/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/systemc/token_ring.13.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 17:06:14,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 17:06:14,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 17:06:14,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 17:06:14,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 17:06:14,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 17:06:14,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 17:06:14,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 17:06:14,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 17:06:14,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 17:06:14,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 17:06:14,340 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 17:06:14,340 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 17:06:14,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 17:06:14,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 17:06:14,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 17:06:14,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 17:06:14,355 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 17:06:14,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 17:06:14,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 17:06:14,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 17:06:14,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 17:06:14,375 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 17:06:14,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 17:06:14,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 17:06:14,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 17:06:14,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 17:06:14,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 17:06:14,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 17:06:14,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 17:06:14,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 17:06:14,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 17:06:14,395 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 17:06:14,396 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 17:06:14,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 17:06:14,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 17:06:14,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 17:06:14,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 17:06:14,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 17:06:14,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 17:06:14,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 17:06:14,403 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 17:06:14,465 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 17:06:14,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 17:06:14,466 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 17:06:14,466 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 17:06:14,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 17:06:14,468 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 17:06:14,471 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 17:06:14,472 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 17:06:14,472 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 17:06:14,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 17:06:14,474 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 17:06:14,474 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 17:06:14,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 17:06:14,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 17:06:14,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 17:06:14,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 17:06:14,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 17:06:14,475 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 17:06:14,475 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 17:06:14,475 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 17:06:14,476 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 17:06:14,476 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 17:06:14,476 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 17:06:14,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 17:06:14,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 17:06:14,477 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 17:06:14,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 17:06:14,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 17:06:14,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 17:06:14,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 17:06:14,478 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 17:06:14,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 17:06:14,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 17:06:14,478 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 17:06:14,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 17:06:14,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 17:06:14,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 17:06:14,933 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 17:06:14,933 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 17:06:14,935 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/token_ring.13.cil-2.c [2022-10-16 17:06:15,020 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c8d7ee4a/c131f08dff984e13abdf63591e42b8de/FLAGcba28a89a [2022-10-16 17:06:15,749 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 17:06:15,750 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/token_ring.13.cil-2.c [2022-10-16 17:06:15,778 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c8d7ee4a/c131f08dff984e13abdf63591e42b8de/FLAGcba28a89a [2022-10-16 17:06:16,087 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c8d7ee4a/c131f08dff984e13abdf63591e42b8de [2022-10-16 17:06:16,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 17:06:16,099 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 17:06:16,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 17:06:16,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 17:06:16,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 17:06:16,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:06:16" (1/1) ... [2022-10-16 17:06:16,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54b30f51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:16, skipping insertion in model container [2022-10-16 17:06:16,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 05:06:16" (1/1) ... [2022-10-16 17:06:16,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 17:06:16,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 17:06:16,461 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/systemc/token_ring.13.cil-2.c[671,684] [2022-10-16 17:06:16,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 17:06:16,753 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 17:06:16,767 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/systemc/token_ring.13.cil-2.c[671,684] [2022-10-16 17:06:16,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 17:06:16,865 INFO L208 MainTranslator]: Completed translation [2022-10-16 17:06:16,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:16 WrapperNode [2022-10-16 17:06:16,866 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 17:06:16,867 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 17:06:16,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 17:06:16,868 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 17:06:16,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:16" (1/1) ... [2022-10-16 17:06:16,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:16" (1/1) ... [2022-10-16 17:06:17,038 INFO L138 Inliner]: procedures = 54, calls = 70, calls flagged for inlining = 38, calls inlined = 38, statements flattened = 939 [2022-10-16 17:06:17,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 17:06:17,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 17:06:17,046 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 17:06:17,046 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 17:06:17,085 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:16" (1/1) ... [2022-10-16 17:06:17,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:16" (1/1) ... [2022-10-16 17:06:17,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:16" (1/1) ... [2022-10-16 17:06:17,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:16" (1/1) ... [2022-10-16 17:06:17,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:16" (1/1) ... [2022-10-16 17:06:17,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:16" (1/1) ... [2022-10-16 17:06:17,177 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:16" (1/1) ... [2022-10-16 17:06:17,182 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:16" (1/1) ... [2022-10-16 17:06:17,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 17:06:17,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 17:06:17,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 17:06:17,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 17:06:17,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:16" (1/1) ... [2022-10-16 17:06:17,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 17:06:17,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:06:17,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 17:06:17,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 17:06:17,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 17:06:17,319 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2022-10-16 17:06:17,319 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2022-10-16 17:06:17,319 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2022-10-16 17:06:17,319 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2022-10-16 17:06:17,319 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2022-10-16 17:06:17,320 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2022-10-16 17:06:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2022-10-16 17:06:17,322 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2022-10-16 17:06:17,322 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2022-10-16 17:06:17,323 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2022-10-16 17:06:17,323 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2022-10-16 17:06:17,323 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2022-10-16 17:06:17,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 17:06:17,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 17:06:17,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 17:06:17,534 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 17:06:17,543 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 17:06:18,680 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 17:06:18,700 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 17:06:18,703 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-10-16 17:06:18,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:06:18 BoogieIcfgContainer [2022-10-16 17:06:18,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 17:06:18,711 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 17:06:18,711 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 17:06:18,714 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 17:06:18,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 05:06:16" (1/3) ... [2022-10-16 17:06:18,716 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28dd7504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:06:18, skipping insertion in model container [2022-10-16 17:06:18,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 05:06:16" (2/3) ... [2022-10-16 17:06:18,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28dd7504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 05:06:18, skipping insertion in model container [2022-10-16 17:06:18,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 05:06:18" (3/3) ... [2022-10-16 17:06:18,718 INFO L112 eAbstractionObserver]: Analyzing ICFG token_ring.13.cil-2.c [2022-10-16 17:06:18,740 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 17:06:18,740 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-10-16 17:06:18,837 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 17:06:18,847 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;@1443e3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 17:06:18,847 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-10-16 17:06:18,855 INFO L276 IsEmpty]: Start isEmpty. Operand has 449 states, 387 states have (on average 1.7105943152454781) internal successors, (662), 416 states have internal predecessors, (662), 27 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2022-10-16 17:06:18,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-16 17:06:18,879 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:18,880 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:06:18,881 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:06:18,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:18,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1216431227, now seen corresponding path program 1 times [2022-10-16 17:06:18,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:18,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526611906] [2022-10-16 17:06:18,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:18,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:19,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:06:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:19,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 17:06:19,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:19,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:06:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:19,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 17:06:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:19,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-16 17:06:19,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:19,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:06:19,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:19,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526611906] [2022-10-16 17:06:19,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526611906] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:19,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:19,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 17:06:19,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061305727] [2022-10-16 17:06:19,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:19,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 17:06:19,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:19,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 17:06:19,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 17:06:19,903 INFO L87 Difference]: Start difference. First operand has 449 states, 387 states have (on average 1.7105943152454781) internal successors, (662), 416 states have internal predecessors, (662), 27 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 5 states, 5 states have (on average 35.4) internal successors, (177), 3 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:06:22,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:22,138 INFO L93 Difference]: Finished difference Result 1038 states and 1675 transitions. [2022-10-16 17:06:22,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 17:06:22,141 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.4) internal successors, (177), 3 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 187 [2022-10-16 17:06:22,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:22,174 INFO L225 Difference]: With dead ends: 1038 [2022-10-16 17:06:22,175 INFO L226 Difference]: Without dead ends: 596 [2022-10-16 17:06:22,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 17:06:22,197 INFO L413 NwaCegarLoop]: 748 mSDtfsCounter, 1145 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1170 SdHoareTripleChecker+Valid, 1255 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:22,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1170 Valid, 1255 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-10-16 17:06:22,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2022-10-16 17:06:22,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 443. [2022-10-16 17:06:22,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 382 states have (on average 1.6282722513089005) internal successors, (622), 410 states have internal predecessors, (622), 27 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2022-10-16 17:06:22,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 676 transitions. [2022-10-16 17:06:22,401 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 676 transitions. Word has length 187 [2022-10-16 17:06:22,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:22,402 INFO L495 AbstractCegarLoop]: Abstraction has 443 states and 676 transitions. [2022-10-16 17:06:22,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.4) internal successors, (177), 3 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:06:22,403 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 676 transitions. [2022-10-16 17:06:22,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-16 17:06:22,417 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:22,418 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:06:22,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 17:06:22,419 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:06:22,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:22,419 INFO L85 PathProgramCache]: Analyzing trace with hash -385777593, now seen corresponding path program 1 times [2022-10-16 17:06:22,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:22,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539838667] [2022-10-16 17:06:22,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:22,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:22,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:06:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:22,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 17:06:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:22,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:06:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:22,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 17:06:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:22,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-16 17:06:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:22,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:06:22,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:22,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539838667] [2022-10-16 17:06:22,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539838667] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:22,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:22,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 17:06:22,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373768316] [2022-10-16 17:06:22,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:22,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 17:06:22,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:22,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 17:06:22,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 17:06:22,923 INFO L87 Difference]: Start difference. First operand 443 states and 676 transitions. Second operand has 6 states, 6 states have (on average 29.5) internal successors, (177), 4 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:06:27,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:27,002 INFO L93 Difference]: Finished difference Result 1613 states and 2525 transitions. [2022-10-16 17:06:27,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 17:06:27,003 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 29.5) internal successors, (177), 4 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 187 [2022-10-16 17:06:27,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:27,015 INFO L225 Difference]: With dead ends: 1613 [2022-10-16 17:06:27,016 INFO L226 Difference]: Without dead ends: 1191 [2022-10-16 17:06:27,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-10-16 17:06:27,020 INFO L413 NwaCegarLoop]: 799 mSDtfsCounter, 1709 mSDsluCounter, 1171 mSDsCounter, 0 mSdLazyCounter, 2161 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1729 SdHoareTripleChecker+Valid, 1970 SdHoareTripleChecker+Invalid, 2281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 2161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:27,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1729 Valid, 1970 Invalid, 2281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 2161 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-10-16 17:06:27,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2022-10-16 17:06:27,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 860. [2022-10-16 17:06:27,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 860 states, 770 states have (on average 1.6376623376623376) internal successors, (1261), 799 states have internal predecessors, (1261), 49 states have call successors, (49), 12 states have call predecessors, (49), 13 states have return successors, (52), 49 states have call predecessors, (52), 49 states have call successors, (52) [2022-10-16 17:06:27,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 860 states and 1362 transitions. [2022-10-16 17:06:27,145 INFO L78 Accepts]: Start accepts. Automaton has 860 states and 1362 transitions. Word has length 187 [2022-10-16 17:06:27,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:27,145 INFO L495 AbstractCegarLoop]: Abstraction has 860 states and 1362 transitions. [2022-10-16 17:06:27,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.5) internal successors, (177), 4 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:06:27,146 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1362 transitions. [2022-10-16 17:06:27,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-16 17:06:27,149 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:27,150 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:06:27,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 17:06:27,150 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:06:27,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:27,151 INFO L85 PathProgramCache]: Analyzing trace with hash -182113213, now seen corresponding path program 1 times [2022-10-16 17:06:27,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:27,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265994448] [2022-10-16 17:06:27,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:27,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:27,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:06:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:27,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 17:06:27,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:27,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:06:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:27,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 17:06:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:27,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-16 17:06:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:27,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:06:27,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:27,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265994448] [2022-10-16 17:06:27,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265994448] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:27,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:27,602 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:06:27,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475553694] [2022-10-16 17:06:27,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:27,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:06:27,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:27,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:06:27,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:06:27,607 INFO L87 Difference]: Start difference. First operand 860 states and 1362 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:06:32,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:32,620 INFO L93 Difference]: Finished difference Result 2621 states and 4192 transitions. [2022-10-16 17:06:32,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 17:06:32,623 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 187 [2022-10-16 17:06:32,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:32,639 INFO L225 Difference]: With dead ends: 2621 [2022-10-16 17:06:32,640 INFO L226 Difference]: Without dead ends: 1782 [2022-10-16 17:06:32,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 17:06:32,655 INFO L413 NwaCegarLoop]: 1161 mSDtfsCounter, 1747 mSDsluCounter, 2369 mSDsCounter, 0 mSdLazyCounter, 3354 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1767 SdHoareTripleChecker+Valid, 3530 SdHoareTripleChecker+Invalid, 3436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 3354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:32,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1767 Valid, 3530 Invalid, 3436 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [82 Valid, 3354 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-10-16 17:06:32,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1782 states. [2022-10-16 17:06:32,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1782 to 1248. [2022-10-16 17:06:32,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1248 states, 1129 states have (on average 1.6315323294951285) internal successors, (1842), 1159 states have internal predecessors, (1842), 71 states have call successors, (71), 18 states have call predecessors, (71), 20 states have return successors, (76), 72 states have call predecessors, (76), 71 states have call successors, (76) [2022-10-16 17:06:32,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1989 transitions. [2022-10-16 17:06:32,901 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1989 transitions. Word has length 187 [2022-10-16 17:06:32,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:32,902 INFO L495 AbstractCegarLoop]: Abstraction has 1248 states and 1989 transitions. [2022-10-16 17:06:32,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:06:32,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1989 transitions. [2022-10-16 17:06:32,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-16 17:06:32,905 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:32,906 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:06:32,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 17:06:32,907 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:06:32,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:32,907 INFO L85 PathProgramCache]: Analyzing trace with hash 316443589, now seen corresponding path program 1 times [2022-10-16 17:06:32,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:32,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596125421] [2022-10-16 17:06:32,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:32,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:33,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:06:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:33,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 17:06:33,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:33,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:06:33,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:33,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 17:06:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:33,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-16 17:06:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:33,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:06:33,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:33,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596125421] [2022-10-16 17:06:33,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596125421] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:33,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:33,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:06:33,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336778194] [2022-10-16 17:06:33,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:33,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:06:33,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:33,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:06:33,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:06:33,368 INFO L87 Difference]: Start difference. First operand 1248 states and 1989 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:06:38,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:38,639 INFO L93 Difference]: Finished difference Result 4107 states and 6631 transitions. [2022-10-16 17:06:38,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 17:06:38,640 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 187 [2022-10-16 17:06:38,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:38,659 INFO L225 Difference]: With dead ends: 4107 [2022-10-16 17:06:38,659 INFO L226 Difference]: Without dead ends: 2880 [2022-10-16 17:06:38,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 17:06:38,666 INFO L413 NwaCegarLoop]: 1149 mSDtfsCounter, 1741 mSDsluCounter, 2369 mSDsCounter, 0 mSdLazyCounter, 3343 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1761 SdHoareTripleChecker+Valid, 3518 SdHoareTripleChecker+Invalid, 3427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 3343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:38,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1761 Valid, 3518 Invalid, 3427 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [84 Valid, 3343 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-10-16 17:06:38,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2880 states. [2022-10-16 17:06:38,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2880 to 2028. [2022-10-16 17:06:38,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2028 states, 1851 states have (on average 1.6266882766072392) internal successors, (3011), 1883 states have internal predecessors, (3011), 115 states have call successors, (115), 30 states have call predecessors, (115), 34 states have return successors, (128), 118 states have call predecessors, (128), 115 states have call successors, (128) [2022-10-16 17:06:38,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2028 states to 2028 states and 3254 transitions. [2022-10-16 17:06:38,988 INFO L78 Accepts]: Start accepts. Automaton has 2028 states and 3254 transitions. Word has length 187 [2022-10-16 17:06:38,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:38,989 INFO L495 AbstractCegarLoop]: Abstraction has 2028 states and 3254 transitions. [2022-10-16 17:06:38,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:06:38,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2028 states and 3254 transitions. [2022-10-16 17:06:39,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-16 17:06:39,004 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:39,005 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:06:39,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 17:06:39,005 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:06:39,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:39,006 INFO L85 PathProgramCache]: Analyzing trace with hash 1720312775, now seen corresponding path program 1 times [2022-10-16 17:06:39,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:39,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527960936] [2022-10-16 17:06:39,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:39,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:39,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:06:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:39,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 17:06:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:39,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:06:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:39,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 17:06:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:39,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-16 17:06:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:39,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:06:39,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:39,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527960936] [2022-10-16 17:06:39,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527960936] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:39,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:39,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:06:39,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467524439] [2022-10-16 17:06:39,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:39,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:06:39,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:39,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:06:39,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:06:39,416 INFO L87 Difference]: Start difference. First operand 2028 states and 3254 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:06:44,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:44,642 INFO L93 Difference]: Finished difference Result 6973 states and 11308 transitions. [2022-10-16 17:06:44,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 17:06:44,644 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 187 [2022-10-16 17:06:44,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:44,677 INFO L225 Difference]: With dead ends: 6973 [2022-10-16 17:06:44,677 INFO L226 Difference]: Without dead ends: 4966 [2022-10-16 17:06:44,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 17:06:44,688 INFO L413 NwaCegarLoop]: 1144 mSDtfsCounter, 1740 mSDsluCounter, 2369 mSDsCounter, 0 mSdLazyCounter, 3335 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1760 SdHoareTripleChecker+Valid, 3513 SdHoareTripleChecker+Invalid, 3419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 3335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:44,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1760 Valid, 3513 Invalid, 3419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 3335 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-10-16 17:06:44,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4966 states. [2022-10-16 17:06:45,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4966 to 3589. [2022-10-16 17:06:45,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3589 states, 3296 states have (on average 1.622876213592233) internal successors, (5349), 3332 states have internal predecessors, (5349), 203 states have call successors, (203), 54 states have call predecessors, (203), 62 states have return successors, (238), 210 states have call predecessors, (238), 203 states have call successors, (238) [2022-10-16 17:06:45,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3589 states to 3589 states and 5790 transitions. [2022-10-16 17:06:45,225 INFO L78 Accepts]: Start accepts. Automaton has 3589 states and 5790 transitions. Word has length 187 [2022-10-16 17:06:45,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:45,226 INFO L495 AbstractCegarLoop]: Abstraction has 3589 states and 5790 transitions. [2022-10-16 17:06:45,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:06:45,226 INFO L276 IsEmpty]: Start isEmpty. Operand 3589 states and 5790 transitions. [2022-10-16 17:06:45,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-16 17:06:45,230 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:45,231 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:06:45,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 17:06:45,232 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:06:45,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:45,232 INFO L85 PathProgramCache]: Analyzing trace with hash 934314885, now seen corresponding path program 1 times [2022-10-16 17:06:45,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:45,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327751528] [2022-10-16 17:06:45,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:45,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:45,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:45,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:06:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:45,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 17:06:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:45,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:06:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:45,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 17:06:45,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:45,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-16 17:06:45,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:45,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:06:45,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:45,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327751528] [2022-10-16 17:06:45,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327751528] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:45,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:45,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:06:45,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432984078] [2022-10-16 17:06:45,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:45,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:06:45,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:45,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:06:45,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:06:45,618 INFO L87 Difference]: Start difference. First operand 3589 states and 5790 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:06:51,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:51,314 INFO L93 Difference]: Finished difference Result 12704 states and 20678 transitions. [2022-10-16 17:06:51,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 17:06:51,315 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 187 [2022-10-16 17:06:51,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:51,371 INFO L225 Difference]: With dead ends: 12704 [2022-10-16 17:06:51,371 INFO L226 Difference]: Without dead ends: 9136 [2022-10-16 17:06:51,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 17:06:51,390 INFO L413 NwaCegarLoop]: 1139 mSDtfsCounter, 1739 mSDsluCounter, 2369 mSDsCounter, 0 mSdLazyCounter, 3327 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1759 SdHoareTripleChecker+Valid, 3508 SdHoareTripleChecker+Invalid, 3411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 3327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-10-16 17:06:51,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1759 Valid, 3508 Invalid, 3411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 3327 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-10-16 17:06:51,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9136 states. [2022-10-16 17:06:52,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9136 to 6718. [2022-10-16 17:06:52,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6718 states, 6193 states have (on average 1.6203778459551106) internal successors, (10035), 6237 states have internal predecessors, (10035), 379 states have call successors, (379), 102 states have call predecessors, (379), 118 states have return successors, (476), 394 states have call predecessors, (476), 379 states have call successors, (476) [2022-10-16 17:06:52,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6718 states to 6718 states and 10890 transitions. [2022-10-16 17:06:52,679 INFO L78 Accepts]: Start accepts. Automaton has 6718 states and 10890 transitions. Word has length 187 [2022-10-16 17:06:52,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:06:52,680 INFO L495 AbstractCegarLoop]: Abstraction has 6718 states and 10890 transitions. [2022-10-16 17:06:52,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:06:52,681 INFO L276 IsEmpty]: Start isEmpty. Operand 6718 states and 10890 transitions. [2022-10-16 17:06:52,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-16 17:06:52,687 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:06:52,688 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:06:52,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 17:06:52,689 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:06:52,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:06:52,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1601696775, now seen corresponding path program 1 times [2022-10-16 17:06:52,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:06:52,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818716377] [2022-10-16 17:06:52,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:06:52,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:06:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:52,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:06:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:52,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 17:06:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:52,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:06:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:53,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 17:06:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:53,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-16 17:06:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:06:53,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:06:53,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:06:53,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818716377] [2022-10-16 17:06:53,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818716377] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:06:53,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:06:53,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:06:53,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249472364] [2022-10-16 17:06:53,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:06:53,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:06:53,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:06:53,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:06:53,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:06:53,034 INFO L87 Difference]: Start difference. First operand 6718 states and 10890 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:06:59,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:06:59,883 INFO L93 Difference]: Finished difference Result 24167 states and 39480 transitions. [2022-10-16 17:06:59,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 17:06:59,885 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 187 [2022-10-16 17:06:59,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:06:59,970 INFO L225 Difference]: With dead ends: 24167 [2022-10-16 17:06:59,971 INFO L226 Difference]: Without dead ends: 17470 [2022-10-16 17:07:00,002 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 17:07:00,004 INFO L413 NwaCegarLoop]: 834 mSDtfsCounter, 1848 mSDsluCounter, 1521 mSDsCounter, 0 mSdLazyCounter, 2958 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1868 SdHoareTripleChecker+Valid, 2355 SdHoareTripleChecker+Invalid, 3080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 2958 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-10-16 17:07:00,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1868 Valid, 2355 Invalid, 3080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 2958 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-10-16 17:07:00,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17470 states. [2022-10-16 17:07:01,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17470 to 12991. [2022-10-16 17:07:02,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12991 states, 12002 states have (on average 1.6188135310781537) internal successors, (19429), 12062 states have internal predecessors, (19429), 731 states have call successors, (731), 198 states have call predecessors, (731), 230 states have return successors, (1006), 762 states have call predecessors, (1006), 731 states have call successors, (1006) [2022-10-16 17:07:02,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12991 states to 12991 states and 21166 transitions. [2022-10-16 17:07:02,074 INFO L78 Accepts]: Start accepts. Automaton has 12991 states and 21166 transitions. Word has length 187 [2022-10-16 17:07:02,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:07:02,074 INFO L495 AbstractCegarLoop]: Abstraction has 12991 states and 21166 transitions. [2022-10-16 17:07:02,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:07:02,075 INFO L276 IsEmpty]: Start isEmpty. Operand 12991 states and 21166 transitions. [2022-10-16 17:07:02,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-16 17:07:02,084 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:07:02,085 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:07:02,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 17:07:02,085 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:07:02,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:07:02,086 INFO L85 PathProgramCache]: Analyzing trace with hash -593532091, now seen corresponding path program 1 times [2022-10-16 17:07:02,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:07:02,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862772384] [2022-10-16 17:07:02,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:07:02,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:07:02,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:02,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:07:02,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:02,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 17:07:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:02,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:07:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:02,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 17:07:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:02,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-16 17:07:02,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:02,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:07:02,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:07:02,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862772384] [2022-10-16 17:07:02,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862772384] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:07:02,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:07:02,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:07:02,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236246613] [2022-10-16 17:07:02,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:07:02,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:07:02,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:07:02,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:07:02,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:07:02,402 INFO L87 Difference]: Start difference. First operand 12991 states and 21166 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:07:12,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:07:12,298 INFO L93 Difference]: Finished difference Result 47094 states and 77278 transitions. [2022-10-16 17:07:12,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 17:07:12,300 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 187 [2022-10-16 17:07:12,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:07:12,466 INFO L225 Difference]: With dead ends: 47094 [2022-10-16 17:07:12,467 INFO L226 Difference]: Without dead ends: 34124 [2022-10-16 17:07:12,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 17:07:12,546 INFO L413 NwaCegarLoop]: 1129 mSDtfsCounter, 1737 mSDsluCounter, 2369 mSDsCounter, 0 mSdLazyCounter, 3311 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1757 SdHoareTripleChecker+Valid, 3498 SdHoareTripleChecker+Invalid, 3395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 3311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-10-16 17:07:12,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1757 Valid, 3498 Invalid, 3395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 3311 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-10-16 17:07:12,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34124 states. [2022-10-16 17:07:16,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34124 to 25568. [2022-10-16 17:07:16,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25568 states, 23651 states have (on average 1.6178174284385438) internal successors, (38263), 23743 states have internal predecessors, (38263), 1435 states have call successors, (1435), 390 states have call predecessors, (1435), 454 states have return successors, (2228), 1498 states have call predecessors, (2228), 1435 states have call successors, (2228) [2022-10-16 17:07:16,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25568 states to 25568 states and 41926 transitions. [2022-10-16 17:07:16,358 INFO L78 Accepts]: Start accepts. Automaton has 25568 states and 41926 transitions. Word has length 187 [2022-10-16 17:07:16,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:07:16,358 INFO L495 AbstractCegarLoop]: Abstraction has 25568 states and 41926 transitions. [2022-10-16 17:07:16,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:07:16,359 INFO L276 IsEmpty]: Start isEmpty. Operand 25568 states and 41926 transitions. [2022-10-16 17:07:16,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-16 17:07:16,375 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:07:16,375 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:07:16,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 17:07:16,376 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:07:16,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:07:16,376 INFO L85 PathProgramCache]: Analyzing trace with hash -248703929, now seen corresponding path program 1 times [2022-10-16 17:07:16,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:07:16,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283687333] [2022-10-16 17:07:16,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:07:16,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:07:16,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:16,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:07:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:16,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 17:07:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:16,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:07:16,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:16,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 17:07:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:16,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-16 17:07:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:16,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:07:16,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:07:16,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283687333] [2022-10-16 17:07:16,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283687333] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:07:16,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:07:16,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:07:16,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406399333] [2022-10-16 17:07:16,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:07:16,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:07:16,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:07:16,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:07:16,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:07:16,689 INFO L87 Difference]: Start difference. First operand 25568 states and 41926 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:07:31,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:07:31,937 INFO L93 Difference]: Finished difference Result 92949 states and 153476 transitions. [2022-10-16 17:07:31,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 17:07:31,937 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 187 [2022-10-16 17:07:31,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:07:32,277 INFO L225 Difference]: With dead ends: 92949 [2022-10-16 17:07:32,278 INFO L226 Difference]: Without dead ends: 67402 [2022-10-16 17:07:32,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 17:07:32,386 INFO L413 NwaCegarLoop]: 1124 mSDtfsCounter, 1736 mSDsluCounter, 2369 mSDsCounter, 0 mSdLazyCounter, 3303 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1756 SdHoareTripleChecker+Valid, 3493 SdHoareTripleChecker+Invalid, 3387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 3303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-10-16 17:07:32,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1756 Valid, 3493 Invalid, 3387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 3303 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-10-16 17:07:32,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67402 states. [2022-10-16 17:07:39,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67402 to 50785. [2022-10-16 17:07:39,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50785 states, 47012 states have (on average 1.6171403046030801) internal successors, (76025), 47168 states have internal predecessors, (76025), 2843 states have call successors, (2843), 774 states have call predecessors, (2843), 902 states have return successors, (5158), 2970 states have call predecessors, (5158), 2843 states have call successors, (5158) [2022-10-16 17:07:39,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50785 states to 50785 states and 84026 transitions. [2022-10-16 17:07:39,834 INFO L78 Accepts]: Start accepts. Automaton has 50785 states and 84026 transitions. Word has length 187 [2022-10-16 17:07:39,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:07:39,834 INFO L495 AbstractCegarLoop]: Abstraction has 50785 states and 84026 transitions. [2022-10-16 17:07:39,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:07:39,835 INFO L276 IsEmpty]: Start isEmpty. Operand 50785 states and 84026 transitions. [2022-10-16 17:07:39,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-16 17:07:39,862 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:07:39,862 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:07:39,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 17:07:39,862 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:07:39,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:07:39,863 INFO L85 PathProgramCache]: Analyzing trace with hash 732250885, now seen corresponding path program 1 times [2022-10-16 17:07:39,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:07:39,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197642773] [2022-10-16 17:07:39,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:07:39,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:07:39,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:39,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:07:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:40,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 17:07:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:40,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:07:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:40,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 17:07:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:40,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-16 17:07:40,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:07:40,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:07:40,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:07:40,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197642773] [2022-10-16 17:07:40,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197642773] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:07:40,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:07:40,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:07:40,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490425277] [2022-10-16 17:07:40,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:07:40,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:07:40,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:07:40,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:07:40,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:07:40,397 INFO L87 Difference]: Start difference. First operand 50785 states and 84026 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:08:05,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:08:05,879 INFO L93 Difference]: Finished difference Result 184660 states and 307722 transitions. [2022-10-16 17:08:05,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 17:08:05,880 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 187 [2022-10-16 17:08:05,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:08:06,960 INFO L225 Difference]: With dead ends: 184660 [2022-10-16 17:08:06,960 INFO L226 Difference]: Without dead ends: 133896 [2022-10-16 17:08:07,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 17:08:07,157 INFO L413 NwaCegarLoop]: 1117 mSDtfsCounter, 1738 mSDsluCounter, 2369 mSDsCounter, 0 mSdLazyCounter, 3292 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1758 SdHoareTripleChecker+Valid, 3486 SdHoareTripleChecker+Invalid, 3379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 3292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-10-16 17:08:07,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1758 Valid, 3486 Invalid, 3379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 3292 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-10-16 17:08:07,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133896 states. [2022-10-16 17:08:21,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133896 to 101346. [2022-10-16 17:08:21,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101346 states, 93861 states have (on average 1.6166352372124737) internal successors, (151739), 94145 states have internal predecessors, (151739), 5659 states have call successors, (5659), 1542 states have call predecessors, (5659), 1798 states have return successors, (12476), 5914 states have call predecessors, (12476), 5659 states have call successors, (12476) [2022-10-16 17:08:22,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101346 states to 101346 states and 169874 transitions. [2022-10-16 17:08:22,296 INFO L78 Accepts]: Start accepts. Automaton has 101346 states and 169874 transitions. Word has length 187 [2022-10-16 17:08:22,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:08:22,296 INFO L495 AbstractCegarLoop]: Abstraction has 101346 states and 169874 transitions. [2022-10-16 17:08:22,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:08:22,297 INFO L276 IsEmpty]: Start isEmpty. Operand 101346 states and 169874 transitions. [2022-10-16 17:08:22,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-10-16 17:08:22,929 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:08:22,929 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:08:22,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 17:08:22,930 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2022-10-16 17:08:22,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:08:22,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1037220729, now seen corresponding path program 1 times [2022-10-16 17:08:22,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:08:22,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115187018] [2022-10-16 17:08:22,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:08:22,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:08:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:08:23,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-16 17:08:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:08:23,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-10-16 17:08:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:08:23,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-16 17:08:23,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:08:23,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-16 17:08:23,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:08:23,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-16 17:08:23,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:08:23,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 17:08:23,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:08:23,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115187018] [2022-10-16 17:08:23,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115187018] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:08:23,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:08:23,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 17:08:23,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367460566] [2022-10-16 17:08:23,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:08:23,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 17:08:23,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:08:23,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 17:08:23,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 17:08:23,259 INFO L87 Difference]: Start difference. First operand 101346 states and 169874 transitions. Second operand has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 17:09:12,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:09:12,871 INFO L93 Difference]: Finished difference Result 367825 states and 621340 transitions. [2022-10-16 17:09:12,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 17:09:12,872 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.285714285714285) internal successors, (177), 5 states have internal predecessors, (177), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 187 [2022-10-16 17:09:12,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:09:14,831 INFO L225 Difference]: With dead ends: 367825 [2022-10-16 17:09:14,831 INFO L226 Difference]: Without dead ends: 266500 [2022-10-16 17:09:15,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2022-10-16 17:09:15,218 INFO L413 NwaCegarLoop]: 1108 mSDtfsCounter, 1733 mSDsluCounter, 2369 mSDsCounter, 0 mSdLazyCounter, 3274 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1753 SdHoareTripleChecker+Valid, 3477 SdHoareTripleChecker+Invalid, 3361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 3274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-10-16 17:09:15,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1753 Valid, 3477 Invalid, 3361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 3274 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-10-16 17:09:15,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266500 states.