/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:09:52,979 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:09:52,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:09:53,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:09:53,037 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:09:53,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:09:53,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:09:53,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:09:53,061 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:09:53,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:09:53,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:09:53,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:09:53,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:09:53,082 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:09:53,085 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:09:53,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:09:53,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:09:53,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:09:53,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:09:53,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:09:53,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:09:53,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:09:53,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:09:53,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:09:53,153 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 22:09:53,153 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 22:09:53,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 22:09:53,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 22:09:53,158 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 22:09:53,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 22:09:53,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 22:09:53,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 22:09:53,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 22:09:53,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 22:09:53,166 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 22:09:53,166 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 22:09:53,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 22:09:53,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 22:09:53,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:09:53,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:09:53,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:09:53,171 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 22:09:53,234 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:09:53,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:09:53,236 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:09:53,236 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:09:53,238 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:09:53,238 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:09:53,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:09:53,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:09:53,242 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:09:53,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:09:53,244 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:09:53,244 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:09:53,244 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:09:53,244 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:09:53,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:09:53,245 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:09:53,245 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:09:53,245 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:09:53,245 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:09:53,246 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:09:53,246 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:09:53,246 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:09:53,246 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:09:53,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:09:53,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:09:53,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:09:53,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:09:53,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:09:53,248 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:09:53,248 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:09:53,248 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:09:53,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:09:53,249 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:09:53,249 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:09:53,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:09:53,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:09:53,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:09:53,724 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:09:53,725 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:09:53,727 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2022-10-15 22:09:53,802 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d9fd0034/93f88b9165b64d1c9b314e32ebe2e8fc/FLAGefbe34d55 [2022-10-15 22:09:54,737 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:09:54,738 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2022-10-15 22:09:54,769 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d9fd0034/93f88b9165b64d1c9b314e32ebe2e8fc/FLAGefbe34d55 [2022-10-15 22:09:54,797 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d9fd0034/93f88b9165b64d1c9b314e32ebe2e8fc [2022-10-15 22:09:54,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:09:54,807 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:09:54,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:09:54,810 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:09:54,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:09:54,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:09:54" (1/1) ... [2022-10-15 22:09:54,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f03d563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:54, skipping insertion in model container [2022-10-15 22:09:54,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:09:54" (1/1) ... [2022-10-15 22:09:54,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:09:55,024 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:09:55,337 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[8448,8461] [2022-10-15 22:09:55,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[12616,12629] [2022-10-15 22:09:55,433 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[20366,20379] [2022-10-15 22:09:55,501 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[27098,27111] [2022-10-15 22:09:55,584 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[47963,47976] [2022-10-15 22:09:55,729 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[73065,73078] [2022-10-15 22:09:56,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:09:56,048 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:09:56,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[8448,8461] [2022-10-15 22:09:56,128 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[12616,12629] [2022-10-15 22:09:56,184 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[20366,20379] [2022-10-15 22:09:56,212 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[27098,27111] [2022-10-15 22:09:56,262 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[47963,47976] [2022-10-15 22:09:56,322 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c[73065,73078] [2022-10-15 22:09:56,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:09:56,503 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:09:56,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:56 WrapperNode [2022-10-15 22:09:56,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:09:56,505 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:09:56,506 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:09:56,506 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:09:56,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:56" (1/1) ... [2022-10-15 22:09:56,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:56" (1/1) ... [2022-10-15 22:09:56,751 INFO L138 Inliner]: procedures = 22, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 6239 [2022-10-15 22:09:56,752 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:09:56,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:09:56,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:09:56,753 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:09:56,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:56" (1/1) ... [2022-10-15 22:09:56,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:56" (1/1) ... [2022-10-15 22:09:56,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:56" (1/1) ... [2022-10-15 22:09:56,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:56" (1/1) ... [2022-10-15 22:09:56,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:56" (1/1) ... [2022-10-15 22:09:56,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:56" (1/1) ... [2022-10-15 22:09:56,967 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:56" (1/1) ... [2022-10-15 22:09:56,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:56" (1/1) ... [2022-10-15 22:09:57,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:09:57,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:09:57,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:09:57,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:09:57,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:56" (1/1) ... [2022-10-15 22:09:57,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:09:57,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:09:57,052 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 22:09:57,075 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 22:09:57,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:09:57,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:09:57,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:09:57,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:09:57,599 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:09:57,602 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:10:01,572 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:10:01,599 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:10:01,600 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:10:01,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:10:01 BoogieIcfgContainer [2022-10-15 22:10:01,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:10:01,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:10:01,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:10:01,614 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:10:01,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:09:54" (1/3) ... [2022-10-15 22:10:01,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b79bfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:10:01, skipping insertion in model container [2022-10-15 22:10:01,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:09:56" (2/3) ... [2022-10-15 22:10:01,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b79bfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:10:01, skipping insertion in model container [2022-10-15 22:10:01,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:10:01" (3/3) ... [2022-10-15 22:10:01,618 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.3.2.ufo.BOUNDED-6.pals.c.v+sep-reducer.c [2022-10-15 22:10:01,642 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:10:01,643 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 542 error locations. [2022-10-15 22:10:01,765 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:10:01,775 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;@51a1e363, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:10:01,776 INFO L358 AbstractCegarLoop]: Starting to check reachability of 542 error locations. [2022-10-15 22:10:01,791 INFO L276 IsEmpty]: Start isEmpty. Operand has 2262 states, 1719 states have (on average 1.8528214077952299) internal successors, (3185), 2261 states have internal predecessors, (3185), 0 states have call successors, (0), 0 states 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 22:10:01,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-15 22:10:01,803 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:01,804 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-15 22:10:01,805 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:01,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:01,819 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-15 22:10:01,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:01,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166578056] [2022-10-15 22:10:01,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:01,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:02,161 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 22:10:02,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:02,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166578056] [2022-10-15 22:10:02,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166578056] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:02,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:02,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-15 22:10:02,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877416159] [2022-10-15 22:10:02,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:02,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 22:10:02,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:02,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 22:10:02,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 22:10:02,220 INFO L87 Difference]: Start difference. First operand has 2262 states, 1719 states have (on average 1.8528214077952299) internal successors, (3185), 2261 states have internal predecessors, (3185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:02,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:02,434 INFO L93 Difference]: Finished difference Result 2265 states and 3187 transitions. [2022-10-15 22:10:02,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 22:10:02,440 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-10-15 22:10:02,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:02,473 INFO L225 Difference]: With dead ends: 2265 [2022-10-15 22:10:02,473 INFO L226 Difference]: Without dead ends: 2245 [2022-10-15 22:10:02,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 22:10:02,484 INFO L413 NwaCegarLoop]: 3175 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3175 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:02,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3175 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:10:02,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2245 states. [2022-10-15 22:10:02,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2245 to 2245. [2022-10-15 22:10:02,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2245 states, 1707 states have (on average 1.5114235500878734) internal successors, (2580), 2244 states have internal predecessors, (2580), 0 states have call successors, (0), 0 states 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 22:10:02,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2245 states to 2245 states and 2580 transitions. [2022-10-15 22:10:02,650 INFO L78 Accepts]: Start accepts. Automaton has 2245 states and 2580 transitions. Word has length 4 [2022-10-15 22:10:02,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:02,650 INFO L495 AbstractCegarLoop]: Abstraction has 2245 states and 2580 transitions. [2022-10-15 22:10:02,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:02,651 INFO L276 IsEmpty]: Start isEmpty. Operand 2245 states and 2580 transitions. [2022-10-15 22:10:02,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-15 22:10:02,653 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:02,653 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:02,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:10:02,654 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr446ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:02,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:02,655 INFO L85 PathProgramCache]: Analyzing trace with hash -647331191, now seen corresponding path program 1 times [2022-10-15 22:10:02,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:02,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466959029] [2022-10-15 22:10:02,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:02,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:02,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:02,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:02,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466959029] [2022-10-15 22:10:02,987 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466959029] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:02,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:02,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:10:02,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106647929] [2022-10-15 22:10:02,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:02,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:10:02,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:02,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:10:02,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:10:02,995 INFO L87 Difference]: Start difference. First operand 2245 states and 2580 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states 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 22:10:04,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:04,012 INFO L93 Difference]: Finished difference Result 2417 states and 2820 transitions. [2022-10-15 22:10:04,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:04,013 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2022-10-15 22:10:04,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:04,027 INFO L225 Difference]: With dead ends: 2417 [2022-10-15 22:10:04,028 INFO L226 Difference]: Without dead ends: 2355 [2022-10-15 22:10:04,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:04,033 INFO L413 NwaCegarLoop]: 2027 mSDtfsCounter, 4316 mSDsluCounter, 842 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4316 SdHoareTripleChecker+Valid, 2869 SdHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:04,035 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4316 Valid, 2869 Invalid, 860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 22:10:04,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2355 states. [2022-10-15 22:10:04,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2355 to 2262. [2022-10-15 22:10:04,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2262 states, 1784 states have (on average 1.4798206278026906) internal successors, (2640), 2261 states have internal predecessors, (2640), 0 states have call successors, (0), 0 states 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 22:10:04,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 2262 states and 2640 transitions. [2022-10-15 22:10:04,156 INFO L78 Accepts]: Start accepts. Automaton has 2262 states and 2640 transitions. Word has length 34 [2022-10-15 22:10:04,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:04,157 INFO L495 AbstractCegarLoop]: Abstraction has 2262 states and 2640 transitions. [2022-10-15 22:10:04,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states 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 22:10:04,159 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 2640 transitions. [2022-10-15 22:10:04,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-15 22:10:04,169 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:04,175 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] [2022-10-15 22:10:04,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:10:04,176 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr447ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:04,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:04,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1407574752, now seen corresponding path program 1 times [2022-10-15 22:10:04,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:04,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614717262] [2022-10-15 22:10:04,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:04,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:04,406 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 22:10:04,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:04,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614717262] [2022-10-15 22:10:04,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614717262] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:04,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:04,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:10:04,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427383325] [2022-10-15 22:10:04,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:04,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:10:04,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:04,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:10:04,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:10:04,415 INFO L87 Difference]: Start difference. First operand 2262 states and 2640 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states 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 22:10:05,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:05,210 INFO L93 Difference]: Finished difference Result 2345 states and 2758 transitions. [2022-10-15 22:10:05,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:10:05,211 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 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 35 [2022-10-15 22:10:05,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:05,224 INFO L225 Difference]: With dead ends: 2345 [2022-10-15 22:10:05,224 INFO L226 Difference]: Without dead ends: 2277 [2022-10-15 22:10:05,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:05,233 INFO L413 NwaCegarLoop]: 1922 mSDtfsCounter, 4650 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4650 SdHoareTripleChecker+Valid, 2263 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:05,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4650 Valid, 2263 Invalid, 730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:10:05,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2277 states. [2022-10-15 22:10:05,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2277 to 2269. [2022-10-15 22:10:05,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2269 states, 1857 states have (on average 1.4474959612277867) internal successors, (2688), 2268 states have internal predecessors, (2688), 0 states have call successors, (0), 0 states 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 22:10:05,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2269 states to 2269 states and 2688 transitions. [2022-10-15 22:10:05,342 INFO L78 Accepts]: Start accepts. Automaton has 2269 states and 2688 transitions. Word has length 35 [2022-10-15 22:10:05,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:05,342 INFO L495 AbstractCegarLoop]: Abstraction has 2269 states and 2688 transitions. [2022-10-15 22:10:05,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states 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 22:10:05,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2269 states and 2688 transitions. [2022-10-15 22:10:05,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-15 22:10:05,345 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:05,345 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] [2022-10-15 22:10:05,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:10:05,346 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr448ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:05,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:05,347 INFO L85 PathProgramCache]: Analyzing trace with hash 685149547, now seen corresponding path program 1 times [2022-10-15 22:10:05,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:05,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651956423] [2022-10-15 22:10:05,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:05,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:05,503 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 22:10:05,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:05,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651956423] [2022-10-15 22:10:05,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651956423] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:05,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:05,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:05,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837521698] [2022-10-15 22:10:05,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:05,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:05,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:05,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:05,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:05,512 INFO L87 Difference]: Start difference. First operand 2269 states and 2688 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states 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 22:10:06,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:06,352 INFO L93 Difference]: Finished difference Result 2660 states and 3258 transitions. [2022-10-15 22:10:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 22:10:06,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-10-15 22:10:06,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:06,367 INFO L225 Difference]: With dead ends: 2660 [2022-10-15 22:10:06,368 INFO L226 Difference]: Without dead ends: 2379 [2022-10-15 22:10:06,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:10:06,372 INFO L413 NwaCegarLoop]: 2056 mSDtfsCounter, 6050 mSDsluCounter, 1375 mSDsCounter, 0 mSdLazyCounter, 827 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6050 SdHoareTripleChecker+Valid, 3431 SdHoareTripleChecker+Invalid, 919 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 827 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:06,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6050 Valid, 3431 Invalid, 919 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 827 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:10:06,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2379 states. [2022-10-15 22:10:06,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2379 to 2286. [2022-10-15 22:10:06,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2286 states, 1930 states have (on average 1.4207253886010363) internal successors, (2742), 2285 states have internal predecessors, (2742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:06,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2286 states to 2286 states and 2742 transitions. [2022-10-15 22:10:06,483 INFO L78 Accepts]: Start accepts. Automaton has 2286 states and 2742 transitions. Word has length 36 [2022-10-15 22:10:06,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:06,483 INFO L495 AbstractCegarLoop]: Abstraction has 2286 states and 2742 transitions. [2022-10-15 22:10:06,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states 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 22:10:06,484 INFO L276 IsEmpty]: Start isEmpty. Operand 2286 states and 2742 transitions. [2022-10-15 22:10:06,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-15 22:10:06,526 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:06,526 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:06,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:10:06,527 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr449ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:06,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:06,528 INFO L85 PathProgramCache]: Analyzing trace with hash -235195326, now seen corresponding path program 1 times [2022-10-15 22:10:06,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:06,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594110556] [2022-10-15 22:10:06,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:06,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:06,654 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 22:10:06,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:06,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594110556] [2022-10-15 22:10:06,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594110556] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:06,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:06,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:06,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852902703] [2022-10-15 22:10:06,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:06,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:06,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:06,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:06,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:06,659 INFO L87 Difference]: Start difference. First operand 2286 states and 2742 transitions. Second operand has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:07,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:07,462 INFO L93 Difference]: Finished difference Result 2450 states and 2972 transitions. [2022-10-15 22:10:07,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:10:07,463 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2022-10-15 22:10:07,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:07,477 INFO L225 Difference]: With dead ends: 2450 [2022-10-15 22:10:07,478 INFO L226 Difference]: Without dead ends: 2385 [2022-10-15 22:10:07,481 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:10:07,482 INFO L413 NwaCegarLoop]: 1922 mSDtfsCounter, 6623 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6623 SdHoareTripleChecker+Valid, 2780 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:07,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6623 Valid, 2780 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:10:07,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2385 states. [2022-10-15 22:10:07,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2385 to 2365. [2022-10-15 22:10:07,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2365 states, 2071 states have (on average 1.4007725736359247) internal successors, (2901), 2364 states have internal predecessors, (2901), 0 states have call successors, (0), 0 states 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 22:10:07,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2365 states to 2365 states and 2901 transitions. [2022-10-15 22:10:07,623 INFO L78 Accepts]: Start accepts. Automaton has 2365 states and 2901 transitions. Word has length 37 [2022-10-15 22:10:07,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:07,631 INFO L495 AbstractCegarLoop]: Abstraction has 2365 states and 2901 transitions. [2022-10-15 22:10:07,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.25) internal successors, (37), 5 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:07,633 INFO L276 IsEmpty]: Start isEmpty. Operand 2365 states and 2901 transitions. [2022-10-15 22:10:07,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-15 22:10:07,638 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:07,638 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] [2022-10-15 22:10:07,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:10:07,639 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr450ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:07,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:07,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1718477703, now seen corresponding path program 1 times [2022-10-15 22:10:07,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:07,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477040596] [2022-10-15 22:10:07,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:07,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:07,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:07,801 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 22:10:07,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:07,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477040596] [2022-10-15 22:10:07,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477040596] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:07,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:07,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:10:07,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883999468] [2022-10-15 22:10:07,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:07,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:10:07,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:07,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:10:07,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:10:07,804 INFO L87 Difference]: Start difference. First operand 2365 states and 2901 transitions. Second operand has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:08,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:08,279 INFO L93 Difference]: Finished difference Result 2365 states and 2901 transitions. [2022-10-15 22:10:08,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:10:08,280 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 41 [2022-10-15 22:10:08,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:08,293 INFO L225 Difference]: With dead ends: 2365 [2022-10-15 22:10:08,293 INFO L226 Difference]: Without dead ends: 2269 [2022-10-15 22:10:08,295 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 22:10:08,299 INFO L413 NwaCegarLoop]: 2094 mSDtfsCounter, 555 mSDsluCounter, 1455 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 3549 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:08,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 3549 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:10:08,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2269 states. [2022-10-15 22:10:08,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2269 to 2269. [2022-10-15 22:10:08,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2269 states, 2071 states have (on average 1.3544181554804442) internal successors, (2805), 2268 states have internal predecessors, (2805), 0 states have call successors, (0), 0 states 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 22:10:08,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2269 states to 2269 states and 2805 transitions. [2022-10-15 22:10:08,482 INFO L78 Accepts]: Start accepts. Automaton has 2269 states and 2805 transitions. Word has length 41 [2022-10-15 22:10:08,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:08,482 INFO L495 AbstractCegarLoop]: Abstraction has 2269 states and 2805 transitions. [2022-10-15 22:10:08,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:08,483 INFO L276 IsEmpty]: Start isEmpty. Operand 2269 states and 2805 transitions. [2022-10-15 22:10:08,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-15 22:10:08,485 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:08,485 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:08,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:10:08,486 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr452ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:08,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:08,486 INFO L85 PathProgramCache]: Analyzing trace with hash -138212596, now seen corresponding path program 1 times [2022-10-15 22:10:08,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:08,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995787354] [2022-10-15 22:10:08,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:08,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:08,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:08,640 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 22:10:08,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:08,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995787354] [2022-10-15 22:10:08,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995787354] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:08,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:08,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:10:08,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234484921] [2022-10-15 22:10:08,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:08,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:10:08,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:08,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:10:08,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:10:08,646 INFO L87 Difference]: Start difference. First operand 2269 states and 2805 transitions. Second operand has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:09,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:09,088 INFO L93 Difference]: Finished difference Result 2269 states and 2805 transitions. [2022-10-15 22:10:09,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:10:09,089 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2022-10-15 22:10:09,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:09,104 INFO L225 Difference]: With dead ends: 2269 [2022-10-15 22:10:09,104 INFO L226 Difference]: Without dead ends: 2215 [2022-10-15 22:10:09,108 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 22:10:09,110 INFO L413 NwaCegarLoop]: 1954 mSDtfsCounter, 2087 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2087 SdHoareTripleChecker+Valid, 1954 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:09,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2087 Valid, 1954 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:10:09,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2215 states. [2022-10-15 22:10:09,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2215 to 2215. [2022-10-15 22:10:09,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2215 states, 2071 states have (on average 1.3259295026557218) internal successors, (2746), 2214 states have internal predecessors, (2746), 0 states have call successors, (0), 0 states 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 22:10:09,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2215 states to 2215 states and 2746 transitions. [2022-10-15 22:10:09,253 INFO L78 Accepts]: Start accepts. Automaton has 2215 states and 2746 transitions. Word has length 45 [2022-10-15 22:10:09,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:09,254 INFO L495 AbstractCegarLoop]: Abstraction has 2215 states and 2746 transitions. [2022-10-15 22:10:09,254 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:09,254 INFO L276 IsEmpty]: Start isEmpty. Operand 2215 states and 2746 transitions. [2022-10-15 22:10:09,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-15 22:10:09,258 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:09,259 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:09,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:10:09,259 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr453ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:09,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:09,260 INFO L85 PathProgramCache]: Analyzing trace with hash 10382042, now seen corresponding path program 1 times [2022-10-15 22:10:09,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:09,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380230490] [2022-10-15 22:10:09,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:09,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:09,395 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 22:10:09,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:09,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380230490] [2022-10-15 22:10:09,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380230490] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:09,396 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:09,396 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:10:09,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121010729] [2022-10-15 22:10:09,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:09,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:10:09,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:09,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:10:09,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:10:09,399 INFO L87 Difference]: Start difference. First operand 2215 states and 2746 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:09,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:09,745 INFO L93 Difference]: Finished difference Result 2215 states and 2746 transitions. [2022-10-15 22:10:09,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:10:09,745 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 46 [2022-10-15 22:10:09,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:09,756 INFO L225 Difference]: With dead ends: 2215 [2022-10-15 22:10:09,757 INFO L226 Difference]: Without dead ends: 2161 [2022-10-15 22:10:09,758 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 22:10:09,759 INFO L413 NwaCegarLoop]: 1954 mSDtfsCounter, 2032 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2032 SdHoareTripleChecker+Valid, 1954 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:09,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2032 Valid, 1954 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:10:09,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2161 states. [2022-10-15 22:10:09,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2161 to 2161. [2022-10-15 22:10:09,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2161 states, 2071 states have (on average 1.2974408498309995) internal successors, (2687), 2160 states have internal predecessors, (2687), 0 states have call successors, (0), 0 states 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 22:10:09,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 2161 states and 2687 transitions. [2022-10-15 22:10:09,879 INFO L78 Accepts]: Start accepts. Automaton has 2161 states and 2687 transitions. Word has length 46 [2022-10-15 22:10:09,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:09,880 INFO L495 AbstractCegarLoop]: Abstraction has 2161 states and 2687 transitions. [2022-10-15 22:10:09,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:09,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2161 states and 2687 transitions. [2022-10-15 22:10:09,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-15 22:10:09,884 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:09,884 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:09,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:10:09,885 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr388ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:09,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:09,885 INFO L85 PathProgramCache]: Analyzing trace with hash -2106856289, now seen corresponding path program 1 times [2022-10-15 22:10:09,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:09,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969705295] [2022-10-15 22:10:09,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:09,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:10,124 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 22:10:10,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:10,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969705295] [2022-10-15 22:10:10,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969705295] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:10,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:10,125 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:10,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936836407] [2022-10-15 22:10:10,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:10,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:10,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:10,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:10,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:10,132 INFO L87 Difference]: Start difference. First operand 2161 states and 2687 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:10,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:10,944 INFO L93 Difference]: Finished difference Result 2680 states and 3465 transitions. [2022-10-15 22:10:10,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:10:10,945 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-15 22:10:10,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:10,959 INFO L225 Difference]: With dead ends: 2680 [2022-10-15 22:10:10,959 INFO L226 Difference]: Without dead ends: 2311 [2022-10-15 22:10:10,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:10:10,962 INFO L413 NwaCegarLoop]: 1885 mSDtfsCounter, 3770 mSDsluCounter, 2105 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3770 SdHoareTripleChecker+Valid, 3990 SdHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:10,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3770 Valid, 3990 Invalid, 921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:10:10,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2311 states. [2022-10-15 22:10:11,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2311 to 2157. [2022-10-15 22:10:11,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2157 states, 2071 states have (on average 1.2940608401738292) internal successors, (2680), 2156 states have internal predecessors, (2680), 0 states have call successors, (0), 0 states 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 22:10:11,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 2680 transitions. [2022-10-15 22:10:11,088 INFO L78 Accepts]: Start accepts. Automaton has 2157 states and 2680 transitions. Word has length 59 [2022-10-15 22:10:11,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:11,089 INFO L495 AbstractCegarLoop]: Abstraction has 2157 states and 2680 transitions. [2022-10-15 22:10:11,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:11,089 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 2680 transitions. [2022-10-15 22:10:11,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-15 22:10:11,093 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:11,093 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:11,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:10:11,093 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr218ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:11,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:11,094 INFO L85 PathProgramCache]: Analyzing trace with hash 283671318, now seen corresponding path program 1 times [2022-10-15 22:10:11,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:11,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216590641] [2022-10-15 22:10:11,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:11,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:11,255 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 22:10:11,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:11,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216590641] [2022-10-15 22:10:11,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216590641] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:11,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:11,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:10:11,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540969353] [2022-10-15 22:10:11,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:11,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:10:11,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:11,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:10:11,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:10:11,258 INFO L87 Difference]: Start difference. First operand 2157 states and 2680 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:11,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:11,988 INFO L93 Difference]: Finished difference Result 2311 states and 2906 transitions. [2022-10-15 22:10:11,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:10:11,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-15 22:10:11,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:12,001 INFO L225 Difference]: With dead ends: 2311 [2022-10-15 22:10:12,001 INFO L226 Difference]: Without dead ends: 2303 [2022-10-15 22:10:12,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:10:12,004 INFO L413 NwaCegarLoop]: 1892 mSDtfsCounter, 2015 mSDsluCounter, 1688 mSDsCounter, 0 mSdLazyCounter, 820 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2015 SdHoareTripleChecker+Valid, 3580 SdHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 820 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:12,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2015 Valid, 3580 Invalid, 848 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 820 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:10:12,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2303 states. [2022-10-15 22:10:12,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2303 to 2293. [2022-10-15 22:10:12,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2293 states, 2213 states have (on average 1.3086308178942612) internal successors, (2896), 2292 states have internal predecessors, (2896), 0 states have call successors, (0), 0 states 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 22:10:12,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2293 states to 2293 states and 2896 transitions. [2022-10-15 22:10:12,191 INFO L78 Accepts]: Start accepts. Automaton has 2293 states and 2896 transitions. Word has length 59 [2022-10-15 22:10:12,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:12,192 INFO L495 AbstractCegarLoop]: Abstraction has 2293 states and 2896 transitions. [2022-10-15 22:10:12,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:12,192 INFO L276 IsEmpty]: Start isEmpty. Operand 2293 states and 2896 transitions. [2022-10-15 22:10:12,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-15 22:10:12,196 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:12,196 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:12,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:10:12,196 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr96ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:12,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:12,197 INFO L85 PathProgramCache]: Analyzing trace with hash -41542786, now seen corresponding path program 1 times [2022-10-15 22:10:12,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:12,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307381543] [2022-10-15 22:10:12,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:12,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:12,329 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 22:10:12,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:12,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307381543] [2022-10-15 22:10:12,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307381543] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:12,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:12,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:10:12,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021724126] [2022-10-15 22:10:12,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:12,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:10:12,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:12,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:10:12,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:10:12,332 INFO L87 Difference]: Start difference. First operand 2293 states and 2896 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:13,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:13,045 INFO L93 Difference]: Finished difference Result 2445 states and 3118 transitions. [2022-10-15 22:10:13,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:10:13,046 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-15 22:10:13,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:13,058 INFO L225 Difference]: With dead ends: 2445 [2022-10-15 22:10:13,059 INFO L226 Difference]: Without dead ends: 2440 [2022-10-15 22:10:13,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:10:13,061 INFO L413 NwaCegarLoop]: 1911 mSDtfsCounter, 1829 mSDsluCounter, 1997 mSDsCounter, 0 mSdLazyCounter, 868 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1829 SdHoareTripleChecker+Valid, 3908 SdHoareTripleChecker+Invalid, 878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:13,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1829 Valid, 3908 Invalid, 878 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 868 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:10:13,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2440 states. [2022-10-15 22:10:13,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2440 to 2432. [2022-10-15 22:10:13,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2432 states, 2355 states have (on average 1.3210191082802547) internal successors, (3111), 2431 states have internal predecessors, (3111), 0 states have call successors, (0), 0 states 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 22:10:13,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2432 states to 2432 states and 3111 transitions. [2022-10-15 22:10:13,211 INFO L78 Accepts]: Start accepts. Automaton has 2432 states and 3111 transitions. Word has length 59 [2022-10-15 22:10:13,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:13,211 INFO L495 AbstractCegarLoop]: Abstraction has 2432 states and 3111 transitions. [2022-10-15 22:10:13,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:13,213 INFO L276 IsEmpty]: Start isEmpty. Operand 2432 states and 3111 transitions. [2022-10-15 22:10:13,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 22:10:13,217 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:13,218 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:13,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:10:13,218 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr219ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:13,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:13,219 INFO L85 PathProgramCache]: Analyzing trace with hash 203878872, now seen corresponding path program 1 times [2022-10-15 22:10:13,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:13,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781768922] [2022-10-15 22:10:13,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:13,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:13,377 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 22:10:13,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:13,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781768922] [2022-10-15 22:10:13,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781768922] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:13,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:13,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:10:13,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990459592] [2022-10-15 22:10:13,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:13,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:10:13,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:13,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:10:13,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:10:13,381 INFO L87 Difference]: Start difference. First operand 2432 states and 3111 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:14,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:14,041 INFO L93 Difference]: Finished difference Result 2438 states and 3111 transitions. [2022-10-15 22:10:14,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:10:14,041 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-10-15 22:10:14,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:14,053 INFO L225 Difference]: With dead ends: 2438 [2022-10-15 22:10:14,054 INFO L226 Difference]: Without dead ends: 2430 [2022-10-15 22:10:14,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:10:14,056 INFO L413 NwaCegarLoop]: 1788 mSDtfsCounter, 2487 mSDsluCounter, 1441 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2487 SdHoareTripleChecker+Valid, 3229 SdHoareTripleChecker+Invalid, 795 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:14,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2487 Valid, 3229 Invalid, 795 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 750 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:10:14,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2430 states. [2022-10-15 22:10:14,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2430 to 2424. [2022-10-15 22:10:14,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2424 states, 2355 states have (on average 1.3150743099787685) internal successors, (3097), 2423 states have internal predecessors, (3097), 0 states have call successors, (0), 0 states 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 22:10:14,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2424 states to 2424 states and 3097 transitions. [2022-10-15 22:10:14,236 INFO L78 Accepts]: Start accepts. Automaton has 2424 states and 3097 transitions. Word has length 60 [2022-10-15 22:10:14,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:14,236 INFO L495 AbstractCegarLoop]: Abstraction has 2424 states and 3097 transitions. [2022-10-15 22:10:14,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:14,237 INFO L276 IsEmpty]: Start isEmpty. Operand 2424 states and 3097 transitions. [2022-10-15 22:10:14,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 22:10:14,240 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:14,240 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:14,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:10:14,241 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr458ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:14,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:14,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1519148482, now seen corresponding path program 1 times [2022-10-15 22:10:14,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:14,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201142593] [2022-10-15 22:10:14,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:14,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:14,335 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 22:10:14,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:14,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201142593] [2022-10-15 22:10:14,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201142593] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:14,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:14,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 22:10:14,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693987800] [2022-10-15 22:10:14,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:14,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:10:14,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:14,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:10:14,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:10:14,338 INFO L87 Difference]: Start difference. First operand 2424 states and 3097 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:14,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:14,746 INFO L93 Difference]: Finished difference Result 2424 states and 3097 transitions. [2022-10-15 22:10:14,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:10:14,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-15 22:10:14,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:14,767 INFO L225 Difference]: With dead ends: 2424 [2022-10-15 22:10:14,767 INFO L226 Difference]: Without dead ends: 2405 [2022-10-15 22:10:14,769 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 22:10:14,770 INFO L413 NwaCegarLoop]: 1869 mSDtfsCounter, 1916 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1916 SdHoareTripleChecker+Valid, 1890 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:14,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1916 Valid, 1890 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:10:14,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2405 states. [2022-10-15 22:10:14,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2405 to 2405. [2022-10-15 22:10:14,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2405 states, 2355 states have (on average 1.3031847133757961) internal successors, (3069), 2404 states have internal predecessors, (3069), 0 states have call successors, (0), 0 states 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 22:10:14,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2405 states to 2405 states and 3069 transitions. [2022-10-15 22:10:14,933 INFO L78 Accepts]: Start accepts. Automaton has 2405 states and 3069 transitions. Word has length 61 [2022-10-15 22:10:14,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:14,934 INFO L495 AbstractCegarLoop]: Abstraction has 2405 states and 3069 transitions. [2022-10-15 22:10:14,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:14,934 INFO L276 IsEmpty]: Start isEmpty. Operand 2405 states and 3069 transitions. [2022-10-15 22:10:14,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 22:10:14,938 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:14,938 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:14,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:10:14,939 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr220ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:14,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:14,939 INFO L85 PathProgramCache]: Analyzing trace with hash 2025280344, now seen corresponding path program 1 times [2022-10-15 22:10:14,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:14,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917909501] [2022-10-15 22:10:14,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:14,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:15,105 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 22:10:15,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:15,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917909501] [2022-10-15 22:10:15,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917909501] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:15,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:15,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:15,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624696250] [2022-10-15 22:10:15,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:15,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:15,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:15,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:15,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:15,107 INFO L87 Difference]: Start difference. First operand 2405 states and 3069 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:15,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:15,948 INFO L93 Difference]: Finished difference Result 2989 states and 3941 transitions. [2022-10-15 22:10:15,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:15,949 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-15 22:10:15,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:15,956 INFO L225 Difference]: With dead ends: 2989 [2022-10-15 22:10:15,957 INFO L226 Difference]: Without dead ends: 2552 [2022-10-15 22:10:15,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:10:15,960 INFO L413 NwaCegarLoop]: 1894 mSDtfsCounter, 4127 mSDsluCounter, 1760 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4127 SdHoareTripleChecker+Valid, 3654 SdHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:15,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4127 Valid, 3654 Invalid, 860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 834 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:10:15,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2552 states. [2022-10-15 22:10:16,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2552 to 2543. [2022-10-15 22:10:16,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2543 states, 2497 states have (on average 1.3115738886663997) internal successors, (3275), 2542 states have internal predecessors, (3275), 0 states have call successors, (0), 0 states 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 22:10:16,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2543 states to 2543 states and 3275 transitions. [2022-10-15 22:10:16,155 INFO L78 Accepts]: Start accepts. Automaton has 2543 states and 3275 transitions. Word has length 61 [2022-10-15 22:10:16,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:16,156 INFO L495 AbstractCegarLoop]: Abstraction has 2543 states and 3275 transitions. [2022-10-15 22:10:16,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:16,156 INFO L276 IsEmpty]: Start isEmpty. Operand 2543 states and 3275 transitions. [2022-10-15 22:10:16,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 22:10:16,160 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:16,161 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:10:16,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-15 22:10:16,161 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr98ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:16,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:16,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1267872192, now seen corresponding path program 1 times [2022-10-15 22:10:16,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:16,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065499611] [2022-10-15 22:10:16,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:16,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:16,318 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 22:10:16,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:16,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065499611] [2022-10-15 22:10:16,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065499611] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:16,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:16,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:16,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12771343] [2022-10-15 22:10:16,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:16,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:16,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:16,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:16,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:16,320 INFO L87 Difference]: Start difference. First operand 2543 states and 3275 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:17,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:17,122 INFO L93 Difference]: Finished difference Result 3127 states and 4147 transitions. [2022-10-15 22:10:17,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:17,123 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-15 22:10:17,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:17,129 INFO L225 Difference]: With dead ends: 3127 [2022-10-15 22:10:17,130 INFO L226 Difference]: Without dead ends: 2692 [2022-10-15 22:10:17,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:10:17,135 INFO L413 NwaCegarLoop]: 1908 mSDtfsCounter, 3609 mSDsluCounter, 2062 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3609 SdHoareTripleChecker+Valid, 3970 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:17,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3609 Valid, 3970 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:10:17,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2692 states. [2022-10-15 22:10:17,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2692 to 2683. [2022-10-15 22:10:17,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2683 states, 2639 states have (on average 1.3198181129215611) internal successors, (3483), 2682 states have internal predecessors, (3483), 0 states have call successors, (0), 0 states 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 22:10:17,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2683 states to 2683 states and 3483 transitions. [2022-10-15 22:10:17,297 INFO L78 Accepts]: Start accepts. Automaton has 2683 states and 3483 transitions. Word has length 61 [2022-10-15 22:10:17,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:17,298 INFO L495 AbstractCegarLoop]: Abstraction has 2683 states and 3483 transitions. [2022-10-15 22:10:17,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:17,298 INFO L276 IsEmpty]: Start isEmpty. Operand 2683 states and 3483 transitions. [2022-10-15 22:10:17,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-15 22:10:17,301 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:17,301 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:17,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-15 22:10:17,302 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr459ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:17,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:17,302 INFO L85 PathProgramCache]: Analyzing trace with hash -151032044, now seen corresponding path program 1 times [2022-10-15 22:10:17,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:17,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204213261] [2022-10-15 22:10:17,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:17,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:17,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:17,419 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 22:10:17,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:17,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204213261] [2022-10-15 22:10:17,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204213261] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:17,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:17,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:10:17,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598365240] [2022-10-15 22:10:17,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:17,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:10:17,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:17,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:10:17,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:10:17,421 INFO L87 Difference]: Start difference. First operand 2683 states and 3483 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:17,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:17,971 INFO L93 Difference]: Finished difference Result 2683 states and 3483 transitions. [2022-10-15 22:10:17,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:10:17,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-10-15 22:10:17,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:17,976 INFO L225 Difference]: With dead ends: 2683 [2022-10-15 22:10:17,977 INFO L226 Difference]: Without dead ends: 2664 [2022-10-15 22:10:17,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:10:17,978 INFO L413 NwaCegarLoop]: 1796 mSDtfsCounter, 1939 mSDsluCounter, 1815 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1939 SdHoareTripleChecker+Valid, 3611 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:17,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1939 Valid, 3611 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:10:17,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2664 states. [2022-10-15 22:10:18,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2664 to 2664. [2022-10-15 22:10:18,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2664 states, 2639 states have (on average 1.3076923076923077) internal successors, (3451), 2663 states have internal predecessors, (3451), 0 states have call successors, (0), 0 states 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 22:10:18,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2664 states to 2664 states and 3451 transitions. [2022-10-15 22:10:18,126 INFO L78 Accepts]: Start accepts. Automaton has 2664 states and 3451 transitions. Word has length 62 [2022-10-15 22:10:18,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:18,127 INFO L495 AbstractCegarLoop]: Abstraction has 2664 states and 3451 transitions. [2022-10-15 22:10:18,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:18,127 INFO L276 IsEmpty]: Start isEmpty. Operand 2664 states and 3451 transitions. [2022-10-15 22:10:18,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-15 22:10:18,130 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:18,130 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:18,130 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-15 22:10:18,131 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr221ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:18,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:18,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1640816166, now seen corresponding path program 1 times [2022-10-15 22:10:18,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:18,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38600722] [2022-10-15 22:10:18,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:18,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:18,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:18,275 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 22:10:18,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:18,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38600722] [2022-10-15 22:10:18,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38600722] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:18,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:18,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:18,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701838719] [2022-10-15 22:10:18,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:18,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:18,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:18,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:18,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:18,278 INFO L87 Difference]: Start difference. First operand 2664 states and 3451 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:19,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:19,329 INFO L93 Difference]: Finished difference Result 3102 states and 4101 transitions. [2022-10-15 22:10:19,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:19,329 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-10-15 22:10:19,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:19,337 INFO L225 Difference]: With dead ends: 3102 [2022-10-15 22:10:19,337 INFO L226 Difference]: Without dead ends: 3092 [2022-10-15 22:10:19,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:10:19,339 INFO L413 NwaCegarLoop]: 1776 mSDtfsCounter, 4106 mSDsluCounter, 1625 mSDsCounter, 0 mSdLazyCounter, 844 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4106 SdHoareTripleChecker+Valid, 3401 SdHoareTripleChecker+Invalid, 896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:19,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4106 Valid, 3401 Invalid, 896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 844 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 22:10:19,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3092 states. [2022-10-15 22:10:19,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3092 to 2798. [2022-10-15 22:10:19,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2798 states, 2779 states have (on average 1.3177401943145015) internal successors, (3662), 2797 states have internal predecessors, (3662), 0 states have call successors, (0), 0 states 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 22:10:19,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2798 states to 2798 states and 3662 transitions. [2022-10-15 22:10:19,596 INFO L78 Accepts]: Start accepts. Automaton has 2798 states and 3662 transitions. Word has length 62 [2022-10-15 22:10:19,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:19,597 INFO L495 AbstractCegarLoop]: Abstraction has 2798 states and 3662 transitions. [2022-10-15 22:10:19,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:19,597 INFO L276 IsEmpty]: Start isEmpty. Operand 2798 states and 3662 transitions. [2022-10-15 22:10:19,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-15 22:10:19,602 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:19,602 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:19,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-15 22:10:19,602 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:19,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:19,603 INFO L85 PathProgramCache]: Analyzing trace with hash -649331050, now seen corresponding path program 1 times [2022-10-15 22:10:19,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:19,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466799769] [2022-10-15 22:10:19,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:19,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:19,743 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 22:10:19,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:19,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466799769] [2022-10-15 22:10:19,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466799769] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:19,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:19,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:19,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459255696] [2022-10-15 22:10:19,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:19,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:19,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:19,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:19,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:19,745 INFO L87 Difference]: Start difference. First operand 2798 states and 3662 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:20,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:20,536 INFO L93 Difference]: Finished difference Result 3165 states and 4202 transitions. [2022-10-15 22:10:20,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:20,536 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-10-15 22:10:20,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:20,542 INFO L225 Difference]: With dead ends: 3165 [2022-10-15 22:10:20,543 INFO L226 Difference]: Without dead ends: 3161 [2022-10-15 22:10:20,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:10:20,545 INFO L413 NwaCegarLoop]: 1774 mSDtfsCounter, 4011 mSDsluCounter, 1678 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4011 SdHoareTripleChecker+Valid, 3452 SdHoareTripleChecker+Invalid, 857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:20,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4011 Valid, 3452 Invalid, 857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:10:20,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3161 states. [2022-10-15 22:10:20,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3161 to 2867. [2022-10-15 22:10:20,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2867 states, 2850 states have (on average 1.3224561403508772) internal successors, (3769), 2866 states have internal predecessors, (3769), 0 states have call successors, (0), 0 states 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 22:10:20,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2867 states to 2867 states and 3769 transitions. [2022-10-15 22:10:20,751 INFO L78 Accepts]: Start accepts. Automaton has 2867 states and 3769 transitions. Word has length 62 [2022-10-15 22:10:20,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:20,751 INFO L495 AbstractCegarLoop]: Abstraction has 2867 states and 3769 transitions. [2022-10-15 22:10:20,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:20,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2867 states and 3769 transitions. [2022-10-15 22:10:20,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-15 22:10:20,755 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:20,755 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:20,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-15 22:10:20,756 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:20,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:20,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1134603201, now seen corresponding path program 1 times [2022-10-15 22:10:20,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:20,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420976409] [2022-10-15 22:10:20,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:20,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:20,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:20,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:20,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420976409] [2022-10-15 22:10:20,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420976409] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:20,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:20,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:10:20,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351090569] [2022-10-15 22:10:20,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:20,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:10:20,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:20,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:10:20,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:10:20,928 INFO L87 Difference]: Start difference. First operand 2867 states and 3769 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:21,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:21,538 INFO L93 Difference]: Finished difference Result 3301 states and 4421 transitions. [2022-10-15 22:10:21,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:10:21,539 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-10-15 22:10:21,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:21,548 INFO L225 Difference]: With dead ends: 3301 [2022-10-15 22:10:21,548 INFO L226 Difference]: Without dead ends: 3296 [2022-10-15 22:10:21,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:10:21,551 INFO L413 NwaCegarLoop]: 2141 mSDtfsCounter, 564 mSDsluCounter, 1725 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 564 SdHoareTripleChecker+Valid, 3866 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:21,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [564 Valid, 3866 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:10:21,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3296 states. [2022-10-15 22:10:21,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3296 to 3148. [2022-10-15 22:10:21,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3148 states, 3134 states have (on average 1.3363114231014677) internal successors, (4188), 3147 states have internal predecessors, (4188), 0 states have call successors, (0), 0 states 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 22:10:21,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3148 states to 3148 states and 4188 transitions. [2022-10-15 22:10:21,788 INFO L78 Accepts]: Start accepts. Automaton has 3148 states and 4188 transitions. Word has length 62 [2022-10-15 22:10:21,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:21,788 INFO L495 AbstractCegarLoop]: Abstraction has 3148 states and 4188 transitions. [2022-10-15 22:10:21,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:21,789 INFO L276 IsEmpty]: Start isEmpty. Operand 3148 states and 4188 transitions. [2022-10-15 22:10:21,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 22:10:21,793 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:21,793 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] [2022-10-15 22:10:21,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-15 22:10:21,793 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr176ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:21,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:21,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1033565147, now seen corresponding path program 1 times [2022-10-15 22:10:21,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:21,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427035975] [2022-10-15 22:10:21,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:21,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:21,952 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 22:10:21,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:21,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427035975] [2022-10-15 22:10:21,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427035975] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:21,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:21,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:21,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749421091] [2022-10-15 22:10:21,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:21,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:21,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:21,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:21,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:21,955 INFO L87 Difference]: Start difference. First operand 3148 states and 4188 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states 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 22:10:22,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:22,869 INFO L93 Difference]: Finished difference Result 3365 states and 4506 transitions. [2022-10-15 22:10:22,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:22,869 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-15 22:10:22,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:22,877 INFO L225 Difference]: With dead ends: 3365 [2022-10-15 22:10:22,878 INFO L226 Difference]: Without dead ends: 3355 [2022-10-15 22:10:22,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:22,881 INFO L413 NwaCegarLoop]: 1932 mSDtfsCounter, 2058 mSDsluCounter, 1953 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2058 SdHoareTripleChecker+Valid, 3885 SdHoareTripleChecker+Invalid, 868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:22,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2058 Valid, 3885 Invalid, 868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:10:22,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3355 states. [2022-10-15 22:10:23,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3355 to 3353. [2022-10-15 22:10:23,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3353 states, 3341 states have (on average 1.3451062556120923) internal successors, (4494), 3352 states have internal predecessors, (4494), 0 states have call successors, (0), 0 states 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 22:10:23,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3353 states to 3353 states and 4494 transitions. [2022-10-15 22:10:23,134 INFO L78 Accepts]: Start accepts. Automaton has 3353 states and 4494 transitions. Word has length 64 [2022-10-15 22:10:23,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:23,135 INFO L495 AbstractCegarLoop]: Abstraction has 3353 states and 4494 transitions. [2022-10-15 22:10:23,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states 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 22:10:23,135 INFO L276 IsEmpty]: Start isEmpty. Operand 3353 states and 4494 transitions. [2022-10-15 22:10:23,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 22:10:23,139 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:23,140 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] [2022-10-15 22:10:23,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-15 22:10:23,140 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:23,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:23,141 INFO L85 PathProgramCache]: Analyzing trace with hash -567991613, now seen corresponding path program 1 times [2022-10-15 22:10:23,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:23,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477577131] [2022-10-15 22:10:23,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:23,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:23,297 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 22:10:23,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:23,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477577131] [2022-10-15 22:10:23,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477577131] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:23,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:23,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:23,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746941110] [2022-10-15 22:10:23,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:23,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:23,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:23,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:23,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:23,300 INFO L87 Difference]: Start difference. First operand 3353 states and 4494 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states 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 22:10:24,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:24,065 INFO L93 Difference]: Finished difference Result 3789 states and 5140 transitions. [2022-10-15 22:10:24,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:24,066 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-15 22:10:24,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:24,075 INFO L225 Difference]: With dead ends: 3789 [2022-10-15 22:10:24,075 INFO L226 Difference]: Without dead ends: 3785 [2022-10-15 22:10:24,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:24,078 INFO L413 NwaCegarLoop]: 2075 mSDtfsCounter, 2386 mSDsluCounter, 1824 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2386 SdHoareTripleChecker+Valid, 3899 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:24,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2386 Valid, 3899 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:10:24,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3785 states. [2022-10-15 22:10:24,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3785 to 3777. [2022-10-15 22:10:24,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3777 states, 3767 states have (on average 1.3618263870453942) internal successors, (5130), 3776 states have internal predecessors, (5130), 0 states have call successors, (0), 0 states 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 22:10:24,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3777 states to 3777 states and 5130 transitions. [2022-10-15 22:10:24,410 INFO L78 Accepts]: Start accepts. Automaton has 3777 states and 5130 transitions. Word has length 64 [2022-10-15 22:10:24,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:24,410 INFO L495 AbstractCegarLoop]: Abstraction has 3777 states and 5130 transitions. [2022-10-15 22:10:24,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states 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 22:10:24,411 INFO L276 IsEmpty]: Start isEmpty. Operand 3777 states and 5130 transitions. [2022-10-15 22:10:24,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-15 22:10:24,415 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:24,415 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:24,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-15 22:10:24,416 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:24,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:24,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1552603767, now seen corresponding path program 1 times [2022-10-15 22:10:24,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:24,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856864351] [2022-10-15 22:10:24,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:24,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:24,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:24,562 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 22:10:24,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:24,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856864351] [2022-10-15 22:10:24,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856864351] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:24,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:24,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:24,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959362027] [2022-10-15 22:10:24,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:24,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:24,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:24,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:24,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:24,565 INFO L87 Difference]: Start difference. First operand 3777 states and 5130 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states 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 22:10:25,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:25,422 INFO L93 Difference]: Finished difference Result 3852 states and 5236 transitions. [2022-10-15 22:10:25,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:25,425 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2022-10-15 22:10:25,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:25,434 INFO L225 Difference]: With dead ends: 3852 [2022-10-15 22:10:25,435 INFO L226 Difference]: Without dead ends: 3846 [2022-10-15 22:10:25,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:25,437 INFO L413 NwaCegarLoop]: 1930 mSDtfsCounter, 1969 mSDsluCounter, 3165 mSDsCounter, 0 mSdLazyCounter, 1093 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1969 SdHoareTripleChecker+Valid, 5095 SdHoareTripleChecker+Invalid, 1103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:25,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1969 Valid, 5095 Invalid, 1103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1093 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:10:25,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3846 states. [2022-10-15 22:10:25,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3846 to 3844. [2022-10-15 22:10:25,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3844 states, 3835 states have (on average 1.3632333767926987) internal successors, (5228), 3843 states have internal predecessors, (5228), 0 states have call successors, (0), 0 states 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 22:10:25,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3844 states to 3844 states and 5228 transitions. [2022-10-15 22:10:25,795 INFO L78 Accepts]: Start accepts. Automaton has 3844 states and 5228 transitions. Word has length 64 [2022-10-15 22:10:25,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:25,796 INFO L495 AbstractCegarLoop]: Abstraction has 3844 states and 5228 transitions. [2022-10-15 22:10:25,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states 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 22:10:25,796 INFO L276 IsEmpty]: Start isEmpty. Operand 3844 states and 5228 transitions. [2022-10-15 22:10:25,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-15 22:10:25,800 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:25,801 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] [2022-10-15 22:10:25,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-15 22:10:25,801 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:25,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:25,802 INFO L85 PathProgramCache]: Analyzing trace with hash -427870021, now seen corresponding path program 1 times [2022-10-15 22:10:25,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:25,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181047738] [2022-10-15 22:10:25,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:25,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:25,958 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 22:10:25,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:25,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181047738] [2022-10-15 22:10:25,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181047738] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:25,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:25,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:25,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333803536] [2022-10-15 22:10:25,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:25,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:25,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:25,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:25,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:25,963 INFO L87 Difference]: Start difference. First operand 3844 states and 5228 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states 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 22:10:26,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:26,652 INFO L93 Difference]: Finished difference Result 4525 states and 6235 transitions. [2022-10-15 22:10:26,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:26,652 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 65 [2022-10-15 22:10:26,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:26,662 INFO L225 Difference]: With dead ends: 4525 [2022-10-15 22:10:26,663 INFO L226 Difference]: Without dead ends: 3576 [2022-10-15 22:10:26,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:26,667 INFO L413 NwaCegarLoop]: 1937 mSDtfsCounter, 2215 mSDsluCounter, 1729 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2215 SdHoareTripleChecker+Valid, 3666 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:26,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2215 Valid, 3666 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:10:26,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3576 states. [2022-10-15 22:10:26,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3576 to 2887. [2022-10-15 22:10:26,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2887 states, 2880 states have (on average 1.3190972222222221) internal successors, (3799), 2886 states have internal predecessors, (3799), 0 states have call successors, (0), 0 states 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 22:10:26,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2887 states to 2887 states and 3799 transitions. [2022-10-15 22:10:26,916 INFO L78 Accepts]: Start accepts. Automaton has 2887 states and 3799 transitions. Word has length 65 [2022-10-15 22:10:26,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:26,916 INFO L495 AbstractCegarLoop]: Abstraction has 2887 states and 3799 transitions. [2022-10-15 22:10:26,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 0 states have call successors, (0), 0 states 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 22:10:26,917 INFO L276 IsEmpty]: Start isEmpty. Operand 2887 states and 3799 transitions. [2022-10-15 22:10:26,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-15 22:10:26,921 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:26,921 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] [2022-10-15 22:10:26,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-15 22:10:26,921 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:26,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:26,922 INFO L85 PathProgramCache]: Analyzing trace with hash 726431933, now seen corresponding path program 1 times [2022-10-15 22:10:26,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:26,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465113508] [2022-10-15 22:10:26,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:26,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:27,134 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 22:10:27,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:27,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465113508] [2022-10-15 22:10:27,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465113508] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:27,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:27,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:27,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436746048] [2022-10-15 22:10:27,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:27,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:27,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:27,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:27,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:27,137 INFO L87 Difference]: Start difference. First operand 2887 states and 3799 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states 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 22:10:27,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:27,852 INFO L93 Difference]: Finished difference Result 2956 states and 3895 transitions. [2022-10-15 22:10:27,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:27,853 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 67 [2022-10-15 22:10:27,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:27,857 INFO L225 Difference]: With dead ends: 2956 [2022-10-15 22:10:27,857 INFO L226 Difference]: Without dead ends: 2814 [2022-10-15 22:10:27,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:27,859 INFO L413 NwaCegarLoop]: 2147 mSDtfsCounter, 594 mSDsluCounter, 3222 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 5369 SdHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:27,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 5369 Invalid, 813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:10:27,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2814 states. [2022-10-15 22:10:28,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2814 to 2811. [2022-10-15 22:10:28,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2811 states, 2805 states have (on average 1.3147950089126559) internal successors, (3688), 2810 states have internal predecessors, (3688), 0 states have call successors, (0), 0 states 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 22:10:28,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2811 states to 2811 states and 3688 transitions. [2022-10-15 22:10:28,088 INFO L78 Accepts]: Start accepts. Automaton has 2811 states and 3688 transitions. Word has length 67 [2022-10-15 22:10:28,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:28,088 INFO L495 AbstractCegarLoop]: Abstraction has 2811 states and 3688 transitions. [2022-10-15 22:10:28,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 0 states have call successors, (0), 0 states 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 22:10:28,089 INFO L276 IsEmpty]: Start isEmpty. Operand 2811 states and 3688 transitions. [2022-10-15 22:10:28,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-15 22:10:28,094 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:28,094 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:28,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-15 22:10:28,095 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr432ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:28,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:28,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1452000730, now seen corresponding path program 1 times [2022-10-15 22:10:28,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:28,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395977719] [2022-10-15 22:10:28,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:28,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:28,271 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 22:10:28,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:28,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395977719] [2022-10-15 22:10:28,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395977719] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:28,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:28,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:28,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826763160] [2022-10-15 22:10:28,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:28,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:28,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:28,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:28,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:28,274 INFO L87 Difference]: Start difference. First operand 2811 states and 3688 transitions. Second operand has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:29,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:29,147 INFO L93 Difference]: Finished difference Result 2884 states and 3792 transitions. [2022-10-15 22:10:29,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:29,148 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85 [2022-10-15 22:10:29,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:29,153 INFO L225 Difference]: With dead ends: 2884 [2022-10-15 22:10:29,153 INFO L226 Difference]: Without dead ends: 2882 [2022-10-15 22:10:29,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:29,155 INFO L413 NwaCegarLoop]: 1833 mSDtfsCounter, 1875 mSDsluCounter, 3543 mSDsCounter, 0 mSdLazyCounter, 1163 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1875 SdHoareTripleChecker+Valid, 5376 SdHoareTripleChecker+Invalid, 1171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:29,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1875 Valid, 5376 Invalid, 1171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1163 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 22:10:29,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2882 states. [2022-10-15 22:10:29,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2882 to 2740. [2022-10-15 22:10:29,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2740 states, 2734 states have (on average 1.31016825164594) internal successors, (3582), 2739 states have internal predecessors, (3582), 0 states have call successors, (0), 0 states 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 22:10:29,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2740 states to 2740 states and 3582 transitions. [2022-10-15 22:10:29,453 INFO L78 Accepts]: Start accepts. Automaton has 2740 states and 3582 transitions. Word has length 85 [2022-10-15 22:10:29,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:29,453 INFO L495 AbstractCegarLoop]: Abstraction has 2740 states and 3582 transitions. [2022-10-15 22:10:29,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.25) internal successors, (85), 5 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:29,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2740 states and 3582 transitions. [2022-10-15 22:10:29,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-15 22:10:29,461 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:29,461 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] [2022-10-15 22:10:29,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-15 22:10:29,461 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr430ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:29,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:29,462 INFO L85 PathProgramCache]: Analyzing trace with hash -440234036, now seen corresponding path program 1 times [2022-10-15 22:10:29,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:29,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676826884] [2022-10-15 22:10:29,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:29,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:29,630 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 22:10:29,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:29,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676826884] [2022-10-15 22:10:29,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676826884] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:29,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:29,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:10:29,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934819520] [2022-10-15 22:10:29,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:29,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:10:29,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:29,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:10:29,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:10:29,638 INFO L87 Difference]: Start difference. First operand 2740 states and 3582 transitions. Second operand has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states 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 22:10:30,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:30,114 INFO L93 Difference]: Finished difference Result 2808 states and 3677 transitions. [2022-10-15 22:10:30,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:10:30,114 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 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 89 [2022-10-15 22:10:30,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:30,117 INFO L225 Difference]: With dead ends: 2808 [2022-10-15 22:10:30,117 INFO L226 Difference]: Without dead ends: 2806 [2022-10-15 22:10:30,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:10:30,118 INFO L413 NwaCegarLoop]: 2172 mSDtfsCounter, 260 mSDsluCounter, 1733 mSDsCounter, 0 mSdLazyCounter, 405 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 3905 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:30,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 3905 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 405 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:10:30,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2806 states. [2022-10-15 22:10:30,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2806 to 2738. [2022-10-15 22:10:30,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2738 states, 2734 states have (on average 1.3050475493782003) internal successors, (3568), 2737 states have internal predecessors, (3568), 0 states have call successors, (0), 0 states 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 22:10:30,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2738 states and 3568 transitions. [2022-10-15 22:10:30,316 INFO L78 Accepts]: Start accepts. Automaton has 2738 states and 3568 transitions. Word has length 89 [2022-10-15 22:10:30,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:30,317 INFO L495 AbstractCegarLoop]: Abstraction has 2738 states and 3568 transitions. [2022-10-15 22:10:30,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.666666666666668) internal successors, (89), 4 states have internal predecessors, (89), 0 states have call successors, (0), 0 states 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 22:10:30,317 INFO L276 IsEmpty]: Start isEmpty. Operand 2738 states and 3568 transitions. [2022-10-15 22:10:30,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-15 22:10:30,322 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:30,322 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:30,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-15 22:10:30,322 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr432ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:30,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:30,323 INFO L85 PathProgramCache]: Analyzing trace with hash 1929663791, now seen corresponding path program 1 times [2022-10-15 22:10:30,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:30,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35018215] [2022-10-15 22:10:30,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:30,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:30,496 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 22:10:30,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:30,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35018215] [2022-10-15 22:10:30,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35018215] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:30,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:30,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:30,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414700089] [2022-10-15 22:10:30,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:30,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:30,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:30,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:30,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:30,499 INFO L87 Difference]: Start difference. First operand 2738 states and 3568 transitions. Second operand has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:31,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:31,151 INFO L93 Difference]: Finished difference Result 2811 states and 3672 transitions. [2022-10-15 22:10:31,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:31,152 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-10-15 22:10:31,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:31,155 INFO L225 Difference]: With dead ends: 2811 [2022-10-15 22:10:31,155 INFO L226 Difference]: Without dead ends: 2809 [2022-10-15 22:10:31,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:31,156 INFO L413 NwaCegarLoop]: 1826 mSDtfsCounter, 2154 mSDsluCounter, 1817 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2154 SdHoareTripleChecker+Valid, 3643 SdHoareTripleChecker+Invalid, 751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:31,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2154 Valid, 3643 Invalid, 751 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:10:31,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2809 states. [2022-10-15 22:10:31,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2809 to 2667. [2022-10-15 22:10:31,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2667 states, 2663 states have (on average 1.300037551633496) internal successors, (3462), 2666 states have internal predecessors, (3462), 0 states have call successors, (0), 0 states 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 22:10:31,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 2667 states and 3462 transitions. [2022-10-15 22:10:31,287 INFO L78 Accepts]: Start accepts. Automaton has 2667 states and 3462 transitions. Word has length 91 [2022-10-15 22:10:31,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:31,287 INFO L495 AbstractCegarLoop]: Abstraction has 2667 states and 3462 transitions. [2022-10-15 22:10:31,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:31,287 INFO L276 IsEmpty]: Start isEmpty. Operand 2667 states and 3462 transitions. [2022-10-15 22:10:31,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-15 22:10:31,291 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:31,292 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:31,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-15 22:10:31,292 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr432ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:31,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:31,293 INFO L85 PathProgramCache]: Analyzing trace with hash 2137013902, now seen corresponding path program 1 times [2022-10-15 22:10:31,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:31,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403574051] [2022-10-15 22:10:31,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:31,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:31,459 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 22:10:31,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:31,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403574051] [2022-10-15 22:10:31,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403574051] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:31,460 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:31,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:31,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941036118] [2022-10-15 22:10:31,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:31,461 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:31,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:31,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:31,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:31,463 INFO L87 Difference]: Start difference. First operand 2667 states and 3462 transitions. Second operand has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:32,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:32,161 INFO L93 Difference]: Finished difference Result 2671 states and 3462 transitions. [2022-10-15 22:10:32,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:32,162 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-10-15 22:10:32,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:32,171 INFO L225 Difference]: With dead ends: 2671 [2022-10-15 22:10:32,171 INFO L226 Difference]: Without dead ends: 2669 [2022-10-15 22:10:32,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:32,173 INFO L413 NwaCegarLoop]: 2016 mSDtfsCounter, 2093 mSDsluCounter, 3299 mSDsCounter, 0 mSdLazyCounter, 926 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2093 SdHoareTripleChecker+Valid, 5315 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 926 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:32,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2093 Valid, 5315 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 926 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:10:32,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2669 states. [2022-10-15 22:10:32,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2669 to 2667. [2022-10-15 22:10:32,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2667 states, 2663 states have (on average 1.2985354862936538) internal successors, (3458), 2666 states have internal predecessors, (3458), 0 states have call successors, (0), 0 states 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 22:10:32,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 2667 states and 3458 transitions. [2022-10-15 22:10:32,391 INFO L78 Accepts]: Start accepts. Automaton has 2667 states and 3458 transitions. Word has length 91 [2022-10-15 22:10:32,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:32,391 INFO L495 AbstractCegarLoop]: Abstraction has 2667 states and 3458 transitions. [2022-10-15 22:10:32,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:32,392 INFO L276 IsEmpty]: Start isEmpty. Operand 2667 states and 3458 transitions. [2022-10-15 22:10:32,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-15 22:10:32,396 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:32,397 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] [2022-10-15 22:10:32,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-10-15 22:10:32,398 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr433ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:32,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:32,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1822926532, now seen corresponding path program 1 times [2022-10-15 22:10:32,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:32,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861552688] [2022-10-15 22:10:32,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:32,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:32,592 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 22:10:32,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:32,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861552688] [2022-10-15 22:10:32,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861552688] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:32,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:32,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:32,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052891991] [2022-10-15 22:10:32,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:32,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:32,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:32,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:32,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:32,595 INFO L87 Difference]: Start difference. First operand 2667 states and 3458 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states 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 22:10:33,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:33,197 INFO L93 Difference]: Finished difference Result 3159 states and 4185 transitions. [2022-10-15 22:10:33,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:33,197 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-15 22:10:33,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:33,199 INFO L225 Difference]: With dead ends: 3159 [2022-10-15 22:10:33,199 INFO L226 Difference]: Without dead ends: 2593 [2022-10-15 22:10:33,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:33,201 INFO L413 NwaCegarLoop]: 1969 mSDtfsCounter, 2112 mSDsluCounter, 1740 mSDsCounter, 0 mSdLazyCounter, 602 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2112 SdHoareTripleChecker+Valid, 3709 SdHoareTripleChecker+Invalid, 619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 602 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:33,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2112 Valid, 3709 Invalid, 619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 602 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:10:33,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2593 states. [2022-10-15 22:10:33,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2593 to 2226. [2022-10-15 22:10:33,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2226 states, 2225 states have (on average 1.2593258426966292) internal successors, (2802), 2225 states have internal predecessors, (2802), 0 states have call successors, (0), 0 states 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 22:10:33,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 2226 states and 2802 transitions. [2022-10-15 22:10:33,373 INFO L78 Accepts]: Start accepts. Automaton has 2226 states and 2802 transitions. Word has length 92 [2022-10-15 22:10:33,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:33,373 INFO L495 AbstractCegarLoop]: Abstraction has 2226 states and 2802 transitions. [2022-10-15 22:10:33,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 0 states have call successors, (0), 0 states 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 22:10:33,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2226 states and 2802 transitions. [2022-10-15 22:10:33,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-15 22:10:33,376 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:33,376 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] [2022-10-15 22:10:33,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-15 22:10:33,377 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr432ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:33,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:33,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1600157067, now seen corresponding path program 1 times [2022-10-15 22:10:33,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:33,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860727928] [2022-10-15 22:10:33,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:33,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:33,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:33,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:33,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:33,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860727928] [2022-10-15 22:10:33,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860727928] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:33,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:33,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:33,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256963570] [2022-10-15 22:10:33,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:33,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:33,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:33,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:33,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:33,555 INFO L87 Difference]: Start difference. First operand 2226 states and 2802 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states 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 22:10:34,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:34,187 INFO L93 Difference]: Finished difference Result 2494 states and 3192 transitions. [2022-10-15 22:10:34,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:34,188 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2022-10-15 22:10:34,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:34,190 INFO L225 Difference]: With dead ends: 2494 [2022-10-15 22:10:34,191 INFO L226 Difference]: Without dead ends: 2353 [2022-10-15 22:10:34,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:34,192 INFO L413 NwaCegarLoop]: 2232 mSDtfsCounter, 362 mSDsluCounter, 3627 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 5859 SdHoareTripleChecker+Invalid, 694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:34,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 5859 Invalid, 694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-15 22:10:34,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2353 states. [2022-10-15 22:10:34,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2353 to 2352. [2022-10-15 22:10:34,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2352 states, 2351 states have (on average 1.2688217779668227) internal successors, (2983), 2351 states have internal predecessors, (2983), 0 states have call successors, (0), 0 states 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 22:10:34,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2352 states to 2352 states and 2983 transitions. [2022-10-15 22:10:34,327 INFO L78 Accepts]: Start accepts. Automaton has 2352 states and 2983 transitions. Word has length 94 [2022-10-15 22:10:34,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:34,328 INFO L495 AbstractCegarLoop]: Abstraction has 2352 states and 2983 transitions. [2022-10-15 22:10:34,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states 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 22:10:34,328 INFO L276 IsEmpty]: Start isEmpty. Operand 2352 states and 2983 transitions. [2022-10-15 22:10:34,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-15 22:10:34,331 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:34,331 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] [2022-10-15 22:10:34,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-15 22:10:34,331 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr432ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:34,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:34,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1930443848, now seen corresponding path program 1 times [2022-10-15 22:10:34,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:34,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049887353] [2022-10-15 22:10:34,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:34,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:34,503 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 22:10:34,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:34,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049887353] [2022-10-15 22:10:34,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049887353] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:34,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:34,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:10:34,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607864298] [2022-10-15 22:10:34,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:34,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:34,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:34,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:34,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:34,505 INFO L87 Difference]: Start difference. First operand 2352 states and 2983 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states 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 22:10:35,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:35,004 INFO L93 Difference]: Finished difference Result 2549 states and 3267 transitions. [2022-10-15 22:10:35,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:10:35,004 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 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 94 [2022-10-15 22:10:35,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:35,007 INFO L225 Difference]: With dead ends: 2549 [2022-10-15 22:10:35,007 INFO L226 Difference]: Without dead ends: 2221 [2022-10-15 22:10:35,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:35,009 INFO L413 NwaCegarLoop]: 2255 mSDtfsCounter, 333 mSDsluCounter, 1820 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 333 SdHoareTripleChecker+Valid, 4075 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:35,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [333 Valid, 4075 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:10:35,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2221 states. [2022-10-15 22:10:35,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2221 to 2155. [2022-10-15 22:10:35,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2155 states, 2154 states have (on average 1.2506963788300836) internal successors, (2694), 2154 states have internal predecessors, (2694), 0 states have call successors, (0), 0 states 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 22:10:35,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2155 states to 2155 states and 2694 transitions. [2022-10-15 22:10:35,119 INFO L78 Accepts]: Start accepts. Automaton has 2155 states and 2694 transitions. Word has length 94 [2022-10-15 22:10:35,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:35,119 INFO L495 AbstractCegarLoop]: Abstraction has 2155 states and 2694 transitions. [2022-10-15 22:10:35,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states 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 22:10:35,120 INFO L276 IsEmpty]: Start isEmpty. Operand 2155 states and 2694 transitions. [2022-10-15 22:10:35,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-10-15 22:10:35,123 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:35,123 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:35,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-10-15 22:10:35,124 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr432ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:35,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:35,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1327419956, now seen corresponding path program 1 times [2022-10-15 22:10:35,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:35,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664603307] [2022-10-15 22:10:35,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:35,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:35,270 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:35,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:35,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664603307] [2022-10-15 22:10:35,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664603307] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:35,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:35,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:10:35,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790300879] [2022-10-15 22:10:35,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:35,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:10:35,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:35,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:10:35,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:10:35,274 INFO L87 Difference]: Start difference. First operand 2155 states and 2694 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:36,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:36,521 INFO L93 Difference]: Finished difference Result 3895 states and 5107 transitions. [2022-10-15 22:10:36,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:10:36,521 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 116 [2022-10-15 22:10:36,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:36,527 INFO L225 Difference]: With dead ends: 3895 [2022-10-15 22:10:36,527 INFO L226 Difference]: Without dead ends: 3332 [2022-10-15 22:10:36,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-15 22:10:36,531 INFO L413 NwaCegarLoop]: 1346 mSDtfsCounter, 3525 mSDsluCounter, 1805 mSDsCounter, 0 mSdLazyCounter, 1528 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3525 SdHoareTripleChecker+Valid, 3151 SdHoareTripleChecker+Invalid, 1715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 1528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:36,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3525 Valid, 3151 Invalid, 1715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 1528 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-15 22:10:36,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3332 states. [2022-10-15 22:10:36,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3332 to 2337. [2022-10-15 22:10:36,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2337 states, 2336 states have (on average 1.233304794520548) internal successors, (2881), 2336 states have internal predecessors, (2881), 0 states have call successors, (0), 0 states 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 22:10:36,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2337 states to 2337 states and 2881 transitions. [2022-10-15 22:10:36,714 INFO L78 Accepts]: Start accepts. Automaton has 2337 states and 2881 transitions. Word has length 116 [2022-10-15 22:10:36,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:36,715 INFO L495 AbstractCegarLoop]: Abstraction has 2337 states and 2881 transitions. [2022-10-15 22:10:36,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:36,715 INFO L276 IsEmpty]: Start isEmpty. Operand 2337 states and 2881 transitions. [2022-10-15 22:10:36,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-15 22:10:36,719 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:36,720 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:36,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-15 22:10:36,720 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr432ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:36,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:36,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1803303044, now seen corresponding path program 1 times [2022-10-15 22:10:36,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:36,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713627630] [2022-10-15 22:10:36,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:36,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:36,827 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-15 22:10:36,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:36,827 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713627630] [2022-10-15 22:10:36,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713627630] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:36,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:36,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:10:36,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166364073] [2022-10-15 22:10:36,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:36,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:10:36,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:36,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:10:36,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:10:36,829 INFO L87 Difference]: Start difference. First operand 2337 states and 2881 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:37,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:37,342 INFO L93 Difference]: Finished difference Result 3821 states and 4835 transitions. [2022-10-15 22:10:37,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:10:37,342 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-10-15 22:10:37,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:37,347 INFO L225 Difference]: With dead ends: 3821 [2022-10-15 22:10:37,348 INFO L226 Difference]: Without dead ends: 2693 [2022-10-15 22:10:37,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:10:37,351 INFO L413 NwaCegarLoop]: 2009 mSDtfsCounter, 1352 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1352 SdHoareTripleChecker+Valid, 2634 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:37,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1352 Valid, 2634 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 22:10:37,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2693 states. [2022-10-15 22:10:37,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2693 to 2693. [2022-10-15 22:10:37,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2693 states, 2692 states have (on average 1.2273402674591383) internal successors, (3304), 2692 states have internal predecessors, (3304), 0 states have call successors, (0), 0 states 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 22:10:37,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2693 states to 2693 states and 3304 transitions. [2022-10-15 22:10:37,712 INFO L78 Accepts]: Start accepts. Automaton has 2693 states and 3304 transitions. Word has length 117 [2022-10-15 22:10:37,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:37,713 INFO L495 AbstractCegarLoop]: Abstraction has 2693 states and 3304 transitions. [2022-10-15 22:10:37,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:37,713 INFO L276 IsEmpty]: Start isEmpty. Operand 2693 states and 3304 transitions. [2022-10-15 22:10:37,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-15 22:10:37,718 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:37,719 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:37,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-10-15 22:10:37,719 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr432ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:37,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:37,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1238505185, now seen corresponding path program 1 times [2022-10-15 22:10:37,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:37,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767444422] [2022-10-15 22:10:37,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:37,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:37,880 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-15 22:10:37,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:37,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767444422] [2022-10-15 22:10:37,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767444422] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:37,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:37,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:10:37,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845143740] [2022-10-15 22:10:37,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:37,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:10:37,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:37,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:10:37,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:10:37,883 INFO L87 Difference]: Start difference. First operand 2693 states and 3304 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:39,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:10:39,312 INFO L93 Difference]: Finished difference Result 5648 states and 7112 transitions. [2022-10-15 22:10:39,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:10:39,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 119 [2022-10-15 22:10:39,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:10:39,318 INFO L225 Difference]: With dead ends: 5648 [2022-10-15 22:10:39,318 INFO L226 Difference]: Without dead ends: 4549 [2022-10-15 22:10:39,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:10:39,321 INFO L413 NwaCegarLoop]: 1835 mSDtfsCounter, 1147 mSDsluCounter, 1083 mSDsCounter, 0 mSdLazyCounter, 1112 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1147 SdHoareTripleChecker+Valid, 2918 SdHoareTripleChecker+Invalid, 1142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-15 22:10:39,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1147 Valid, 2918 Invalid, 1142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1112 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-15 22:10:39,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4549 states. [2022-10-15 22:10:39,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4549 to 4541. [2022-10-15 22:10:39,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4541 states, 4540 states have (on average 1.2392070484581499) internal successors, (5626), 4540 states have internal predecessors, (5626), 0 states have call successors, (0), 0 states 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 22:10:39,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4541 states to 4541 states and 5626 transitions. [2022-10-15 22:10:39,723 INFO L78 Accepts]: Start accepts. Automaton has 4541 states and 5626 transitions. Word has length 119 [2022-10-15 22:10:39,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:10:39,723 INFO L495 AbstractCegarLoop]: Abstraction has 4541 states and 5626 transitions. [2022-10-15 22:10:39,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 22:10:39,724 INFO L276 IsEmpty]: Start isEmpty. Operand 4541 states and 5626 transitions. [2022-10-15 22:10:39,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-10-15 22:10:39,732 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:10:39,732 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:10:39,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-15 22:10:39,733 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr432ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 539 more)] === [2022-10-15 22:10:39,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:10:39,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1638496384, now seen corresponding path program 1 times [2022-10-15 22:10:39,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:10:39,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656943994] [2022-10-15 22:10:39,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:10:39,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:10:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:10:39,873 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:10:39,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:10:39,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656943994] [2022-10-15 22:10:39,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656943994] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:10:39,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:10:39,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:10:39,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845954921] [2022-10-15 22:10:39,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:10:39,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:10:39,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:10:39,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:10:39,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:10:39,875 INFO L87 Difference]: Start difference. First operand 4541 states and 5626 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)