/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/product-lines/email_spec8_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 05:48:20,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 05:48:20,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 05:48:20,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-11 05:48:20,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-11 05:48:20,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-11 05:48:20,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-11 05:48:20,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-11 05:48:20,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-11 05:48:20,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-11 05:48:20,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-11 05:48:20,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-11 05:48:20,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 05:48:20,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 05:48:20,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 05:48:20,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 05:48:20,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 05:48:20,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 05:48:20,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 05:48:20,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 05:48:20,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 05:48:20,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 05:48:20,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 05:48:20,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 05:48:20,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-11 05:48:20,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-11 05:48:20,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-11 05:48:20,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-11 05:48:20,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-11 05:48:20,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-11 05:48:20,388 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-11 05:48:20,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-11 05:48:20,389 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-11 05:48:20,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-11 05:48:20,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-11 05:48:20,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-11 05:48:20,390 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-11 05:48:20,390 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-11 05:48:20,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 05:48:20,391 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 05:48:20,392 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 05:48:20,392 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 05:48:20,405 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 05:48:20,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 05:48:20,406 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 05:48:20,406 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 05:48:20,407 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 05:48:20,407 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 05:48:20,407 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 05:48:20,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 05:48:20,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 05:48:20,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 05:48:20,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 05:48:20,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 05:48:20,408 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 05:48:20,408 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 05:48:20,408 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 05:48:20,408 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 05:48:20,409 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 05:48:20,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 05:48:20,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 05:48:20,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 05:48:20,409 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 05:48:20,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 05:48:20,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 05:48:20,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 05:48:20,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 05:48:20,410 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 05:48:20,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 05:48:20,410 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 05:48:20,410 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 05:48:20,410 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 05:48:20,410 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 05:48:20,410 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 05:48:20,411 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 05:48:20,411 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 05:48:20,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 05:48:20,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 05:48:20,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 05:48:20,604 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 05:48:20,604 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 05:48:20,605 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product21.cil.c [2022-01-11 05:48:20,650 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b45dea8a4/b12851578ee84c3eb45dac8409dd32a5/FLAG0af7c632e [2022-01-11 05:48:21,095 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 05:48:21,095 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product21.cil.c [2022-01-11 05:48:21,114 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b45dea8a4/b12851578ee84c3eb45dac8409dd32a5/FLAG0af7c632e [2022-01-11 05:48:21,419 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b45dea8a4/b12851578ee84c3eb45dac8409dd32a5 [2022-01-11 05:48:21,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 05:48:21,422 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 05:48:21,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 05:48:21,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 05:48:21,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 05:48:21,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 05:48:21" (1/1) ... [2022-01-11 05:48:21,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dfe2d4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:48:21, skipping insertion in model container [2022-01-11 05:48:21,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 05:48:21" (1/1) ... [2022-01-11 05:48:21,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 05:48:21,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 05:48:21,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product21.cil.c[15456,15469] [2022-01-11 05:48:21,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 05:48:21,862 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-01-11 05:48:21,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 05:48:21,890 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product21.cil.c[15456,15469] [2022-01-11 05:48:21,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 05:48:21,954 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 05:48:21,993 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product21.cil.c[15456,15469] [2022-01-11 05:48:22,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 05:48:22,068 INFO L208 MainTranslator]: Completed translation [2022-01-11 05:48:22,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:48:22 WrapperNode [2022-01-11 05:48:22,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 05:48:22,069 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 05:48:22,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 05:48:22,069 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 05:48:22,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:48:22" (1/1) ... [2022-01-11 05:48:22,116 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:48:22" (1/1) ... [2022-01-11 05:48:22,205 INFO L137 Inliner]: procedures = 131, calls = 220, calls flagged for inlining = 126, calls inlined = 324, statements flattened = 4858 [2022-01-11 05:48:22,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 05:48:22,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 05:48:22,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 05:48:22,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 05:48:22,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:48:22" (1/1) ... [2022-01-11 05:48:22,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:48:22" (1/1) ... [2022-01-11 05:48:22,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:48:22" (1/1) ... [2022-01-11 05:48:22,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:48:22" (1/1) ... [2022-01-11 05:48:22,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:48:22" (1/1) ... [2022-01-11 05:48:22,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:48:22" (1/1) ... [2022-01-11 05:48:22,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:48:22" (1/1) ... [2022-01-11 05:48:22,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 05:48:22,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 05:48:22,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 05:48:22,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 05:48:22,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:48:22" (1/1) ... [2022-01-11 05:48:22,308 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 05:48:22,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 05:48:22,330 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 05:48:22,352 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2022-01-11 05:48:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 05:48:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 05:48:22,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 05:48:22,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 05:48:22,341 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 05:48:22,555 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 05:48:22,556 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 05:48:24,238 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 05:48:24,251 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 05:48:24,251 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-11 05:48:24,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 05:48:24 BoogieIcfgContainer [2022-01-11 05:48:24,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 05:48:24,254 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 05:48:24,254 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 05:48:24,255 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 05:48:24,257 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 05:48:24" (1/1) ... [2022-01-11 05:48:24,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 05:48:24 BasicIcfg [2022-01-11 05:48:24,588 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 05:48:24,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 05:48:24,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 05:48:24,593 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 05:48:24,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 05:48:21" (1/4) ... [2022-01-11 05:48:24,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@313b0c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 05:48:24, skipping insertion in model container [2022-01-11 05:48:24,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 05:48:22" (2/4) ... [2022-01-11 05:48:24,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@313b0c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 05:48:24, skipping insertion in model container [2022-01-11 05:48:24,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 05:48:24" (3/4) ... [2022-01-11 05:48:24,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@313b0c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 05:48:24, skipping insertion in model container [2022-01-11 05:48:24,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 05:48:24" (4/4) ... [2022-01-11 05:48:24,595 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec8_product21.cil.cTransformedIcfg [2022-01-11 05:48:24,600 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 05:48:24,600 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-01-11 05:48:24,644 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 05:48:24,651 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 05:48:24,651 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-01-11 05:48:24,711 INFO L276 IsEmpty]: Start isEmpty. Operand has 1048 states, 1041 states have (on average 1.6733909702209413) internal successors, (1742), 1047 states have internal predecessors, (1742), 0 states have call successors, (0), 0 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 05:48:24,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-01-11 05:48:24,720 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:48:24,720 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 05:48:24,721 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-11 05:48:24,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:48:24,725 INFO L85 PathProgramCache]: Analyzing trace with hash 2119502253, now seen corresponding path program 1 times [2022-01-11 05:48:24,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:48:24,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775871043] [2022-01-11 05:48:24,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:48:24,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:48:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:48:24,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 05:48:24,959 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:48:24,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775871043] [2022-01-11 05:48:24,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775871043] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 05:48:24,959 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 05:48:24,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 05:48:24,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5638231] [2022-01-11 05:48:24,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 05:48:24,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-11 05:48:24,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:48:24,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-11 05:48:24,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-11 05:48:24,984 INFO L87 Difference]: Start difference. First operand has 1048 states, 1041 states have (on average 1.6733909702209413) internal successors, (1742), 1047 states have internal predecessors, (1742), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 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 05:48:25,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 05:48:25,043 INFO L93 Difference]: Finished difference Result 1787 states and 2937 transitions. [2022-01-11 05:48:25,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-11 05:48:25,045 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 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 51 [2022-01-11 05:48:25,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 05:48:25,061 INFO L225 Difference]: With dead ends: 1787 [2022-01-11 05:48:25,061 INFO L226 Difference]: Without dead ends: 893 [2022-01-11 05:48:25,067 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-11 05:48:25,072 INFO L933 BasicCegarLoop]: 1728 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1728 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 05:48:25,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1728 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 05:48:25,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2022-01-11 05:48:25,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 893. [2022-01-11 05:48:25,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 893 states, 887 states have (on average 1.6865839909808342) internal successors, (1496), 892 states have internal predecessors, (1496), 0 states have call successors, (0), 0 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 05:48:25,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 1496 transitions. [2022-01-11 05:48:25,151 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 1496 transitions. Word has length 51 [2022-01-11 05:48:25,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 05:48:25,151 INFO L470 AbstractCegarLoop]: Abstraction has 893 states and 1496 transitions. [2022-01-11 05:48:25,152 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 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 05:48:25,152 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1496 transitions. [2022-01-11 05:48:25,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-01-11 05:48:25,158 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:48:25,158 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 05:48:25,158 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-11 05:48:25,158 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-11 05:48:25,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:48:25,160 INFO L85 PathProgramCache]: Analyzing trace with hash 919158714, now seen corresponding path program 1 times [2022-01-11 05:48:25,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:48:25,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652476355] [2022-01-11 05:48:25,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:48:25,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:48:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:48:25,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 05:48:25,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:48:25,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652476355] [2022-01-11 05:48:25,348 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652476355] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 05:48:25,348 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 05:48:25,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 05:48:25,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461409083] [2022-01-11 05:48:25,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 05:48:25,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 05:48:25,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:48:25,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 05:48:25,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 05:48:25,350 INFO L87 Difference]: Start difference. First operand 893 states and 1496 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 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 05:48:25,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 05:48:25,392 INFO L93 Difference]: Finished difference Result 1394 states and 2301 transitions. [2022-01-11 05:48:25,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 05:48:25,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2022-01-11 05:48:25,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 05:48:25,397 INFO L225 Difference]: With dead ends: 1394 [2022-01-11 05:48:25,397 INFO L226 Difference]: Without dead ends: 895 [2022-01-11 05:48:25,400 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 05:48:25,401 INFO L933 BasicCegarLoop]: 1476 mSDtfsCounter, 688 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 688 SdHoareTripleChecker+Valid, 2229 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 05:48:25,401 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [688 Valid, 2229 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 05:48:25,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2022-01-11 05:48:25,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 881. [2022-01-11 05:48:25,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 881 states, 877 states have (on average 1.685290763968073) internal successors, (1478), 880 states have internal predecessors, (1478), 0 states have call successors, (0), 0 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 05:48:25,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1478 transitions. [2022-01-11 05:48:25,422 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1478 transitions. Word has length 52 [2022-01-11 05:48:25,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 05:48:25,423 INFO L470 AbstractCegarLoop]: Abstraction has 881 states and 1478 transitions. [2022-01-11 05:48:25,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 2 states have internal predecessors, (52), 0 states have call successors, (0), 0 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 05:48:25,426 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1478 transitions. [2022-01-11 05:48:25,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-01-11 05:48:25,433 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:48:25,433 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:48:25,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-11 05:48:25,433 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-11 05:48:25,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:48:25,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1702884011, now seen corresponding path program 1 times [2022-01-11 05:48:25,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:48:25,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814486146] [2022-01-11 05:48:25,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:48:25,456 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:48:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:48:25,638 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 05:48:25,638 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:48:25,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814486146] [2022-01-11 05:48:25,638 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814486146] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 05:48:25,638 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 05:48:25,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 05:48:25,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874014254] [2022-01-11 05:48:25,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 05:48:25,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 05:48:25,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:48:25,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 05:48:25,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 05:48:25,645 INFO L87 Difference]: Start difference. First operand 881 states and 1478 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 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 05:48:25,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 05:48:25,724 INFO L93 Difference]: Finished difference Result 1743 states and 2928 transitions. [2022-01-11 05:48:25,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 05:48:25,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 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 93 [2022-01-11 05:48:25,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 05:48:25,729 INFO L225 Difference]: With dead ends: 1743 [2022-01-11 05:48:25,729 INFO L226 Difference]: Without dead ends: 881 [2022-01-11 05:48:25,733 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 05:48:25,736 INFO L933 BasicCegarLoop]: 1457 mSDtfsCounter, 1453 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1453 SdHoareTripleChecker+Valid, 1470 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 05:48:25,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1453 Valid, 1470 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 05:48:25,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2022-01-11 05:48:25,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 881. [2022-01-11 05:48:25,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 881 states, 877 states have (on average 1.6830102622576968) internal successors, (1476), 880 states have internal predecessors, (1476), 0 states have call successors, (0), 0 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 05:48:25,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1476 transitions. [2022-01-11 05:48:25,763 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1476 transitions. Word has length 93 [2022-01-11 05:48:25,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 05:48:25,764 INFO L470 AbstractCegarLoop]: Abstraction has 881 states and 1476 transitions. [2022-01-11 05:48:25,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 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 05:48:25,764 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1476 transitions. [2022-01-11 05:48:25,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-01-11 05:48:25,767 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:48:25,767 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:48:25,767 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-11 05:48:25,767 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-11 05:48:25,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:48:25,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1594543467, now seen corresponding path program 1 times [2022-01-11 05:48:25,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:48:25,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816846762] [2022-01-11 05:48:25,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:48:25,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:48:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:48:25,878 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 05:48:25,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:48:25,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816846762] [2022-01-11 05:48:25,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816846762] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 05:48:25,879 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 05:48:25,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-11 05:48:25,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144499665] [2022-01-11 05:48:25,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 05:48:25,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-11 05:48:25,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:48:25,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-11 05:48:25,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-11 05:48:25,882 INFO L87 Difference]: Start difference. First operand 881 states and 1476 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 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 05:48:26,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 05:48:26,173 INFO L93 Difference]: Finished difference Result 4273 states and 7176 transitions. [2022-01-11 05:48:26,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-11 05:48:26,173 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 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 95 [2022-01-11 05:48:26,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 05:48:26,184 INFO L225 Difference]: With dead ends: 4273 [2022-01-11 05:48:26,184 INFO L226 Difference]: Without dead ends: 3416 [2022-01-11 05:48:26,185 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-01-11 05:48:26,186 INFO L933 BasicCegarLoop]: 2875 mSDtfsCounter, 7163 mSDsluCounter, 4300 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7163 SdHoareTripleChecker+Valid, 7175 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 05:48:26,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7163 Valid, 7175 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 05:48:26,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3416 states. [2022-01-11 05:48:26,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3416 to 881. [2022-01-11 05:48:26,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 881 states, 877 states have (on average 1.6818700114025085) internal successors, (1475), 880 states have internal predecessors, (1475), 0 states have call successors, (0), 0 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 05:48:26,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1475 transitions. [2022-01-11 05:48:26,232 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1475 transitions. Word has length 95 [2022-01-11 05:48:26,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 05:48:26,233 INFO L470 AbstractCegarLoop]: Abstraction has 881 states and 1475 transitions. [2022-01-11 05:48:26,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 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 05:48:26,233 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1475 transitions. [2022-01-11 05:48:26,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-01-11 05:48:26,234 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:48:26,234 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:48:26,234 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-11 05:48:26,234 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-11 05:48:26,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:48:26,235 INFO L85 PathProgramCache]: Analyzing trace with hash -101381827, now seen corresponding path program 1 times [2022-01-11 05:48:26,235 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:48:26,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817202354] [2022-01-11 05:48:26,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:48:26,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:48:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:48:26,361 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 05:48:26,361 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:48:26,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817202354] [2022-01-11 05:48:26,362 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817202354] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 05:48:26,362 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 05:48:26,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 05:48:26,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555673732] [2022-01-11 05:48:26,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 05:48:26,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 05:48:26,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:48:26,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 05:48:26,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 05:48:26,364 INFO L87 Difference]: Start difference. First operand 881 states and 1475 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 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 05:48:26,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 05:48:26,433 INFO L93 Difference]: Finished difference Result 1747 states and 2928 transitions. [2022-01-11 05:48:26,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 05:48:26,434 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 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 96 [2022-01-11 05:48:26,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 05:48:26,437 INFO L225 Difference]: With dead ends: 1747 [2022-01-11 05:48:26,437 INFO L226 Difference]: Without dead ends: 895 [2022-01-11 05:48:26,438 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 05:48:26,439 INFO L933 BasicCegarLoop]: 1489 mSDtfsCounter, 1454 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1454 SdHoareTripleChecker+Valid, 1511 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 05:48:26,439 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1454 Valid, 1511 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 05:48:26,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2022-01-11 05:48:26,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 881. [2022-01-11 05:48:26,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 881 states, 877 states have (on average 1.6807297605473204) internal successors, (1474), 880 states have internal predecessors, (1474), 0 states have call successors, (0), 0 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 05:48:26,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1474 transitions. [2022-01-11 05:48:26,484 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1474 transitions. Word has length 96 [2022-01-11 05:48:26,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 05:48:26,484 INFO L470 AbstractCegarLoop]: Abstraction has 881 states and 1474 transitions. [2022-01-11 05:48:26,484 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 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 05:48:26,484 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1474 transitions. [2022-01-11 05:48:26,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-01-11 05:48:26,488 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:48:26,489 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:48:26,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-11 05:48:26,489 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-11 05:48:26,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:48:26,489 INFO L85 PathProgramCache]: Analyzing trace with hash -2033977652, now seen corresponding path program 1 times [2022-01-11 05:48:26,489 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:48:26,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611351858] [2022-01-11 05:48:26,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:48:26,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:48:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:48:26,591 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 05:48:26,592 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:48:26,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611351858] [2022-01-11 05:48:26,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611351858] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 05:48:26,592 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 05:48:26,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-11 05:48:26,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545126873] [2022-01-11 05:48:26,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 05:48:26,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-11 05:48:26,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:48:26,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-11 05:48:26,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-11 05:48:26,605 INFO L87 Difference]: Start difference. First operand 881 states and 1474 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 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 05:48:26,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 05:48:26,762 INFO L93 Difference]: Finished difference Result 2577 states and 4322 transitions. [2022-01-11 05:48:26,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-11 05:48:26,763 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 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 97 [2022-01-11 05:48:26,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 05:48:26,768 INFO L225 Difference]: With dead ends: 2577 [2022-01-11 05:48:26,768 INFO L226 Difference]: Without dead ends: 1730 [2022-01-11 05:48:26,770 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-01-11 05:48:26,770 INFO L933 BasicCegarLoop]: 1483 mSDtfsCounter, 7086 mSDsluCounter, 1497 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7086 SdHoareTripleChecker+Valid, 2980 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 05:48:26,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7086 Valid, 2980 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 05:48:26,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1730 states. [2022-01-11 05:48:26,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1730 to 881. [2022-01-11 05:48:26,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 881 states, 877 states have (on average 1.6784492588369442) internal successors, (1472), 880 states have internal predecessors, (1472), 0 states have call successors, (0), 0 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 05:48:26,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1472 transitions. [2022-01-11 05:48:26,815 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1472 transitions. Word has length 97 [2022-01-11 05:48:26,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 05:48:26,815 INFO L470 AbstractCegarLoop]: Abstraction has 881 states and 1472 transitions. [2022-01-11 05:48:26,816 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 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 05:48:26,816 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1472 transitions. [2022-01-11 05:48:26,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-01-11 05:48:26,817 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:48:26,817 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:48:26,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-11 05:48:26,817 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-11 05:48:26,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:48:26,818 INFO L85 PathProgramCache]: Analyzing trace with hash -506047767, now seen corresponding path program 1 times [2022-01-11 05:48:26,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:48:26,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839748807] [2022-01-11 05:48:26,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:48:26,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:48:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:48:26,932 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 05:48:26,933 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:48:26,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839748807] [2022-01-11 05:48:26,933 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839748807] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 05:48:26,933 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 05:48:26,933 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-11 05:48:26,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42292555] [2022-01-11 05:48:26,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 05:48:26,933 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-11 05:48:26,933 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:48:26,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-11 05:48:26,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-01-11 05:48:26,934 INFO L87 Difference]: Start difference. First operand 881 states and 1472 transitions. Second operand has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 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 05:48:28,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 05:48:28,022 INFO L93 Difference]: Finished difference Result 4564 states and 7420 transitions. [2022-01-11 05:48:28,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-11 05:48:28,023 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 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 99 [2022-01-11 05:48:28,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 05:48:28,034 INFO L225 Difference]: With dead ends: 4564 [2022-01-11 05:48:28,034 INFO L226 Difference]: Without dead ends: 4043 [2022-01-11 05:48:28,036 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=153, Invalid=309, Unknown=0, NotChecked=0, Total=462 [2022-01-11 05:48:28,036 INFO L933 BasicCegarLoop]: 2309 mSDtfsCounter, 12542 mSDsluCounter, 11814 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12542 SdHoareTripleChecker+Valid, 14123 SdHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-11 05:48:28,036 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12542 Valid, 14123 Invalid, 852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-11 05:48:28,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4043 states. [2022-01-11 05:48:28,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4043 to 1670. [2022-01-11 05:48:28,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1670 states, 1666 states have (on average 1.683673469387755) internal successors, (2805), 1669 states have internal predecessors, (2805), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:48:28,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1670 states and 2805 transitions. [2022-01-11 05:48:28,159 INFO L78 Accepts]: Start accepts. Automaton has 1670 states and 2805 transitions. Word has length 99 [2022-01-11 05:48:28,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 05:48:28,159 INFO L470 AbstractCegarLoop]: Abstraction has 1670 states and 2805 transitions. [2022-01-11 05:48:28,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.0) internal successors, (99), 8 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 05:48:28,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 2805 transitions. [2022-01-11 05:48:28,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-01-11 05:48:28,162 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:48:28,162 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:48:28,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-11 05:48:28,162 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-11 05:48:28,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:48:28,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1076343162, now seen corresponding path program 1 times [2022-01-11 05:48:28,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:48:28,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348650485] [2022-01-11 05:48:28,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:48:28,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:48:28,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:48:28,228 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 05:48:28,229 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:48:28,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348650485] [2022-01-11 05:48:28,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348650485] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 05:48:28,229 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 05:48:28,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-11 05:48:28,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256374648] [2022-01-11 05:48:28,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 05:48:28,229 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-11 05:48:28,229 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:48:28,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-11 05:48:28,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-11 05:48:28,230 INFO L87 Difference]: Start difference. First operand 1670 states and 2805 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 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 05:48:28,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 05:48:28,385 INFO L93 Difference]: Finished difference Result 2744 states and 4536 transitions. [2022-01-11 05:48:28,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-11 05:48:28,386 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2022-01-11 05:48:28,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 05:48:28,392 INFO L225 Difference]: With dead ends: 2744 [2022-01-11 05:48:28,392 INFO L226 Difference]: Without dead ends: 2172 [2022-01-11 05:48:28,393 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-11 05:48:28,394 INFO L933 BasicCegarLoop]: 1466 mSDtfsCounter, 2573 mSDsluCounter, 1807 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2573 SdHoareTripleChecker+Valid, 3273 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 05:48:28,394 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2573 Valid, 3273 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 05:48:28,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2172 states. [2022-01-11 05:48:28,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2172 to 1670. [2022-01-11 05:48:28,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1670 states, 1666 states have (on average 1.6830732292917168) internal successors, (2804), 1669 states have internal predecessors, (2804), 0 states have call successors, (0), 0 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 05:48:28,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1670 states and 2804 transitions. [2022-01-11 05:48:28,500 INFO L78 Accepts]: Start accepts. Automaton has 1670 states and 2804 transitions. Word has length 100 [2022-01-11 05:48:28,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 05:48:28,500 INFO L470 AbstractCegarLoop]: Abstraction has 1670 states and 2804 transitions. [2022-01-11 05:48:28,500 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 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 05:48:28,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 2804 transitions. [2022-01-11 05:48:28,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-01-11 05:48:28,502 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:48:28,502 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:48:28,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-11 05:48:28,503 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-11 05:48:28,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:48:28,503 INFO L85 PathProgramCache]: Analyzing trace with hash 867644859, now seen corresponding path program 1 times [2022-01-11 05:48:28,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:48:28,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965476683] [2022-01-11 05:48:28,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:48:28,503 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:48:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:48:28,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 05:48:28,612 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:48:28,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965476683] [2022-01-11 05:48:28,612 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965476683] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 05:48:28,612 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 05:48:28,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-11 05:48:28,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629877800] [2022-01-11 05:48:28,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 05:48:28,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-11 05:48:28,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:48:28,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-11 05:48:28,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-11 05:48:28,613 INFO L87 Difference]: Start difference. First operand 1670 states and 2804 transitions. Second operand has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 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 05:48:29,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 05:48:29,424 INFO L93 Difference]: Finished difference Result 7917 states and 12770 transitions. [2022-01-11 05:48:29,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-11 05:48:29,425 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2022-01-11 05:48:29,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 05:48:29,447 INFO L225 Difference]: With dead ends: 7917 [2022-01-11 05:48:29,447 INFO L226 Difference]: Without dead ends: 6516 [2022-01-11 05:48:29,449 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-11 05:48:29,450 INFO L933 BasicCegarLoop]: 1461 mSDtfsCounter, 7987 mSDsluCounter, 4764 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7987 SdHoareTripleChecker+Valid, 6225 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-11 05:48:29,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7987 Valid, 6225 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-11 05:48:29,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6516 states. [2022-01-11 05:48:29,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6516 to 3590. [2022-01-11 05:48:29,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3590 states, 3586 states have (on average 1.638036809815951) internal successors, (5874), 3589 states have internal predecessors, (5874), 0 states have call successors, (0), 0 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 05:48:29,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3590 states to 3590 states and 5874 transitions. [2022-01-11 05:48:29,767 INFO L78 Accepts]: Start accepts. Automaton has 3590 states and 5874 transitions. Word has length 100 [2022-01-11 05:48:29,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 05:48:29,768 INFO L470 AbstractCegarLoop]: Abstraction has 3590 states and 5874 transitions. [2022-01-11 05:48:29,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 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 05:48:29,768 INFO L276 IsEmpty]: Start isEmpty. Operand 3590 states and 5874 transitions. [2022-01-11 05:48:29,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-01-11 05:48:29,773 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:48:29,773 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:48:29,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-11 05:48:29,773 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-11 05:48:29,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:48:29,774 INFO L85 PathProgramCache]: Analyzing trace with hash 28664190, now seen corresponding path program 1 times [2022-01-11 05:48:29,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:48:29,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538686823] [2022-01-11 05:48:29,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:48:29,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:48:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:48:29,889 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 05:48:29,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:48:29,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538686823] [2022-01-11 05:48:29,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538686823] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 05:48:29,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 05:48:29,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-01-11 05:48:29,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53359895] [2022-01-11 05:48:29,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 05:48:29,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-11 05:48:29,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:48:29,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-11 05:48:29,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-01-11 05:48:29,891 INFO L87 Difference]: Start difference. First operand 3590 states and 5874 transitions. Second operand has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 9 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:48:30,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 05:48:30,514 INFO L93 Difference]: Finished difference Result 6860 states and 11056 transitions. [2022-01-11 05:48:30,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-01-11 05:48:30,514 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 9 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 101 [2022-01-11 05:48:30,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 05:48:30,538 INFO L225 Difference]: With dead ends: 6860 [2022-01-11 05:48:30,538 INFO L226 Difference]: Without dead ends: 4820 [2022-01-11 05:48:30,541 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2022-01-11 05:48:30,542 INFO L933 BasicCegarLoop]: 1555 mSDtfsCounter, 7410 mSDsluCounter, 6416 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7410 SdHoareTripleChecker+Valid, 7971 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-11 05:48:30,543 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7410 Valid, 7971 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-11 05:48:30,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4820 states. [2022-01-11 05:48:30,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4820 to 2968. [2022-01-11 05:48:30,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2968 states, 2964 states have (on average 1.639676113360324) internal successors, (4860), 2967 states have internal predecessors, (4860), 0 states have call successors, (0), 0 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 05:48:30,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2968 states to 2968 states and 4860 transitions. [2022-01-11 05:48:30,774 INFO L78 Accepts]: Start accepts. Automaton has 2968 states and 4860 transitions. Word has length 101 [2022-01-11 05:48:30,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 05:48:30,774 INFO L470 AbstractCegarLoop]: Abstraction has 2968 states and 4860 transitions. [2022-01-11 05:48:30,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.222222222222221) internal successors, (101), 9 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:48:30,775 INFO L276 IsEmpty]: Start isEmpty. Operand 2968 states and 4860 transitions. [2022-01-11 05:48:30,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-01-11 05:48:30,778 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:48:30,778 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:48:30,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-11 05:48:30,779 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-11 05:48:30,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:48:30,779 INFO L85 PathProgramCache]: Analyzing trace with hash -592403005, now seen corresponding path program 1 times [2022-01-11 05:48:30,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:48:30,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721205510] [2022-01-11 05:48:30,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:48:30,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:48:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:48:30,861 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 05:48:30,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:48:30,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721205510] [2022-01-11 05:48:30,862 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721205510] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 05:48:30,862 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 05:48:30,862 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-11 05:48:30,862 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70230094] [2022-01-11 05:48:30,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 05:48:30,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-11 05:48:30,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:48:30,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-11 05:48:30,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-11 05:48:30,863 INFO L87 Difference]: Start difference. First operand 2968 states and 4860 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:48:32,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 05:48:32,040 INFO L93 Difference]: Finished difference Result 14357 states and 22943 transitions. [2022-01-11 05:48:32,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-11 05:48:32,041 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-01-11 05:48:32,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 05:48:32,061 INFO L225 Difference]: With dead ends: 14357 [2022-01-11 05:48:32,062 INFO L226 Difference]: Without dead ends: 12085 [2022-01-11 05:48:32,066 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-11 05:48:32,067 INFO L933 BasicCegarLoop]: 1705 mSDtfsCounter, 5734 mSDsluCounter, 5027 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5734 SdHoareTripleChecker+Valid, 6732 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 05:48:32,067 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5734 Valid, 6732 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 05:48:32,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12085 states. [2022-01-11 05:48:32,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12085 to 5897. [2022-01-11 05:48:32,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5897 states, 5893 states have (on average 1.6346512811810623) internal successors, (9633), 5896 states have internal predecessors, (9633), 0 states have call successors, (0), 0 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 05:48:32,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5897 states to 5897 states and 9633 transitions. [2022-01-11 05:48:32,551 INFO L78 Accepts]: Start accepts. Automaton has 5897 states and 9633 transitions. Word has length 104 [2022-01-11 05:48:32,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 05:48:32,551 INFO L470 AbstractCegarLoop]: Abstraction has 5897 states and 9633 transitions. [2022-01-11 05:48:32,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:48:32,552 INFO L276 IsEmpty]: Start isEmpty. Operand 5897 states and 9633 transitions. [2022-01-11 05:48:32,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-11 05:48:32,558 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:48:32,558 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:48:32,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-11 05:48:32,559 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-11 05:48:32,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:48:32,559 INFO L85 PathProgramCache]: Analyzing trace with hash 227679804, now seen corresponding path program 1 times [2022-01-11 05:48:32,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:48:32,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623208740] [2022-01-11 05:48:32,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:48:32,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:48:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:48:32,678 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 05:48:32,678 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:48:32,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623208740] [2022-01-11 05:48:32,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623208740] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 05:48:32,678 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 05:48:32,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-11 05:48:32,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376324936] [2022-01-11 05:48:32,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 05:48:32,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-11 05:48:32,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:48:32,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-11 05:48:32,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-01-11 05:48:32,680 INFO L87 Difference]: Start difference. First operand 5897 states and 9633 transitions. Second operand has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 8 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:48:36,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 05:48:36,087 INFO L93 Difference]: Finished difference Result 32971 states and 52504 transitions. [2022-01-11 05:48:36,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-11 05:48:36,087 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 8 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-01-11 05:48:36,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 05:48:36,145 INFO L225 Difference]: With dead ends: 32971 [2022-01-11 05:48:36,145 INFO L226 Difference]: Without dead ends: 28429 [2022-01-11 05:48:36,155 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=153, Invalid=309, Unknown=0, NotChecked=0, Total=462 [2022-01-11 05:48:36,156 INFO L933 BasicCegarLoop]: 2131 mSDtfsCounter, 10657 mSDsluCounter, 12374 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10657 SdHoareTripleChecker+Valid, 14505 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-11 05:48:36,156 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10657 Valid, 14505 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-11 05:48:36,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28429 states. [2022-01-11 05:48:37,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28429 to 11765. [2022-01-11 05:48:37,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11765 states, 11761 states have (on average 1.6341297508715245) internal successors, (19219), 11764 states have internal predecessors, (19219), 0 states have call successors, (0), 0 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 05:48:37,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11765 states to 11765 states and 19219 transitions. [2022-01-11 05:48:37,425 INFO L78 Accepts]: Start accepts. Automaton has 11765 states and 19219 transitions. Word has length 105 [2022-01-11 05:48:37,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 05:48:37,425 INFO L470 AbstractCegarLoop]: Abstraction has 11765 states and 19219 transitions. [2022-01-11 05:48:37,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 8 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:48:37,425 INFO L276 IsEmpty]: Start isEmpty. Operand 11765 states and 19219 transitions. [2022-01-11 05:48:37,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-11 05:48:37,437 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:48:37,437 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:48:37,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-11 05:48:37,437 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-11 05:48:37,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:48:37,438 INFO L85 PathProgramCache]: Analyzing trace with hash -570807777, now seen corresponding path program 1 times [2022-01-11 05:48:37,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:48:37,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157602871] [2022-01-11 05:48:37,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:48:37,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:48:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:48:37,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 05:48:37,551 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:48:37,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157602871] [2022-01-11 05:48:37,552 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157602871] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 05:48:37,552 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 05:48:37,552 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-11 05:48:37,552 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538990964] [2022-01-11 05:48:37,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 05:48:37,552 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-11 05:48:37,552 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:48:37,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-11 05:48:37,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-01-11 05:48:37,553 INFO L87 Difference]: Start difference. First operand 11765 states and 19219 transitions. Second operand has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 8 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:48:43,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 05:48:43,892 INFO L93 Difference]: Finished difference Result 61734 states and 98362 transitions. [2022-01-11 05:48:43,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-01-11 05:48:43,892 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 8 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-01-11 05:48:43,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 05:48:44,005 INFO L225 Difference]: With dead ends: 61734 [2022-01-11 05:48:44,005 INFO L226 Difference]: Without dead ends: 52660 [2022-01-11 05:48:44,030 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=153, Invalid=309, Unknown=0, NotChecked=0, Total=462 [2022-01-11 05:48:44,031 INFO L933 BasicCegarLoop]: 2173 mSDtfsCounter, 12454 mSDsluCounter, 11078 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12454 SdHoareTripleChecker+Valid, 13251 SdHoareTripleChecker+Invalid, 842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-11 05:48:44,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12454 Valid, 13251 Invalid, 842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 779 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-11 05:48:44,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52660 states. [2022-01-11 05:48:46,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52660 to 23569. [2022-01-11 05:48:46,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23569 states, 23565 states have (on average 1.6338213452153618) internal successors, (38501), 23568 states have internal predecessors, (38501), 0 states have call successors, (0), 0 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 05:48:46,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23569 states to 23569 states and 38501 transitions. [2022-01-11 05:48:46,713 INFO L78 Accepts]: Start accepts. Automaton has 23569 states and 38501 transitions. Word has length 105 [2022-01-11 05:48:46,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 05:48:46,713 INFO L470 AbstractCegarLoop]: Abstraction has 23569 states and 38501 transitions. [2022-01-11 05:48:46,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.666666666666666) internal successors, (105), 8 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:48:46,713 INFO L276 IsEmpty]: Start isEmpty. Operand 23569 states and 38501 transitions. [2022-01-11 05:48:46,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-11 05:48:46,729 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:48:46,729 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:48:46,730 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-11 05:48:46,730 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-11 05:48:46,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:48:46,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1224054097, now seen corresponding path program 1 times [2022-01-11 05:48:46,730 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:48:46,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565304265] [2022-01-11 05:48:46,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:48:46,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:48:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:48:46,834 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 05:48:46,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:48:46,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565304265] [2022-01-11 05:48:46,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565304265] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 05:48:46,834 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 05:48:46,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-11 05:48:46,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295178899] [2022-01-11 05:48:46,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 05:48:46,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-11 05:48:46,835 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:48:46,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-11 05:48:46,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-11 05:48:46,836 INFO L87 Difference]: Start difference. First operand 23569 states and 38501 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:48:52,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 05:48:52,491 INFO L93 Difference]: Finished difference Result 49215 states and 78733 transitions. [2022-01-11 05:48:52,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-11 05:48:52,492 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-01-11 05:48:52,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 05:48:52,571 INFO L225 Difference]: With dead ends: 49215 [2022-01-11 05:48:52,571 INFO L226 Difference]: Without dead ends: 46911 [2022-01-11 05:48:52,587 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-11 05:48:52,588 INFO L933 BasicCegarLoop]: 2636 mSDtfsCounter, 5674 mSDsluCounter, 6746 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5674 SdHoareTripleChecker+Valid, 9382 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-11 05:48:52,588 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5674 Valid, 9382 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-11 05:48:52,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46911 states. [2022-01-11 05:48:55,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46911 to 25949. [2022-01-11 05:48:55,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25949 states, 25945 states have (on average 1.6300250529967237) internal successors, (42291), 25948 states have internal predecessors, (42291), 0 states have call successors, (0), 0 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 05:48:55,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25949 states to 25949 states and 42291 transitions. [2022-01-11 05:48:55,473 INFO L78 Accepts]: Start accepts. Automaton has 25949 states and 42291 transitions. Word has length 105 [2022-01-11 05:48:55,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 05:48:55,473 INFO L470 AbstractCegarLoop]: Abstraction has 25949 states and 42291 transitions. [2022-01-11 05:48:55,473 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:48:55,474 INFO L276 IsEmpty]: Start isEmpty. Operand 25949 states and 42291 transitions. [2022-01-11 05:48:55,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-01-11 05:48:55,493 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:48:55,494 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:48:55,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-11 05:48:55,494 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-11 05:48:55,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:48:55,494 INFO L85 PathProgramCache]: Analyzing trace with hash 2039045039, now seen corresponding path program 1 times [2022-01-11 05:48:55,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:48:55,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524697125] [2022-01-11 05:48:55,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:48:55,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:48:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:48:55,596 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 05:48:55,596 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:48:55,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524697125] [2022-01-11 05:48:55,596 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524697125] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 05:48:55,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 05:48:55,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-11 05:48:55,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543960461] [2022-01-11 05:48:55,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 05:48:55,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-11 05:48:55,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:48:55,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-11 05:48:55,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-11 05:48:55,598 INFO L87 Difference]: Start difference. First operand 25949 states and 42291 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:49:08,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 05:49:08,461 INFO L93 Difference]: Finished difference Result 126783 states and 202067 transitions. [2022-01-11 05:49:08,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-11 05:49:08,461 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-01-11 05:49:08,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 05:49:08,660 INFO L225 Difference]: With dead ends: 126783 [2022-01-11 05:49:08,661 INFO L226 Difference]: Without dead ends: 106413 [2022-01-11 05:49:08,703 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-01-11 05:49:08,704 INFO L933 BasicCegarLoop]: 1942 mSDtfsCounter, 5174 mSDsluCounter, 4938 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5174 SdHoareTripleChecker+Valid, 6880 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 05:49:08,704 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5174 Valid, 6880 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 05:49:08,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106413 states. [2022-01-11 05:49:14,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106413 to 51751. [2022-01-11 05:49:14,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51751 states, 51747 states have (on average 1.6304520068796258) internal successors, (84371), 51750 states have internal predecessors, (84371), 0 states have call successors, (0), 0 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 05:49:15,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51751 states to 51751 states and 84371 transitions. [2022-01-11 05:49:15,050 INFO L78 Accepts]: Start accepts. Automaton has 51751 states and 84371 transitions. Word has length 105 [2022-01-11 05:49:15,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 05:49:15,050 INFO L470 AbstractCegarLoop]: Abstraction has 51751 states and 84371 transitions. [2022-01-11 05:49:15,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 4 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 05:49:15,050 INFO L276 IsEmpty]: Start isEmpty. Operand 51751 states and 84371 transitions. [2022-01-11 05:49:15,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-01-11 05:49:15,087 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 05:49:15,087 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:49:15,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-11 05:49:15,088 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2022-01-11 05:49:15,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 05:49:15,088 INFO L85 PathProgramCache]: Analyzing trace with hash 328267644, now seen corresponding path program 1 times [2022-01-11 05:49:15,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 05:49:15,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392482012] [2022-01-11 05:49:15,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 05:49:15,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 05:49:15,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 05:49:15,228 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 05:49:15,229 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 05:49:15,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392482012] [2022-01-11 05:49:15,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392482012] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 05:49:15,231 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 05:49:15,231 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-11 05:49:15,231 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887009955] [2022-01-11 05:49:15,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 05:49:15,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-11 05:49:15,231 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 05:49:15,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-11 05:49:15,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-01-11 05:49:15,232 INFO L87 Difference]: Start difference. First operand 51751 states and 84371 transitions. Second operand has 9 states, 9 states have (on average 11.777777777777779) internal successors, (106), 8 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)