16:07:22,514 INFO L276 IsEmpty]: Start isEmpty. Operand 5129 states and 7058 transitions. [2022-10-16 16:07:22,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:07:22,520 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:22,520 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] [2022-10-16 16:07:22,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:07:22,520 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr293ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:07:22,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:22,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1743310482, now seen corresponding path program 1 times [2022-10-16 16:07:22,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:22,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894977405] [2022-10-16 16:07:22,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:22,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:22,689 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 16:07:22,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:22,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894977405] [2022-10-16 16:07:22,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894977405] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:22,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:22,690 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:07:22,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634669440] [2022-10-16 16:07:22,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:22,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:07:22,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:22,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:07:22,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:07:22,692 INFO L87 Difference]: Start difference. First operand 5129 states and 7058 transitions. Second operand has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:24,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:24,032 INFO L93 Difference]: Finished difference Result 5135 states and 7058 transitions. [2022-10-16 16:07:24,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:07:24,032 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 16:07:24,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:24,039 INFO L225 Difference]: With dead ends: 5135 [2022-10-16 16:07:24,040 INFO L226 Difference]: Without dead ends: 5124 [2022-10-16 16:07:24,043 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 16:07:24,046 INFO L413 NwaCegarLoop]: 2786 mSDtfsCounter, 4149 mSDsluCounter, 2252 mSDsCounter, 0 mSdLazyCounter, 1520 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4149 SdHoareTripleChecker+Valid, 5038 SdHoareTripleChecker+Invalid, 1585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:24,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4149 Valid, 5038 Invalid, 1585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1520 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 16:07:24,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5124 states. [2022-10-16 16:07:24,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5124 to 5118. [2022-10-16 16:07:24,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5118 states, 5002 states have (on average 1.4060375849660136) internal successors, (7033), 5117 states have internal predecessors, (7033), 0 states have call successors, (0), 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 16:07:24,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5118 states to 5118 states and 7033 transitions. [2022-10-16 16:07:24,347 INFO L78 Accepts]: Start accepts. Automaton has 5118 states and 7033 transitions. Word has length 76 [2022-10-16 16:07:24,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:24,348 INFO L495 AbstractCegarLoop]: Abstraction has 5118 states and 7033 transitions. [2022-10-16 16:07:24,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.333333333333332) internal successors, (76), 4 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:24,348 INFO L276 IsEmpty]: Start isEmpty. Operand 5118 states and 7033 transitions. [2022-10-16 16:07:24,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:07:24,353 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:24,354 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] [2022-10-16 16:07:24,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:07:24,354 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr326ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:07:24,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:24,354 INFO L85 PathProgramCache]: Analyzing trace with hash -2043154153, now seen corresponding path program 1 times [2022-10-16 16:07:24,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:24,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611554844] [2022-10-16 16:07:24,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:24,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:24,532 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 16:07:24,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:24,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611554844] [2022-10-16 16:07:24,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611554844] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:24,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:24,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:07:24,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007616517] [2022-10-16 16:07:24,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:24,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:07:24,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:24,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:07:24,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:07:24,537 INFO L87 Difference]: Start difference. First operand 5118 states and 7033 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:26,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:26,438 INFO L93 Difference]: Finished difference Result 6760 states and 9577 transitions. [2022-10-16 16:07:26,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:07:26,439 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 16:07:26,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:26,445 INFO L225 Difference]: With dead ends: 6760 [2022-10-16 16:07:26,445 INFO L226 Difference]: Without dead ends: 5306 [2022-10-16 16:07:26,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:07:26,448 INFO L413 NwaCegarLoop]: 3017 mSDtfsCounter, 8483 mSDsluCounter, 4347 mSDsCounter, 0 mSdLazyCounter, 2674 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8483 SdHoareTripleChecker+Valid, 7364 SdHoareTripleChecker+Invalid, 2700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 2674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:26,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8483 Valid, 7364 Invalid, 2700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 2674 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 16:07:26,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5306 states. [2022-10-16 16:07:26,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5306 to 5294. [2022-10-16 16:07:26,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5294 states, 5182 states have (on average 1.4085295252798147) internal successors, (7299), 5293 states have internal predecessors, (7299), 0 states have call successors, (0), 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 16:07:26,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5294 states to 5294 states and 7299 transitions. [2022-10-16 16:07:26,849 INFO L78 Accepts]: Start accepts. Automaton has 5294 states and 7299 transitions. Word has length 76 [2022-10-16 16:07:26,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:26,850 INFO L495 AbstractCegarLoop]: Abstraction has 5294 states and 7299 transitions. [2022-10-16 16:07:26,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:26,850 INFO L276 IsEmpty]: Start isEmpty. Operand 5294 states and 7299 transitions. [2022-10-16 16:07:26,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 16:07:26,856 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:26,856 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] [2022-10-16 16:07:26,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:07:26,856 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr511ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:07:26,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:26,857 INFO L85 PathProgramCache]: Analyzing trace with hash -778880993, now seen corresponding path program 1 times [2022-10-16 16:07:26,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:26,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474374691] [2022-10-16 16:07:26,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:26,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:27,023 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 16:07:27,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:27,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474374691] [2022-10-16 16:07:27,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474374691] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:27,026 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:27,026 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:07:27,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848422530] [2022-10-16 16:07:27,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:27,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:07:27,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:27,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:07:27,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:07:27,027 INFO L87 Difference]: Start difference. First operand 5294 states and 7299 transitions. Second operand has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:28,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:28,938 INFO L93 Difference]: Finished difference Result 6580 states and 9271 transitions. [2022-10-16 16:07:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:07:28,939 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-10-16 16:07:28,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:28,947 INFO L225 Difference]: With dead ends: 6580 [2022-10-16 16:07:28,947 INFO L226 Difference]: Without dead ends: 6574 [2022-10-16 16:07:28,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:07:28,949 INFO L413 NwaCegarLoop]: 2768 mSDtfsCounter, 9643 mSDsluCounter, 3701 mSDsCounter, 0 mSdLazyCounter, 2242 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9643 SdHoareTripleChecker+Valid, 6469 SdHoareTripleChecker+Invalid, 2329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 2242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:28,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9643 Valid, 6469 Invalid, 2329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 2242 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 16:07:28,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6574 states. [2022-10-16 16:07:29,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6574 to 6010. [2022-10-16 16:07:29,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6010 states, 5902 states have (on average 1.4279905116909521) internal successors, (8428), 6009 states have internal predecessors, (8428), 0 states have call successors, (0), 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 16:07:29,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6010 states to 6010 states and 8428 transitions. [2022-10-16 16:07:29,330 INFO L78 Accepts]: Start accepts. Automaton has 6010 states and 8428 transitions. Word has length 76 [2022-10-16 16:07:29,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:29,331 INFO L495 AbstractCegarLoop]: Abstraction has 6010 states and 8428 transitions. [2022-10-16 16:07:29,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.2) internal successors, (76), 6 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:29,331 INFO L276 IsEmpty]: Start isEmpty. Operand 6010 states and 8428 transitions. [2022-10-16 16:07:29,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:07:29,337 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:29,337 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] [2022-10-16 16:07:29,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:07:29,338 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr286ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:07:29,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:29,338 INFO L85 PathProgramCache]: Analyzing trace with hash 958376075, now seen corresponding path program 1 times [2022-10-16 16:07:29,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:29,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821842178] [2022-10-16 16:07:29,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:29,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:29,464 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 16:07:29,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:29,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821842178] [2022-10-16 16:07:29,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821842178] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:29,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:29,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:07:29,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781727361] [2022-10-16 16:07:29,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:29,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:07:29,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:29,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:07:29,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:07:29,467 INFO L87 Difference]: Start difference. First operand 6010 states and 8428 transitions. Second operand has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 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 16:07:30,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:30,597 INFO L93 Difference]: Finished difference Result 6386 states and 9004 transitions. [2022-10-16 16:07:30,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:07:30,598 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:07:30,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:30,607 INFO L225 Difference]: With dead ends: 6386 [2022-10-16 16:07:30,607 INFO L226 Difference]: Without dead ends: 6376 [2022-10-16 16:07:30,609 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 16:07:30,610 INFO L413 NwaCegarLoop]: 3525 mSDtfsCounter, 1019 mSDsluCounter, 2669 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1019 SdHoareTripleChecker+Valid, 6194 SdHoareTripleChecker+Invalid, 1060 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:30,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1019 Valid, 6194 Invalid, 1060 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1023 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 16:07:30,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6376 states. [2022-10-16 16:07:30,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6376 to 6002. [2022-10-16 16:07:30,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6002 states, 5902 states have (on average 1.422907488986784) internal successors, (8398), 6001 states have internal predecessors, (8398), 0 states have call successors, (0), 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 16:07:30,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6002 states to 6002 states and 8398 transitions. [2022-10-16 16:07:30,963 INFO L78 Accepts]: Start accepts. Automaton has 6002 states and 8398 transitions. Word has length 77 [2022-10-16 16:07:30,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:30,964 INFO L495 AbstractCegarLoop]: Abstraction has 6002 states and 8398 transitions. [2022-10-16 16:07:30,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.666666666666668) internal successors, (77), 4 states have internal predecessors, (77), 0 states have call successors, (0), 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 16:07:30,964 INFO L276 IsEmpty]: Start isEmpty. Operand 6002 states and 8398 transitions. [2022-10-16 16:07:30,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:07:30,970 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:30,970 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] [2022-10-16 16:07:30,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:07:30,970 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr294ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:07:30,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:30,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1791954057, now seen corresponding path program 1 times [2022-10-16 16:07:30,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:30,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476900081] [2022-10-16 16:07:30,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:30,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:31,114 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 16:07:31,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:31,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476900081] [2022-10-16 16:07:31,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476900081] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:31,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:31,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:07:31,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875689951] [2022-10-16 16:07:31,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:31,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:07:31,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:31,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:07:31,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:07:31,116 INFO L87 Difference]: Start difference. First operand 6002 states and 8398 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 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 16:07:32,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:32,632 INFO L93 Difference]: Finished difference Result 6560 states and 9250 transitions. [2022-10-16 16:07:32,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:07:32,632 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:07:32,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:32,639 INFO L225 Difference]: With dead ends: 6560 [2022-10-16 16:07:32,640 INFO L226 Difference]: Without dead ends: 6550 [2022-10-16 16:07:32,641 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 16:07:32,642 INFO L413 NwaCegarLoop]: 2953 mSDtfsCounter, 6368 mSDsluCounter, 2889 mSDsCounter, 0 mSdLazyCounter, 1732 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6368 SdHoareTripleChecker+Valid, 5842 SdHoareTripleChecker+Invalid, 1760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:32,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6368 Valid, 5842 Invalid, 1760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1732 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 16:07:32,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6550 states. [2022-10-16 16:07:32,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6550 to 6174. [2022-10-16 16:07:32,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6174 states, 6082 states have (on average 1.425517921736271) internal successors, (8670), 6173 states have internal predecessors, (8670), 0 states have call successors, (0), 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 16:07:32,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6174 states to 6174 states and 8670 transitions. [2022-10-16 16:07:32,957 INFO L78 Accepts]: Start accepts. Automaton has 6174 states and 8670 transitions. Word has length 77 [2022-10-16 16:07:32,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:32,957 INFO L495 AbstractCegarLoop]: Abstraction has 6174 states and 8670 transitions. [2022-10-16 16:07:32,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 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 16:07:32,958 INFO L276 IsEmpty]: Start isEmpty. Operand 6174 states and 8670 transitions. [2022-10-16 16:07:32,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:07:32,963 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:32,963 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] [2022-10-16 16:07:32,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:07:32,963 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr327ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:07:32,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:32,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1086735273, now seen corresponding path program 1 times [2022-10-16 16:07:32,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:32,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210514009] [2022-10-16 16:07:32,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:32,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:33,129 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 16:07:33,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:33,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210514009] [2022-10-16 16:07:33,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210514009] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:33,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:33,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:07:33,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536077285] [2022-10-16 16:07:33,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:33,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:07:33,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:33,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:07:33,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:07:33,133 INFO L87 Difference]: Start difference. First operand 6174 states and 8670 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 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 16:07:34,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:34,959 INFO L93 Difference]: Finished difference Result 7550 states and 10777 transitions. [2022-10-16 16:07:34,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:07:34,960 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:07:34,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:34,970 INFO L225 Difference]: With dead ends: 7550 [2022-10-16 16:07:34,970 INFO L226 Difference]: Without dead ends: 7542 [2022-10-16 16:07:34,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:07:34,973 INFO L413 NwaCegarLoop]: 2787 mSDtfsCounter, 9823 mSDsluCounter, 3018 mSDsCounter, 0 mSdLazyCounter, 1906 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9823 SdHoareTripleChecker+Valid, 5805 SdHoareTripleChecker+Invalid, 1994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1906 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:34,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9823 Valid, 5805 Invalid, 1994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1906 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 16:07:34,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7542 states. [2022-10-16 16:07:35,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7542 to 6708. [2022-10-16 16:07:35,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6708 states, 6622 states have (on average 1.43687707641196) internal successors, (9515), 6707 states have internal predecessors, (9515), 0 states have call successors, (0), 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 16:07:35,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6708 states to 6708 states and 9515 transitions. [2022-10-16 16:07:35,387 INFO L78 Accepts]: Start accepts. Automaton has 6708 states and 9515 transitions. Word has length 77 [2022-10-16 16:07:35,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:35,387 INFO L495 AbstractCegarLoop]: Abstraction has 6708 states and 9515 transitions. [2022-10-16 16:07:35,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 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 16:07:35,388 INFO L276 IsEmpty]: Start isEmpty. Operand 6708 states and 9515 transitions. [2022-10-16 16:07:35,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-16 16:07:35,393 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:35,393 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] [2022-10-16 16:07:35,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:07:35,393 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr660ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:07:35,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:35,394 INFO L85 PathProgramCache]: Analyzing trace with hash 2141225734, now seen corresponding path program 1 times [2022-10-16 16:07:35,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:35,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695817757] [2022-10-16 16:07:35,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:35,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:35,552 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 16:07:35,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:35,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695817757] [2022-10-16 16:07:35,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695817757] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:35,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:35,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:07:35,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114668891] [2022-10-16 16:07:35,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:35,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:07:35,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:35,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:07:35,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:07:35,554 INFO L87 Difference]: Start difference. First operand 6708 states and 9515 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 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 16:07:37,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:37,336 INFO L93 Difference]: Finished difference Result 10416 states and 15278 transitions. [2022-10-16 16:07:37,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:07:37,336 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2022-10-16 16:07:37,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:37,343 INFO L225 Difference]: With dead ends: 10416 [2022-10-16 16:07:37,343 INFO L226 Difference]: Without dead ends: 6708 [2022-10-16 16:07:37,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:07:37,349 INFO L413 NwaCegarLoop]: 3002 mSDtfsCounter, 8478 mSDsluCounter, 3891 mSDsCounter, 0 mSdLazyCounter, 2105 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8478 SdHoareTripleChecker+Valid, 6893 SdHoareTripleChecker+Invalid, 2143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 2105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:37,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8478 Valid, 6893 Invalid, 2143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 2105 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 16:07:37,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6708 states. [2022-10-16 16:07:37,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6708 to 6700. [2022-10-16 16:07:37,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6700 states, 6622 states have (on average 1.435215946843854) internal successors, (9504), 6699 states have internal predecessors, (9504), 0 states have call successors, (0), 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 16:07:37,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6700 states to 6700 states and 9504 transitions. [2022-10-16 16:07:37,704 INFO L78 Accepts]: Start accepts. Automaton has 6700 states and 9504 transitions. Word has length 77 [2022-10-16 16:07:37,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:37,705 INFO L495 AbstractCegarLoop]: Abstraction has 6700 states and 9504 transitions. [2022-10-16 16:07:37,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 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 16:07:37,705 INFO L276 IsEmpty]: Start isEmpty. Operand 6700 states and 9504 transitions. [2022-10-16 16:07:37,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:07:37,708 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:37,708 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] [2022-10-16 16:07:37,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:07:37,708 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr295ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:07:37,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:37,709 INFO L85 PathProgramCache]: Analyzing trace with hash -283994928, now seen corresponding path program 1 times [2022-10-16 16:07:37,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:37,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343784079] [2022-10-16 16:07:37,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:37,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:37,847 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 16:07:37,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:37,847 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343784079] [2022-10-16 16:07:37,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343784079] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:37,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:37,848 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:07:37,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821611884] [2022-10-16 16:07:37,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:37,849 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:07:37,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:37,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:07:37,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:07:37,850 INFO L87 Difference]: Start difference. First operand 6700 states and 9504 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:39,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:39,547 INFO L93 Difference]: Finished difference Result 7980 states and 11498 transitions. [2022-10-16 16:07:39,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:07:39,548 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:07:39,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:39,559 INFO L225 Difference]: With dead ends: 7980 [2022-10-16 16:07:39,559 INFO L226 Difference]: Without dead ends: 7969 [2022-10-16 16:07:39,562 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 16:07:39,563 INFO L413 NwaCegarLoop]: 2785 mSDtfsCounter, 6709 mSDsluCounter, 2725 mSDsCounter, 0 mSdLazyCounter, 1753 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6709 SdHoareTripleChecker+Valid, 5510 SdHoareTripleChecker+Invalid, 1829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1753 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:39,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6709 Valid, 5510 Invalid, 1829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1753 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 16:07:39,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7969 states. [2022-10-16 16:07:40,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7969 to 7951. [2022-10-16 16:07:40,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7951 states, 7882 states have (on average 1.4540725704136006) internal successors, (11461), 7950 states have internal predecessors, (11461), 0 states have call successors, (0), 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 16:07:40,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7951 states to 7951 states and 11461 transitions. [2022-10-16 16:07:40,052 INFO L78 Accepts]: Start accepts. Automaton has 7951 states and 11461 transitions. Word has length 78 [2022-10-16 16:07:40,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:40,052 INFO L495 AbstractCegarLoop]: Abstraction has 7951 states and 11461 transitions. [2022-10-16 16:07:40,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:40,052 INFO L276 IsEmpty]: Start isEmpty. Operand 7951 states and 11461 transitions. [2022-10-16 16:07:40,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 16:07:40,055 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:40,056 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] [2022-10-16 16:07:40,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:07:40,056 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr88ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:07:40,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:40,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1741625259, now seen corresponding path program 1 times [2022-10-16 16:07:40,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:40,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877103961] [2022-10-16 16:07:40,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:40,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:40,206 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 16:07:40,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:40,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877103961] [2022-10-16 16:07:40,206 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1877103961] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:40,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:40,207 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:07:40,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121363620] [2022-10-16 16:07:40,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:40,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:07:40,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:40,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:07:40,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:07:40,208 INFO L87 Difference]: Start difference. First operand 7951 states and 11461 transitions. Second operand has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:41,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:41,875 INFO L93 Difference]: Finished difference Result 8505 states and 12299 transitions. [2022-10-16 16:07:41,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:07:41,877 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 78 [2022-10-16 16:07:41,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:41,890 INFO L225 Difference]: With dead ends: 8505 [2022-10-16 16:07:41,890 INFO L226 Difference]: Without dead ends: 8501 [2022-10-16 16:07:41,893 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 16:07:41,894 INFO L413 NwaCegarLoop]: 3095 mSDtfsCounter, 3142 mSDsluCounter, 3225 mSDsCounter, 0 mSdLazyCounter, 1723 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3142 SdHoareTripleChecker+Valid, 6320 SdHoareTripleChecker+Invalid, 1749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1723 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:41,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3142 Valid, 6320 Invalid, 1749 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1723 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 16:07:41,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8501 states. [2022-10-16 16:07:42,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8501 to 8309. [2022-10-16 16:07:42,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8309 states, 8242 states have (on average 1.4563212812424169) internal successors, (12003), 8308 states have internal predecessors, (12003), 0 states have call successors, (0), 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 16:07:42,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8309 states to 8309 states and 12003 transitions. [2022-10-16 16:07:42,375 INFO L78 Accepts]: Start accepts. Automaton has 8309 states and 12003 transitions. Word has length 78 [2022-10-16 16:07:42,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:42,375 INFO L495 AbstractCegarLoop]: Abstraction has 8309 states and 12003 transitions. [2022-10-16 16:07:42,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.5) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:07:42,376 INFO L276 IsEmpty]: Start isEmpty. Operand 8309 states and 12003 transitions. [2022-10-16 16:07:42,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:07:42,379 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:42,379 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] [2022-10-16 16:07:42,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:07:42,379 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr288ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:07:42,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:42,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1876537709, now seen corresponding path program 1 times [2022-10-16 16:07:42,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:42,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250626957] [2022-10-16 16:07:42,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:42,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:42,554 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 16:07:42,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:42,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250626957] [2022-10-16 16:07:42,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250626957] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:42,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:42,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:07:42,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411102876] [2022-10-16 16:07:42,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:42,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:07:42,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:42,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:07:42,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:07:42,556 INFO L87 Difference]: Start difference. First operand 8309 states and 12003 transitions. Second operand has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 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 16:07:44,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:44,324 INFO L93 Difference]: Finished difference Result 9229 states and 13417 transitions. [2022-10-16 16:07:44,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:07:44,324 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2022-10-16 16:07:44,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:44,338 INFO L225 Difference]: With dead ends: 9229 [2022-10-16 16:07:44,338 INFO L226 Difference]: Without dead ends: 9221 [2022-10-16 16:07:44,343 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 16:07:44,343 INFO L413 NwaCegarLoop]: 3185 mSDtfsCounter, 3937 mSDsluCounter, 4919 mSDsCounter, 0 mSdLazyCounter, 1957 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3937 SdHoareTripleChecker+Valid, 8104 SdHoareTripleChecker+Invalid, 1993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1957 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:44,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3937 Valid, 8104 Invalid, 1993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1957 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 16:07:44,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9221 states. [2022-10-16 16:07:44,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9221 to 9203. [2022-10-16 16:07:44,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9203 states, 9142 states have (on average 1.4656530299715598) internal successors, (13399), 9202 states have internal predecessors, (13399), 0 states have call successors, (0), 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 16:07:44,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9203 states to 9203 states and 13399 transitions. [2022-10-16 16:07:44,955 INFO L78 Accepts]: Start accepts. Automaton has 9203 states and 13399 transitions. Word has length 79 [2022-10-16 16:07:44,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:44,955 INFO L495 AbstractCegarLoop]: Abstraction has 9203 states and 13399 transitions. [2022-10-16 16:07:44,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.75) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 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 16:07:44,956 INFO L276 IsEmpty]: Start isEmpty. Operand 9203 states and 13399 transitions. [2022-10-16 16:07:44,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 16:07:44,959 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:44,959 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] [2022-10-16 16:07:44,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:07:44,960 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr296ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:07:44,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:44,960 INFO L85 PathProgramCache]: Analyzing trace with hash -213904021, now seen corresponding path program 1 times [2022-10-16 16:07:44,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:44,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551373889] [2022-10-16 16:07:44,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:44,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:44,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:45,103 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 16:07:45,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:45,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551373889] [2022-10-16 16:07:45,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551373889] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:45,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:45,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:07:45,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70394600] [2022-10-16 16:07:45,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:45,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:07:45,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:45,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:07:45,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:07:45,106 INFO L87 Difference]: Start difference. First operand 9203 states and 13399 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 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 16:07:47,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:47,233 INFO L93 Difference]: Finished difference Result 13003 states and 19287 transitions. [2022-10-16 16:07:47,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:07:47,234 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 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 79 [2022-10-16 16:07:47,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:47,246 INFO L225 Difference]: With dead ends: 13003 [2022-10-16 16:07:47,247 INFO L226 Difference]: Without dead ends: 9931 [2022-10-16 16:07:47,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:07:47,254 INFO L413 NwaCegarLoop]: 2943 mSDtfsCounter, 8715 mSDsluCounter, 4004 mSDsCounter, 0 mSdLazyCounter, 2403 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8715 SdHoareTripleChecker+Valid, 6947 SdHoareTripleChecker+Invalid, 2427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:47,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8715 Valid, 6947 Invalid, 2427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2403 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 16:07:47,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9931 states. [2022-10-16 16:07:47,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9931 to 9379. [2022-10-16 16:07:47,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9379 states, 9322 states have (on average 1.4658871486805407) internal successors, (13665), 9378 states have internal predecessors, (13665), 0 states have call successors, (0), 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 16:07:47,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9379 states to 9379 states and 13665 transitions. [2022-10-16 16:07:47,971 INFO L78 Accepts]: Start accepts. Automaton has 9379 states and 13665 transitions. Word has length 79 [2022-10-16 16:07:47,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:47,972 INFO L495 AbstractCegarLoop]: Abstraction has 9379 states and 13665 transitions. [2022-10-16 16:07:47,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 0 states have call successors, (0), 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 16:07:47,972 INFO L276 IsEmpty]: Start isEmpty. Operand 9379 states and 13665 transitions. [2022-10-16 16:07:47,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:07:47,977 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:47,977 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] [2022-10-16 16:07:47,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 16:07:47,978 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr289ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:07:47,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:47,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1956869068, now seen corresponding path program 1 times [2022-10-16 16:07:47,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:47,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244044371] [2022-10-16 16:07:47,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:47,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:48,132 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 16:07:48,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:48,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244044371] [2022-10-16 16:07:48,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244044371] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:48,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:48,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:07:48,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784130033] [2022-10-16 16:07:48,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:48,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:07:48,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:48,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:07:48,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:07:48,135 INFO L87 Difference]: Start difference. First operand 9379 states and 13665 transitions. Second operand has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 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 16:07:50,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:50,105 INFO L93 Difference]: Finished difference Result 9933 states and 14505 transitions. [2022-10-16 16:07:50,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:07:50,105 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-10-16 16:07:50,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:50,118 INFO L225 Difference]: With dead ends: 9933 [2022-10-16 16:07:50,118 INFO L226 Difference]: Without dead ends: 9925 [2022-10-16 16:07:50,121 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 16:07:50,121 INFO L413 NwaCegarLoop]: 3076 mSDtfsCounter, 3623 mSDsluCounter, 4900 mSDsCounter, 0 mSdLazyCounter, 2045 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3623 SdHoareTripleChecker+Valid, 7976 SdHoareTripleChecker+Invalid, 2101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 2045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:50,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3623 Valid, 7976 Invalid, 2101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 2045 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 16:07:50,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9925 states. [2022-10-16 16:07:50,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9925 to 8563. [2022-10-16 16:07:50,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8563 states, 8512 states have (on average 1.4534774436090225) internal successors, (12372), 8562 states have internal predecessors, (12372), 0 states have call successors, (0), 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 16:07:50,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8563 states to 8563 states and 12372 transitions. [2022-10-16 16:07:50,656 INFO L78 Accepts]: Start accepts. Automaton has 8563 states and 12372 transitions. Word has length 80 [2022-10-16 16:07:50,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:50,656 INFO L495 AbstractCegarLoop]: Abstraction has 8563 states and 12372 transitions. [2022-10-16 16:07:50,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 0 states have call successors, (0), 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 16:07:50,657 INFO L276 IsEmpty]: Start isEmpty. Operand 8563 states and 12372 transitions. [2022-10-16 16:07:50,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:07:50,660 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:50,660 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] [2022-10-16 16:07:50,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:07:50,661 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr297ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:07:50,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:50,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1958914098, now seen corresponding path program 1 times [2022-10-16 16:07:50,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:50,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568856531] [2022-10-16 16:07:50,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:50,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:50,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:50,816 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 16:07:50,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:50,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568856531] [2022-10-16 16:07:50,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568856531] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:50,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:50,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:07:50,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044008737] [2022-10-16 16:07:50,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:50,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:07:50,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:50,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:07:50,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:07:50,819 INFO L87 Difference]: Start difference. First operand 8563 states and 12372 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 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 16:07:52,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:52,761 INFO L93 Difference]: Finished difference Result 9761 states and 14195 transitions. [2022-10-16 16:07:52,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:07:52,762 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-10-16 16:07:52,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:52,773 INFO L225 Difference]: With dead ends: 9761 [2022-10-16 16:07:52,774 INFO L226 Difference]: Without dead ends: 9749 [2022-10-16 16:07:52,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:07:52,777 INFO L413 NwaCegarLoop]: 2790 mSDtfsCounter, 10021 mSDsluCounter, 2842 mSDsCounter, 0 mSdLazyCounter, 1780 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10021 SdHoareTripleChecker+Valid, 5632 SdHoareTripleChecker+Invalid, 1881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 1780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:52,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10021 Valid, 5632 Invalid, 1881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 1780 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 16:07:52,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9749 states. [2022-10-16 16:07:53,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9749 to 9363. [2022-10-16 16:07:53,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9363 states, 9320 states have (on average 1.4620171673819742) internal successors, (13626), 9362 states have internal predecessors, (13626), 0 states have call successors, (0), 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 16:07:53,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9363 states to 9363 states and 13626 transitions. [2022-10-16 16:07:53,430 INFO L78 Accepts]: Start accepts. Automaton has 9363 states and 13626 transitions. Word has length 80 [2022-10-16 16:07:53,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:53,430 INFO L495 AbstractCegarLoop]: Abstraction has 9363 states and 13626 transitions. [2022-10-16 16:07:53,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 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 16:07:53,430 INFO L276 IsEmpty]: Start isEmpty. Operand 9363 states and 13626 transitions. [2022-10-16 16:07:53,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-16 16:07:53,433 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:53,434 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] [2022-10-16 16:07:53,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:07:53,434 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr90ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:07:53,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:53,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1335329779, now seen corresponding path program 1 times [2022-10-16 16:07:53,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:53,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270185892] [2022-10-16 16:07:53,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:53,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:53,597 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 16:07:53,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:53,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270185892] [2022-10-16 16:07:53,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270185892] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:53,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:53,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:07:53,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942124845] [2022-10-16 16:07:53,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:53,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:07:53,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:53,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:07:53,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:07:53,600 INFO L87 Difference]: Start difference. First operand 9363 states and 13626 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 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 16:07:55,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:55,583 INFO L93 Difference]: Finished difference Result 9919 states and 14458 transitions. [2022-10-16 16:07:55,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:07:55,584 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 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 80 [2022-10-16 16:07:55,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:55,594 INFO L225 Difference]: With dead ends: 9919 [2022-10-16 16:07:55,595 INFO L226 Difference]: Without dead ends: 9915 [2022-10-16 16:07:55,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:07:55,597 INFO L413 NwaCegarLoop]: 3081 mSDtfsCounter, 5934 mSDsluCounter, 3807 mSDsCounter, 0 mSdLazyCounter, 2085 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5934 SdHoareTripleChecker+Valid, 6888 SdHoareTripleChecker+Invalid, 2112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 2085 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:55,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5934 Valid, 6888 Invalid, 2112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 2085 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 16:07:55,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9915 states. [2022-10-16 16:07:56,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9915 to 9901. [2022-10-16 16:07:56,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9901 states, 9860 states have (on average 1.465314401622718) internal successors, (14448), 9900 states have internal predecessors, (14448), 0 states have call successors, (0), 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 16:07:56,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9901 states to 9901 states and 14448 transitions. [2022-10-16 16:07:56,236 INFO L78 Accepts]: Start accepts. Automaton has 9901 states and 14448 transitions. Word has length 80 [2022-10-16 16:07:56,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:56,236 INFO L495 AbstractCegarLoop]: Abstraction has 9901 states and 14448 transitions. [2022-10-16 16:07:56,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 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 16:07:56,236 INFO L276 IsEmpty]: Start isEmpty. Operand 9901 states and 14448 transitions. [2022-10-16 16:07:56,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 16:07:56,239 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:56,239 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] [2022-10-16 16:07:56,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 16:07:56,240 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr290ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:07:56,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:56,240 INFO L85 PathProgramCache]: Analyzing trace with hash -533394865, now seen corresponding path program 1 times [2022-10-16 16:07:56,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:56,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648088131] [2022-10-16 16:07:56,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:56,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:56,501 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 16:07:56,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:56,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648088131] [2022-10-16 16:07:56,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648088131] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:56,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:56,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:07:56,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017881640] [2022-10-16 16:07:56,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:56,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:07:56,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:56,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:07:56,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:07:56,504 INFO L87 Difference]: Start difference. First operand 9901 states and 14448 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 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 16:07:58,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:07:58,818 INFO L93 Difference]: Finished difference Result 10465 states and 15288 transitions. [2022-10-16 16:07:58,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:07:58,818 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-10-16 16:07:58,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:07:58,832 INFO L225 Difference]: With dead ends: 10465 [2022-10-16 16:07:58,832 INFO L226 Difference]: Without dead ends: 10461 [2022-10-16 16:07:58,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:07:58,837 INFO L413 NwaCegarLoop]: 3199 mSDtfsCounter, 6507 mSDsluCounter, 5742 mSDsCounter, 0 mSdLazyCounter, 2592 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6507 SdHoareTripleChecker+Valid, 8941 SdHoareTripleChecker+Invalid, 2623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 2592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:07:58,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6507 Valid, 8941 Invalid, 2623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 2592 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 16:07:58,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10461 states. [2022-10-16 16:07:59,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10461 to 10439. [2022-10-16 16:07:59,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10439 states, 10400 states have (on average 1.4690384615384615) internal successors, (15278), 10438 states have internal predecessors, (15278), 0 states have call successors, (0), 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 16:07:59,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10439 states to 10439 states and 15278 transitions. [2022-10-16 16:07:59,569 INFO L78 Accepts]: Start accepts. Automaton has 10439 states and 15278 transitions. Word has length 81 [2022-10-16 16:07:59,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:07:59,569 INFO L495 AbstractCegarLoop]: Abstraction has 10439 states and 15278 transitions. [2022-10-16 16:07:59,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 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 16:07:59,570 INFO L276 IsEmpty]: Start isEmpty. Operand 10439 states and 15278 transitions. [2022-10-16 16:07:59,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 16:07:59,573 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:07:59,573 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] [2022-10-16 16:07:59,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-16 16:07:59,573 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:07:59,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:07:59,574 INFO L85 PathProgramCache]: Analyzing trace with hash 699821796, now seen corresponding path program 1 times [2022-10-16 16:07:59,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:07:59,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214312645] [2022-10-16 16:07:59,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:07:59,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:07:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:07:59,715 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 16:07:59,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:07:59,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214312645] [2022-10-16 16:07:59,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214312645] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:07:59,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:07:59,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:07:59,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384638001] [2022-10-16 16:07:59,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:07:59,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:07:59,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:07:59,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:07:59,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:07:59,718 INFO L87 Difference]: Start difference. First operand 10439 states and 15278 transitions. Second operand has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 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 16:08:01,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:01,472 INFO L93 Difference]: Finished difference Result 11713 states and 17236 transitions. [2022-10-16 16:08:01,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:08:01,472 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-10-16 16:08:01,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:01,485 INFO L225 Difference]: With dead ends: 11713 [2022-10-16 16:08:01,485 INFO L226 Difference]: Without dead ends: 11710 [2022-10-16 16:08:01,488 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 16:08:01,489 INFO L413 NwaCegarLoop]: 3041 mSDtfsCounter, 3588 mSDsluCounter, 2843 mSDsCounter, 0 mSdLazyCounter, 1479 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3588 SdHoareTripleChecker+Valid, 5884 SdHoareTripleChecker+Invalid, 1502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:01,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3588 Valid, 5884 Invalid, 1502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1479 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 16:08:01,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11710 states. [2022-10-16 16:08:02,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11710 to 11698. [2022-10-16 16:08:02,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11698 states, 11660 states have (on average 1.4765866209262435) internal successors, (17217), 11697 states have internal predecessors, (17217), 0 states have call successors, (0), 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 16:08:02,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11698 states to 11698 states and 17217 transitions. [2022-10-16 16:08:02,365 INFO L78 Accepts]: Start accepts. Automaton has 11698 states and 17217 transitions. Word has length 81 [2022-10-16 16:08:02,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:02,366 INFO L495 AbstractCegarLoop]: Abstraction has 11698 states and 17217 transitions. [2022-10-16 16:08:02,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 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 16:08:02,366 INFO L276 IsEmpty]: Start isEmpty. Operand 11698 states and 17217 transitions. [2022-10-16 16:08:02,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 16:08:02,369 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:02,369 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] [2022-10-16 16:08:02,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 16:08:02,370 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr91ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:08:02,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:02,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1554451120, now seen corresponding path program 1 times [2022-10-16 16:08:02,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:02,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669031862] [2022-10-16 16:08:02,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:02,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:02,551 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 16:08:02,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:02,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669031862] [2022-10-16 16:08:02,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669031862] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:02,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:02,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:08:02,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125139190] [2022-10-16 16:08:02,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:02,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:08:02,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:02,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:08:02,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:08:02,554 INFO L87 Difference]: Start difference. First operand 11698 states and 17217 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 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 16:08:05,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:05,262 INFO L93 Difference]: Finished difference Result 19850 states and 29865 transitions. [2022-10-16 16:08:05,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:08:05,263 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-10-16 16:08:05,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:05,280 INFO L225 Difference]: With dead ends: 19850 [2022-10-16 16:08:05,281 INFO L226 Difference]: Without dead ends: 14966 [2022-10-16 16:08:05,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:08:05,289 INFO L413 NwaCegarLoop]: 2902 mSDtfsCounter, 6913 mSDsluCounter, 5206 mSDsCounter, 0 mSdLazyCounter, 2450 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6913 SdHoareTripleChecker+Valid, 8108 SdHoareTripleChecker+Invalid, 2525 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 2450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:05,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6913 Valid, 8108 Invalid, 2525 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 2450 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 16:08:05,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14966 states. [2022-10-16 16:08:06,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14966 to 13420. [2022-10-16 16:08:06,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13420 states, 13384 states have (on average 1.4895397489539748) internal successors, (19936), 13419 states have internal predecessors, (19936), 0 states have call successors, (0), 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 16:08:06,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13420 states to 13420 states and 19936 transitions. [2022-10-16 16:08:06,406 INFO L78 Accepts]: Start accepts. Automaton has 13420 states and 19936 transitions. Word has length 81 [2022-10-16 16:08:06,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:06,406 INFO L495 AbstractCegarLoop]: Abstraction has 13420 states and 19936 transitions. [2022-10-16 16:08:06,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 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 16:08:06,407 INFO L276 IsEmpty]: Start isEmpty. Operand 13420 states and 19936 transitions. [2022-10-16 16:08:06,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 16:08:06,411 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:06,411 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] [2022-10-16 16:08:06,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 16:08:06,412 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr472ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:08:06,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:06,412 INFO L85 PathProgramCache]: Analyzing trace with hash 796055697, now seen corresponding path program 1 times [2022-10-16 16:08:06,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:06,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400789659] [2022-10-16 16:08:06,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:06,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:06,603 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 16:08:06,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:06,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400789659] [2022-10-16 16:08:06,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400789659] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:06,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:06,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:08:06,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917173783] [2022-10-16 16:08:06,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:06,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:08:06,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:06,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:08:06,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:08:06,606 INFO L87 Difference]: Start difference. First operand 13420 states and 19936 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 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 16:08:08,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:08,984 INFO L93 Difference]: Finished difference Result 13520 states and 20073 transitions. [2022-10-16 16:08:08,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:08:08,985 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 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 81 [2022-10-16 16:08:08,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:09,004 INFO L225 Difference]: With dead ends: 13520 [2022-10-16 16:08:09,004 INFO L226 Difference]: Without dead ends: 13511 [2022-10-16 16:08:09,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:08:09,010 INFO L413 NwaCegarLoop]: 3042 mSDtfsCounter, 5932 mSDsluCounter, 5284 mSDsCounter, 0 mSdLazyCounter, 2240 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5932 SdHoareTripleChecker+Valid, 8326 SdHoareTripleChecker+Invalid, 2257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:09,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5932 Valid, 8326 Invalid, 2257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 2240 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 16:08:09,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13511 states. [2022-10-16 16:08:10,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13511 to 13503. [2022-10-16 16:08:10,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13503 states, 13469 states have (on average 1.4894943945356003) internal successors, (20062), 13502 states have internal predecessors, (20062), 0 states have call successors, (0), 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 16:08:10,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13503 states to 13503 states and 20062 transitions. [2022-10-16 16:08:10,050 INFO L78 Accepts]: Start accepts. Automaton has 13503 states and 20062 transitions. Word has length 81 [2022-10-16 16:08:10,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:10,051 INFO L495 AbstractCegarLoop]: Abstraction has 13503 states and 20062 transitions. [2022-10-16 16:08:10,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 6 states have internal predecessors, (81), 0 states have call successors, (0), 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 16:08:10,051 INFO L276 IsEmpty]: Start isEmpty. Operand 13503 states and 20062 transitions. [2022-10-16 16:08:10,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:08:10,054 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:10,055 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] [2022-10-16 16:08:10,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-16 16:08:10,055 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr291ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:08:10,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:10,055 INFO L85 PathProgramCache]: Analyzing trace with hash 644632470, now seen corresponding path program 1 times [2022-10-16 16:08:10,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:10,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780432487] [2022-10-16 16:08:10,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:10,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:10,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:10,218 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 16:08:10,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:10,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780432487] [2022-10-16 16:08:10,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780432487] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:10,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:10,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:08:10,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936331041] [2022-10-16 16:08:10,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:10,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:08:10,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:10,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:08:10,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:08:10,222 INFO L87 Difference]: Start difference. First operand 13503 states and 20062 transitions. Second operand has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 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 16:08:12,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:12,777 INFO L93 Difference]: Finished difference Result 19259 states and 28949 transitions. [2022-10-16 16:08:12,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:08:12,779 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-10-16 16:08:12,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:12,803 INFO L225 Difference]: With dead ends: 19259 [2022-10-16 16:08:12,803 INFO L226 Difference]: Without dead ends: 14553 [2022-10-16 16:08:12,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:08:12,813 INFO L413 NwaCegarLoop]: 3073 mSDtfsCounter, 7263 mSDsluCounter, 4887 mSDsCounter, 0 mSdLazyCounter, 1988 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7263 SdHoareTripleChecker+Valid, 7960 SdHoareTripleChecker+Invalid, 2072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:12,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7263 Valid, 7960 Invalid, 2072 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 1988 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 16:08:12,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14553 states. [2022-10-16 16:08:13,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14553 to 14069. [2022-10-16 16:08:13,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14069 states, 14043 states have (on average 1.4935555080823186) internal successors, (20974), 14068 states have internal predecessors, (20974), 0 states have call successors, (0), 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 16:08:14,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14069 states to 14069 states and 20974 transitions. [2022-10-16 16:08:14,001 INFO L78 Accepts]: Start accepts. Automaton has 14069 states and 20974 transitions. Word has length 82 [2022-10-16 16:08:14,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:14,002 INFO L495 AbstractCegarLoop]: Abstraction has 14069 states and 20974 transitions. [2022-10-16 16:08:14,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 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 16:08:14,002 INFO L276 IsEmpty]: Start isEmpty. Operand 14069 states and 20974 transitions. [2022-10-16 16:08:14,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:08:14,006 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:14,006 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] [2022-10-16 16:08:14,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 16:08:14,006 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr160ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:08:14,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:14,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1446561336, now seen corresponding path program 1 times [2022-10-16 16:08:14,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:14,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688675084] [2022-10-16 16:08:14,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:14,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:14,167 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 16:08:14,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:14,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688675084] [2022-10-16 16:08:14,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688675084] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:14,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:14,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:08:14,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823939836] [2022-10-16 16:08:14,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:14,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:08:14,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:14,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:08:14,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:08:14,169 INFO L87 Difference]: Start difference. First operand 14069 states and 20974 transitions. Second operand has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 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 16:08:16,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:16,652 INFO L93 Difference]: Finished difference Result 14169 states and 21111 transitions. [2022-10-16 16:08:16,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:08:16,652 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-10-16 16:08:16,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:16,673 INFO L225 Difference]: With dead ends: 14169 [2022-10-16 16:08:16,673 INFO L226 Difference]: Without dead ends: 14165 [2022-10-16 16:08:16,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:08:16,678 INFO L413 NwaCegarLoop]: 3012 mSDtfsCounter, 6123 mSDsluCounter, 5220 mSDsCounter, 0 mSdLazyCounter, 2164 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6123 SdHoareTripleChecker+Valid, 8232 SdHoareTripleChecker+Invalid, 2189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 2164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:16,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6123 Valid, 8232 Invalid, 2189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 2164 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 16:08:16,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14165 states. [2022-10-16 16:08:17,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14165 to 14157. [2022-10-16 16:08:17,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14157 states, 14133 states have (on average 1.4934550343168471) internal successors, (21107), 14156 states have internal predecessors, (21107), 0 states have call successors, (0), 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 16:08:17,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14157 states to 14157 states and 21107 transitions. [2022-10-16 16:08:17,850 INFO L78 Accepts]: Start accepts. Automaton has 14157 states and 21107 transitions. Word has length 82 [2022-10-16 16:08:17,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:17,850 INFO L495 AbstractCegarLoop]: Abstraction has 14157 states and 21107 transitions. [2022-10-16 16:08:17,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 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 16:08:17,850 INFO L276 IsEmpty]: Start isEmpty. Operand 14157 states and 21107 transitions. [2022-10-16 16:08:17,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 16:08:17,854 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:17,854 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] [2022-10-16 16:08:17,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-16 16:08:17,854 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr154ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:08:17,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:17,855 INFO L85 PathProgramCache]: Analyzing trace with hash 298707468, now seen corresponding path program 1 times [2022-10-16 16:08:17,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:17,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951927787] [2022-10-16 16:08:17,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:17,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:18,015 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 16:08:18,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:18,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951927787] [2022-10-16 16:08:18,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951927787] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:18,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:18,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:08:18,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251311519] [2022-10-16 16:08:18,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:18,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:08:18,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:18,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:08:18,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:08:18,018 INFO L87 Difference]: Start difference. First operand 14157 states and 21107 transitions. Second operand has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 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 16:08:20,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:20,356 INFO L93 Difference]: Finished difference Result 14257 states and 21244 transitions. [2022-10-16 16:08:20,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:08:20,357 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 82 [2022-10-16 16:08:20,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:20,377 INFO L225 Difference]: With dead ends: 14257 [2022-10-16 16:08:20,377 INFO L226 Difference]: Without dead ends: 14241 [2022-10-16 16:08:20,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:08:20,383 INFO L413 NwaCegarLoop]: 2979 mSDtfsCounter, 6408 mSDsluCounter, 3209 mSDsCounter, 0 mSdLazyCounter, 1611 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6408 SdHoareTripleChecker+Valid, 6188 SdHoareTripleChecker+Invalid, 1640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:20,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6408 Valid, 6188 Invalid, 1640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1611 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 16:08:20,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14241 states. [2022-10-16 16:08:21,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14241 to 14233. [2022-10-16 16:08:21,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14233 states, 14213 states have (on average 1.493421515513966) internal successors, (21226), 14232 states have internal predecessors, (21226), 0 states have call successors, (0), 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 16:08:21,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14233 states to 14233 states and 21226 transitions. [2022-10-16 16:08:21,602 INFO L78 Accepts]: Start accepts. Automaton has 14233 states and 21226 transitions. Word has length 82 [2022-10-16 16:08:21,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:21,602 INFO L495 AbstractCegarLoop]: Abstraction has 14233 states and 21226 transitions. [2022-10-16 16:08:21,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 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 16:08:21,602 INFO L276 IsEmpty]: Start isEmpty. Operand 14233 states and 21226 transitions. [2022-10-16 16:08:21,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:08:21,607 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:21,607 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 16:08:21,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 16:08:21,607 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:08:21,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:21,608 INFO L85 PathProgramCache]: Analyzing trace with hash 871976580, now seen corresponding path program 1 times [2022-10-16 16:08:21,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:21,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084118026] [2022-10-16 16:08:21,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:21,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:21,750 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 16:08:21,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:21,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084118026] [2022-10-16 16:08:21,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084118026] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:21,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:21,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:08:21,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388740496] [2022-10-16 16:08:21,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:21,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:08:21,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:21,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:08:21,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:08:21,753 INFO L87 Difference]: Start difference. First operand 14233 states and 21226 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 16:08:24,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:24,072 INFO L93 Difference]: Finished difference Result 16731 states and 25075 transitions. [2022-10-16 16:08:24,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:08:24,073 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 16:08:24,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:24,102 INFO L225 Difference]: With dead ends: 16731 [2022-10-16 16:08:24,102 INFO L226 Difference]: Without dead ends: 16727 [2022-10-16 16:08:24,108 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 16:08:24,109 INFO L413 NwaCegarLoop]: 3575 mSDtfsCounter, 915 mSDsluCounter, 5062 mSDsCounter, 0 mSdLazyCounter, 1519 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 915 SdHoareTripleChecker+Valid, 8637 SdHoareTripleChecker+Invalid, 1552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:24,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [915 Valid, 8637 Invalid, 1552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1519 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 16:08:24,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16727 states. [2022-10-16 16:08:25,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16727 to 16301. [2022-10-16 16:08:25,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16301 states, 16283 states have (on average 1.4961002272308543) internal successors, (24361), 16300 states have internal predecessors, (24361), 0 states have call successors, (0), 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 16:08:25,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16301 states to 16301 states and 24361 transitions. [2022-10-16 16:08:25,521 INFO L78 Accepts]: Start accepts. Automaton has 16301 states and 24361 transitions. Word has length 83 [2022-10-16 16:08:25,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:25,521 INFO L495 AbstractCegarLoop]: Abstraction has 16301 states and 24361 transitions. [2022-10-16 16:08:25,522 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 16:08:25,522 INFO L276 IsEmpty]: Start isEmpty. Operand 16301 states and 24361 transitions. [2022-10-16 16:08:25,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 16:08:25,526 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:25,526 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 16:08:25,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-10-16 16:08:25,526 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:08:25,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:25,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1781087482, now seen corresponding path program 1 times [2022-10-16 16:08:25,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:25,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000424388] [2022-10-16 16:08:25,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:25,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:25,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:25,681 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 16:08:25,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:25,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000424388] [2022-10-16 16:08:25,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000424388] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:25,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:25,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:08:25,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832866390] [2022-10-16 16:08:25,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:25,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:08:25,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:25,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:08:25,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:08:25,683 INFO L87 Difference]: Start difference. First operand 16301 states and 24361 transitions. Second operand has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 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 16:08:28,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:28,595 INFO L93 Difference]: Finished difference Result 16857 states and 25193 transitions. [2022-10-16 16:08:28,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:08:28,596 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 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 16:08:28,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:28,617 INFO L225 Difference]: With dead ends: 16857 [2022-10-16 16:08:28,617 INFO L226 Difference]: Without dead ends: 16854 [2022-10-16 16:08:28,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:08:28,622 INFO L413 NwaCegarLoop]: 2976 mSDtfsCounter, 6023 mSDsluCounter, 5943 mSDsCounter, 0 mSdLazyCounter, 2622 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6023 SdHoareTripleChecker+Valid, 8919 SdHoareTripleChecker+Invalid, 2644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 2622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:28,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6023 Valid, 8919 Invalid, 2644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 2622 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 16:08:28,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16854 states. [2022-10-16 16:08:30,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16854 to 16840. [2022-10-16 16:08:30,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16840 states, 16823 states have (on average 1.4969981572846698) internal successors, (25184), 16839 states have internal predecessors, (25184), 0 states have call successors, (0), 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 16:08:30,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16840 states to 16840 states and 25184 transitions. [2022-10-16 16:08:30,108 INFO L78 Accepts]: Start accepts. Automaton has 16840 states and 25184 transitions. Word has length 83 [2022-10-16 16:08:30,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:30,109 INFO L495 AbstractCegarLoop]: Abstraction has 16840 states and 25184 transitions. [2022-10-16 16:08:30,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 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 16:08:30,109 INFO L276 IsEmpty]: Start isEmpty. Operand 16840 states and 25184 transitions. [2022-10-16 16:08:30,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 16:08:30,113 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:30,113 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] [2022-10-16 16:08:30,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-10-16 16:08:30,113 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr142ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:08:30,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:30,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1736615852, now seen corresponding path program 1 times [2022-10-16 16:08:30,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:30,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352606084] [2022-10-16 16:08:30,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:30,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:30,322 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 16:08:30,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:30,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352606084] [2022-10-16 16:08:30,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352606084] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:30,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:30,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:08:30,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134638052] [2022-10-16 16:08:30,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:30,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:08:30,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:30,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:08:30,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:08:30,327 INFO L87 Difference]: Start difference. First operand 16840 states and 25184 transitions. Second operand has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 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 16:08:32,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:32,864 INFO L93 Difference]: Finished difference Result 17510 states and 26184 transitions. [2022-10-16 16:08:32,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:08:32,865 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2022-10-16 16:08:32,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:32,887 INFO L225 Difference]: With dead ends: 17510 [2022-10-16 16:08:32,887 INFO L226 Difference]: Without dead ends: 17507 [2022-10-16 16:08:32,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:08:32,892 INFO L413 NwaCegarLoop]: 3246 mSDtfsCounter, 3872 mSDsluCounter, 5066 mSDsCounter, 0 mSdLazyCounter, 1860 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3872 SdHoareTripleChecker+Valid, 8312 SdHoareTripleChecker+Invalid, 1893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:32,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3872 Valid, 8312 Invalid, 1893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1860 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 16:08:32,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17507 states. [2022-10-16 16:08:34,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17507 to 17330. [2022-10-16 16:08:34,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17330 states, 17315 states have (on average 1.497487727403985) internal successors, (25929), 17329 states have internal predecessors, (25929), 0 states have call successors, (0), 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 16:08:34,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17330 states to 17330 states and 25929 transitions. [2022-10-16 16:08:34,411 INFO L78 Accepts]: Start accepts. Automaton has 17330 states and 25929 transitions. Word has length 84 [2022-10-16 16:08:34,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:34,412 INFO L495 AbstractCegarLoop]: Abstraction has 17330 states and 25929 transitions. [2022-10-16 16:08:34,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 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 16:08:34,412 INFO L276 IsEmpty]: Start isEmpty. Operand 17330 states and 25929 transitions. [2022-10-16 16:08:34,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-16 16:08:34,415 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:34,415 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] [2022-10-16 16:08:34,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-10-16 16:08:34,415 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:08:34,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:34,416 INFO L85 PathProgramCache]: Analyzing trace with hash 620863911, now seen corresponding path program 1 times [2022-10-16 16:08:34,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:34,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403961541] [2022-10-16 16:08:34,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:34,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:34,574 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 16:08:34,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:34,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403961541] [2022-10-16 16:08:34,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403961541] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:34,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:34,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:08:34,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403399664] [2022-10-16 16:08:34,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:34,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:08:34,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:34,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:08:34,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:08:34,577 INFO L87 Difference]: Start difference. First operand 17330 states and 25929 transitions. Second operand has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 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 16:08:37,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:37,755 INFO L93 Difference]: Finished difference Result 32367 states and 49144 transitions. [2022-10-16 16:08:37,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:08:37,755 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 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 84 [2022-10-16 16:08:37,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:37,786 INFO L225 Difference]: With dead ends: 32367 [2022-10-16 16:08:37,786 INFO L226 Difference]: Without dead ends: 22568 [2022-10-16 16:08:37,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:08:37,802 INFO L413 NwaCegarLoop]: 2873 mSDtfsCounter, 6947 mSDsluCounter, 2805 mSDsCounter, 0 mSdLazyCounter, 1560 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6947 SdHoareTripleChecker+Valid, 5678 SdHoareTripleChecker+Invalid, 1636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:37,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6947 Valid, 5678 Invalid, 1636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 1560 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 16:08:37,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22568 states. [2022-10-16 16:08:39,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22568 to 21557. [2022-10-16 16:08:39,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21557 states, 21543 states have (on average 1.5077751473796592) internal successors, (32482), 21556 states have internal predecessors, (32482), 0 states have call successors, (0), 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 16:08:39,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21557 states to 21557 states and 32482 transitions. [2022-10-16 16:08:39,865 INFO L78 Accepts]: Start accepts. Automaton has 21557 states and 32482 transitions. Word has length 84 [2022-10-16 16:08:39,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:39,865 INFO L495 AbstractCegarLoop]: Abstraction has 21557 states and 32482 transitions. [2022-10-16 16:08:39,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 0 states have call successors, (0), 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 16:08:39,866 INFO L276 IsEmpty]: Start isEmpty. Operand 21557 states and 32482 transitions. [2022-10-16 16:08:39,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 16:08:39,868 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:39,868 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 16:08:39,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-10-16 16:08:39,869 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:08:39,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:39,869 INFO L85 PathProgramCache]: Analyzing trace with hash 450899750, now seen corresponding path program 1 times [2022-10-16 16:08:39,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:39,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299411355] [2022-10-16 16:08:39,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:39,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:39,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:40,037 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 16:08:40,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:40,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299411355] [2022-10-16 16:08:40,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299411355] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:40,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:40,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:08:40,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954587258] [2022-10-16 16:08:40,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:40,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:08:40,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:40,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:08:40,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:08:40,041 INFO L87 Difference]: Start difference. First operand 21557 states and 32482 transitions. Second operand has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 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 16:08:43,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:43,305 INFO L93 Difference]: Finished difference Result 24087 states and 36370 transitions. [2022-10-16 16:08:43,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:08:43,306 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 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 16:08:43,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:43,342 INFO L225 Difference]: With dead ends: 24087 [2022-10-16 16:08:43,342 INFO L226 Difference]: Without dead ends: 24083 [2022-10-16 16:08:43,348 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:08:43,349 INFO L413 NwaCegarLoop]: 3387 mSDtfsCounter, 3848 mSDsluCounter, 5233 mSDsCounter, 0 mSdLazyCounter, 1747 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3848 SdHoareTripleChecker+Valid, 8620 SdHoareTripleChecker+Invalid, 1779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:43,349 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3848 Valid, 8620 Invalid, 1779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1747 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 16:08:43,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24083 states. [2022-10-16 16:08:45,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24083 to 24059. [2022-10-16 16:08:45,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24059 states, 24047 states have (on average 1.5113735601114484) internal successors, (36344), 24058 states have internal predecessors, (36344), 0 states have call successors, (0), 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 16:08:45,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24059 states to 24059 states and 36344 transitions. [2022-10-16 16:08:45,592 INFO L78 Accepts]: Start accepts. Automaton has 24059 states and 36344 transitions. Word has length 85 [2022-10-16 16:08:45,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:45,593 INFO L495 AbstractCegarLoop]: Abstraction has 24059 states and 36344 transitions. [2022-10-16 16:08:45,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 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 16:08:45,593 INFO L276 IsEmpty]: Start isEmpty. Operand 24059 states and 36344 transitions. [2022-10-16 16:08:45,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 16:08:45,595 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:45,595 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] [2022-10-16 16:08:45,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-10-16 16:08:45,596 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:08:45,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:45,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1092991275, now seen corresponding path program 1 times [2022-10-16 16:08:45,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:45,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352545658] [2022-10-16 16:08:45,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:45,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:45,799 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 16:08:45,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:45,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352545658] [2022-10-16 16:08:45,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352545658] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:45,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:45,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:08:45,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430294828] [2022-10-16 16:08:45,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:45,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:08:45,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:45,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:08:45,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:08:45,802 INFO L87 Difference]: Start difference. First operand 24059 states and 36344 transitions. Second operand has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 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 16:08:48,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:48,970 INFO L93 Difference]: Finished difference Result 29387 states and 44458 transitions. [2022-10-16 16:08:48,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:08:48,971 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 86 [2022-10-16 16:08:48,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:49,000 INFO L225 Difference]: With dead ends: 29387 [2022-10-16 16:08:49,000 INFO L226 Difference]: Without dead ends: 22233 [2022-10-16 16:08:49,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:08:49,014 INFO L413 NwaCegarLoop]: 3327 mSDtfsCounter, 3994 mSDsluCounter, 5030 mSDsCounter, 0 mSdLazyCounter, 1804 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3994 SdHoareTripleChecker+Valid, 8357 SdHoareTripleChecker+Invalid, 1864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 1804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:49,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3994 Valid, 8357 Invalid, 1864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 1804 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 16:08:49,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22233 states. [2022-10-16 16:08:50,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22233 to 12832. [2022-10-16 16:08:50,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12832 states, 12822 states have (on average 1.4911870223054127) internal successors, (19120), 12831 states have internal predecessors, (19120), 0 states have call successors, (0), 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 16:08:50,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12832 states to 12832 states and 19120 transitions. [2022-10-16 16:08:50,310 INFO L78 Accepts]: Start accepts. Automaton has 12832 states and 19120 transitions. Word has length 86 [2022-10-16 16:08:50,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:50,310 INFO L495 AbstractCegarLoop]: Abstraction has 12832 states and 19120 transitions. [2022-10-16 16:08:50,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.2) internal successors, (86), 6 states have internal predecessors, (86), 0 states have call successors, (0), 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 16:08:50,310 INFO L276 IsEmpty]: Start isEmpty. Operand 12832 states and 19120 transitions. [2022-10-16 16:08:50,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:08:50,313 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:50,313 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 16:08:50,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-10-16 16:08:50,313 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:08:50,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:50,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1042801695, now seen corresponding path program 1 times [2022-10-16 16:08:50,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:50,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796412141] [2022-10-16 16:08:50,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:50,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:50,494 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 16:08:50,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:50,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796412141] [2022-10-16 16:08:50,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796412141] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:50,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:50,495 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:08:50,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408632933] [2022-10-16 16:08:50,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:50,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:08:50,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:50,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:08:50,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:08:50,500 INFO L87 Difference]: Start difference. First operand 12832 states and 19120 transitions. Second operand has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 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 16:08:52,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:52,996 INFO L93 Difference]: Finished difference Result 13006 states and 19370 transitions. [2022-10-16 16:08:52,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:08:52,996 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 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 16:08:52,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:53,013 INFO L225 Difference]: With dead ends: 13006 [2022-10-16 16:08:53,013 INFO L226 Difference]: Without dead ends: 13005 [2022-10-16 16:08:53,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:08:53,018 INFO L413 NwaCegarLoop]: 3070 mSDtfsCounter, 3600 mSDsluCounter, 4956 mSDsCounter, 0 mSdLazyCounter, 1985 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3600 SdHoareTripleChecker+Valid, 8026 SdHoareTripleChecker+Invalid, 2009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:53,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3600 Valid, 8026 Invalid, 2009 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1985 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 16:08:53,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13005 states. [2022-10-16 16:08:54,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13005 to 12996. [2022-10-16 16:08:54,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12996 states, 12986 states have (on average 1.4912213152625904) internal successors, (19365), 12995 states have internal predecessors, (19365), 0 states have call successors, (0), 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 16:08:54,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12996 states to 12996 states and 19365 transitions. [2022-10-16 16:08:54,287 INFO L78 Accepts]: Start accepts. Automaton has 12996 states and 19365 transitions. Word has length 87 [2022-10-16 16:08:54,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:54,287 INFO L495 AbstractCegarLoop]: Abstraction has 12996 states and 19365 transitions. [2022-10-16 16:08:54,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 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 16:08:54,288 INFO L276 IsEmpty]: Start isEmpty. Operand 12996 states and 19365 transitions. [2022-10-16 16:08:54,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:08:54,290 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:54,290 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 16:08:54,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2022-10-16 16:08:54,291 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:08:54,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:54,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1056997343, now seen corresponding path program 1 times [2022-10-16 16:08:54,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:54,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465512301] [2022-10-16 16:08:54,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:54,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:54,448 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 16:08:54,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:54,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465512301] [2022-10-16 16:08:54,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465512301] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:54,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:54,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:08:54,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547090305] [2022-10-16 16:08:54,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:54,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:08:54,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:54,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:08:54,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:08:54,451 INFO L87 Difference]: Start difference. First operand 12996 states and 19365 transitions. Second operand has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 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 16:08:56,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:08:56,607 INFO L93 Difference]: Finished difference Result 13252 states and 19740 transitions. [2022-10-16 16:08:56,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:08:56,607 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 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 16:08:56,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:08:56,626 INFO L225 Difference]: With dead ends: 13252 [2022-10-16 16:08:56,626 INFO L226 Difference]: Without dead ends: 13251 [2022-10-16 16:08:56,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:08:56,632 INFO L413 NwaCegarLoop]: 3070 mSDtfsCounter, 3193 mSDsluCounter, 3299 mSDsCounter, 0 mSdLazyCounter, 1534 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3193 SdHoareTripleChecker+Valid, 6369 SdHoareTripleChecker+Invalid, 1558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:08:56,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3193 Valid, 6369 Invalid, 1558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1534 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 16:08:56,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13251 states. [2022-10-16 16:08:57,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13251 to 13242. [2022-10-16 16:08:57,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13242 states, 13232 states have (on average 1.4913845223700122) internal successors, (19734), 13241 states have internal predecessors, (19734), 0 states have call successors, (0), 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 16:08:57,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13242 states to 13242 states and 19734 transitions. [2022-10-16 16:08:57,952 INFO L78 Accepts]: Start accepts. Automaton has 13242 states and 19734 transitions. Word has length 87 [2022-10-16 16:08:57,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:08:57,952 INFO L495 AbstractCegarLoop]: Abstraction has 13242 states and 19734 transitions. [2022-10-16 16:08:57,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 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 16:08:57,952 INFO L276 IsEmpty]: Start isEmpty. Operand 13242 states and 19734 transitions. [2022-10-16 16:08:57,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 16:08:57,955 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:08:57,955 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, 1, 1, 1, 1] [2022-10-16 16:08:57,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-10-16 16:08:57,956 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:08:57,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:08:57,956 INFO L85 PathProgramCache]: Analyzing trace with hash 321698087, now seen corresponding path program 1 times [2022-10-16 16:08:57,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:08:57,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338773978] [2022-10-16 16:08:57,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:08:57,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:08:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:08:58,122 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 16:08:58,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:08:58,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338773978] [2022-10-16 16:08:58,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338773978] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:08:58,123 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:08:58,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:08:58,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072616297] [2022-10-16 16:08:58,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:08:58,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:08:58,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:08:58,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:08:58,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:08:58,125 INFO L87 Difference]: Start difference. First operand 13242 states and 19734 transitions. Second operand has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 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 16:09:00,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:09:00,443 INFO L93 Difference]: Finished difference Result 13338 states and 19859 transitions. [2022-10-16 16:09:00,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:09:00,443 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 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 91 [2022-10-16 16:09:00,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:09:00,460 INFO L225 Difference]: With dead ends: 13338 [2022-10-16 16:09:00,460 INFO L226 Difference]: Without dead ends: 13155 [2022-10-16 16:09:00,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:09:00,466 INFO L413 NwaCegarLoop]: 3706 mSDtfsCounter, 967 mSDsluCounter, 5190 mSDsCounter, 0 mSdLazyCounter, 1540 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 967 SdHoareTripleChecker+Valid, 8896 SdHoareTripleChecker+Invalid, 1574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:09:00,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [967 Valid, 8896 Invalid, 1574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1540 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 16:09:00,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13155 states. [2022-10-16 16:09:01,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13155 to 13142. [2022-10-16 16:09:01,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13142 states, 13132 states have (on average 1.4910143161742309) internal successors, (19580), 13141 states have internal predecessors, (19580), 0 states have call successors, (0), 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 16:09:01,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13142 states to 13142 states and 19580 transitions. [2022-10-16 16:09:01,689 INFO L78 Accepts]: Start accepts. Automaton has 13142 states and 19580 transitions. Word has length 91 [2022-10-16 16:09:01,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:09:01,690 INFO L495 AbstractCegarLoop]: Abstraction has 13142 states and 19580 transitions. [2022-10-16 16:09:01,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.2) internal successors, (91), 6 states have internal predecessors, (91), 0 states have call successors, (0), 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 16:09:01,690 INFO L276 IsEmpty]: Start isEmpty. Operand 13142 states and 19580 transitions. [2022-10-16 16:09:01,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-16 16:09:01,695 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:09:01,695 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:09:01,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-10-16 16:09:01,696 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:09:01,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:09:01,696 INFO L85 PathProgramCache]: Analyzing trace with hash -207921944, now seen corresponding path program 1 times [2022-10-16 16:09:01,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:09:01,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735111550] [2022-10-16 16:09:01,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:09:01,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:09:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:09:01,841 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 16:09:01,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:09:01,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735111550] [2022-10-16 16:09:01,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735111550] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:09:01,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:09:01,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:09:01,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48180183] [2022-10-16 16:09:01,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:09:01,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:09:01,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:09:01,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:09:01,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:09:01,844 INFO L87 Difference]: Start difference. First operand 13142 states and 19580 transitions. Second operand has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 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 16:09:04,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:09:04,071 INFO L93 Difference]: Finished difference Result 13562 states and 20202 transitions. [2022-10-16 16:09:04,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:09:04,072 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-10-16 16:09:04,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:09:04,090 INFO L225 Difference]: With dead ends: 13562 [2022-10-16 16:09:04,091 INFO L226 Difference]: Without dead ends: 13560 [2022-10-16 16:09:04,096 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 16:09:04,096 INFO L413 NwaCegarLoop]: 2913 mSDtfsCounter, 3050 mSDsluCounter, 3187 mSDsCounter, 0 mSdLazyCounter, 1500 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3050 SdHoareTripleChecker+Valid, 6100 SdHoareTripleChecker+Invalid, 1514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 1500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:09:04,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3050 Valid, 6100 Invalid, 1514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 1500 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 16:09:04,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13560 states. [2022-10-16 16:09:05,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13560 to 13142. [2022-10-16 16:09:05,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13142 states, 13132 states have (on average 1.489795918367347) internal successors, (19564), 13141 states have internal predecessors, (19564), 0 states have call successors, (0), 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 16:09:05,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13142 states to 13142 states and 19564 transitions. [2022-10-16 16:09:05,401 INFO L78 Accepts]: Start accepts. Automaton has 13142 states and 19564 transitions. Word has length 101 [2022-10-16 16:09:05,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:09:05,402 INFO L495 AbstractCegarLoop]: Abstraction has 13142 states and 19564 transitions. [2022-10-16 16:09:05,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 25.25) internal successors, (101), 5 states have internal predecessors, (101), 0 states have call successors, (0), 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 16:09:05,402 INFO L276 IsEmpty]: Start isEmpty. Operand 13142 states and 19564 transitions. [2022-10-16 16:09:05,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-10-16 16:09:05,407 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:09:05,407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:09:05,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-10-16 16:09:05,407 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:09:05,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:09:05,408 INFO L85 PathProgramCache]: Analyzing trace with hash 2050489226, now seen corresponding path program 1 times [2022-10-16 16:09:05,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:09:05,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146379255] [2022-10-16 16:09:05,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:09:05,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:09:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:09:05,576 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 16:09:05,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:09:05,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146379255] [2022-10-16 16:09:05,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146379255] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:09:05,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:09:05,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:09:05,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232929212] [2022-10-16 16:09:05,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:09:05,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:09:05,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:09:05,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:09:05,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:09:05,578 INFO L87 Difference]: Start difference. First operand 13142 states and 19564 transitions. Second operand has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 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 16:09:07,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:09:07,984 INFO L93 Difference]: Finished difference Result 13232 states and 19688 transitions. [2022-10-16 16:09:07,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:09:07,984 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 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 103 [2022-10-16 16:09:07,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:09:08,001 INFO L225 Difference]: With dead ends: 13232 [2022-10-16 16:09:08,001 INFO L226 Difference]: Without dead ends: 13230 [2022-10-16 16:09:08,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:09:08,005 INFO L413 NwaCegarLoop]: 2917 mSDtfsCounter, 5879 mSDsluCounter, 3731 mSDsCounter, 0 mSdLazyCounter, 1761 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5879 SdHoareTripleChecker+Valid, 6648 SdHoareTripleChecker+Invalid, 1776 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1761 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:09:08,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5879 Valid, 6648 Invalid, 1776 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1761 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 16:09:08,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13230 states. [2022-10-16 16:09:09,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13230 to 13142. [2022-10-16 16:09:09,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13142 states, 13132 states have (on average 1.489491318915626) internal successors, (19560), 13141 states have internal predecessors, (19560), 0 states have call successors, (0), 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 16:09:09,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13142 states to 13142 states and 19560 transitions. [2022-10-16 16:09:09,218 INFO L78 Accepts]: Start accepts. Automaton has 13142 states and 19560 transitions. Word has length 103 [2022-10-16 16:09:09,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:09:09,218 INFO L495 AbstractCegarLoop]: Abstraction has 13142 states and 19560 transitions. [2022-10-16 16:09:09,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 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 16:09:09,218 INFO L276 IsEmpty]: Start isEmpty. Operand 13142 states and 19560 transitions. [2022-10-16 16:09:09,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 16:09:09,223 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:09:09,223 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:09:09,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-10-16 16:09:09,223 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:09:09,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:09:09,224 INFO L85 PathProgramCache]: Analyzing trace with hash -557059218, now seen corresponding path program 1 times [2022-10-16 16:09:09,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:09:09,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248489791] [2022-10-16 16:09:09,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:09:09,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:09:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:09:09,315 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 16:09:09,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:09:09,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248489791] [2022-10-16 16:09:09,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248489791] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:09:09,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:09:09,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:09:09,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947575076] [2022-10-16 16:09:09,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:09:09,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:09:09,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:09:09,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:09:09,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:09:09,318 INFO L87 Difference]: Start difference. First operand 13142 states and 19560 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:12,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:09:12,251 INFO L93 Difference]: Finished difference Result 32501 states and 49467 transitions. [2022-10-16 16:09:12,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:09:12,252 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-10-16 16:09:12,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:09:12,282 INFO L225 Difference]: With dead ends: 32501 [2022-10-16 16:09:12,283 INFO L226 Difference]: Without dead ends: 21877 [2022-10-16 16:09:12,295 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 16:09:12,296 INFO L413 NwaCegarLoop]: 3146 mSDtfsCounter, 1540 mSDsluCounter, 1772 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1540 SdHoareTripleChecker+Valid, 4918 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:09:12,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1540 Valid, 4918 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:09:12,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21877 states. [2022-10-16 16:09:14,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21877 to 21632. [2022-10-16 16:09:14,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21632 states, 21622 states have (on average 1.5048561650171122) internal successors, (32538), 21631 states have internal predecessors, (32538), 0 states have call successors, (0), 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 16:09:14,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21632 states to 21632 states and 32538 transitions. [2022-10-16 16:09:14,788 INFO L78 Accepts]: Start accepts. Automaton has 21632 states and 32538 transitions. Word has length 104 [2022-10-16 16:09:14,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:09:14,789 INFO L495 AbstractCegarLoop]: Abstraction has 21632 states and 32538 transitions. [2022-10-16 16:09:14,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:14,789 INFO L276 IsEmpty]: Start isEmpty. Operand 21632 states and 32538 transitions. [2022-10-16 16:09:14,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 16:09:14,794 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:09:14,794 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:09:14,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-10-16 16:09:14,795 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:09:14,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:09:14,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1932469744, now seen corresponding path program 1 times [2022-10-16 16:09:14,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:09:14,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210263223] [2022-10-16 16:09:14,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:09:14,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:09:14,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:09:14,925 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 16:09:14,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:09:14,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210263223] [2022-10-16 16:09:14,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210263223] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:09:14,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:09:14,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:09:14,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511801497] [2022-10-16 16:09:14,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:09:14,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:09:14,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:09:14,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:09:14,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:09:14,928 INFO L87 Difference]: Start difference. First operand 21632 states and 32538 transitions. Second operand has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:18,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:09:18,744 INFO L93 Difference]: Finished difference Result 24587 states and 37047 transitions. [2022-10-16 16:09:18,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:09:18,745 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-10-16 16:09:18,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:09:18,780 INFO L225 Difference]: With dead ends: 24587 [2022-10-16 16:09:18,780 INFO L226 Difference]: Without dead ends: 24585 [2022-10-16 16:09:18,789 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 16:09:18,793 INFO L413 NwaCegarLoop]: 3442 mSDtfsCounter, 562 mSDsluCounter, 5010 mSDsCounter, 0 mSdLazyCounter, 1462 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 8452 SdHoareTripleChecker+Invalid, 1489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 1462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:09:18,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [562 Valid, 8452 Invalid, 1489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 1462 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 16:09:18,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24585 states. [2022-10-16 16:09:21,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24585 to 21630. [2022-10-16 16:09:21,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21630 states, 21622 states have (on average 1.498011284802516) internal successors, (32390), 21629 states have internal predecessors, (32390), 0 states have call successors, (0), 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 16:09:21,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21630 states to 21630 states and 32390 transitions. [2022-10-16 16:09:21,427 INFO L78 Accepts]: Start accepts. Automaton has 21630 states and 32390 transitions. Word has length 104 [2022-10-16 16:09:21,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:09:21,427 INFO L495 AbstractCegarLoop]: Abstraction has 21630 states and 32390 transitions. [2022-10-16 16:09:21,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 34.666666666666664) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:21,428 INFO L276 IsEmpty]: Start isEmpty. Operand 21630 states and 32390 transitions. [2022-10-16 16:09:21,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 16:09:21,434 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:09:21,435 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:09:21,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-10-16 16:09:21,435 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:09:21,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:09:21,435 INFO L85 PathProgramCache]: Analyzing trace with hash -859342977, now seen corresponding path program 1 times [2022-10-16 16:09:21,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:09:21,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499550235] [2022-10-16 16:09:21,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:09:21,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:09:21,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:09:21,602 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 16:09:21,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:09:21,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499550235] [2022-10-16 16:09:21,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499550235] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:09:21,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:09:21,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:09:21,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897032319] [2022-10-16 16:09:21,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:09:21,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:09:21,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:09:21,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:09:21,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:09:21,604 INFO L87 Difference]: Start difference. First operand 21630 states and 32390 transitions. Second operand has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:25,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:09:25,972 INFO L93 Difference]: Finished difference Result 39320 states and 59558 transitions. [2022-10-16 16:09:25,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:09:25,972 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-10-16 16:09:25,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:09:26,030 INFO L225 Difference]: With dead ends: 39320 [2022-10-16 16:09:26,030 INFO L226 Difference]: Without dead ends: 26419 [2022-10-16 16:09:26,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:09:26,058 INFO L413 NwaCegarLoop]: 2823 mSDtfsCounter, 6439 mSDsluCounter, 3168 mSDsCounter, 0 mSdLazyCounter, 1586 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6439 SdHoareTripleChecker+Valid, 5991 SdHoareTripleChecker+Invalid, 1643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:09:26,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6439 Valid, 5991 Invalid, 1643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1586 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 16:09:26,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26419 states. [2022-10-16 16:09:29,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26419 to 23944. [2022-10-16 16:09:29,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23944 states, 23936 states have (on average 1.5022560160427807) internal successors, (35958), 23943 states have internal predecessors, (35958), 0 states have call successors, (0), 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 16:09:29,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23944 states to 23944 states and 35958 transitions. [2022-10-16 16:09:29,153 INFO L78 Accepts]: Start accepts. Automaton has 23944 states and 35958 transitions. Word has length 104 [2022-10-16 16:09:29,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:09:29,153 INFO L495 AbstractCegarLoop]: Abstraction has 23944 states and 35958 transitions. [2022-10-16 16:09:29,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:09:29,154 INFO L276 IsEmpty]: Start isEmpty. Operand 23944 states and 35958 transitions. [2022-10-16 16:09:29,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 16:09:29,159 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:09:29,159 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:09:29,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-10-16 16:09:29,160 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:09:29,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:09:29,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1818991324, now seen corresponding path program 1 times [2022-10-16 16:09:29,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:09:29,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466318055] [2022-10-16 16:09:29,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:09:29,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:09:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:09:29,243 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 16:09:29,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:09:29,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466318055] [2022-10-16 16:09:29,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466318055] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:09:29,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:09:29,244 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:09:29,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104212503] [2022-10-16 16:09:29,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:09:29,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:09:29,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:09:29,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:09:29,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:09:29,246 INFO L87 Difference]: Start difference. First operand 23944 states and 35958 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 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 16:09:34,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:09:34,691 INFO L93 Difference]: Finished difference Result 65402 states and 98846 transitions. [2022-10-16 16:09:34,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:09:34,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2022-10-16 16:09:34,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:09:34,760 INFO L225 Difference]: With dead ends: 65402 [2022-10-16 16:09:34,761 INFO L226 Difference]: Without dead ends: 42371 [2022-10-16 16:09:34,780 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 16:09:34,781 INFO L413 NwaCegarLoop]: 4494 mSDtfsCounter, 2181 mSDsluCounter, 2277 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2181 SdHoareTripleChecker+Valid, 6771 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:09:34,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2181 Valid, 6771 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:09:34,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42371 states. [2022-10-16 16:09:39,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42371 to 33603. [2022-10-16 16:09:39,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33603 states, 33595 states have (on average 1.486054472391725) internal successors, (49924), 33602 states have internal predecessors, (49924), 0 states have call successors, (0), 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 16:09:39,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33603 states to 33603 states and 49924 transitions. [2022-10-16 16:09:39,770 INFO L78 Accepts]: Start accepts. Automaton has 33603 states and 49924 transitions. Word has length 105 [2022-10-16 16:09:39,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:09:39,771 INFO L495 AbstractCegarLoop]: Abstraction has 33603 states and 49924 transitions. [2022-10-16 16:09:39,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 0 states have call successors, (0), 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 16:09:39,771 INFO L276 IsEmpty]: Start isEmpty. Operand 33603 states and 49924 transitions. [2022-10-16 16:09:39,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 16:09:39,866 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:09:39,866 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:09:39,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-10-16 16:09:39,867 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:09:39,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:09:39,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1528240528, now seen corresponding path program 1 times [2022-10-16 16:09:39,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:09:39,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843938015] [2022-10-16 16:09:39,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:09:39,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:09:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:09:40,048 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 16:09:40,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:09:40,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843938015] [2022-10-16 16:09:40,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843938015] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:09:40,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:09:40,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:09:40,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99315617] [2022-10-16 16:09:40,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:09:40,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:09:40,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:09:40,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:09:40,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:09:40,050 INFO L87 Difference]: Start difference. First operand 33603 states and 49924 transitions. Second operand has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 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 16:09:45,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:09:45,596 INFO L93 Difference]: Finished difference Result 33917 states and 50382 transitions. [2022-10-16 16:09:45,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:09:45,596 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 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 105 [2022-10-16 16:09:45,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:09:45,647 INFO L225 Difference]: With dead ends: 33917 [2022-10-16 16:09:45,647 INFO L226 Difference]: Without dead ends: 33915 [2022-10-16 16:09:45,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:09:45,657 INFO L413 NwaCegarLoop]: 2936 mSDtfsCounter, 5727 mSDsluCounter, 3808 mSDsCounter, 0 mSdLazyCounter, 1755 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5727 SdHoareTripleChecker+Valid, 6744 SdHoareTripleChecker+Invalid, 1768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:09:45,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5727 Valid, 6744 Invalid, 1768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1755 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 16:09:45,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33915 states. [2022-10-16 16:09:50,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33915 to 33293. [2022-10-16 16:09:50,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33293 states, 33285 states have (on average 1.4859546342196184) internal successors, (49460), 33292 states have internal predecessors, (49460), 0 states have call successors, (0), 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 16:09:50,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33293 states to 33293 states and 49460 transitions. [2022-10-16 16:09:50,516 INFO L78 Accepts]: Start accepts. Automaton has 33293 states and 49460 transitions. Word has length 105 [2022-10-16 16:09:50,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:09:50,516 INFO L495 AbstractCegarLoop]: Abstraction has 33293 states and 49460 transitions. [2022-10-16 16:09:50,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.0) internal successors, (105), 6 states have internal predecessors, (105), 0 states have call successors, (0), 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 16:09:50,516 INFO L276 IsEmpty]: Start isEmpty. Operand 33293 states and 49460 transitions. [2022-10-16 16:09:50,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 16:09:50,527 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:09:50,528 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:09:50,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-10-16 16:09:50,528 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:09:50,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:09:50,529 INFO L85 PathProgramCache]: Analyzing trace with hash 1677566482, now seen corresponding path program 1 times [2022-10-16 16:09:50,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:09:50,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012980608] [2022-10-16 16:09:50,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:09:50,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:09:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:09:50,676 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 16:09:50,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:09:50,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012980608] [2022-10-16 16:09:50,677 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012980608] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:09:50,677 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:09:50,677 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:09:50,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660386206] [2022-10-16 16:09:50,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:09:50,678 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:09:50,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:09:50,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:09:50,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:09:50,679 INFO L87 Difference]: Start difference. First operand 33293 states and 49460 transitions. Second operand has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 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 16:09:56,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:09:56,534 INFO L93 Difference]: Finished difference Result 35105 states and 52169 transitions. [2022-10-16 16:09:56,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:09:56,534 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 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 106 [2022-10-16 16:09:56,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:09:56,585 INFO L225 Difference]: With dead ends: 35105 [2022-10-16 16:09:56,586 INFO L226 Difference]: Without dead ends: 35103 [2022-10-16 16:09:56,594 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 16:09:56,595 INFO L413 NwaCegarLoop]: 3088 mSDtfsCounter, 3301 mSDsluCounter, 2960 mSDsCounter, 0 mSdLazyCounter, 1323 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3301 SdHoareTripleChecker+Valid, 6048 SdHoareTripleChecker+Invalid, 1351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:09:56,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3301 Valid, 6048 Invalid, 1351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1323 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 16:09:56,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35103 states. [2022-10-16 16:10:01,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35103 to 34217. [2022-10-16 16:10:01,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34217 states, 34209 states have (on average 1.485720132128972) internal successors, (50825), 34216 states have internal predecessors, (50825), 0 states have call successors, (0), 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 16:10:01,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34217 states to 34217 states and 50825 transitions. [2022-10-16 16:10:01,188 INFO L78 Accepts]: Start accepts. Automaton has 34217 states and 50825 transitions. Word has length 106 [2022-10-16 16:10:01,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:01,188 INFO L495 AbstractCegarLoop]: Abstraction has 34217 states and 50825 transitions. [2022-10-16 16:10:01,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 26.5) internal successors, (106), 5 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 16:10:01,189 INFO L276 IsEmpty]: Start isEmpty. Operand 34217 states and 50825 transitions. [2022-10-16 16:10:01,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 16:10:01,198 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:01,198 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:10:01,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-10-16 16:10:01,198 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:10:01,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:01,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1664705899, now seen corresponding path program 1 times [2022-10-16 16:10:01,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:01,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249864645] [2022-10-16 16:10:01,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:01,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:01,347 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 16:10:01,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:01,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249864645] [2022-10-16 16:10:01,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249864645] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:01,348 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:01,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:10:01,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956341828] [2022-10-16 16:10:01,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:01,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:10:01,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:01,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:10:01,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:10:01,353 INFO L87 Difference]: Start difference. First operand 34217 states and 50825 transitions. Second operand has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 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 16:10:07,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:07,358 INFO L93 Difference]: Finished difference Result 34530 states and 51283 transitions. [2022-10-16 16:10:07,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:10:07,358 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 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 106 [2022-10-16 16:10:07,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:07,410 INFO L225 Difference]: With dead ends: 34530 [2022-10-16 16:10:07,410 INFO L226 Difference]: Without dead ends: 34528 [2022-10-16 16:10:07,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:10:07,422 INFO L413 NwaCegarLoop]: 2957 mSDtfsCounter, 5968 mSDsluCounter, 5309 mSDsCounter, 0 mSdLazyCounter, 2049 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5968 SdHoareTripleChecker+Valid, 8266 SdHoareTripleChecker+Invalid, 2063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 2049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:07,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5968 Valid, 8266 Invalid, 2063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 2049 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 16:10:07,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34528 states. [2022-10-16 16:10:12,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34528 to 33907. [2022-10-16 16:10:12,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33907 states, 33899 states have (on average 1.4856190448095814) internal successors, (50361), 33906 states have internal predecessors, (50361), 0 states have call successors, (0), 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 16:10:12,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33907 states to 33907 states and 50361 transitions. [2022-10-16 16:10:12,216 INFO L78 Accepts]: Start accepts. Automaton has 33907 states and 50361 transitions. Word has length 106 [2022-10-16 16:10:12,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:12,216 INFO L495 AbstractCegarLoop]: Abstraction has 33907 states and 50361 transitions. [2022-10-16 16:10:12,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 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 16:10:12,217 INFO L276 IsEmpty]: Start isEmpty. Operand 33907 states and 50361 transitions. [2022-10-16 16:10:12,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-10-16 16:10:12,224 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:12,225 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:10:12,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-10-16 16:10:12,225 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:10:12,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:12,225 INFO L85 PathProgramCache]: Analyzing trace with hash -573253439, now seen corresponding path program 1 times [2022-10-16 16:10:12,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:12,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695066172] [2022-10-16 16:10:12,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:12,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:12,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:12,288 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 16:10:12,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:12,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695066172] [2022-10-16 16:10:12,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695066172] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:12,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:12,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:10:12,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972495467] [2022-10-16 16:10:12,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:12,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:10:12,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:12,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:10:12,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:10:12,291 INFO L87 Difference]: Start difference. First operand 33907 states and 50361 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 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 16:10:21,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:21,233 INFO L93 Difference]: Finished difference Result 92743 states and 138311 transitions. [2022-10-16 16:10:21,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:10:21,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 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 106 [2022-10-16 16:10:21,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:21,334 INFO L225 Difference]: With dead ends: 92743 [2022-10-16 16:10:21,334 INFO L226 Difference]: Without dead ends: 60952 [2022-10-16 16:10:21,363 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 16:10:21,364 INFO L413 NwaCegarLoop]: 4737 mSDtfsCounter, 2617 mSDsluCounter, 2099 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2617 SdHoareTripleChecker+Valid, 6836 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:21,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2617 Valid, 6836 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:10:21,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60952 states. [2022-10-16 16:10:29,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60952 to 57566. [2022-10-16 16:10:29,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57566 states, 57558 states have (on average 1.47023871573022) internal successors, (84624), 57565 states have internal predecessors, (84624), 0 states have call successors, (0), 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 16:10:29,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57566 states to 57566 states and 84624 transitions. [2022-10-16 16:10:29,787 INFO L78 Accepts]: Start accepts. Automaton has 57566 states and 84624 transitions. Word has length 106 [2022-10-16 16:10:29,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:29,787 INFO L495 AbstractCegarLoop]: Abstraction has 57566 states and 84624 transitions. [2022-10-16 16:10:29,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 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 16:10:29,788 INFO L276 IsEmpty]: Start isEmpty. Operand 57566 states and 84624 transitions. [2022-10-16 16:10:29,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 16:10:29,798 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:29,798 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:10:29,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-10-16 16:10:29,799 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 745 more)] === [2022-10-16 16:10:29,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:29,799 INFO L85 PathProgramCache]: Analyzing trace with hash 464953843, now seen corresponding path program 1 times [2022-10-16 16:10:29,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:29,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920887271] [2022-10-16 16:10:29,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:29,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:29,919 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 16:10:29,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:29,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920887271] [2022-10-16 16:10:29,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920887271] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:29,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:29,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:10:29,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642635125] [2022-10-16 16:10:29,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:29,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:10:29,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:29,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:10:29,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:10:29,922 INFO L87 Difference]: Start difference. First operand 57566 states and 84624 transitions. Second operand has 5 states, 4 states have (on average 26.75) internal successors, (107), 5 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)