/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf -i ../../../trunk/examples/svcomp/systemc/toy1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 06:06:45,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 06:06:45,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 06:06:45,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-11 06:06:45,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-11 06:06:45,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-11 06:06:45,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-11 06:06:45,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-11 06:06:45,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-11 06:06:45,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-11 06:06:45,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-11 06:06:45,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-11 06:06:45,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 06:06:45,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 06:06:45,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 06:06:45,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 06:06:45,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 06:06:45,352 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 06:06:45,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 06:06:45,355 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 06:06:45,370 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 06:06:45,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 06:06:45,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 06:06:45,380 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 06:06:45,382 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-11 06:06:45,383 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-11 06:06:45,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-11 06:06:45,384 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-11 06:06:45,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-11 06:06:45,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-11 06:06:45,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-11 06:06:45,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-11 06:06:45,387 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-11 06:06:45,387 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-11 06:06:45,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-11 06:06:45,389 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-11 06:06:45,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-11 06:06:45,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-11 06:06:45,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 06:06:45,390 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 06:06:45,391 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 06:06:45,407 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf [2022-01-11 06:06:45,424 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 06:06:45,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 06:06:45,425 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 06:06:45,425 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 06:06:45,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 06:06:45,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 06:06:45,427 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 06:06:45,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 06:06:45,427 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 06:06:45,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 06:06:45,428 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 06:06:45,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 06:06:45,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 06:06:45,429 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 06:06:45,429 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 06:06:45,429 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 06:06:45,429 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 06:06:45,430 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 06:06:45,430 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 06:06:45,430 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 06:06:45,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 06:06:45,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 06:06:45,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 06:06:45,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 06:06:45,431 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 06:06:45,431 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 06:06:45,431 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 06:06:45,431 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 06:06:45,431 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 06:06:45,431 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 06:06:45,431 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 06:06:45,432 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 06:06:45,433 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 06:06:45,433 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_SUM 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 06:06:45,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 06:06:45,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 06:06:45,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 06:06:45,689 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 06:06:45,691 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 06:06:45,692 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/toy1.cil.c [2022-01-11 06:06:45,783 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8efb2d7d/1e809354b0194c8ba6aad01344362e5f/FLAG6d37d5425 [2022-01-11 06:06:46,219 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 06:06:46,220 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/toy1.cil.c [2022-01-11 06:06:46,241 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8efb2d7d/1e809354b0194c8ba6aad01344362e5f/FLAG6d37d5425 [2022-01-11 06:06:46,745 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8efb2d7d/1e809354b0194c8ba6aad01344362e5f [2022-01-11 06:06:46,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 06:06:46,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 06:06:46,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 06:06:46,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 06:06:46,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 06:06:46,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 06:06:46" (1/1) ... [2022-01-11 06:06:46,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54ea1f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:06:46, skipping insertion in model container [2022-01-11 06:06:46,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 06:06:46" (1/1) ... [2022-01-11 06:06:46,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 06:06:46,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 06:06:46,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/systemc/toy1.cil.c[698,711] [2022-01-11 06:06:47,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 06:06:47,047 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 06:06:47,058 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/systemc/toy1.cil.c[698,711] [2022-01-11 06:06:47,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 06:06:47,103 INFO L208 MainTranslator]: Completed translation [2022-01-11 06:06:47,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:06:47 WrapperNode [2022-01-11 06:06:47,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 06:06:47,106 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 06:06:47,106 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 06:06:47,106 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 06:06:47,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:06:47" (1/1) ... [2022-01-11 06:06:47,123 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:06:47" (1/1) ... [2022-01-11 06:06:47,193 INFO L137 Inliner]: procedures = 20, calls = 16, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 363 [2022-01-11 06:06:47,193 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 06:06:47,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 06:06:47,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 06:06:47,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 06:06:47,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:06:47" (1/1) ... [2022-01-11 06:06:47,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:06:47" (1/1) ... [2022-01-11 06:06:47,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:06:47" (1/1) ... [2022-01-11 06:06:47,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:06:47" (1/1) ... [2022-01-11 06:06:47,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:06:47" (1/1) ... [2022-01-11 06:06:47,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:06:47" (1/1) ... [2022-01-11 06:06:47,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:06:47" (1/1) ... [2022-01-11 06:06:47,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 06:06:47,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 06:06:47,248 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 06:06:47,248 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 06:06:47,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:06:47" (1/1) ... [2022-01-11 06:06:47,278 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 06:06:47,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 06:06:47,324 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) [2022-01-11 06:06:47,339 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 [2022-01-11 06:06:47,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 06:06:47,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 06:06:47,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 06:06:47,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 06:06:47,454 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 06:06:47,455 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 06:06:47,901 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 06:06:47,908 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 06:06:47,909 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2022-01-11 06:06:47,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 06:06:47 BoogieIcfgContainer [2022-01-11 06:06:47,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 06:06:47,912 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 06:06:47,912 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 06:06:47,913 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 06:06:47,916 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 06:06:47" (1/1) ... [2022-01-11 06:06:48,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 06:06:48 BasicIcfg [2022-01-11 06:06:48,047 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 06:06:48,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 06:06:48,049 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 06:06:48,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 06:06:48,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 06:06:46" (1/4) ... [2022-01-11 06:06:48,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@148879be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 06:06:48, skipping insertion in model container [2022-01-11 06:06:48,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:06:47" (2/4) ... [2022-01-11 06:06:48,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@148879be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 06:06:48, skipping insertion in model container [2022-01-11 06:06:48,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 06:06:47" (3/4) ... [2022-01-11 06:06:48,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@148879be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 06:06:48, skipping insertion in model container [2022-01-11 06:06:48,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 06:06:48" (4/4) ... [2022-01-11 06:06:48,054 INFO L111 eAbstractionObserver]: Analyzing ICFG toy1.cil.cTransformedIcfg [2022-01-11 06:06:48,058 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 06:06:48,058 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-01-11 06:06:48,100 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 06:06:48,106 INFO L339 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=PETRI_NET, 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, mLoopAccelerationTechnique=FAST_UPR [2022-01-11 06:06:48,106 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-11 06:06:48,131 INFO L276 IsEmpty]: Start isEmpty. Operand has 136 states, 133 states have (on average 1.8345864661654134) internal successors, (244), 135 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:48,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-01-11 06:06:48,138 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:06:48,139 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:06:48,139 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:06:48,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:06:48,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1016088937, now seen corresponding path program 1 times [2022-01-11 06:06:48,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:06:48,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999479165] [2022-01-11 06:06:48,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:06:48,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:06:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:06:48,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 06:06:48,452 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:06:48,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999479165] [2022-01-11 06:06:48,453 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999479165] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:06:48,454 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:06:48,454 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 06:06:48,455 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624252519] [2022-01-11 06:06:48,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:06:48,463 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 06:06:48,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:06:48,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 06:06:48,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:06:48,505 INFO L87 Difference]: Start difference. First operand has 136 states, 133 states have (on average 1.8345864661654134) internal successors, (244), 135 states have internal predecessors, (244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:48,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:06:48,578 INFO L93 Difference]: Finished difference Result 260 states and 469 transitions. [2022-01-11 06:06:48,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 06:06:48,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-01-11 06:06:48,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:06:48,598 INFO L225 Difference]: With dead ends: 260 [2022-01-11 06:06:48,599 INFO L226 Difference]: Without dead ends: 130 [2022-01-11 06:06:48,602 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:06:48,606 INFO L933 BasicCegarLoop]: 226 mSDtfsCounter, 220 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 06:06:48,607 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [220 Valid, 226 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 06:06:48,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2022-01-11 06:06:48,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2022-01-11 06:06:48,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 128 states have (on average 1.7421875) internal successors, (223), 129 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:48,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 223 transitions. [2022-01-11 06:06:48,675 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 223 transitions. Word has length 36 [2022-01-11 06:06:48,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:06:48,676 INFO L470 AbstractCegarLoop]: Abstraction has 130 states and 223 transitions. [2022-01-11 06:06:48,676 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:48,676 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 223 transitions. [2022-01-11 06:06:48,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-01-11 06:06:48,677 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:06:48,678 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:06:48,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-11 06:06:48,678 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:06:48,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:06:48,679 INFO L85 PathProgramCache]: Analyzing trace with hash -322987240, now seen corresponding path program 1 times [2022-01-11 06:06:48,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:06:48,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828899218] [2022-01-11 06:06:48,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:06:48,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:06:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:06:48,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 06:06:48,787 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:06:48,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828899218] [2022-01-11 06:06:48,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828899218] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:06:48,787 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:06:48,787 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 06:06:48,787 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914726207] [2022-01-11 06:06:48,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:06:48,789 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 06:06:48,789 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:06:48,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 06:06:48,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:06:48,790 INFO L87 Difference]: Start difference. First operand 130 states and 223 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:48,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:06:48,895 INFO L93 Difference]: Finished difference Result 372 states and 639 transitions. [2022-01-11 06:06:48,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 06:06:48,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-01-11 06:06:48,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:06:48,898 INFO L225 Difference]: With dead ends: 372 [2022-01-11 06:06:48,898 INFO L226 Difference]: Without dead ends: 256 [2022-01-11 06:06:48,899 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:06:48,901 INFO L933 BasicCegarLoop]: 219 mSDtfsCounter, 204 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 06:06:48,901 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 423 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 06:06:48,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-01-11 06:06:48,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 252. [2022-01-11 06:06:48,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 250 states have (on average 1.728) internal successors, (432), 251 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:48,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 432 transitions. [2022-01-11 06:06:48,949 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 432 transitions. Word has length 36 [2022-01-11 06:06:48,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:06:48,950 INFO L470 AbstractCegarLoop]: Abstraction has 252 states and 432 transitions. [2022-01-11 06:06:48,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:48,951 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 432 transitions. [2022-01-11 06:06:48,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-01-11 06:06:48,954 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:06:48,955 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:06:48,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-11 06:06:48,955 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:06:48,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:06:48,956 INFO L85 PathProgramCache]: Analyzing trace with hash 392139735, now seen corresponding path program 1 times [2022-01-11 06:06:48,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:06:48,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964608707] [2022-01-11 06:06:48,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:06:48,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:06:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:06:49,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 06:06:49,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:06:49,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964608707] [2022-01-11 06:06:49,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964608707] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:06:49,100 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:06:49,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-11 06:06:49,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792025866] [2022-01-11 06:06:49,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:06:49,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-11 06:06:49,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:06:49,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-11 06:06:49,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-11 06:06:49,104 INFO L87 Difference]: Start difference. First operand 252 states and 432 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:49,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:06:49,213 INFO L93 Difference]: Finished difference Result 584 states and 993 transitions. [2022-01-11 06:06:49,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-11 06:06:49,213 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-01-11 06:06:49,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:06:49,219 INFO L225 Difference]: With dead ends: 584 [2022-01-11 06:06:49,219 INFO L226 Difference]: Without dead ends: 352 [2022-01-11 06:06:49,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-11 06:06:49,230 INFO L933 BasicCegarLoop]: 222 mSDtfsCounter, 212 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 06:06:49,231 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [212 Valid, 588 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 06:06:49,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2022-01-11 06:06:49,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 348. [2022-01-11 06:06:49,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 346 states have (on average 1.7052023121387283) internal successors, (590), 347 states have internal predecessors, (590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:49,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 590 transitions. [2022-01-11 06:06:49,274 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 590 transitions. Word has length 36 [2022-01-11 06:06:49,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:06:49,274 INFO L470 AbstractCegarLoop]: Abstraction has 348 states and 590 transitions. [2022-01-11 06:06:49,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:49,275 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 590 transitions. [2022-01-11 06:06:49,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-01-11 06:06:49,280 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:06:49,280 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:06:49,280 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-11 06:06:49,280 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:06:49,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:06:49,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1353753752, now seen corresponding path program 1 times [2022-01-11 06:06:49,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:06:49,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636713559] [2022-01-11 06:06:49,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:06:49,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:06:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:06:49,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 06:06:49,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:06:49,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636713559] [2022-01-11 06:06:49,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636713559] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:06:49,423 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:06:49,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-11 06:06:49,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143243117] [2022-01-11 06:06:49,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:06:49,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-11 06:06:49,424 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:06:49,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-11 06:06:49,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-11 06:06:49,425 INFO L87 Difference]: Start difference. First operand 348 states and 590 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:49,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:06:49,533 INFO L93 Difference]: Finished difference Result 966 states and 1635 transitions. [2022-01-11 06:06:49,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-11 06:06:49,534 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-01-11 06:06:49,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:06:49,537 INFO L225 Difference]: With dead ends: 966 [2022-01-11 06:06:49,537 INFO L226 Difference]: Without dead ends: 636 [2022-01-11 06:06:49,538 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-11 06:06:49,539 INFO L933 BasicCegarLoop]: 347 mSDtfsCounter, 185 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 06:06:49,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [185 Valid, 682 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 06:06:49,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2022-01-11 06:06:49,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 614. [2022-01-11 06:06:49,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 612 states have (on average 1.7009803921568627) internal successors, (1041), 613 states have internal predecessors, (1041), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:49,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 1041 transitions. [2022-01-11 06:06:49,570 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 1041 transitions. Word has length 36 [2022-01-11 06:06:49,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:06:49,571 INFO L470 AbstractCegarLoop]: Abstraction has 614 states and 1041 transitions. [2022-01-11 06:06:49,571 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:49,571 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 1041 transitions. [2022-01-11 06:06:49,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-01-11 06:06:49,572 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:06:49,572 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:06:49,573 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-11 06:06:49,573 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:06:49,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:06:49,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1099017207, now seen corresponding path program 1 times [2022-01-11 06:06:49,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:06:49,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461072377] [2022-01-11 06:06:49,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:06:49,574 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:06:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:06:49,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 06:06:49,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:06:49,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461072377] [2022-01-11 06:06:49,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461072377] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:06:49,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:06:49,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-11 06:06:49,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147663596] [2022-01-11 06:06:49,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:06:49,656 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-11 06:06:49,656 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:06:49,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-11 06:06:49,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-11 06:06:49,657 INFO L87 Difference]: Start difference. First operand 614 states and 1041 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:49,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:06:49,764 INFO L93 Difference]: Finished difference Result 1711 states and 2898 transitions. [2022-01-11 06:06:49,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-11 06:06:49,765 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-01-11 06:06:49,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:06:49,770 INFO L225 Difference]: With dead ends: 1711 [2022-01-11 06:06:49,770 INFO L226 Difference]: Without dead ends: 1119 [2022-01-11 06:06:49,772 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-11 06:06:49,774 INFO L933 BasicCegarLoop]: 352 mSDtfsCounter, 200 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 06:06:49,775 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [200 Valid, 646 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 06:06:49,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2022-01-11 06:06:49,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 1082. [2022-01-11 06:06:49,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1082 states, 1080 states have (on average 1.6833333333333333) internal successors, (1818), 1081 states have internal predecessors, (1818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:49,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1818 transitions. [2022-01-11 06:06:49,839 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1818 transitions. Word has length 36 [2022-01-11 06:06:49,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:06:49,840 INFO L470 AbstractCegarLoop]: Abstraction has 1082 states and 1818 transitions. [2022-01-11 06:06:49,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:49,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1818 transitions. [2022-01-11 06:06:49,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-01-11 06:06:49,851 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:06:49,852 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:06:49,852 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-11 06:06:49,852 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:06:49,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:06:49,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1130037014, now seen corresponding path program 1 times [2022-01-11 06:06:49,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:06:49,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366969602] [2022-01-11 06:06:49,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:06:49,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:06:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:06:49,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 06:06:49,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:06:49,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366969602] [2022-01-11 06:06:49,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366969602] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:06:49,913 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:06:49,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 06:06:49,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226722151] [2022-01-11 06:06:49,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:06:49,914 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 06:06:49,914 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:06:49,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 06:06:49,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:06:49,915 INFO L87 Difference]: Start difference. First operand 1082 states and 1818 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:49,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:06:49,995 INFO L93 Difference]: Finished difference Result 3114 states and 5234 transitions. [2022-01-11 06:06:49,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 06:06:49,995 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-01-11 06:06:49,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:06:50,043 INFO L225 Difference]: With dead ends: 3114 [2022-01-11 06:06:50,044 INFO L226 Difference]: Without dead ends: 2061 [2022-01-11 06:06:50,046 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:06:50,048 INFO L933 BasicCegarLoop]: 212 mSDtfsCounter, 201 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 06:06:50,050 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [201 Valid, 368 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 06:06:50,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2061 states. [2022-01-11 06:06:50,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2061 to 2045. [2022-01-11 06:06:50,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2045 states, 2043 states have (on average 1.6568771414586392) internal successors, (3385), 2044 states have internal predecessors, (3385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:50,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2045 states to 2045 states and 3385 transitions. [2022-01-11 06:06:50,137 INFO L78 Accepts]: Start accepts. Automaton has 2045 states and 3385 transitions. Word has length 36 [2022-01-11 06:06:50,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:06:50,140 INFO L470 AbstractCegarLoop]: Abstraction has 2045 states and 3385 transitions. [2022-01-11 06:06:50,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:50,140 INFO L276 IsEmpty]: Start isEmpty. Operand 2045 states and 3385 transitions. [2022-01-11 06:06:50,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-01-11 06:06:50,143 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:06:50,143 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:06:50,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-11 06:06:50,143 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:06:50,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:06:50,144 INFO L85 PathProgramCache]: Analyzing trace with hash 195190164, now seen corresponding path program 1 times [2022-01-11 06:06:50,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:06:50,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132576786] [2022-01-11 06:06:50,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:06:50,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:06:50,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:06:50,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 06:06:50,246 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:06:50,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132576786] [2022-01-11 06:06:50,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132576786] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:06:50,246 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:06:50,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-11 06:06:50,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407858048] [2022-01-11 06:06:50,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:06:50,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-11 06:06:50,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:06:50,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-11 06:06:50,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-11 06:06:50,248 INFO L87 Difference]: Start difference. First operand 2045 states and 3385 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:50,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:06:50,406 INFO L93 Difference]: Finished difference Result 4334 states and 7226 transitions. [2022-01-11 06:06:50,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-11 06:06:50,407 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-01-11 06:06:50,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:06:50,417 INFO L225 Difference]: With dead ends: 4334 [2022-01-11 06:06:50,418 INFO L226 Difference]: Without dead ends: 2360 [2022-01-11 06:06:50,421 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-11 06:06:50,422 INFO L933 BasicCegarLoop]: 200 mSDtfsCounter, 488 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 06:06:50,423 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [488 Valid, 427 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 06:06:50,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2360 states. [2022-01-11 06:06:50,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2360 to 2356. [2022-01-11 06:06:50,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2356 states, 2354 states have (on average 1.651231945624469) internal successors, (3887), 2355 states have internal predecessors, (3887), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:50,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2356 states to 2356 states and 3887 transitions. [2022-01-11 06:06:50,558 INFO L78 Accepts]: Start accepts. Automaton has 2356 states and 3887 transitions. Word has length 36 [2022-01-11 06:06:50,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:06:50,559 INFO L470 AbstractCegarLoop]: Abstraction has 2356 states and 3887 transitions. [2022-01-11 06:06:50,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:50,559 INFO L276 IsEmpty]: Start isEmpty. Operand 2356 states and 3887 transitions. [2022-01-11 06:06:50,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-01-11 06:06:50,561 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:06:50,561 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:06:50,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-11 06:06:50,561 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:06:50,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:06:50,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1702741973, now seen corresponding path program 1 times [2022-01-11 06:06:50,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:06:50,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315771414] [2022-01-11 06:06:50,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:06:50,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:06:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:06:50,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 06:06:50,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:06:50,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315771414] [2022-01-11 06:06:50,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315771414] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:06:50,626 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:06:50,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-11 06:06:50,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347408091] [2022-01-11 06:06:50,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:06:50,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-11 06:06:50,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:06:50,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-11 06:06:50,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-11 06:06:50,627 INFO L87 Difference]: Start difference. First operand 2356 states and 3887 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:50,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:06:50,775 INFO L93 Difference]: Finished difference Result 5039 states and 8369 transitions. [2022-01-11 06:06:50,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-11 06:06:50,776 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-01-11 06:06:50,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:06:50,786 INFO L225 Difference]: With dead ends: 5039 [2022-01-11 06:06:50,786 INFO L226 Difference]: Without dead ends: 2636 [2022-01-11 06:06:50,790 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-11 06:06:50,790 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 401 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 06:06:50,791 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [401 Valid, 535 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 06:06:50,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2636 states. [2022-01-11 06:06:50,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2636 to 2532. [2022-01-11 06:06:50,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2532 states, 2530 states have (on average 1.6359683794466404) internal successors, (4139), 2531 states have internal predecessors, (4139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:50,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2532 states to 2532 states and 4139 transitions. [2022-01-11 06:06:50,923 INFO L78 Accepts]: Start accepts. Automaton has 2532 states and 4139 transitions. Word has length 36 [2022-01-11 06:06:50,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:06:50,925 INFO L470 AbstractCegarLoop]: Abstraction has 2532 states and 4139 transitions. [2022-01-11 06:06:50,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:50,925 INFO L276 IsEmpty]: Start isEmpty. Operand 2532 states and 4139 transitions. [2022-01-11 06:06:50,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-01-11 06:06:50,927 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:06:50,927 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:06:50,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-11 06:06:50,927 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:06:50,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:06:50,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1192207796, now seen corresponding path program 1 times [2022-01-11 06:06:50,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:06:50,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354639058] [2022-01-11 06:06:50,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:06:50,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:06:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:06:51,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 06:06:51,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:06:51,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354639058] [2022-01-11 06:06:51,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354639058] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:06:51,013 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:06:51,013 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-11 06:06:51,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738154840] [2022-01-11 06:06:51,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:06:51,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-11 06:06:51,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:06:51,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-11 06:06:51,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-11 06:06:51,016 INFO L87 Difference]: Start difference. First operand 2532 states and 4139 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:51,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:06:51,173 INFO L93 Difference]: Finished difference Result 5563 states and 9168 transitions. [2022-01-11 06:06:51,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-11 06:06:51,174 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-01-11 06:06:51,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:06:51,187 INFO L225 Difference]: With dead ends: 5563 [2022-01-11 06:06:51,188 INFO L226 Difference]: Without dead ends: 3024 [2022-01-11 06:06:51,193 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-01-11 06:06:51,196 INFO L933 BasicCegarLoop]: 228 mSDtfsCounter, 240 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 06:06:51,196 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [240 Valid, 672 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 06:06:51,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3024 states. [2022-01-11 06:06:51,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3024 to 2822. [2022-01-11 06:06:51,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2822 states, 2820 states have (on average 1.626950354609929) internal successors, (4588), 2821 states have internal predecessors, (4588), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:51,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2822 states to 2822 states and 4588 transitions. [2022-01-11 06:06:51,315 INFO L78 Accepts]: Start accepts. Automaton has 2822 states and 4588 transitions. Word has length 36 [2022-01-11 06:06:51,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:06:51,317 INFO L470 AbstractCegarLoop]: Abstraction has 2822 states and 4588 transitions. [2022-01-11 06:06:51,317 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:51,317 INFO L276 IsEmpty]: Start isEmpty. Operand 2822 states and 4588 transitions. [2022-01-11 06:06:51,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-01-11 06:06:51,321 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:06:51,321 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:06:51,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-11 06:06:51,321 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:06:51,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:06:51,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1749449803, now seen corresponding path program 1 times [2022-01-11 06:06:51,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:06:51,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998761888] [2022-01-11 06:06:51,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:06:51,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:06:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:06:51,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 06:06:51,366 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:06:51,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998761888] [2022-01-11 06:06:51,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998761888] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:06:51,366 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:06:51,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 06:06:51,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129309804] [2022-01-11 06:06:51,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:06:51,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 06:06:51,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:06:51,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 06:06:51,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:06:51,368 INFO L87 Difference]: Start difference. First operand 2822 states and 4588 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:51,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:06:51,513 INFO L93 Difference]: Finished difference Result 6732 states and 10930 transitions. [2022-01-11 06:06:51,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 06:06:51,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-01-11 06:06:51,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:06:51,527 INFO L225 Difference]: With dead ends: 6732 [2022-01-11 06:06:51,528 INFO L226 Difference]: Without dead ends: 3938 [2022-01-11 06:06:51,533 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:06:51,533 INFO L933 BasicCegarLoop]: 201 mSDtfsCounter, 139 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 06:06:51,534 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 346 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 06:06:51,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3938 states. [2022-01-11 06:06:51,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3938 to 3925. [2022-01-11 06:06:51,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3925 states, 3923 states have (on average 1.601580423145552) internal successors, (6283), 3924 states have internal predecessors, (6283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:51,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3925 states to 3925 states and 6283 transitions. [2022-01-11 06:06:51,683 INFO L78 Accepts]: Start accepts. Automaton has 3925 states and 6283 transitions. Word has length 36 [2022-01-11 06:06:51,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:06:51,683 INFO L470 AbstractCegarLoop]: Abstraction has 3925 states and 6283 transitions. [2022-01-11 06:06:51,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:51,683 INFO L276 IsEmpty]: Start isEmpty. Operand 3925 states and 6283 transitions. [2022-01-11 06:06:51,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-01-11 06:06:51,686 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:06:51,687 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:06:51,687 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-11 06:06:51,687 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:06:51,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:06:51,688 INFO L85 PathProgramCache]: Analyzing trace with hash -527147801, now seen corresponding path program 1 times [2022-01-11 06:06:51,688 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:06:51,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974981905] [2022-01-11 06:06:51,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:06:51,689 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:06:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:06:51,754 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 06:06:51,754 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:06:51,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974981905] [2022-01-11 06:06:51,755 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974981905] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:06:51,755 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:06:51,755 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 06:06:51,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679347034] [2022-01-11 06:06:51,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:06:51,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 06:06:51,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:06:51,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 06:06:51,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:06:51,757 INFO L87 Difference]: Start difference. First operand 3925 states and 6283 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:51,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:06:51,957 INFO L93 Difference]: Finished difference Result 9413 states and 15035 transitions. [2022-01-11 06:06:51,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 06:06:51,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2022-01-11 06:06:51,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:06:51,979 INFO L225 Difference]: With dead ends: 9413 [2022-01-11 06:06:51,979 INFO L226 Difference]: Without dead ends: 5565 [2022-01-11 06:06:51,985 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:06:51,987 INFO L933 BasicCegarLoop]: 292 mSDtfsCounter, 115 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 06:06:51,987 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 477 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 06:06:51,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5565 states. [2022-01-11 06:06:52,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5565 to 5553. [2022-01-11 06:06:52,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5553 states, 5551 states have (on average 1.5786344802738246) internal successors, (8763), 5552 states have internal predecessors, (8763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:52,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5553 states to 5553 states and 8763 transitions. [2022-01-11 06:06:52,201 INFO L78 Accepts]: Start accepts. Automaton has 5553 states and 8763 transitions. Word has length 47 [2022-01-11 06:06:52,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:06:52,201 INFO L470 AbstractCegarLoop]: Abstraction has 5553 states and 8763 transitions. [2022-01-11 06:06:52,202 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:52,202 INFO L276 IsEmpty]: Start isEmpty. Operand 5553 states and 8763 transitions. [2022-01-11 06:06:52,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-01-11 06:06:52,208 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:06:52,208 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:06:52,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-11 06:06:52,208 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:06:52,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:06:52,209 INFO L85 PathProgramCache]: Analyzing trace with hash -975844440, now seen corresponding path program 1 times [2022-01-11 06:06:52,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:06:52,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188138163] [2022-01-11 06:06:52,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:06:52,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:06:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:06:52,249 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 06:06:52,249 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:06:52,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188138163] [2022-01-11 06:06:52,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188138163] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:06:52,249 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:06:52,250 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 06:06:52,250 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995792576] [2022-01-11 06:06:52,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:06:52,251 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 06:06:52,251 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:06:52,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 06:06:52,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:06:52,252 INFO L87 Difference]: Start difference. First operand 5553 states and 8763 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:52,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:06:52,516 INFO L93 Difference]: Finished difference Result 13837 states and 21825 transitions. [2022-01-11 06:06:52,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 06:06:52,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2022-01-11 06:06:52,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:06:52,558 INFO L225 Difference]: With dead ends: 13837 [2022-01-11 06:06:52,559 INFO L226 Difference]: Without dead ends: 8426 [2022-01-11 06:06:52,571 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:06:52,572 INFO L933 BasicCegarLoop]: 274 mSDtfsCounter, 116 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 06:06:52,573 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 457 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 06:06:52,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8426 states. [2022-01-11 06:06:52,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8426 to 8405. [2022-01-11 06:06:52,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8405 states, 8403 states have (on average 1.5607521123408306) internal successors, (13115), 8404 states have internal predecessors, (13115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:52,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8405 states to 8405 states and 13115 transitions. [2022-01-11 06:06:52,965 INFO L78 Accepts]: Start accepts. Automaton has 8405 states and 13115 transitions. Word has length 47 [2022-01-11 06:06:52,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:06:52,965 INFO L470 AbstractCegarLoop]: Abstraction has 8405 states and 13115 transitions. [2022-01-11 06:06:52,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:52,966 INFO L276 IsEmpty]: Start isEmpty. Operand 8405 states and 13115 transitions. [2022-01-11 06:06:52,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-01-11 06:06:52,974 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:06:52,974 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:06:52,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-11 06:06:52,975 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:06:52,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:06:52,975 INFO L85 PathProgramCache]: Analyzing trace with hash -851771193, now seen corresponding path program 1 times [2022-01-11 06:06:52,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:06:52,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213241435] [2022-01-11 06:06:52,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:06:52,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:06:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:06:53,028 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 06:06:53,028 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:06:53,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213241435] [2022-01-11 06:06:53,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213241435] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:06:53,028 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:06:53,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 06:06:53,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769046725] [2022-01-11 06:06:53,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:06:53,029 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 06:06:53,029 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:06:53,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 06:06:53,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:06:53,030 INFO L87 Difference]: Start difference. First operand 8405 states and 13115 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:53,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:06:53,426 INFO L93 Difference]: Finished difference Result 21460 states and 33635 transitions. [2022-01-11 06:06:53,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 06:06:53,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2022-01-11 06:06:53,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:06:53,467 INFO L225 Difference]: With dead ends: 21460 [2022-01-11 06:06:53,468 INFO L226 Difference]: Without dead ends: 13330 [2022-01-11 06:06:53,487 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:06:53,488 INFO L933 BasicCegarLoop]: 260 mSDtfsCounter, 120 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 06:06:53,489 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [120 Valid, 440 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 06:06:53,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13330 states. [2022-01-11 06:06:53,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13330 to 13275. [2022-01-11 06:06:53,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13275 states, 13273 states have (on average 1.5544338130038424) internal successors, (20632), 13274 states have internal predecessors, (20632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:54,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13275 states to 13275 states and 20632 transitions. [2022-01-11 06:06:54,017 INFO L78 Accepts]: Start accepts. Automaton has 13275 states and 20632 transitions. Word has length 47 [2022-01-11 06:06:54,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:06:54,018 INFO L470 AbstractCegarLoop]: Abstraction has 13275 states and 20632 transitions. [2022-01-11 06:06:54,018 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:54,018 INFO L276 IsEmpty]: Start isEmpty. Operand 13275 states and 20632 transitions. [2022-01-11 06:06:54,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-01-11 06:06:54,031 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:06:54,032 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:06:54,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-11 06:06:54,032 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:06:54,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:06:54,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1507535816, now seen corresponding path program 1 times [2022-01-11 06:06:54,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:06:54,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602738755] [2022-01-11 06:06:54,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:06:54,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:06:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:06:54,064 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-11 06:06:54,065 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:06:54,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602738755] [2022-01-11 06:06:54,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602738755] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:06:54,065 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:06:54,065 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 06:06:54,065 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140850724] [2022-01-11 06:06:54,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:06:54,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 06:06:54,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:06:54,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 06:06:54,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:06:54,067 INFO L87 Difference]: Start difference. First operand 13275 states and 20632 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:54,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:06:54,564 INFO L93 Difference]: Finished difference Result 26090 states and 40653 transitions. [2022-01-11 06:06:54,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 06:06:54,565 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2022-01-11 06:06:54,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:06:54,599 INFO L225 Difference]: With dead ends: 26090 [2022-01-11 06:06:54,599 INFO L226 Difference]: Without dead ends: 13041 [2022-01-11 06:06:54,618 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:06:54,618 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 201 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 06:06:54,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [201 Valid, 206 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 06:06:54,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13041 states. [2022-01-11 06:06:55,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13041 to 13041. [2022-01-11 06:06:55,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13041 states, 13039 states have (on average 1.558248331927295) internal successors, (20318), 13040 states have internal predecessors, (20318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:55,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13041 states to 13041 states and 20318 transitions. [2022-01-11 06:06:55,183 INFO L78 Accepts]: Start accepts. Automaton has 13041 states and 20318 transitions. Word has length 47 [2022-01-11 06:06:55,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:06:55,183 INFO L470 AbstractCegarLoop]: Abstraction has 13041 states and 20318 transitions. [2022-01-11 06:06:55,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:55,184 INFO L276 IsEmpty]: Start isEmpty. Operand 13041 states and 20318 transitions. [2022-01-11 06:06:55,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-01-11 06:06:55,194 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:06:55,194 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:06:55,194 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-11 06:06:55,194 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:06:55,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:06:55,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1712007526, now seen corresponding path program 1 times [2022-01-11 06:06:55,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:06:55,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355530290] [2022-01-11 06:06:55,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:06:55,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:06:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:06:55,236 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 06:06:55,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:06:55,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355530290] [2022-01-11 06:06:55,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355530290] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:06:55,237 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:06:55,237 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 06:06:55,237 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353605638] [2022-01-11 06:06:55,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:06:55,237 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 06:06:55,237 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:06:55,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 06:06:55,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:06:55,238 INFO L87 Difference]: Start difference. First operand 13041 states and 20318 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:55,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:06:55,886 INFO L93 Difference]: Finished difference Result 36904 states and 57379 transitions. [2022-01-11 06:06:55,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 06:06:55,886 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2022-01-11 06:06:55,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:06:55,944 INFO L225 Difference]: With dead ends: 36904 [2022-01-11 06:06:55,945 INFO L226 Difference]: Without dead ends: 20565 [2022-01-11 06:06:55,973 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:06:55,974 INFO L933 BasicCegarLoop]: 358 mSDtfsCounter, 157 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 06:06:55,974 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 548 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 06:06:55,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20565 states. [2022-01-11 06:06:56,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20565 to 20565. [2022-01-11 06:06:56,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20565 states, 20563 states have (on average 1.5369352720906482) internal successors, (31604), 20564 states have internal predecessors, (31604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:56,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20565 states to 20565 states and 31604 transitions. [2022-01-11 06:06:56,742 INFO L78 Accepts]: Start accepts. Automaton has 20565 states and 31604 transitions. Word has length 48 [2022-01-11 06:06:56,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:06:56,743 INFO L470 AbstractCegarLoop]: Abstraction has 20565 states and 31604 transitions. [2022-01-11 06:06:56,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:56,743 INFO L276 IsEmpty]: Start isEmpty. Operand 20565 states and 31604 transitions. [2022-01-11 06:06:56,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-01-11 06:06:56,871 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:06:56,871 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:06:56,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-11 06:06:56,872 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:06:56,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:06:56,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1442120426, now seen corresponding path program 1 times [2022-01-11 06:06:56,872 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:06:56,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898704084] [2022-01-11 06:06:56,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:06:56,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:06:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:06:56,913 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 06:06:56,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:06:56,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898704084] [2022-01-11 06:06:56,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898704084] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:06:56,916 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:06:56,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 06:06:56,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304994113] [2022-01-11 06:06:56,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:06:56,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 06:06:56,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:06:56,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 06:06:56,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:06:56,917 INFO L87 Difference]: Start difference. First operand 20565 states and 31604 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:57,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:06:57,791 INFO L93 Difference]: Finished difference Result 52491 states and 80670 transitions. [2022-01-11 06:06:57,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 06:06:57,792 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2022-01-11 06:06:57,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:06:57,870 INFO L225 Difference]: With dead ends: 52491 [2022-01-11 06:06:57,870 INFO L226 Difference]: Without dead ends: 32159 [2022-01-11 06:06:57,902 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:06:57,902 INFO L933 BasicCegarLoop]: 215 mSDtfsCounter, 143 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 06:06:57,903 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 388 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 06:06:57,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32159 states. [2022-01-11 06:06:58,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32159 to 31838. [2022-01-11 06:06:59,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31838 states, 31836 states have (on average 1.5195690413368514) internal successors, (48377), 31837 states have internal predecessors, (48377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:59,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31838 states to 31838 states and 48377 transitions. [2022-01-11 06:06:59,118 INFO L78 Accepts]: Start accepts. Automaton has 31838 states and 48377 transitions. Word has length 53 [2022-01-11 06:06:59,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:06:59,118 INFO L470 AbstractCegarLoop]: Abstraction has 31838 states and 48377 transitions. [2022-01-11 06:06:59,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:06:59,119 INFO L276 IsEmpty]: Start isEmpty. Operand 31838 states and 48377 transitions. [2022-01-11 06:06:59,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-01-11 06:06:59,136 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:06:59,136 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:06:59,137 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-11 06:06:59,137 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:06:59,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:06:59,137 INFO L85 PathProgramCache]: Analyzing trace with hash -511541415, now seen corresponding path program 1 times [2022-01-11 06:06:59,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:06:59,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930215174] [2022-01-11 06:06:59,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:06:59,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:06:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:06:59,162 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-01-11 06:06:59,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:06:59,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930215174] [2022-01-11 06:06:59,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930215174] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:06:59,162 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:06:59,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 06:06:59,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079406805] [2022-01-11 06:06:59,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:06:59,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 06:06:59,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:06:59,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 06:06:59,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:06:59,164 INFO L87 Difference]: Start difference. First operand 31838 states and 48377 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:00,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:07:00,991 INFO L93 Difference]: Finished difference Result 94226 states and 143246 transitions. [2022-01-11 06:07:00,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 06:07:00,992 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-01-11 06:07:00,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:07:01,241 INFO L225 Difference]: With dead ends: 94226 [2022-01-11 06:07:01,241 INFO L226 Difference]: Without dead ends: 62391 [2022-01-11 06:07:01,343 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:01,349 INFO L933 BasicCegarLoop]: 191 mSDtfsCounter, 186 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 06:07:01,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 348 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 06:07:01,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62391 states. [2022-01-11 06:07:03,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62391 to 61971. [2022-01-11 06:07:03,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61971 states, 61969 states have (on average 1.5225354612790265) internal successors, (94350), 61970 states have internal predecessors, (94350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:04,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61971 states to 61971 states and 94350 transitions. [2022-01-11 06:07:04,204 INFO L78 Accepts]: Start accepts. Automaton has 61971 states and 94350 transitions. Word has length 55 [2022-01-11 06:07:04,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:07:04,204 INFO L470 AbstractCegarLoop]: Abstraction has 61971 states and 94350 transitions. [2022-01-11 06:07:04,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:04,205 INFO L276 IsEmpty]: Start isEmpty. Operand 61971 states and 94350 transitions. [2022-01-11 06:07:04,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-01-11 06:07:04,222 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:07:04,222 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:07:04,223 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-11 06:07:04,223 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:07:04,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:07:04,223 INFO L85 PathProgramCache]: Analyzing trace with hash -2008871046, now seen corresponding path program 1 times [2022-01-11 06:07:04,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:07:04,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768017190] [2022-01-11 06:07:04,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:07:04,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:07:04,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:07:04,256 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 06:07:04,257 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:07:04,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768017190] [2022-01-11 06:07:04,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768017190] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:07:04,257 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:07:04,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 06:07:04,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058666725] [2022-01-11 06:07:04,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:07:04,257 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 06:07:04,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:07:04,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 06:07:04,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:04,258 INFO L87 Difference]: Start difference. First operand 61971 states and 94350 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:06,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:07:06,212 INFO L93 Difference]: Finished difference Result 121607 states and 186008 transitions. [2022-01-11 06:07:06,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 06:07:06,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-01-11 06:07:06,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:07:06,388 INFO L225 Difference]: With dead ends: 121607 [2022-01-11 06:07:06,388 INFO L226 Difference]: Without dead ends: 59733 [2022-01-11 06:07:06,659 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:06,674 INFO L933 BasicCegarLoop]: 248 mSDtfsCounter, 139 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 06:07:06,674 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [139 Valid, 325 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 06:07:06,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59733 states. [2022-01-11 06:07:08,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59733 to 45978. [2022-01-11 06:07:08,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45978 states, 45976 states have (on average 1.4920610753436576) internal successors, (68599), 45977 states have internal predecessors, (68599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:08,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45978 states to 45978 states and 68599 transitions. [2022-01-11 06:07:08,821 INFO L78 Accepts]: Start accepts. Automaton has 45978 states and 68599 transitions. Word has length 80 [2022-01-11 06:07:08,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:07:08,822 INFO L470 AbstractCegarLoop]: Abstraction has 45978 states and 68599 transitions. [2022-01-11 06:07:08,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:08,822 INFO L276 IsEmpty]: Start isEmpty. Operand 45978 states and 68599 transitions. [2022-01-11 06:07:08,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-11 06:07:08,835 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:07:08,835 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:07:08,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-01-11 06:07:08,836 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:07:08,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:07:08,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1586709897, now seen corresponding path program 1 times [2022-01-11 06:07:08,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:07:08,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677621700] [2022-01-11 06:07:08,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:07:08,837 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:07:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:07:08,897 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-01-11 06:07:08,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:07:08,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677621700] [2022-01-11 06:07:08,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677621700] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:07:08,897 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:07:08,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 06:07:08,898 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094430135] [2022-01-11 06:07:08,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:07:08,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 06:07:08,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:07:08,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 06:07:08,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:08,900 INFO L87 Difference]: Start difference. First operand 45978 states and 68599 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:10,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:07:10,629 INFO L93 Difference]: Finished difference Result 98772 states and 147409 transitions. [2022-01-11 06:07:10,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 06:07:10,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-01-11 06:07:10,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:07:10,711 INFO L225 Difference]: With dead ends: 98772 [2022-01-11 06:07:10,711 INFO L226 Difference]: Without dead ends: 53354 [2022-01-11 06:07:10,737 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:10,738 INFO L933 BasicCegarLoop]: 179 mSDtfsCounter, 129 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 06:07:10,738 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 315 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 06:07:10,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53354 states. [2022-01-11 06:07:12,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53354 to 52094. [2022-01-11 06:07:12,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52094 states, 52092 states have (on average 1.4797473700376258) internal successors, (77083), 52093 states have internal predecessors, (77083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:12,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52094 states to 52094 states and 77083 transitions. [2022-01-11 06:07:12,505 INFO L78 Accepts]: Start accepts. Automaton has 52094 states and 77083 transitions. Word has length 81 [2022-01-11 06:07:12,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:07:12,505 INFO L470 AbstractCegarLoop]: Abstraction has 52094 states and 77083 transitions. [2022-01-11 06:07:12,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:12,505 INFO L276 IsEmpty]: Start isEmpty. Operand 52094 states and 77083 transitions. [2022-01-11 06:07:12,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-11 06:07:12,561 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:07:12,561 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:07:12,561 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-01-11 06:07:12,561 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:07:12,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:07:12,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1358176891, now seen corresponding path program 1 times [2022-01-11 06:07:12,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:07:12,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169379769] [2022-01-11 06:07:12,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:07:12,562 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:07:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:07:12,598 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-11 06:07:12,598 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:07:12,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169379769] [2022-01-11 06:07:12,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169379769] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:07:12,599 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:07:12,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 06:07:12,599 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051932122] [2022-01-11 06:07:12,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:07:12,600 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 06:07:12,600 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:07:12,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 06:07:12,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:12,600 INFO L87 Difference]: Start difference. First operand 52094 states and 77083 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:14,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:07:14,170 INFO L93 Difference]: Finished difference Result 103711 states and 153502 transitions. [2022-01-11 06:07:14,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 06:07:14,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 108 [2022-01-11 06:07:14,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:07:14,298 INFO L225 Difference]: With dead ends: 103711 [2022-01-11 06:07:14,299 INFO L226 Difference]: Without dead ends: 52044 [2022-01-11 06:07:14,360 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:14,361 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 46 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 06:07:14,361 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [46 Valid, 335 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 06:07:14,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52044 states. [2022-01-11 06:07:16,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52044 to 52044. [2022-01-11 06:07:16,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52044 states, 52042 states have (on average 1.4793628223358057) internal successors, (76989), 52043 states have internal predecessors, (76989), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:16,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52044 states to 52044 states and 76989 transitions. [2022-01-11 06:07:16,412 INFO L78 Accepts]: Start accepts. Automaton has 52044 states and 76989 transitions. Word has length 108 [2022-01-11 06:07:16,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:07:16,412 INFO L470 AbstractCegarLoop]: Abstraction has 52044 states and 76989 transitions. [2022-01-11 06:07:16,412 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:16,412 INFO L276 IsEmpty]: Start isEmpty. Operand 52044 states and 76989 transitions. [2022-01-11 06:07:16,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-01-11 06:07:16,468 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:07:16,468 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:07:16,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-01-11 06:07:16,468 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:07:16,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:07:16,469 INFO L85 PathProgramCache]: Analyzing trace with hash 203323172, now seen corresponding path program 1 times [2022-01-11 06:07:16,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:07:16,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784635972] [2022-01-11 06:07:16,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:07:16,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:07:16,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:07:16,501 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-01-11 06:07:16,501 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:07:16,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784635972] [2022-01-11 06:07:16,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784635972] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:07:16,501 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:07:16,502 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 06:07:16,502 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465201168] [2022-01-11 06:07:16,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:07:16,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 06:07:16,502 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:07:16,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 06:07:16,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:16,503 INFO L87 Difference]: Start difference. First operand 52044 states and 76989 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:17,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:07:17,795 INFO L93 Difference]: Finished difference Result 90115 states and 133448 transitions. [2022-01-11 06:07:17,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 06:07:17,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 120 [2022-01-11 06:07:17,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:07:17,867 INFO L225 Difference]: With dead ends: 90115 [2022-01-11 06:07:17,867 INFO L226 Difference]: Without dead ends: 38166 [2022-01-11 06:07:17,902 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:17,903 INFO L933 BasicCegarLoop]: 189 mSDtfsCounter, 91 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 06:07:17,903 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [91 Valid, 334 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 06:07:17,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38166 states. [2022-01-11 06:07:19,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38166 to 38166. [2022-01-11 06:07:19,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38166 states, 38164 states have (on average 1.4355675505712189) internal successors, (54787), 38165 states have internal predecessors, (54787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:19,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38166 states to 38166 states and 54787 transitions. [2022-01-11 06:07:19,256 INFO L78 Accepts]: Start accepts. Automaton has 38166 states and 54787 transitions. Word has length 120 [2022-01-11 06:07:19,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:07:19,257 INFO L470 AbstractCegarLoop]: Abstraction has 38166 states and 54787 transitions. [2022-01-11 06:07:19,257 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:19,257 INFO L276 IsEmpty]: Start isEmpty. Operand 38166 states and 54787 transitions. [2022-01-11 06:07:19,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-11 06:07:19,296 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:07:19,296 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:07:19,296 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-01-11 06:07:19,296 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:07:19,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:07:19,297 INFO L85 PathProgramCache]: Analyzing trace with hash 2145299480, now seen corresponding path program 1 times [2022-01-11 06:07:19,297 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:07:19,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766673189] [2022-01-11 06:07:19,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:07:19,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:07:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:07:19,331 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-11 06:07:19,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:07:19,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766673189] [2022-01-11 06:07:19,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766673189] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:07:19,331 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:07:19,331 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 06:07:19,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101696815] [2022-01-11 06:07:19,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:07:19,332 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 06:07:19,332 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:07:19,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 06:07:19,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:19,333 INFO L87 Difference]: Start difference. First operand 38166 states and 54787 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:20,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:07:20,130 INFO L93 Difference]: Finished difference Result 66806 states and 96001 transitions. [2022-01-11 06:07:20,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 06:07:20,131 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-01-11 06:07:20,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:07:20,184 INFO L225 Difference]: With dead ends: 66806 [2022-01-11 06:07:20,184 INFO L226 Difference]: Without dead ends: 29213 [2022-01-11 06:07:20,209 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:20,209 INFO L933 BasicCegarLoop]: 234 mSDtfsCounter, 130 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 06:07:20,209 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 370 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 06:07:20,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29213 states. [2022-01-11 06:07:20,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29213 to 28860. [2022-01-11 06:07:21,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28860 states, 28858 states have (on average 1.41995287268695) internal successors, (40977), 28859 states have internal predecessors, (40977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:21,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28860 states to 28860 states and 40977 transitions. [2022-01-11 06:07:21,087 INFO L78 Accepts]: Start accepts. Automaton has 28860 states and 40977 transitions. Word has length 121 [2022-01-11 06:07:21,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:07:21,087 INFO L470 AbstractCegarLoop]: Abstraction has 28860 states and 40977 transitions. [2022-01-11 06:07:21,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:21,088 INFO L276 IsEmpty]: Start isEmpty. Operand 28860 states and 40977 transitions. [2022-01-11 06:07:21,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-01-11 06:07:21,115 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:07:21,115 INFO L514 BasicCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:07:21,116 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-01-11 06:07:21,116 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:07:21,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:07:21,116 INFO L85 PathProgramCache]: Analyzing trace with hash -50137739, now seen corresponding path program 1 times [2022-01-11 06:07:21,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:07:21,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346981752] [2022-01-11 06:07:21,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:07:21,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:07:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:07:21,156 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-11 06:07:21,156 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:07:21,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346981752] [2022-01-11 06:07:21,156 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346981752] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:07:21,156 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:07:21,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 06:07:21,157 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150775007] [2022-01-11 06:07:21,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:07:21,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 06:07:21,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:07:21,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 06:07:21,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:21,158 INFO L87 Difference]: Start difference. First operand 28860 states and 40977 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:22,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:07:22,077 INFO L93 Difference]: Finished difference Result 45541 states and 64967 transitions. [2022-01-11 06:07:22,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 06:07:22,078 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-01-11 06:07:22,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:07:22,125 INFO L225 Difference]: With dead ends: 45541 [2022-01-11 06:07:22,125 INFO L226 Difference]: Without dead ends: 22938 [2022-01-11 06:07:22,149 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:22,149 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 161 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 06:07:22,150 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 181 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 06:07:22,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22938 states. [2022-01-11 06:07:22,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22938 to 22938. [2022-01-11 06:07:23,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22938 states, 22936 states have (on average 1.403819323334496) internal successors, (32198), 22937 states have internal predecessors, (32198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:23,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22938 states to 22938 states and 32198 transitions. [2022-01-11 06:07:23,054 INFO L78 Accepts]: Start accepts. Automaton has 22938 states and 32198 transitions. Word has length 128 [2022-01-11 06:07:23,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:07:23,056 INFO L470 AbstractCegarLoop]: Abstraction has 22938 states and 32198 transitions. [2022-01-11 06:07:23,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:23,056 INFO L276 IsEmpty]: Start isEmpty. Operand 22938 states and 32198 transitions. [2022-01-11 06:07:23,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-01-11 06:07:23,075 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:07:23,075 INFO L514 BasicCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:07:23,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-01-11 06:07:23,076 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:07:23,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:07:23,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1653971895, now seen corresponding path program 1 times [2022-01-11 06:07:23,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:07:23,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155682721] [2022-01-11 06:07:23,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:07:23,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:07:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:07:23,120 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-01-11 06:07:23,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:07:23,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155682721] [2022-01-11 06:07:23,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155682721] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:07:23,120 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:07:23,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 06:07:23,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872444418] [2022-01-11 06:07:23,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:07:23,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 06:07:23,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:07:23,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 06:07:23,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:23,122 INFO L87 Difference]: Start difference. First operand 22938 states and 32198 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:23,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:07:23,891 INFO L93 Difference]: Finished difference Result 39581 states and 55721 transitions. [2022-01-11 06:07:23,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 06:07:23,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-01-11 06:07:23,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:07:23,936 INFO L225 Difference]: With dead ends: 39581 [2022-01-11 06:07:23,936 INFO L226 Difference]: Without dead ends: 22938 [2022-01-11 06:07:23,959 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:23,960 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 112 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 06:07:23,960 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 175 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 06:07:23,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22938 states. [2022-01-11 06:07:24,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22938 to 22938. [2022-01-11 06:07:24,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22938 states, 22936 states have (on average 1.401203348447855) internal successors, (32138), 22937 states have internal predecessors, (32138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:24,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22938 states to 22938 states and 32138 transitions. [2022-01-11 06:07:24,625 INFO L78 Accepts]: Start accepts. Automaton has 22938 states and 32138 transitions. Word has length 128 [2022-01-11 06:07:24,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:07:24,625 INFO L470 AbstractCegarLoop]: Abstraction has 22938 states and 32138 transitions. [2022-01-11 06:07:24,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:24,626 INFO L276 IsEmpty]: Start isEmpty. Operand 22938 states and 32138 transitions. [2022-01-11 06:07:24,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-01-11 06:07:24,643 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:07:24,643 INFO L514 BasicCegarLoop]: trace histogram [5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:07:24,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-01-11 06:07:24,644 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:07:24,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:07:24,644 INFO L85 PathProgramCache]: Analyzing trace with hash -1947893704, now seen corresponding path program 1 times [2022-01-11 06:07:24,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:07:24,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316824035] [2022-01-11 06:07:24,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:07:24,645 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:07:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:07:24,684 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-01-11 06:07:24,684 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:07:24,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316824035] [2022-01-11 06:07:24,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316824035] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:07:24,684 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:07:24,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 06:07:24,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290964499] [2022-01-11 06:07:24,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:07:24,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 06:07:24,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:07:24,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 06:07:24,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:24,685 INFO L87 Difference]: Start difference. First operand 22938 states and 32138 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:25,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:07:25,337 INFO L93 Difference]: Finished difference Result 36857 states and 51385 transitions. [2022-01-11 06:07:25,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 06:07:25,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 128 [2022-01-11 06:07:25,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:07:25,380 INFO L225 Difference]: With dead ends: 36857 [2022-01-11 06:07:25,380 INFO L226 Difference]: Without dead ends: 20214 [2022-01-11 06:07:25,404 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:25,404 INFO L933 BasicCegarLoop]: 178 mSDtfsCounter, 109 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 06:07:25,405 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [109 Valid, 184 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 06:07:25,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20214 states. [2022-01-11 06:07:25,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20214 to 14604. [2022-01-11 06:07:25,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14604 states, 14602 states have (on average 1.3716614162443501) internal successors, (20029), 14603 states have internal predecessors, (20029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:26,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14604 states to 14604 states and 20029 transitions. [2022-01-11 06:07:26,010 INFO L78 Accepts]: Start accepts. Automaton has 14604 states and 20029 transitions. Word has length 128 [2022-01-11 06:07:26,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:07:26,010 INFO L470 AbstractCegarLoop]: Abstraction has 14604 states and 20029 transitions. [2022-01-11 06:07:26,010 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:26,010 INFO L276 IsEmpty]: Start isEmpty. Operand 14604 states and 20029 transitions. [2022-01-11 06:07:26,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-01-11 06:07:26,024 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:07:26,024 INFO L514 BasicCegarLoop]: trace histogram [5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:07:26,024 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-01-11 06:07:26,024 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:07:26,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:07:26,025 INFO L85 PathProgramCache]: Analyzing trace with hash 972506061, now seen corresponding path program 1 times [2022-01-11 06:07:26,025 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:07:26,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181868461] [2022-01-11 06:07:26,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:07:26,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:07:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:07:26,050 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-01-11 06:07:26,050 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:07:26,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181868461] [2022-01-11 06:07:26,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181868461] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:07:26,050 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:07:26,050 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 06:07:26,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488993694] [2022-01-11 06:07:26,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:07:26,051 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 06:07:26,051 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:07:26,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 06:07:26,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:26,051 INFO L87 Difference]: Start difference. First operand 14604 states and 20029 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:26,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:07:26,441 INFO L93 Difference]: Finished difference Result 26871 states and 36814 transitions. [2022-01-11 06:07:26,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 06:07:26,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2022-01-11 06:07:26,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:07:26,460 INFO L225 Difference]: With dead ends: 26871 [2022-01-11 06:07:26,460 INFO L226 Difference]: Without dead ends: 12362 [2022-01-11 06:07:26,476 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:26,476 INFO L933 BasicCegarLoop]: 213 mSDtfsCounter, 158 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 06:07:26,476 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 317 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 06:07:26,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12362 states. [2022-01-11 06:07:26,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12362 to 12322. [2022-01-11 06:07:26,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12322 states, 12320 states have (on average 1.3343344155844157) internal successors, (16439), 12321 states have internal predecessors, (16439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:26,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12322 states to 12322 states and 16439 transitions. [2022-01-11 06:07:26,866 INFO L78 Accepts]: Start accepts. Automaton has 12322 states and 16439 transitions. Word has length 131 [2022-01-11 06:07:26,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:07:26,866 INFO L470 AbstractCegarLoop]: Abstraction has 12322 states and 16439 transitions. [2022-01-11 06:07:26,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:26,867 INFO L276 IsEmpty]: Start isEmpty. Operand 12322 states and 16439 transitions. [2022-01-11 06:07:26,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-01-11 06:07:26,879 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:07:26,879 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:07:26,879 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-01-11 06:07:26,879 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:07:26,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:07:26,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1721153151, now seen corresponding path program 1 times [2022-01-11 06:07:26,880 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:07:26,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363559110] [2022-01-11 06:07:26,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:07:26,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:07:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:07:26,906 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-01-11 06:07:26,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:07:26,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363559110] [2022-01-11 06:07:26,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363559110] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:07:26,907 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:07:26,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 06:07:26,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708445101] [2022-01-11 06:07:26,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:07:26,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 06:07:26,907 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:07:26,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 06:07:26,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:26,908 INFO L87 Difference]: Start difference. First operand 12322 states and 16439 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:27,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:07:27,317 INFO L93 Difference]: Finished difference Result 23355 states and 31137 transitions. [2022-01-11 06:07:27,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 06:07:27,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2022-01-11 06:07:27,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:07:27,334 INFO L225 Difference]: With dead ends: 23355 [2022-01-11 06:07:27,334 INFO L226 Difference]: Without dead ends: 10812 [2022-01-11 06:07:27,346 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:27,347 INFO L933 BasicCegarLoop]: 224 mSDtfsCounter, 150 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 06:07:27,347 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [150 Valid, 330 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 06:07:27,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10812 states. [2022-01-11 06:07:27,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10812 to 10647. [2022-01-11 06:07:27,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10647 states, 10645 states have (on average 1.307186472522311) internal successors, (13915), 10646 states have internal predecessors, (13915), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:27,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10647 states to 10647 states and 13915 transitions. [2022-01-11 06:07:27,732 INFO L78 Accepts]: Start accepts. Automaton has 10647 states and 13915 transitions. Word has length 131 [2022-01-11 06:07:27,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:07:27,732 INFO L470 AbstractCegarLoop]: Abstraction has 10647 states and 13915 transitions. [2022-01-11 06:07:27,733 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:27,733 INFO L276 IsEmpty]: Start isEmpty. Operand 10647 states and 13915 transitions. [2022-01-11 06:07:27,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-01-11 06:07:27,741 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:07:27,741 INFO L514 BasicCegarLoop]: trace histogram [5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:07:27,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-01-11 06:07:27,742 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:07:27,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:07:27,742 INFO L85 PathProgramCache]: Analyzing trace with hash -1236613017, now seen corresponding path program 1 times [2022-01-11 06:07:27,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:07:27,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306129027] [2022-01-11 06:07:27,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:07:27,742 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:07:27,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:07:27,774 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-01-11 06:07:27,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:07:27,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306129027] [2022-01-11 06:07:27,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306129027] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:07:27,775 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:07:27,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 06:07:27,775 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500845569] [2022-01-11 06:07:27,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:07:27,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 06:07:27,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:07:27,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 06:07:27,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:27,776 INFO L87 Difference]: Start difference. First operand 10647 states and 13915 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:28,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:07:28,303 INFO L93 Difference]: Finished difference Result 27179 states and 35319 transitions. [2022-01-11 06:07:28,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 06:07:28,304 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-01-11 06:07:28,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:07:28,326 INFO L225 Difference]: With dead ends: 27179 [2022-01-11 06:07:28,326 INFO L226 Difference]: Without dead ends: 16579 [2022-01-11 06:07:28,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:28,339 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 116 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 06:07:28,339 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 313 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 06:07:28,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16579 states. [2022-01-11 06:07:28,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16579 to 16285. [2022-01-11 06:07:28,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16285 states, 16283 states have (on average 1.2907326659706442) internal successors, (21017), 16284 states have internal predecessors, (21017), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:28,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16285 states to 16285 states and 21017 transitions. [2022-01-11 06:07:28,943 INFO L78 Accepts]: Start accepts. Automaton has 16285 states and 21017 transitions. Word has length 132 [2022-01-11 06:07:28,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:07:28,944 INFO L470 AbstractCegarLoop]: Abstraction has 16285 states and 21017 transitions. [2022-01-11 06:07:28,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:28,944 INFO L276 IsEmpty]: Start isEmpty. Operand 16285 states and 21017 transitions. [2022-01-11 06:07:28,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-01-11 06:07:28,955 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:07:28,955 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:07:28,955 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-01-11 06:07:28,955 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:07:28,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:07:28,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1330812008, now seen corresponding path program 1 times [2022-01-11 06:07:28,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:07:28,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001091502] [2022-01-11 06:07:28,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:07:28,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:07:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:07:28,997 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-01-11 06:07:28,998 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:07:28,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001091502] [2022-01-11 06:07:28,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001091502] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:07:28,998 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:07:28,998 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 06:07:28,998 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548824896] [2022-01-11 06:07:28,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:07:28,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 06:07:28,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:07:28,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 06:07:28,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:28,999 INFO L87 Difference]: Start difference. First operand 16285 states and 21017 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:29,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:07:29,636 INFO L93 Difference]: Finished difference Result 38335 states and 49410 transitions. [2022-01-11 06:07:29,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 06:07:29,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 132 [2022-01-11 06:07:29,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:07:29,671 INFO L225 Difference]: With dead ends: 38335 [2022-01-11 06:07:29,671 INFO L226 Difference]: Without dead ends: 21970 [2022-01-11 06:07:29,692 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:29,693 INFO L933 BasicCegarLoop]: 170 mSDtfsCounter, 115 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 06:07:29,693 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 309 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 06:07:29,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21970 states. [2022-01-11 06:07:30,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21970 to 21534. [2022-01-11 06:07:30,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21534 states, 21532 states have (on average 1.286736020806242) internal successors, (27706), 21533 states have internal predecessors, (27706), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:30,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21534 states to 21534 states and 27706 transitions. [2022-01-11 06:07:30,321 INFO L78 Accepts]: Start accepts. Automaton has 21534 states and 27706 transitions. Word has length 132 [2022-01-11 06:07:30,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:07:30,321 INFO L470 AbstractCegarLoop]: Abstraction has 21534 states and 27706 transitions. [2022-01-11 06:07:30,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:30,322 INFO L276 IsEmpty]: Start isEmpty. Operand 21534 states and 27706 transitions. [2022-01-11 06:07:30,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-01-11 06:07:30,333 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:07:30,333 INFO L514 BasicCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:07:30,333 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-01-11 06:07:30,334 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:07:30,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:07:30,334 INFO L85 PathProgramCache]: Analyzing trace with hash 712499551, now seen corresponding path program 1 times [2022-01-11 06:07:30,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:07:30,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850283199] [2022-01-11 06:07:30,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:07:30,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:07:30,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:07:30,364 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-01-11 06:07:30,364 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:07:30,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850283199] [2022-01-11 06:07:30,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850283199] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:07:30,364 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:07:30,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 06:07:30,364 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004101149] [2022-01-11 06:07:30,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:07:30,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 06:07:30,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:07:30,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 06:07:30,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:30,365 INFO L87 Difference]: Start difference. First operand 21534 states and 27706 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:30,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:07:30,879 INFO L93 Difference]: Finished difference Result 36635 states and 47366 transitions. [2022-01-11 06:07:30,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 06:07:30,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-01-11 06:07:30,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:07:30,911 INFO L225 Difference]: With dead ends: 36635 [2022-01-11 06:07:30,911 INFO L226 Difference]: Without dead ends: 21176 [2022-01-11 06:07:30,927 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:30,928 INFO L933 BasicCegarLoop]: 286 mSDtfsCounter, 118 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 06:07:30,928 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [118 Valid, 440 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 06:07:30,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21176 states. [2022-01-11 06:07:31,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21176 to 20790. [2022-01-11 06:07:31,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20790 states, 20788 states have (on average 1.251587454300558) internal successors, (26018), 20789 states have internal predecessors, (26018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:31,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20790 states to 20790 states and 26018 transitions. [2022-01-11 06:07:31,536 INFO L78 Accepts]: Start accepts. Automaton has 20790 states and 26018 transitions. Word has length 172 [2022-01-11 06:07:31,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:07:31,536 INFO L470 AbstractCegarLoop]: Abstraction has 20790 states and 26018 transitions. [2022-01-11 06:07:31,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:31,537 INFO L276 IsEmpty]: Start isEmpty. Operand 20790 states and 26018 transitions. [2022-01-11 06:07:31,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-01-11 06:07:31,547 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:07:31,547 INFO L514 BasicCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:07:31,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-01-11 06:07:31,547 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:07:31,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:07:31,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1586791199, now seen corresponding path program 1 times [2022-01-11 06:07:31,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:07:31,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127615800] [2022-01-11 06:07:31,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:07:31,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:07:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:07:31,580 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2022-01-11 06:07:31,580 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:07:31,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127615800] [2022-01-11 06:07:31,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127615800] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:07:31,581 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:07:31,581 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 06:07:31,581 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422315594] [2022-01-11 06:07:31,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:07:31,581 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 06:07:31,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:07:31,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 06:07:31,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:31,582 INFO L87 Difference]: Start difference. First operand 20790 states and 26018 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:32,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:07:32,136 INFO L93 Difference]: Finished difference Result 35618 states and 44840 transitions. [2022-01-11 06:07:32,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 06:07:32,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2022-01-11 06:07:32,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:07:32,166 INFO L225 Difference]: With dead ends: 35618 [2022-01-11 06:07:32,167 INFO L226 Difference]: Without dead ends: 20632 [2022-01-11 06:07:32,182 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:32,183 INFO L933 BasicCegarLoop]: 297 mSDtfsCounter, 117 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 06:07:32,183 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [117 Valid, 448 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 06:07:32,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20632 states. [2022-01-11 06:07:32,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20632 to 20318. [2022-01-11 06:07:32,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20318 states, 20316 states have (on average 1.2180547351840914) internal successors, (24746), 20317 states have internal predecessors, (24746), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:33,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20318 states to 20318 states and 24746 transitions. [2022-01-11 06:07:33,009 INFO L78 Accepts]: Start accepts. Automaton has 20318 states and 24746 transitions. Word has length 172 [2022-01-11 06:07:33,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:07:33,009 INFO L470 AbstractCegarLoop]: Abstraction has 20318 states and 24746 transitions. [2022-01-11 06:07:33,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:33,009 INFO L276 IsEmpty]: Start isEmpty. Operand 20318 states and 24746 transitions. [2022-01-11 06:07:33,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-01-11 06:07:33,020 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:07:33,020 INFO L514 BasicCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:07:33,020 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-01-11 06:07:33,020 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:07:33,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:07:33,020 INFO L85 PathProgramCache]: Analyzing trace with hash -2043356973, now seen corresponding path program 1 times [2022-01-11 06:07:33,021 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:07:33,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818435661] [2022-01-11 06:07:33,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:07:33,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:07:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:07:33,062 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-01-11 06:07:33,063 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:07:33,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818435661] [2022-01-11 06:07:33,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818435661] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:07:33,063 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:07:33,063 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 06:07:33,063 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118990698] [2022-01-11 06:07:33,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:07:33,063 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 06:07:33,064 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:07:33,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 06:07:33,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:33,064 INFO L87 Difference]: Start difference. First operand 20318 states and 24746 transitions. Second operand has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:33,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:07:33,624 INFO L93 Difference]: Finished difference Result 35000 states and 42759 transitions. [2022-01-11 06:07:33,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 06:07:33,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 174 [2022-01-11 06:07:33,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:07:33,645 INFO L225 Difference]: With dead ends: 35000 [2022-01-11 06:07:33,645 INFO L226 Difference]: Without dead ends: 15468 [2022-01-11 06:07:33,660 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:33,661 INFO L933 BasicCegarLoop]: 163 mSDtfsCounter, 133 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 06:07:33,661 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [133 Valid, 165 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 06:07:33,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15468 states. [2022-01-11 06:07:34,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15468 to 14798. [2022-01-11 06:07:34,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14798 states, 14796 states have (on average 1.205190592051906) internal successors, (17832), 14797 states have internal predecessors, (17832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:34,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14798 states to 14798 states and 17832 transitions. [2022-01-11 06:07:34,284 INFO L78 Accepts]: Start accepts. Automaton has 14798 states and 17832 transitions. Word has length 174 [2022-01-11 06:07:34,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:07:34,284 INFO L470 AbstractCegarLoop]: Abstraction has 14798 states and 17832 transitions. [2022-01-11 06:07:34,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.333333333333336) internal successors, (163), 3 states have internal predecessors, (163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:34,284 INFO L276 IsEmpty]: Start isEmpty. Operand 14798 states and 17832 transitions. [2022-01-11 06:07:34,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-01-11 06:07:34,289 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:07:34,289 INFO L514 BasicCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:07:34,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-01-11 06:07:34,290 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:07:34,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:07:34,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1648234254, now seen corresponding path program 1 times [2022-01-11 06:07:34,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:07:34,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951726811] [2022-01-11 06:07:34,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:07:34,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:07:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:07:34,337 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-01-11 06:07:34,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:07:34,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951726811] [2022-01-11 06:07:34,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951726811] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:07:34,337 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:07:34,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 06:07:34,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119873714] [2022-01-11 06:07:34,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:07:34,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 06:07:34,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:07:34,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 06:07:34,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:34,338 INFO L87 Difference]: Start difference. First operand 14798 states and 17832 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:34,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:07:34,538 INFO L93 Difference]: Finished difference Result 18623 states and 22273 transitions. [2022-01-11 06:07:34,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 06:07:34,538 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 175 [2022-01-11 06:07:34,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:07:34,543 INFO L225 Difference]: With dead ends: 18623 [2022-01-11 06:07:34,543 INFO L226 Difference]: Without dead ends: 4174 [2022-01-11 06:07:34,552 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:34,552 INFO L933 BasicCegarLoop]: 229 mSDtfsCounter, 85 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 06:07:34,552 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [85 Valid, 327 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 06:07:34,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4174 states. [2022-01-11 06:07:34,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4174 to 4071. [2022-01-11 06:07:34,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4071 states, 4069 states have (on average 1.119193905136397) internal successors, (4554), 4070 states have internal predecessors, (4554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:34,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4071 states to 4071 states and 4554 transitions. [2022-01-11 06:07:34,674 INFO L78 Accepts]: Start accepts. Automaton has 4071 states and 4554 transitions. Word has length 175 [2022-01-11 06:07:34,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:07:34,674 INFO L470 AbstractCegarLoop]: Abstraction has 4071 states and 4554 transitions. [2022-01-11 06:07:34,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 3 states have internal predecessors, (167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:34,674 INFO L276 IsEmpty]: Start isEmpty. Operand 4071 states and 4554 transitions. [2022-01-11 06:07:34,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-01-11 06:07:34,676 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:07:34,676 INFO L514 BasicCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:07:34,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-01-11 06:07:34,677 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:07:34,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:07:34,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1388758771, now seen corresponding path program 1 times [2022-01-11 06:07:34,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:07:34,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564787232] [2022-01-11 06:07:34,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:07:34,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:07:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:07:34,725 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-01-11 06:07:34,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:07:34,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564787232] [2022-01-11 06:07:34,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564787232] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:07:34,725 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:07:34,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 06:07:34,725 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923154716] [2022-01-11 06:07:34,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:07:34,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 06:07:34,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:07:34,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 06:07:34,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:34,726 INFO L87 Difference]: Start difference. First operand 4071 states and 4554 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:34,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:07:34,914 INFO L93 Difference]: Finished difference Result 4109 states and 4615 transitions. [2022-01-11 06:07:34,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 06:07:34,915 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 176 [2022-01-11 06:07:34,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:07:34,919 INFO L225 Difference]: With dead ends: 4109 [2022-01-11 06:07:34,919 INFO L226 Difference]: Without dead ends: 4107 [2022-01-11 06:07:34,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:34,921 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 2 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 06:07:34,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 311 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 06:07:34,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4107 states. [2022-01-11 06:07:35,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4107 to 4095. [2022-01-11 06:07:35,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4095 states, 4093 states have (on average 1.1184949914488151) internal successors, (4578), 4094 states have internal predecessors, (4578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:35,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4095 states to 4095 states and 4578 transitions. [2022-01-11 06:07:35,066 INFO L78 Accepts]: Start accepts. Automaton has 4095 states and 4578 transitions. Word has length 176 [2022-01-11 06:07:35,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:07:35,066 INFO L470 AbstractCegarLoop]: Abstraction has 4095 states and 4578 transitions. [2022-01-11 06:07:35,066 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:35,066 INFO L276 IsEmpty]: Start isEmpty. Operand 4095 states and 4578 transitions. [2022-01-11 06:07:35,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-01-11 06:07:35,068 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:07:35,068 INFO L514 BasicCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:07:35,068 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-01-11 06:07:35,069 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:07:35,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:07:35,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1388757746, now seen corresponding path program 1 times [2022-01-11 06:07:35,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:07:35,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168364237] [2022-01-11 06:07:35,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:07:35,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:07:35,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:07:35,135 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-01-11 06:07:35,135 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:07:35,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168364237] [2022-01-11 06:07:35,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168364237] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:07:35,135 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:07:35,136 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 06:07:35,136 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628555229] [2022-01-11 06:07:35,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:07:35,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 06:07:35,136 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:07:35,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 06:07:35,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:35,137 INFO L87 Difference]: Start difference. First operand 4095 states and 4578 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:35,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:07:35,246 INFO L93 Difference]: Finished difference Result 4099 states and 4580 transitions. [2022-01-11 06:07:35,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 06:07:35,247 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 176 [2022-01-11 06:07:35,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:07:35,251 INFO L225 Difference]: With dead ends: 4099 [2022-01-11 06:07:35,251 INFO L226 Difference]: Without dead ends: 2990 [2022-01-11 06:07:35,253 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:35,253 INFO L933 BasicCegarLoop]: 158 mSDtfsCounter, 154 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 06:07:35,253 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [154 Valid, 158 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 06:07:35,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2990 states. [2022-01-11 06:07:35,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2990 to 2990. [2022-01-11 06:07:35,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2990 states, 2988 states have (on average 1.1188085676037482) internal successors, (3343), 2989 states have internal predecessors, (3343), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:35,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2990 states to 2990 states and 3343 transitions. [2022-01-11 06:07:35,385 INFO L78 Accepts]: Start accepts. Automaton has 2990 states and 3343 transitions. Word has length 176 [2022-01-11 06:07:35,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:07:35,385 INFO L470 AbstractCegarLoop]: Abstraction has 2990 states and 3343 transitions. [2022-01-11 06:07:35,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:35,385 INFO L276 IsEmpty]: Start isEmpty. Operand 2990 states and 3343 transitions. [2022-01-11 06:07:35,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-01-11 06:07:35,387 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:07:35,387 INFO L514 BasicCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:07:35,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-01-11 06:07:35,387 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:07:35,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:07:35,388 INFO L85 PathProgramCache]: Analyzing trace with hash -107428830, now seen corresponding path program 1 times [2022-01-11 06:07:35,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:07:35,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857169491] [2022-01-11 06:07:35,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:07:35,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:07:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:07:35,465 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-01-11 06:07:35,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:07:35,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857169491] [2022-01-11 06:07:35,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857169491] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:07:35,465 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:07:35,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-11 06:07:35,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587601034] [2022-01-11 06:07:35,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:07:35,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-11 06:07:35,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:07:35,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-11 06:07:35,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-11 06:07:35,467 INFO L87 Difference]: Start difference. First operand 2990 states and 3343 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:35,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:07:35,577 INFO L93 Difference]: Finished difference Result 2994 states and 3345 transitions. [2022-01-11 06:07:35,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-11 06:07:35,577 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 176 [2022-01-11 06:07:35,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:07:35,580 INFO L225 Difference]: With dead ends: 2994 [2022-01-11 06:07:35,580 INFO L226 Difference]: Without dead ends: 1876 [2022-01-11 06:07:35,581 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-11 06:07:35,583 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 153 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 06:07:35,584 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 306 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 06:07:35,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1876 states. [2022-01-11 06:07:35,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1876 to 1876. [2022-01-11 06:07:35,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1876 states, 1874 states have (on average 1.1200640341515475) internal successors, (2099), 1875 states have internal predecessors, (2099), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:35,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2099 transitions. [2022-01-11 06:07:35,655 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2099 transitions. Word has length 176 [2022-01-11 06:07:35,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:07:35,655 INFO L470 AbstractCegarLoop]: Abstraction has 1876 states and 2099 transitions. [2022-01-11 06:07:35,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:35,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2099 transitions. [2022-01-11 06:07:35,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-01-11 06:07:35,656 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:07:35,656 INFO L514 BasicCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:07:35,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-01-11 06:07:35,657 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:07:35,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:07:35,657 INFO L85 PathProgramCache]: Analyzing trace with hash 2082340832, now seen corresponding path program 1 times [2022-01-11 06:07:35,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:07:35,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569977874] [2022-01-11 06:07:35,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:07:35,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:07:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:07:35,694 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-01-11 06:07:35,694 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:07:35,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569977874] [2022-01-11 06:07:35,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569977874] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 06:07:35,694 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 06:07:35,694 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 06:07:35,694 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738168391] [2022-01-11 06:07:35,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 06:07:35,695 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 06:07:35,695 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:07:35,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 06:07:35,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:35,696 INFO L87 Difference]: Start difference. First operand 1876 states and 2099 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:35,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:07:35,762 INFO L93 Difference]: Finished difference Result 3204 states and 3594 transitions. [2022-01-11 06:07:35,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 06:07:35,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 191 [2022-01-11 06:07:35,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:07:35,764 INFO L225 Difference]: With dead ends: 3204 [2022-01-11 06:07:35,764 INFO L226 Difference]: Without dead ends: 1682 [2022-01-11 06:07:35,765 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 06:07:35,766 INFO L933 BasicCegarLoop]: 154 mSDtfsCounter, 95 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 06:07:35,766 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [95 Valid, 251 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 06:07:35,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1682 states. [2022-01-11 06:07:35,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1682 to 1514. [2022-01-11 06:07:35,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1514 states, 1512 states have (on average 1.1064814814814814) internal successors, (1673), 1513 states have internal predecessors, (1673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:35,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 1514 states and 1673 transitions. [2022-01-11 06:07:35,824 INFO L78 Accepts]: Start accepts. Automaton has 1514 states and 1673 transitions. Word has length 191 [2022-01-11 06:07:35,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:07:35,824 INFO L470 AbstractCegarLoop]: Abstraction has 1514 states and 1673 transitions. [2022-01-11 06:07:35,825 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:35,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 1673 transitions. [2022-01-11 06:07:35,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-01-11 06:07:35,826 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:07:35,826 INFO L514 BasicCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:07:35,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-01-11 06:07:35,826 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:07:35,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:07:35,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1125919263, now seen corresponding path program 1 times [2022-01-11 06:07:35,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:07:35,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875855755] [2022-01-11 06:07:35,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:07:35,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:07:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:07:36,155 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-11 06:07:36,155 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 06:07:36,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875855755] [2022-01-11 06:07:36,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875855755] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-11 06:07:36,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954717442] [2022-01-11 06:07:36,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:07:36,155 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 06:07:36,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 06:07:36,176 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-11 06:07:36,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-11 06:07:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 06:07:36,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 1111 conjuncts, 24 conjunts are in the unsatisfiable core [2022-01-11 06:07:36,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-11 06:07:37,500 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 32 proven. 68 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-11 06:07:37,501 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-11 06:07:38,099 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 85 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-11 06:07:38,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954717442] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-11 06:07:38,099 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-11 06:07:38,100 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 10] total 28 [2022-01-11 06:07:38,100 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681728918] [2022-01-11 06:07:38,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-11 06:07:38,100 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-01-11 06:07:38,100 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 06:07:38,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-01-11 06:07:38,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=680, Unknown=0, NotChecked=0, Total=756 [2022-01-11 06:07:38,101 INFO L87 Difference]: Start difference. First operand 1514 states and 1673 transitions. Second operand has 28 states, 28 states have (on average 19.892857142857142) internal successors, (557), 28 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:39,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 06:07:39,461 INFO L93 Difference]: Finished difference Result 4916 states and 5441 transitions. [2022-01-11 06:07:39,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-01-11 06:07:39,462 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 19.892857142857142) internal successors, (557), 28 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 194 [2022-01-11 06:07:39,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 06:07:39,466 INFO L225 Difference]: With dead ends: 4916 [2022-01-11 06:07:39,466 INFO L226 Difference]: Without dead ends: 3756 [2022-01-11 06:07:39,468 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 437 GetRequests, 387 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=289, Invalid=2363, Unknown=0, NotChecked=0, Total=2652 [2022-01-11 06:07:39,468 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 1914 mSDsluCounter, 5195 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1914 SdHoareTripleChecker+Valid, 5535 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-11 06:07:39,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1914 Valid, 5535 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-11 06:07:39,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3756 states. [2022-01-11 06:07:39,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3756 to 1954. [2022-01-11 06:07:39,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1954 states, 1952 states have (on average 1.1055327868852458) internal successors, (2158), 1953 states have internal predecessors, (2158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:39,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1954 states and 2158 transitions. [2022-01-11 06:07:39,575 INFO L78 Accepts]: Start accepts. Automaton has 1954 states and 2158 transitions. Word has length 194 [2022-01-11 06:07:39,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 06:07:39,575 INFO L470 AbstractCegarLoop]: Abstraction has 1954 states and 2158 transitions. [2022-01-11 06:07:39,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 19.892857142857142) internal successors, (557), 28 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 06:07:39,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2158 transitions. [2022-01-11 06:07:39,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-01-11 06:07:39,576 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 06:07:39,577 INFO L514 BasicCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 06:07:39,596 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-01-11 06:07:39,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2022-01-11 06:07:39,796 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 06:07:39,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 06:07:39,796 INFO L85 PathProgramCache]: Analyzing trace with hash -543759536, now seen corresponding path program 1 times [2022-01-11 06:07:39,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 06:07:39,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146580484] [2022-01-11 06:07:39,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 06:07:39,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 06:07:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-11 06:07:39,836 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-01-11 06:07:39,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-01-11 06:07:39,913 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-01-11 06:07:39,913 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-01-11 06:07:39,913 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-01-11 06:07:39,915 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-01-11 06:07:39,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-01-11 06:07:39,917 INFO L732 BasicCegarLoop]: Path program 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] [2022-01-11 06:07:39,920 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-11 06:07:40,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 06:07:40 BasicIcfg [2022-01-11 06:07:40,237 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-11 06:07:40,244 INFO L158 Benchmark]: Toolchain (without parser) took 53489.57ms. Allocated memory was 163.6MB in the beginning and 7.4GB in the end (delta: 7.2GB). Free memory was 112.3MB in the beginning and 4.0GB in the end (delta: -3.9GB). Peak memory consumption was 3.3GB. Max. memory is 8.0GB. [2022-01-11 06:07:40,244 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 163.6MB. Free memory is still 129.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-11 06:07:40,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 354.78ms. Allocated memory was 163.6MB in the beginning and 208.7MB in the end (delta: 45.1MB). Free memory was 112.1MB in the beginning and 182.9MB in the end (delta: -70.9MB). Peak memory consumption was 8.6MB. Max. memory is 8.0GB. [2022-01-11 06:07:40,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.96ms. Allocated memory is still 208.7MB. Free memory was 182.4MB in the beginning and 180.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-11 06:07:40,246 INFO L158 Benchmark]: Boogie Preprocessor took 52.36ms. Allocated memory is still 208.7MB. Free memory was 180.3MB in the beginning and 178.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-11 06:07:40,247 INFO L158 Benchmark]: RCFGBuilder took 663.31ms. Allocated memory is still 208.7MB. Free memory was 178.2MB in the beginning and 157.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2022-01-11 06:07:40,247 INFO L158 Benchmark]: IcfgTransformer took 135.69ms. Allocated memory is still 208.7MB. Free memory was 157.2MB in the beginning and 146.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-01-11 06:07:40,247 INFO L158 Benchmark]: TraceAbstraction took 52188.72ms. Allocated memory was 208.7MB in the beginning and 7.4GB in the end (delta: 7.2GB). Free memory was 146.2MB in the beginning and 4.0GB in the end (delta: -3.9GB). Peak memory consumption was 3.3GB. Max. memory is 8.0GB. [2022-01-11 06:07:40,248 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 163.6MB. Free memory is still 129.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 354.78ms. Allocated memory was 163.6MB in the beginning and 208.7MB in the end (delta: 45.1MB). Free memory was 112.1MB in the beginning and 182.9MB in the end (delta: -70.9MB). Peak memory consumption was 8.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 87.96ms. Allocated memory is still 208.7MB. Free memory was 182.4MB in the beginning and 180.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 52.36ms. Allocated memory is still 208.7MB. Free memory was 180.3MB in the beginning and 178.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 663.31ms. Allocated memory is still 208.7MB. Free memory was 178.2MB in the beginning and 157.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * IcfgTransformer took 135.69ms. Allocated memory is still 208.7MB. Free memory was 157.2MB in the beginning and 146.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 52188.72ms. Allocated memory was 208.7MB in the beginning and 7.4GB in the end (delta: 7.2GB). Free memory was 146.2MB in the beginning and 4.0GB in the end (delta: -3.9GB). Peak memory consumption was 3.3GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 23]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L28] int c ; [L29] int c_t ; [L30] int c_req_up ; [L31] int p_in ; [L32] int p_out ; [L33] int wl_st ; [L34] int c1_st ; [L35] int c2_st ; [L36] int wb_st ; [L37] int r_st ; [L38] int wl_i ; [L39] int c1_i ; [L40] int c2_i ; [L41] int wb_i ; [L42] int r_i ; [L43] int wl_pc ; [L44] int c1_pc ; [L45] int c2_pc ; [L46] int wb_pc ; [L47] int e_e ; [L48] int e_f ; [L49] int e_g ; [L50] int e_c ; [L51] int e_p_in ; [L52] int e_wl ; [L58] int d ; [L59] int data ; [L60] int processed ; [L61] static int t_b ; VAL [c=0, c1_i=0, c1_pc=0, c1_st=0, c2_i=0, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=0, e_e=0, e_f=0, e_g=0, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=0, wb_pc=0, wb_st=0, wl_i=0, wl_pc=0, wl_st=0] [L701] int __retres1 ; [L705] e_wl = 2 [L706] e_c = e_wl [L707] e_g = e_c [L708] e_f = e_g [L709] e_e = e_f [L710] wl_pc = 0 [L711] c1_pc = 0 [L712] c2_pc = 0 [L713] wb_pc = 0 [L714] wb_i = 1 [L715] c2_i = wb_i [L716] c1_i = c2_i [L717] wl_i = c1_i [L718] r_i = 0 [L719] c_req_up = 0 [L720] d = 0 [L721] c = 0 [L722] CALL start_simulation() [L412] int kernel_st ; [L415] kernel_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L416] COND FALSE !((int )c_req_up == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L427] COND TRUE (int )wl_i == 1 [L428] wl_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L432] COND TRUE (int )c1_i == 1 [L433] c1_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L437] COND TRUE (int )c2_i == 1 [L438] c2_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L442] COND TRUE (int )wb_i == 1 [L443] wb_st = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L447] COND FALSE !((int )r_i == 1) [L450] r_st = 2 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L452] COND FALSE !((int )e_f == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L457] COND FALSE !((int )e_g == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L462] COND FALSE !((int )e_e == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L467] COND FALSE !((int )e_c == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L472] COND FALSE !((int )e_wl == 0) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L477] COND FALSE !((int )wl_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L485] COND FALSE !((int )wl_pc == 2) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L495] COND FALSE !((int )c1_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L504] COND FALSE !((int )c2_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L513] COND FALSE !((int )wb_pc == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L522] COND FALSE !((int )e_c == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L527] COND FALSE !((int )e_e == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L532] COND FALSE !((int )e_f == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L537] COND FALSE !((int )e_g == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L542] COND FALSE !((int )e_c == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L547] COND FALSE !((int )e_wl == 1) VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L553] COND TRUE 1 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L556] kernel_st = 1 [L557] CALL eval() [L298] int tmp ; [L299] int tmp___0 ; [L300] int tmp___1 ; [L301] int tmp___2 ; [L302] int tmp___3 ; VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L306] COND TRUE 1 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L308] COND TRUE (int )wl_st == 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=0] [L329] COND TRUE (int )wl_st == 0 [L331] tmp = __VERIFIER_nondet_int() [L333] COND TRUE \read(tmp) [L335] wl_st = 1 [L336] CALL write_loop() [L63] int t ; VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=1] [L66] COND TRUE (int )wl_pc == 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=0, wl_st=1] [L80] wl_st = 2 [L81] wl_pc = 1 [L82] e_wl = 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=0, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=1, wl_st=2] [L336] RET write_loop() [L344] COND TRUE (int )c1_st == 0 [L346] tmp___0 = __VERIFIER_nondet_int() [L348] COND TRUE \read(tmp___0) [L350] c1_st = 1 [L351] CALL compute1() [L149] COND TRUE (int )c1_pc == 0 VAL [c=0, c1_i=1, c1_pc=0, c1_st=1, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=1, wl_st=2] [L160] COND TRUE 1 VAL [c=0, c1_i=1, c1_pc=0, c1_st=1, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=1, wl_st=2] [L162] c1_st = 2 [L163] c1_pc = 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=0, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=1, wl_st=2] [L351] RET compute1() [L359] COND TRUE (int )c2_st == 0 [L361] tmp___1 = __VERIFIER_nondet_int() [L363] COND TRUE \read(tmp___1) [L365] c2_st = 1 [L366] CALL compute2() [L194] COND TRUE (int )c2_pc == 0 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=0, c2_st=1, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=1, wl_st=2] [L205] COND TRUE 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=0, c2_st=1, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=1, wl_st=2] [L207] c2_st = 2 [L208] c2_pc = 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=0, wl_i=1, wl_pc=1, wl_st=2] [L366] RET compute2() [L374] COND TRUE (int )wb_st == 0 [L376] tmp___2 = __VERIFIER_nondet_int() [L378] COND TRUE \read(tmp___2) [L380] wb_st = 1 [L381] CALL write_back() [L239] COND TRUE (int )wb_pc == 0 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=1, wl_i=1, wl_pc=1, wl_st=2] [L250] COND TRUE 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=0, wb_st=1, wl_i=1, wl_pc=1, wl_st=2] [L252] wb_st = 2 [L253] wb_pc = 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L381] RET write_back() [L389] COND FALSE !((int )r_st == 0) VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, tmp=1, tmp___0=1, tmp___1=1, tmp___2=1, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L306] COND TRUE 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, tmp=1, tmp___0=1, tmp___1=1, tmp___2=1, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L308] COND FALSE !((int )wl_st == 0) VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, tmp=1, tmp___0=1, tmp___1=1, tmp___2=1, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L311] COND FALSE !((int )c1_st == 0) VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, tmp=1, tmp___0=1, tmp___1=1, tmp___2=1, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L314] COND FALSE !((int )c2_st == 0) VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, tmp=1, tmp___0=1, tmp___1=1, tmp___2=1, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L317] COND FALSE !((int )wb_st == 0) VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, tmp=1, tmp___0=1, tmp___1=1, tmp___2=1, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L320] COND FALSE !((int )r_st == 0) VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, tmp=1, tmp___0=1, tmp___1=1, tmp___2=1, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L557] RET eval() [L559] kernel_st = 2 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, kernel_st=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L560] COND FALSE !((int )c_req_up == 1) VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, kernel_st=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L571] kernel_st = 3 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, kernel_st=3, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L572] COND FALSE !((int )e_f == 0) VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, kernel_st=3, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L577] COND FALSE !((int )e_g == 0) VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, kernel_st=3, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L582] COND FALSE !((int )e_e == 0) VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, kernel_st=3, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L587] COND FALSE !((int )e_c == 0) VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=0, kernel_st=3, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L592] COND TRUE (int )e_wl == 0 [L593] e_wl = 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=1, kernel_st=3, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L597] COND TRUE (int )wl_pc == 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=1, kernel_st=3, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=2] [L598] COND TRUE (int )e_wl == 1 [L599] wl_st = 0 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=1, kernel_st=3, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L615] COND TRUE (int )c1_pc == 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=1, kernel_st=3, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L616] COND FALSE !((int )e_f == 1) VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=1, kernel_st=3, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L624] COND TRUE (int )c2_pc == 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=1, kernel_st=3, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L625] COND FALSE !((int )e_f == 1) VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=1, kernel_st=3, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L633] COND TRUE (int )wb_pc == 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=1, kernel_st=3, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L634] COND FALSE !((int )e_g == 1) VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=1, kernel_st=3, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L642] COND FALSE !((int )e_c == 1) VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=1, kernel_st=3, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L647] COND FALSE !((int )e_e == 1) VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=1, kernel_st=3, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L652] COND FALSE !((int )e_f == 1) VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=1, kernel_st=3, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L657] COND FALSE !((int )e_g == 1) VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=1, kernel_st=3, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L662] COND FALSE !((int )e_c == 1) VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=1, kernel_st=3, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L667] COND TRUE (int )e_wl == 1 [L668] e_wl = 2 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=3, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L672] COND TRUE (int )wl_st == 0 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=3, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L553] COND TRUE 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=3, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L556] kernel_st = 1 [L557] CALL eval() [L298] int tmp ; [L299] int tmp___0 ; [L300] int tmp___1 ; [L301] int tmp___2 ; [L302] int tmp___3 ; VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L306] COND TRUE 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L308] COND TRUE (int )wl_st == 0 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=0] [L329] COND TRUE (int )wl_st == 0 [L331] tmp = __VERIFIER_nondet_int() [L333] COND TRUE \read(tmp) [L335] wl_st = 1 [L336] CALL write_loop() [L63] int t ; VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=1] [L66] COND FALSE !((int )wl_pc == 0) VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=1] [L69] COND FALSE !((int )wl_pc == 2) VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=1] [L72] COND TRUE (int )wl_pc == 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=1] [L87] COND TRUE 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=1] [L89] t = d [L90] data = d [L91] processed = 0 [L92] e_f = 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=1, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=1] [L93] COND TRUE (int )c1_pc == 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=1, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=1] [L94] COND TRUE (int )e_f == 1 [L95] c1_st = 0 VAL [c=0, c1_i=1, c1_pc=1, c1_st=0, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=1, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=1] [L102] COND TRUE (int )c2_pc == 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=0, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=1, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=1] [L103] COND TRUE (int )e_f == 1 [L104] c2_st = 0 VAL [c=0, c1_i=1, c1_pc=1, c1_st=0, c2_i=1, c2_pc=1, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=1, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=1, wl_st=1] [L111] e_f = 2 [L112] wl_st = 2 [L113] wl_pc = 2 [L114] t_b = t VAL [c=0, c1_i=1, c1_pc=1, c1_st=0, c2_i=1, c2_pc=1, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L336] RET write_loop() [L344] COND TRUE (int )c1_st == 0 [L346] tmp___0 = __VERIFIER_nondet_int() [L348] COND TRUE \read(tmp___0) [L350] c1_st = 1 [L351] CALL compute1() [L149] COND FALSE !((int )c1_pc == 0) VAL [c=0, c1_i=1, c1_pc=1, c1_st=1, c2_i=1, c2_pc=1, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L152] COND TRUE (int )c1_pc == 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=1, c2_i=1, c2_pc=1, c2_st=0, c_req_up=0, c_t=0, d=0, data=0, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L167] COND TRUE ! processed [L168] data += 1 [L169] e_g = 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=1, c2_i=1, c2_pc=1, c2_st=0, c_req_up=0, c_t=0, d=0, data=1, e_c=2, e_e=2, e_f=2, e_g=1, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L170] COND TRUE (int )wb_pc == 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=1, c2_i=1, c2_pc=1, c2_st=0, c_req_up=0, c_t=0, d=0, data=1, e_c=2, e_e=2, e_f=2, e_g=1, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L171] COND TRUE (int )e_g == 1 [L172] wb_st = 0 VAL [c=0, c1_i=1, c1_pc=1, c1_st=1, c2_i=1, c2_pc=1, c2_st=0, c_req_up=0, c_t=0, d=0, data=1, e_c=2, e_e=2, e_f=2, e_g=1, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=0, wl_i=1, wl_pc=2, wl_st=2] [L179] e_g = 2 VAL [c=0, c1_i=1, c1_pc=1, c1_st=1, c2_i=1, c2_pc=1, c2_st=0, c_req_up=0, c_t=0, d=0, data=1, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=0, wl_i=1, wl_pc=2, wl_st=2] [L160] COND TRUE 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=1, c2_i=1, c2_pc=1, c2_st=0, c_req_up=0, c_t=0, d=0, data=1, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=0, wl_i=1, wl_pc=2, wl_st=2] [L162] c1_st = 2 [L163] c1_pc = 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=0, c_req_up=0, c_t=0, d=0, data=1, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=0, wl_i=1, wl_pc=2, wl_st=2] [L351] RET compute1() [L359] COND TRUE (int )c2_st == 0 [L361] tmp___1 = __VERIFIER_nondet_int() [L363] COND TRUE \read(tmp___1) [L365] c2_st = 1 [L366] CALL compute2() [L194] COND FALSE !((int )c2_pc == 0) VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=1, c_req_up=0, c_t=0, d=0, data=1, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=0, wl_i=1, wl_pc=2, wl_st=2] [L197] COND TRUE (int )c2_pc == 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=1, c_req_up=0, c_t=0, d=0, data=1, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=0, wl_i=1, wl_pc=2, wl_st=2] [L212] COND TRUE ! processed [L213] data += 1 [L214] e_g = 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=1, c_req_up=0, c_t=0, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=1, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=0, wl_i=1, wl_pc=2, wl_st=2] [L215] COND TRUE (int )wb_pc == 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=1, c_req_up=0, c_t=0, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=1, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=0, wl_i=1, wl_pc=2, wl_st=2] [L216] COND TRUE (int )e_g == 1 [L217] wb_st = 0 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=1, c_req_up=0, c_t=0, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=1, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=0, wl_i=1, wl_pc=2, wl_st=2] [L224] e_g = 2 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=1, c_req_up=0, c_t=0, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=0, wl_i=1, wl_pc=2, wl_st=2] [L205] COND TRUE 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=1, c_req_up=0, c_t=0, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=0, wl_i=1, wl_pc=2, wl_st=2] [L207] c2_st = 2 [L208] c2_pc = 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=0, wl_i=1, wl_pc=2, wl_st=2] [L366] RET compute2() [L374] COND TRUE (int )wb_st == 0 [L376] tmp___2 = __VERIFIER_nondet_int() [L378] COND TRUE \read(tmp___2) [L380] wb_st = 1 [L381] CALL write_back() [L239] COND FALSE !((int )wb_pc == 0) VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=1, wl_i=1, wl_pc=2, wl_st=2] [L242] COND TRUE (int )wb_pc == 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=0, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=0, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=1, wl_i=1, wl_pc=2, wl_st=2] [L257] c_t = data [L258] c_req_up = 1 [L259] processed = 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=1, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=1, wl_i=1, wl_pc=2, wl_st=2] [L250] COND TRUE 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=1, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=1, wl_i=1, wl_pc=2, wl_st=2] [L252] wb_st = 2 [L253] wb_pc = 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=1, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L381] RET write_back() [L389] COND FALSE !((int )r_st == 0) VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=1, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, tmp=1, tmp___0=1, tmp___1=1, tmp___2=1, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L306] COND TRUE 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=1, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, tmp=1, tmp___0=1, tmp___1=1, tmp___2=1, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L308] COND FALSE !((int )wl_st == 0) VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=1, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, tmp=1, tmp___0=1, tmp___1=1, tmp___2=1, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L311] COND FALSE !((int )c1_st == 0) VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=1, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, tmp=1, tmp___0=1, tmp___1=1, tmp___2=1, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L314] COND FALSE !((int )c2_st == 0) VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=1, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, tmp=1, tmp___0=1, tmp___1=1, tmp___2=1, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L317] COND FALSE !((int )wb_st == 0) VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=1, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, tmp=1, tmp___0=1, tmp___1=1, tmp___2=1, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L320] COND FALSE !((int )r_st == 0) VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=1, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, tmp=1, tmp___0=1, tmp___1=1, tmp___2=1, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L557] RET eval() [L559] kernel_st = 2 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=1, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L560] COND TRUE (int )c_req_up == 1 VAL [c=0, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=1, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L561] COND TRUE c != c_t [L562] c = c_t [L563] e_c = 0 VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=1, c_t=2, d=0, data=2, e_c=0, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L567] c_req_up = 0 VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=0, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L571] kernel_st = 3 VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=0, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=3, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L572] COND FALSE !((int )e_f == 0) VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=0, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=3, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L577] COND FALSE !((int )e_g == 0) VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=0, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=3, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L582] COND FALSE !((int )e_e == 0) VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=0, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=3, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L587] COND TRUE (int )e_c == 0 [L588] e_c = 1 VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=1, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=3, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L592] COND FALSE !((int )e_wl == 0) VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=1, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=3, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L597] COND FALSE !((int )wl_pc == 1) VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=1, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=3, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L605] COND TRUE (int )wl_pc == 2 VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=1, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=3, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L606] COND FALSE !((int )e_e == 1) VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=1, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=3, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L615] COND TRUE (int )c1_pc == 1 VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=1, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=3, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L616] COND FALSE !((int )e_f == 1) VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=1, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=3, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L624] COND TRUE (int )c2_pc == 1 VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=1, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=3, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L625] COND FALSE !((int )e_f == 1) VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=1, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=3, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L633] COND TRUE (int )wb_pc == 1 VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=1, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=3, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L634] COND FALSE !((int )e_g == 1) VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=1, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=3, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L642] COND TRUE (int )e_c == 1 [L643] r_st = 0 VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=1, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=3, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L647] COND FALSE !((int )e_e == 1) VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=1, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=3, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L652] COND FALSE !((int )e_f == 1) VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=1, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=3, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L657] COND FALSE !((int )e_g == 1) VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=1, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=3, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L662] COND TRUE (int )e_c == 1 [L663] e_c = 2 VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=3, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L667] COND FALSE !((int )e_wl == 1) VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=3, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L672] COND FALSE !((int )wl_st == 0) VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=3, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L675] COND FALSE !((int )c1_st == 0) VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=3, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L678] COND FALSE !((int )c2_st == 0) VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=3, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L681] COND FALSE !((int )wb_st == 0) VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=3, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L684] COND TRUE (int )r_st == 0 VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=3, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L553] COND TRUE 1 VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, kernel_st=3, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L556] kernel_st = 1 [L557] CALL eval() [L298] int tmp ; [L299] int tmp___0 ; [L300] int tmp___1 ; [L301] int tmp___2 ; [L302] int tmp___3 ; VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L306] COND TRUE 1 VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L308] COND FALSE !((int )wl_st == 0) VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L311] COND FALSE !((int )c1_st == 0) VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L314] COND FALSE !((int )c2_st == 0) VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L317] COND FALSE !((int )wb_st == 0) VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L320] COND TRUE (int )r_st == 0 VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L329] COND FALSE !((int )wl_st == 0) VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L344] COND FALSE !((int )c1_st == 0) VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L359] COND FALSE !((int )c2_st == 0) VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L374] COND FALSE !((int )wb_st == 0) VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=0, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L389] COND TRUE (int )r_st == 0 [L391] tmp___3 = __VERIFIER_nondet_int() [L393] COND TRUE \read(tmp___3) [L395] r_st = 1 [L396] CALL read() [L271] d = c [L272] e_e = 1 VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=2, data=2, e_c=2, e_e=1, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=1, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L273] COND FALSE !((int )wl_pc == 1) VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=2, data=2, e_c=2, e_e=1, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=1, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L281] COND TRUE (int )wl_pc == 2 VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=2, data=2, e_c=2, e_e=1, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=1, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=2] [L282] COND TRUE (int )e_e == 1 [L283] wl_st = 0 VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=2, data=2, e_c=2, e_e=1, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=1, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=0] [L291] e_e = 2 [L292] r_st = 2 VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=2, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=0] [L396] RET read() [L306] COND TRUE 1 VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=2, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, tmp___3=4, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=0] [L308] COND TRUE (int )wl_st == 0 VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=2, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, tmp___3=4, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=0] [L329] COND TRUE (int )wl_st == 0 [L331] tmp = __VERIFIER_nondet_int() [L333] COND TRUE \read(tmp) [L335] wl_st = 1 [L336] CALL write_loop() [L63] int t ; VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=2, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=1] [L66] COND FALSE !((int )wl_pc == 0) VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=2, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=1] [L69] COND TRUE (int )wl_pc == 2 VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=2, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=1] [L118] t = t_b VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=2, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=1] [L119] COND FALSE !(d == t + 1) VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=2, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=1] [L122] COND TRUE d == t + 2 VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=2, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t=0, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=1] [L130] COND FALSE !(d == t + 1) [L134] CALL error() [L23] reach_error() VAL [c=2, c1_i=1, c1_pc=1, c1_st=2, c2_i=1, c2_pc=1, c2_st=2, c_req_up=0, c_t=2, d=2, data=2, e_c=2, e_e=2, e_f=2, e_g=2, e_p_in=0, e_wl=2, p_in=0, p_out=0, processed=1, r_i=0, r_st=2, t_b=0, wb_i=1, wb_pc=1, wb_st=2, wl_i=1, wl_pc=2, wl_st=1] - UnprovableResult [Line: 23]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 136 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 51.8s, OverallIterations: 39, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, AutomataDifference: 23.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7755 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7755 mSDsluCounter, 19206 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10683 mSDsCounter, 348 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1246 IncrementalHoareTripleChecker+Invalid, 1594 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 348 mSolverCounterUnsat, 8523 mSDtfsCounter, 1246 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 564 GetRequests, 466 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61971occurred in iteration=17, InterpolantAutomatonStates: 151, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 22.4s AutomataMinimizationTime, 38 MinimizatonAttempts, 26603 StatesRemovedByMinimization, 29 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 4119 NumberOfCodeBlocks, 4119 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 4078 ConstructedInterpolants, 0 QuantifiedInterpolants, 12849 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1111 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 40 InterpolantComputations, 37 PerfectInterpolantSequences, 1606/1789 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-01-11 06:07:40,272 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...