/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_floodmax.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:08:37,667 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:08:37,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:08:37,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:08:37,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:08:37,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:08:37,740 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:08:37,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:08:37,751 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:08:37,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:08:37,759 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:08:37,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:08:37,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:08:37,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:08:37,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:08:37,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:08:37,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:08:37,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:08:37,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:08:37,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:08:37,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:08:37,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:08:37,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:08:37,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:08:37,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 22:08:37,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 22:08:37,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 22:08:37,821 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 22:08:37,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 22:08:37,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 22:08:37,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 22:08:37,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 22:08:37,827 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 22:08:37,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 22:08:37,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 22:08:37,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 22:08:37,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 22:08:37,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 22:08:37,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:08:37,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:08:37,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:08:37,834 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 [2022-10-15 22:08:37,889 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:08:37,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:08:37,890 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:08:37,890 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:08:37,892 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:08:37,892 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:08:37,895 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:08:37,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:08:37,896 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:08:37,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:08:37,897 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:08:37,898 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:08:37,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:08:37,898 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:08:37,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:08:37,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:08:37,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:08:37,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:08:37,899 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:08:37,899 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:08:37,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:08:37,900 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:08:37,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:08:37,900 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:08:37,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:08:37,901 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:08:37,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:08:37,901 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:08:37,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:08:37,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:08:37,902 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:08:37,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:08:37,903 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:08:37,903 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:08:38,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:08:38,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:08:38,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:08:38,358 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:08:38,359 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:08:38,361 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:08:38,439 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1c8ba346/b5ba1e9e324a4f2496c1329f795296db/FLAG4bfb19c5e [2022-10-15 22:08:39,376 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:08:39,377 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_floodmax.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:08:39,409 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1c8ba346/b5ba1e9e324a4f2496c1329f795296db/FLAG4bfb19c5e [2022-10-15 22:08:39,893 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1c8ba346/b5ba1e9e324a4f2496c1329f795296db [2022-10-15 22:08:39,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:08:39,901 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:08:39,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:08:39,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:08:39,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:08:39,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:08:39" (1/1) ... [2022-10-15 22:08:39,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc1bf34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:39, skipping insertion in model container [2022-10-15 22:08:39,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:08:39" (1/1) ... [2022-10-15 22:08:39,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:08:40,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:08:41,142 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_floodmax.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[50013,50026] [2022-10-15 22:08:41,251 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_floodmax.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[55775,55788] [2022-10-15 22:08:41,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:08:41,591 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:08:42,148 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_floodmax.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[50013,50026] [2022-10-15 22:08:42,247 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_floodmax.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[55775,55788] [2022-10-15 22:08:42,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:08:42,548 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:08:42,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:42 WrapperNode [2022-10-15 22:08:42,549 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:08:42,550 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:08:42,550 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:08:42,550 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:08:42,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:42" (1/1) ... [2022-10-15 22:08:42,600 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:42" (1/1) ... [2022-10-15 22:08:42,773 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 5412 [2022-10-15 22:08:42,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:08:42,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:08:42,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:08:42,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:08:42,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:42" (1/1) ... [2022-10-15 22:08:42,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:42" (1/1) ... [2022-10-15 22:08:42,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:42" (1/1) ... [2022-10-15 22:08:42,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:42" (1/1) ... [2022-10-15 22:08:42,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:42" (1/1) ... [2022-10-15 22:08:42,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:42" (1/1) ... [2022-10-15 22:08:42,955 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:42" (1/1) ... [2022-10-15 22:08:42,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:42" (1/1) ... [2022-10-15 22:08:43,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:08:43,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:08:43,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:08:43,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:08:43,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:42" (1/1) ... [2022-10-15 22:08:43,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:08:43,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:08:43,102 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) [2022-10-15 22:08:43,121 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 [2022-10-15 22:08:43,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:08:43,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:08:43,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:08:43,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:08:43,531 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:08:43,536 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:08:47,696 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:08:47,734 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:08:47,735 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:08:47,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:08:47 BoogieIcfgContainer [2022-10-15 22:08:47,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:08:47,746 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:08:47,746 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:08:47,750 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:08:47,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:08:39" (1/3) ... [2022-10-15 22:08:47,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21703663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:08:47, skipping insertion in model container [2022-10-15 22:08:47,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:08:42" (2/3) ... [2022-10-15 22:08:47,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21703663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:08:47, skipping insertion in model container [2022-10-15 22:08:47,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:08:47" (3/3) ... [2022-10-15 22:08:47,754 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.5.2.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-15 22:08:47,776 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:08:47,777 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 328 error locations. [2022-10-15 22:08:47,903 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:08:47,912 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;@39ce7e12, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:08:47,913 INFO L358 AbstractCegarLoop]: Starting to check reachability of 328 error locations. [2022-10-15 22:08:47,930 INFO L276 IsEmpty]: Start isEmpty. Operand has 2035 states, 1706 states have (on average 1.8522860492379836) internal successors, (3160), 2034 states have internal predecessors, (3160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:47,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-10-15 22:08:47,967 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:08:47,968 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:08:47,969 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 325 more)] === [2022-10-15 22:08:47,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:08:47,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1006777834, now seen corresponding path program 1 times [2022-10-15 22:08:47,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:08:47,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826357386] [2022-10-15 22:08:47,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:08:47,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:08:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:08:49,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:08:49,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:08:49,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826357386] [2022-10-15 22:08:49,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826357386] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:08:49,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:08:49,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:08:49,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37386664] [2022-10-15 22:08:49,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:08:49,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:08:49,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:08:49,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:08:49,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:49,264 INFO L87 Difference]: Start difference. First operand has 2035 states, 1706 states have (on average 1.8522860492379836) internal successors, (3160), 2034 states have internal predecessors, (3160), 0 states have call successors, (0), 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 3 states, 2 states have (on average 109.5) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:50,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:08:50,102 INFO L93 Difference]: Finished difference Result 2341 states and 3617 transitions. [2022-10-15 22:08:50,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:08:50,106 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 109.5) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 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 219 [2022-10-15 22:08:50,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:08:50,140 INFO L225 Difference]: With dead ends: 2341 [2022-10-15 22:08:50,141 INFO L226 Difference]: Without dead ends: 2267 [2022-10-15 22:08:50,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:50,152 INFO L413 NwaCegarLoop]: 2755 mSDtfsCounter, 2709 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2709 SdHoareTripleChecker+Valid, 3248 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:08:50,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2709 Valid, 3248 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:08:50,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2267 states. [2022-10-15 22:08:50,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2267 to 2223. [2022-10-15 22:08:50,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2223 states, 1955 states have (on average 1.6879795396419437) internal successors, (3300), 2222 states have internal predecessors, (3300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:50,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2223 states to 2223 states and 3300 transitions. [2022-10-15 22:08:50,354 INFO L78 Accepts]: Start accepts. Automaton has 2223 states and 3300 transitions. Word has length 219 [2022-10-15 22:08:50,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:08:50,360 INFO L495 AbstractCegarLoop]: Abstraction has 2223 states and 3300 transitions. [2022-10-15 22:08:50,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 109.5) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:50,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 3300 transitions. [2022-10-15 22:08:50,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-10-15 22:08:50,382 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:08:50,383 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:08:50,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:08:50,383 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 325 more)] === [2022-10-15 22:08:50,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:08:50,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1145340978, now seen corresponding path program 1 times [2022-10-15 22:08:50,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:08:50,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024947987] [2022-10-15 22:08:50,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:08:50,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:08:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:08:50,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:08:50,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:08:50,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024947987] [2022-10-15 22:08:50,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024947987] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:08:50,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:08:50,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:08:50,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309273722] [2022-10-15 22:08:50,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:08:50,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:08:50,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:08:50,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:08:50,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:50,997 INFO L87 Difference]: Start difference. First operand 2223 states and 3300 transitions. Second operand has 3 states, 2 states have (on average 110.0) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:51,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:08:51,606 INFO L93 Difference]: Finished difference Result 2270 states and 3300 transitions. [2022-10-15 22:08:51,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:08:51,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 110.0) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 220 [2022-10-15 22:08:51,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:08:51,626 INFO L225 Difference]: With dead ends: 2270 [2022-10-15 22:08:51,626 INFO L226 Difference]: Without dead ends: 2255 [2022-10-15 22:08:51,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:51,632 INFO L413 NwaCegarLoop]: 2547 mSDtfsCounter, 2479 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2479 SdHoareTripleChecker+Valid, 3021 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:08:51,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2479 Valid, 3021 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:08:51,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2255 states. [2022-10-15 22:08:51,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2255 to 2211. [2022-10-15 22:08:51,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2211 states, 1955 states have (on average 1.680306905370844) internal successors, (3285), 2210 states have internal predecessors, (3285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:51,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 2211 states and 3285 transitions. [2022-10-15 22:08:51,784 INFO L78 Accepts]: Start accepts. Automaton has 2211 states and 3285 transitions. Word has length 220 [2022-10-15 22:08:51,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:08:51,785 INFO L495 AbstractCegarLoop]: Abstraction has 2211 states and 3285 transitions. [2022-10-15 22:08:51,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 110.0) internal successors, (220), 3 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:51,786 INFO L276 IsEmpty]: Start isEmpty. Operand 2211 states and 3285 transitions. [2022-10-15 22:08:51,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-10-15 22:08:51,790 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:08:51,791 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:08:51,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:08:51,791 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 325 more)] === [2022-10-15 22:08:51,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:08:51,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1145831144, now seen corresponding path program 1 times [2022-10-15 22:08:51,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:08:51,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170617588] [2022-10-15 22:08:51,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:08:51,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:08:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:08:52,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:08:52,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:08:52,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170617588] [2022-10-15 22:08:52,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170617588] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:08:52,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:08:52,336 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:08:52,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184682699] [2022-10-15 22:08:52,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:08:52,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:08:52,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:08:52,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:08:52,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:52,340 INFO L87 Difference]: Start difference. First operand 2211 states and 3285 transitions. Second operand has 3 states, 2 states have (on average 110.5) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:53,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:08:53,050 INFO L93 Difference]: Finished difference Result 2505 states and 3721 transitions. [2022-10-15 22:08:53,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:08:53,051 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 110.5) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 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 221 [2022-10-15 22:08:53,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:08:53,070 INFO L225 Difference]: With dead ends: 2505 [2022-10-15 22:08:53,070 INFO L226 Difference]: Without dead ends: 2490 [2022-10-15 22:08:53,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:53,075 INFO L413 NwaCegarLoop]: 2513 mSDtfsCounter, 2462 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2462 SdHoareTripleChecker+Valid, 2975 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:08:53,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2462 Valid, 2975 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:08:53,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2490 states. [2022-10-15 22:08:53,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2490 to 2452. [2022-10-15 22:08:53,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2452 states, 2208 states have (on average 1.6784420289855073) internal successors, (3706), 2451 states have internal predecessors, (3706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:53,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2452 states to 2452 states and 3706 transitions. [2022-10-15 22:08:53,283 INFO L78 Accepts]: Start accepts. Automaton has 2452 states and 3706 transitions. Word has length 221 [2022-10-15 22:08:53,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:08:53,284 INFO L495 AbstractCegarLoop]: Abstraction has 2452 states and 3706 transitions. [2022-10-15 22:08:53,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 110.5) internal successors, (221), 3 states have internal predecessors, (221), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:53,285 INFO L276 IsEmpty]: Start isEmpty. Operand 2452 states and 3706 transitions. [2022-10-15 22:08:53,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-10-15 22:08:53,314 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:08:53,314 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:08:53,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:08:53,315 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 325 more)] === [2022-10-15 22:08:53,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:08:53,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1161026288, now seen corresponding path program 1 times [2022-10-15 22:08:53,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:08:53,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817942002] [2022-10-15 22:08:53,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:08:53,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:08:53,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:08:53,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:08:53,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:08:53,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817942002] [2022-10-15 22:08:53,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817942002] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:08:53,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:08:53,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:08:53,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486319796] [2022-10-15 22:08:53,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:08:53,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:08:53,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:08:53,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:08:53,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:53,956 INFO L87 Difference]: Start difference. First operand 2452 states and 3706 transitions. Second operand has 3 states, 2 states have (on average 111.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:54,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:08:54,649 INFO L93 Difference]: Finished difference Result 2493 states and 3706 transitions. [2022-10-15 22:08:54,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:08:54,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 111.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 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 222 [2022-10-15 22:08:54,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:08:54,666 INFO L225 Difference]: With dead ends: 2493 [2022-10-15 22:08:54,667 INFO L226 Difference]: Without dead ends: 2478 [2022-10-15 22:08:54,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:54,671 INFO L413 NwaCegarLoop]: 2516 mSDtfsCounter, 2446 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2446 SdHoareTripleChecker+Valid, 2978 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:08:54,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2446 Valid, 2978 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:08:54,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2478 states. [2022-10-15 22:08:54,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2478 to 2440. [2022-10-15 22:08:54,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2440 states, 2208 states have (on average 1.6716485507246377) internal successors, (3691), 2439 states have internal predecessors, (3691), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:54,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2440 states to 2440 states and 3691 transitions. [2022-10-15 22:08:54,900 INFO L78 Accepts]: Start accepts. Automaton has 2440 states and 3691 transitions. Word has length 222 [2022-10-15 22:08:54,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:08:54,901 INFO L495 AbstractCegarLoop]: Abstraction has 2440 states and 3691 transitions. [2022-10-15 22:08:54,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 111.0) internal successors, (222), 3 states have internal predecessors, (222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:54,902 INFO L276 IsEmpty]: Start isEmpty. Operand 2440 states and 3691 transitions. [2022-10-15 22:08:54,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-10-15 22:08:54,906 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:08:54,907 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:08:54,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:08:54,907 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 325 more)] === [2022-10-15 22:08:54,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:08:54,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1632075750, now seen corresponding path program 1 times [2022-10-15 22:08:54,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:08:54,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793150357] [2022-10-15 22:08:54,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:08:54,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:08:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:08:55,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:08:55,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:08:55,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793150357] [2022-10-15 22:08:55,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793150357] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:08:55,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:08:55,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:08:55,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792020985] [2022-10-15 22:08:55,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:08:55,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:08:55,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:08:55,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:08:55,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:55,487 INFO L87 Difference]: Start difference. First operand 2440 states and 3691 transitions. Second operand has 3 states, 2 states have (on average 111.5) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:56,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:08:56,297 INFO L93 Difference]: Finished difference Result 2728 states and 4121 transitions. [2022-10-15 22:08:56,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:08:56,297 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 111.5) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 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 223 [2022-10-15 22:08:56,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:08:56,318 INFO L225 Difference]: With dead ends: 2728 [2022-10-15 22:08:56,319 INFO L226 Difference]: Without dead ends: 2713 [2022-10-15 22:08:56,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:56,323 INFO L413 NwaCegarLoop]: 2482 mSDtfsCounter, 2429 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2429 SdHoareTripleChecker+Valid, 2932 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:08:56,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2429 Valid, 2932 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:08:56,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2713 states. [2022-10-15 22:08:56,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2713 to 2681. [2022-10-15 22:08:56,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2681 states, 2461 states have (on average 1.6684274685087364) internal successors, (4106), 2680 states have internal predecessors, (4106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:56,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2681 states to 2681 states and 4106 transitions. [2022-10-15 22:08:56,696 INFO L78 Accepts]: Start accepts. Automaton has 2681 states and 4106 transitions. Word has length 223 [2022-10-15 22:08:56,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:08:56,697 INFO L495 AbstractCegarLoop]: Abstraction has 2681 states and 4106 transitions. [2022-10-15 22:08:56,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 111.5) internal successors, (223), 3 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:56,698 INFO L276 IsEmpty]: Start isEmpty. Operand 2681 states and 4106 transitions. [2022-10-15 22:08:56,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-10-15 22:08:56,703 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:08:56,703 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:08:56,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:08:56,704 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 325 more)] === [2022-10-15 22:08:56,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:08:56,705 INFO L85 PathProgramCache]: Analyzing trace with hash 945260114, now seen corresponding path program 1 times [2022-10-15 22:08:56,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:08:56,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956014303] [2022-10-15 22:08:56,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:08:56,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:08:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:08:57,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:08:57,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:08:57,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956014303] [2022-10-15 22:08:57,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956014303] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:08:57,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:08:57,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:08:57,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946651898] [2022-10-15 22:08:57,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:08:57,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:08:57,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:08:57,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:08:57,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:57,236 INFO L87 Difference]: Start difference. First operand 2681 states and 4106 transitions. Second operand has 3 states, 2 states have (on average 112.0) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:58,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:08:58,055 INFO L93 Difference]: Finished difference Result 2716 states and 4106 transitions. [2022-10-15 22:08:58,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:08:58,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 112.0) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 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 224 [2022-10-15 22:08:58,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:08:58,074 INFO L225 Difference]: With dead ends: 2716 [2022-10-15 22:08:58,075 INFO L226 Difference]: Without dead ends: 2701 [2022-10-15 22:08:58,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:58,078 INFO L413 NwaCegarLoop]: 2485 mSDtfsCounter, 2413 mSDsluCounter, 450 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2413 SdHoareTripleChecker+Valid, 2935 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:08:58,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2413 Valid, 2935 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:08:58,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2701 states. [2022-10-15 22:08:58,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2701 to 2669. [2022-10-15 22:08:58,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2669 states, 2461 states have (on average 1.6623323852092646) internal successors, (4091), 2668 states have internal predecessors, (4091), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:58,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2669 states to 2669 states and 4091 transitions. [2022-10-15 22:08:58,461 INFO L78 Accepts]: Start accepts. Automaton has 2669 states and 4091 transitions. Word has length 224 [2022-10-15 22:08:58,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:08:58,463 INFO L495 AbstractCegarLoop]: Abstraction has 2669 states and 4091 transitions. [2022-10-15 22:08:58,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 112.0) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:08:58,463 INFO L276 IsEmpty]: Start isEmpty. Operand 2669 states and 4091 transitions. [2022-10-15 22:08:58,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-10-15 22:08:58,469 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:08:58,469 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:08:58,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:08:58,470 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 325 more)] === [2022-10-15 22:08:58,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:08:58,471 INFO L85 PathProgramCache]: Analyzing trace with hash -761706724, now seen corresponding path program 1 times [2022-10-15 22:08:58,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:08:58,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425079728] [2022-10-15 22:08:58,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:08:58,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:08:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:08:59,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:08:59,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:08:59,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425079728] [2022-10-15 22:08:59,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425079728] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:08:59,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:08:59,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:08:59,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515751210] [2022-10-15 22:08:59,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:08:59,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:08:59,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:08:59,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:08:59,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:08:59,041 INFO L87 Difference]: Start difference. First operand 2669 states and 4091 transitions. Second operand has 3 states, 2 states have (on average 112.5) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:00,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:00,026 INFO L93 Difference]: Finished difference Result 3468 states and 5407 transitions. [2022-10-15 22:09:00,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:09:00,027 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 112.5) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 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 225 [2022-10-15 22:09:00,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:00,054 INFO L225 Difference]: With dead ends: 3468 [2022-10-15 22:09:00,054 INFO L226 Difference]: Without dead ends: 3452 [2022-10-15 22:09:00,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:00,060 INFO L413 NwaCegarLoop]: 2397 mSDtfsCounter, 2454 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2454 SdHoareTripleChecker+Valid, 2790 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:00,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2454 Valid, 2790 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:09:00,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3452 states. [2022-10-15 22:09:00,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3452 to 3446. [2022-10-15 22:09:00,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3446 states, 3253 states have (on average 1.6544727943436828) internal successors, (5382), 3445 states have internal predecessors, (5382), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:00,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3446 states to 3446 states and 5382 transitions. [2022-10-15 22:09:00,515 INFO L78 Accepts]: Start accepts. Automaton has 3446 states and 5382 transitions. Word has length 225 [2022-10-15 22:09:00,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:00,516 INFO L495 AbstractCegarLoop]: Abstraction has 3446 states and 5382 transitions. [2022-10-15 22:09:00,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 112.5) internal successors, (225), 3 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:00,516 INFO L276 IsEmpty]: Start isEmpty. Operand 3446 states and 5382 transitions. [2022-10-15 22:09:00,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-10-15 22:09:00,522 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:00,522 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:00,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:09:00,523 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 325 more)] === [2022-10-15 22:09:00,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:00,524 INFO L85 PathProgramCache]: Analyzing trace with hash -2138071148, now seen corresponding path program 1 times [2022-10-15 22:09:00,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:00,524 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787087803] [2022-10-15 22:09:00,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:00,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:01,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:01,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:01,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787087803] [2022-10-15 22:09:01,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787087803] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:01,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:01,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:09:01,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509005635] [2022-10-15 22:09:01,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:01,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:09:01,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:01,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:09:01,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:01,138 INFO L87 Difference]: Start difference. First operand 3446 states and 5382 transitions. Second operand has 3 states, 2 states have (on average 113.0) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:02,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:02,129 INFO L93 Difference]: Finished difference Result 4808 states and 7604 transitions. [2022-10-15 22:09:02,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:09:02,130 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 113.0) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 226 [2022-10-15 22:09:02,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:02,164 INFO L225 Difference]: With dead ends: 4808 [2022-10-15 22:09:02,164 INFO L226 Difference]: Without dead ends: 4793 [2022-10-15 22:09:02,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:02,170 INFO L413 NwaCegarLoop]: 2451 mSDtfsCounter, 2398 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2398 SdHoareTripleChecker+Valid, 2889 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:02,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2398 Valid, 2889 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:09:02,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4793 states. [2022-10-15 22:09:02,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4793 to 4749. [2022-10-15 22:09:02,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4749 states, 4568 states have (on average 1.658493870402802) internal successors, (7576), 4748 states have internal predecessors, (7576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:02,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4749 states to 4749 states and 7576 transitions. [2022-10-15 22:09:02,799 INFO L78 Accepts]: Start accepts. Automaton has 4749 states and 7576 transitions. Word has length 226 [2022-10-15 22:09:02,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:02,800 INFO L495 AbstractCegarLoop]: Abstraction has 4749 states and 7576 transitions. [2022-10-15 22:09:02,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 113.0) internal successors, (226), 3 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:02,801 INFO L276 IsEmpty]: Start isEmpty. Operand 4749 states and 7576 transitions. [2022-10-15 22:09:02,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-10-15 22:09:02,806 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:02,807 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:02,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:09:02,807 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 325 more)] === [2022-10-15 22:09:02,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:02,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1691979530, now seen corresponding path program 1 times [2022-10-15 22:09:02,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:02,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462940497] [2022-10-15 22:09:02,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:02,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:03,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:03,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:03,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462940497] [2022-10-15 22:09:03,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462940497] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:03,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:03,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:09:03,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113925176] [2022-10-15 22:09:03,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:03,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:09:03,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:03,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:09:03,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:03,270 INFO L87 Difference]: Start difference. First operand 4749 states and 7576 transitions. Second operand has 3 states, 2 states have (on average 114.0) internal successors, (228), 3 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:04,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:04,468 INFO L93 Difference]: Finished difference Result 7424 states and 11996 transitions. [2022-10-15 22:09:04,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:09:04,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 114.0) internal successors, (228), 3 states have internal predecessors, (228), 0 states have call successors, (0), 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 228 [2022-10-15 22:09:04,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:04,518 INFO L225 Difference]: With dead ends: 7424 [2022-10-15 22:09:04,519 INFO L226 Difference]: Without dead ends: 7418 [2022-10-15 22:09:04,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:04,527 INFO L413 NwaCegarLoop]: 2439 mSDtfsCounter, 2333 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2333 SdHoareTripleChecker+Valid, 2919 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:04,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2333 Valid, 2919 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:09:04,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7418 states. [2022-10-15 22:09:05,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7418 to 7398. [2022-10-15 22:09:05,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7398 states, 7222 states have (on average 1.655912489615065) internal successors, (11959), 7397 states have internal predecessors, (11959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:05,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7398 states to 7398 states and 11959 transitions. [2022-10-15 22:09:05,530 INFO L78 Accepts]: Start accepts. Automaton has 7398 states and 11959 transitions. Word has length 228 [2022-10-15 22:09:05,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:05,531 INFO L495 AbstractCegarLoop]: Abstraction has 7398 states and 11959 transitions. [2022-10-15 22:09:05,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 114.0) internal successors, (228), 3 states have internal predecessors, (228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:05,532 INFO L276 IsEmpty]: Start isEmpty. Operand 7398 states and 11959 transitions. [2022-10-15 22:09:05,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-10-15 22:09:05,536 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:05,537 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:05,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:09:05,537 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 325 more)] === [2022-10-15 22:09:05,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:05,538 INFO L85 PathProgramCache]: Analyzing trace with hash -911757055, now seen corresponding path program 1 times [2022-10-15 22:09:05,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:05,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499165269] [2022-10-15 22:09:05,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:05,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:05,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:05,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:05,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499165269] [2022-10-15 22:09:05,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499165269] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:05,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:05,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:09:05,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37405019] [2022-10-15 22:09:05,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:05,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:09:05,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:05,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:09:05,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:05,943 INFO L87 Difference]: Start difference. First operand 7398 states and 11959 transitions. Second operand has 3 states, 2 states have (on average 114.5) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:07,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:07,951 INFO L93 Difference]: Finished difference Result 13029 states and 21279 transitions. [2022-10-15 22:09:07,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:09:07,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 114.5) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 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 229 [2022-10-15 22:09:07,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:08,001 INFO L225 Difference]: With dead ends: 13029 [2022-10-15 22:09:08,002 INFO L226 Difference]: Without dead ends: 13023 [2022-10-15 22:09:08,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:08,011 INFO L413 NwaCegarLoop]: 2918 mSDtfsCounter, 2241 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2241 SdHoareTripleChecker+Valid, 3474 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:08,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2241 Valid, 3474 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:09:08,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13023 states. [2022-10-15 22:09:09,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13023 to 12965. [2022-10-15 22:09:09,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12965 states, 12794 states have (on average 1.6596842269813976) internal successors, (21234), 12964 states have internal predecessors, (21234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:09,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12965 states to 12965 states and 21234 transitions. [2022-10-15 22:09:09,541 INFO L78 Accepts]: Start accepts. Automaton has 12965 states and 21234 transitions. Word has length 229 [2022-10-15 22:09:09,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:09,542 INFO L495 AbstractCegarLoop]: Abstraction has 12965 states and 21234 transitions. [2022-10-15 22:09:09,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 114.5) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:09,542 INFO L276 IsEmpty]: Start isEmpty. Operand 12965 states and 21234 transitions. [2022-10-15 22:09:09,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-10-15 22:09:09,547 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:09,547 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:09,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:09:09,548 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 325 more)] === [2022-10-15 22:09:09,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:09,549 INFO L85 PathProgramCache]: Analyzing trace with hash -25175037, now seen corresponding path program 1 times [2022-10-15 22:09:09,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:09,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295193864] [2022-10-15 22:09:09,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:09,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:09,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:09,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:09,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295193864] [2022-10-15 22:09:09,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295193864] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:09,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:09,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:09:09,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294464406] [2022-10-15 22:09:09,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:09,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:09:09,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:09,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:09:09,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:09,978 INFO L87 Difference]: Start difference. First operand 12965 states and 21234 transitions. Second operand has 3 states, 2 states have (on average 115.5) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:12,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:12,670 INFO L93 Difference]: Finished difference Result 23426 states and 38534 transitions. [2022-10-15 22:09:12,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:09:12,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 115.5) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 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 231 [2022-10-15 22:09:12,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:12,770 INFO L225 Difference]: With dead ends: 23426 [2022-10-15 22:09:12,770 INFO L226 Difference]: Without dead ends: 23418 [2022-10-15 22:09:12,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:12,784 INFO L413 NwaCegarLoop]: 2395 mSDtfsCounter, 2524 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2524 SdHoareTripleChecker+Valid, 2713 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:12,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2524 Valid, 2713 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:09:12,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23418 states. [2022-10-15 22:09:15,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23418 to 23359. [2022-10-15 22:09:15,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23359 states, 23195 states have (on average 1.6560896744988145) internal successors, (38413), 23358 states have internal predecessors, (38413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:15,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23359 states to 23359 states and 38413 transitions. [2022-10-15 22:09:15,158 INFO L78 Accepts]: Start accepts. Automaton has 23359 states and 38413 transitions. Word has length 231 [2022-10-15 22:09:15,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:15,159 INFO L495 AbstractCegarLoop]: Abstraction has 23359 states and 38413 transitions. [2022-10-15 22:09:15,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 115.5) internal successors, (231), 3 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:15,169 INFO L276 IsEmpty]: Start isEmpty. Operand 23359 states and 38413 transitions. [2022-10-15 22:09:15,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-10-15 22:09:15,177 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:15,177 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:15,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:09:15,184 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 325 more)] === [2022-10-15 22:09:15,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:15,185 INFO L85 PathProgramCache]: Analyzing trace with hash -780425317, now seen corresponding path program 1 times [2022-10-15 22:09:15,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:15,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546411794] [2022-10-15 22:09:15,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:15,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:15,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:15,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:15,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:15,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546411794] [2022-10-15 22:09:15,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546411794] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:15,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:15,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:09:15,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244458221] [2022-10-15 22:09:15,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:15,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:09:15,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:15,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:09:15,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:15,506 INFO L87 Difference]: Start difference. First operand 23359 states and 38413 transitions. Second operand has 3 states, 2 states have (on average 116.0) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:20,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:09:20,046 INFO L93 Difference]: Finished difference Result 44745 states and 73835 transitions. [2022-10-15 22:09:20,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:09:20,046 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 116.0) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 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 232 [2022-10-15 22:09:20,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:09:20,196 INFO L225 Difference]: With dead ends: 44745 [2022-10-15 22:09:20,196 INFO L226 Difference]: Without dead ends: 44737 [2022-10-15 22:09:20,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:20,214 INFO L413 NwaCegarLoop]: 2400 mSDtfsCounter, 2515 mSDsluCounter, 344 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2515 SdHoareTripleChecker+Valid, 2744 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:09:20,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2515 Valid, 2744 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:09:20,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44737 states. [2022-10-15 22:09:24,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44737 to 44642. [2022-10-15 22:09:25,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44642 states, 44485 states have (on average 1.6566932673935035) internal successors, (73698), 44641 states have internal predecessors, (73698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:25,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44642 states to 44642 states and 73698 transitions. [2022-10-15 22:09:25,136 INFO L78 Accepts]: Start accepts. Automaton has 44642 states and 73698 transitions. Word has length 232 [2022-10-15 22:09:25,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:09:25,137 INFO L495 AbstractCegarLoop]: Abstraction has 44642 states and 73698 transitions. [2022-10-15 22:09:25,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 116.0) internal successors, (232), 3 states have internal predecessors, (232), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:09:25,137 INFO L276 IsEmpty]: Start isEmpty. Operand 44642 states and 73698 transitions. [2022-10-15 22:09:25,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-10-15 22:09:25,140 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:09:25,140 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:09:25,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:09:25,141 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 325 more)] === [2022-10-15 22:09:25,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:09:25,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1630573821, now seen corresponding path program 1 times [2022-10-15 22:09:25,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:09:25,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880980097] [2022-10-15 22:09:25,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:09:25,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:09:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:09:25,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:09:25,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:09:25,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880980097] [2022-10-15 22:09:25,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880980097] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:09:25,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:09:25,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:09:25,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612446218] [2022-10-15 22:09:25,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:09:25,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:09:25,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:09:25,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:09:25,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:09:25,641 INFO L87 Difference]: Start difference. First operand 44642 states and 73698 transitions. Second operand has 3 states, 2 states have (on average 117.0) internal successors, (234), 3 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)