/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/bitvector/s3_srvr_3a.BV.c.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 01:55:03,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 01:55:03,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 01:55:03,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-11 01:55:03,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-11 01:55:03,276 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-11 01:55:03,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-11 01:55:03,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-11 01:55:03,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-11 01:55:03,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-11 01:55:03,299 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-11 01:55:03,300 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-11 01:55:03,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 01:55:03,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 01:55:03,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 01:55:03,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 01:55:03,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 01:55:03,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 01:55:03,316 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 01:55:03,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 01:55:03,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 01:55:03,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 01:55:03,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 01:55:03,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 01:55:03,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-11 01:55:03,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-11 01:55:03,330 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-11 01:55:03,331 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-11 01:55:03,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-11 01:55:03,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-11 01:55:03,332 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-11 01:55:03,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-11 01:55:03,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-11 01:55:03,333 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-11 01:55:03,334 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-11 01:55:03,334 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-11 01:55:03,334 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-11 01:55:03,334 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-11 01:55:03,334 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 01:55:03,335 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 01:55:03,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 01:55:03,339 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 01:55:03,356 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 01:55:03,356 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 01:55:03,357 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 01:55:03,357 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 01:55:03,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 01:55:03,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 01:55:03,358 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 01:55:03,358 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 01:55:03,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 01:55:03,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 01:55:03,359 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 01:55:03,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 01:55:03,359 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 01:55:03,359 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 01:55:03,359 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 01:55:03,359 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 01:55:03,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 01:55:03,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 01:55:03,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 01:55:03,359 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 01:55:03,359 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 01:55:03,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 01:55:03,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 01:55:03,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 01:55:03,360 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 01:55:03,360 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 01:55:03,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 01:55:03,360 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 01:55:03,360 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 01:55:03,360 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 01:55:03,360 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 01:55:03,360 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 01:55:03,361 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 01:55:03,362 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 01:55:03,514 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 01:55:03,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 01:55:03,539 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 01:55:03,540 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 01:55:03,544 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 01:55:03,545 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/s3_srvr_3a.BV.c.cil.c [2022-01-11 01:55:03,600 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f5842cb2/1f9822cb5ddb4b4eb73de6e1f61d15da/FLAGc933242cf [2022-01-11 01:55:04,011 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 01:55:04,011 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector/s3_srvr_3a.BV.c.cil.c [2022-01-11 01:55:04,018 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f5842cb2/1f9822cb5ddb4b4eb73de6e1f61d15da/FLAGc933242cf [2022-01-11 01:55:04,410 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f5842cb2/1f9822cb5ddb4b4eb73de6e1f61d15da [2022-01-11 01:55:04,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 01:55:04,412 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 01:55:04,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 01:55:04,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 01:55:04,415 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 01:55:04,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 01:55:04" (1/1) ... [2022-01-11 01:55:04,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f658ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:55:04, skipping insertion in model container [2022-01-11 01:55:04,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 01:55:04" (1/1) ... [2022-01-11 01:55:04,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 01:55:04,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 01:55:04,603 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector/s3_srvr_3a.BV.c.cil.c[44494,44507] [2022-01-11 01:55:04,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 01:55:04,620 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 01:55:04,650 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/bitvector/s3_srvr_3a.BV.c.cil.c[44494,44507] [2022-01-11 01:55:04,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 01:55:04,659 INFO L208 MainTranslator]: Completed translation [2022-01-11 01:55:04,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:55:04 WrapperNode [2022-01-11 01:55:04,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 01:55:04,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 01:55:04,660 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 01:55:04,660 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 01:55:04,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:55:04" (1/1) ... [2022-01-11 01:55:04,671 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:55:04" (1/1) ... [2022-01-11 01:55:04,717 INFO L137 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 477 [2022-01-11 01:55:04,717 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 01:55:04,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 01:55:04,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 01:55:04,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 01:55:04,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:55:04" (1/1) ... [2022-01-11 01:55:04,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:55:04" (1/1) ... [2022-01-11 01:55:04,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:55:04" (1/1) ... [2022-01-11 01:55:04,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:55:04" (1/1) ... [2022-01-11 01:55:04,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:55:04" (1/1) ... [2022-01-11 01:55:04,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:55:04" (1/1) ... [2022-01-11 01:55:04,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:55:04" (1/1) ... [2022-01-11 01:55:04,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 01:55:04,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 01:55:04,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 01:55:04,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 01:55:04,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:55:04" (1/1) ... [2022-01-11 01:55:04,779 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 01:55:04,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 01:55:04,798 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 01:55:04,805 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 01:55:04,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 01:55:04,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 01:55:04,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 01:55:04,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 01:55:04,875 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 01:55:04,876 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 01:55:04,885 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-11 01:55:05,157 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-01-11 01:55:05,157 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-01-11 01:55:05,157 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 01:55:05,162 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 01:55:05,162 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-11 01:55:05,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 01:55:05 BoogieIcfgContainer [2022-01-11 01:55:05,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 01:55:05,164 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 01:55:05,165 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 01:55:05,166 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 01:55:05,168 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 01:55:05" (1/1) ... [2022-01-11 01:55:05,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 01:55:05 BasicIcfg [2022-01-11 01:55:05,426 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 01:55:05,429 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 01:55:05,429 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 01:55:05,431 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 01:55:05,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 01:55:04" (1/4) ... [2022-01-11 01:55:05,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ed277ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 01:55:05, skipping insertion in model container [2022-01-11 01:55:05,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 01:55:04" (2/4) ... [2022-01-11 01:55:05,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ed277ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 01:55:05, skipping insertion in model container [2022-01-11 01:55:05,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 01:55:05" (3/4) ... [2022-01-11 01:55:05,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ed277ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 01:55:05, skipping insertion in model container [2022-01-11 01:55:05,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 01:55:05" (4/4) ... [2022-01-11 01:55:05,434 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_3a.BV.c.cil.cTransformedIcfg [2022-01-11 01:55:05,437 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 01:55:05,437 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-11 01:55:05,466 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 01:55:05,471 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 01:55:05,471 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-11 01:55:05,482 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 136 states have (on average 1.7426470588235294) internal successors, (237), 137 states have internal predecessors, (237), 0 states have call successors, (0), 0 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 01:55:05,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-01-11 01:55:05,487 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 01:55:05,487 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] [2022-01-11 01:55:05,488 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 01:55:05,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 01:55:05,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1609706479, now seen corresponding path program 1 times [2022-01-11 01:55:05,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 01:55:05,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040578154] [2022-01-11 01:55:05,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:55:05,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 01:55:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 01:55:05,719 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 01:55:05,720 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 01:55:05,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040578154] [2022-01-11 01:55:05,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040578154] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 01:55:05,721 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 01:55:05,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 01:55:05,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529467703] [2022-01-11 01:55:05,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 01:55:05,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 01:55:05,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 01:55:05,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 01:55:05,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 01:55:05,751 INFO L87 Difference]: Start difference. First operand has 138 states, 136 states have (on average 1.7426470588235294) internal successors, (237), 137 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 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 01:55:05,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 01:55:05,916 INFO L93 Difference]: Finished difference Result 383 states and 657 transitions. [2022-01-11 01:55:05,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 01:55:05,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 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 44 [2022-01-11 01:55:05,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 01:55:05,925 INFO L225 Difference]: With dead ends: 383 [2022-01-11 01:55:05,925 INFO L226 Difference]: Without dead ends: 217 [2022-01-11 01:55:05,932 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 01:55:05,937 INFO L933 BasicCegarLoop]: 216 mSDtfsCounter, 170 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 01:55:05,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [170 Valid, 415 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 01:55:05,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2022-01-11 01:55:05,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2022-01-11 01:55:05,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 216 states have (on average 1.5231481481481481) internal successors, (329), 216 states have internal predecessors, (329), 0 states have call successors, (0), 0 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 01:55:05,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 329 transitions. [2022-01-11 01:55:05,992 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 329 transitions. Word has length 44 [2022-01-11 01:55:05,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 01:55:05,993 INFO L470 AbstractCegarLoop]: Abstraction has 217 states and 329 transitions. [2022-01-11 01:55:05,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 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 01:55:05,993 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 329 transitions. [2022-01-11 01:55:05,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-01-11 01:55:05,998 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 01:55:05,998 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 01:55:05,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-11 01:55:05,998 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 01:55:06,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 01:55:06,000 INFO L85 PathProgramCache]: Analyzing trace with hash -843414403, now seen corresponding path program 1 times [2022-01-11 01:55:06,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 01:55:06,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540439634] [2022-01-11 01:55:06,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:55:06,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 01:55:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 01:55:06,088 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 01:55:06,088 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 01:55:06,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540439634] [2022-01-11 01:55:06,089 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540439634] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 01:55:06,089 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 01:55:06,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 01:55:06,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9051055] [2022-01-11 01:55:06,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 01:55:06,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 01:55:06,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 01:55:06,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 01:55:06,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 01:55:06,091 INFO L87 Difference]: Start difference. First operand 217 states and 329 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 01:55:06,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 01:55:06,279 INFO L93 Difference]: Finished difference Result 352 states and 535 transitions. [2022-01-11 01:55:06,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 01:55:06,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 60 [2022-01-11 01:55:06,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 01:55:06,282 INFO L225 Difference]: With dead ends: 352 [2022-01-11 01:55:06,282 INFO L226 Difference]: Without dead ends: 246 [2022-01-11 01:55:06,283 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 01:55:06,283 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 13 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-11 01:55:06,284 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 271 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-11 01:55:06,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2022-01-11 01:55:06,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 238. [2022-01-11 01:55:06,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 237 states have (on average 1.4978902953586497) internal successors, (355), 237 states have internal predecessors, (355), 0 states have call successors, (0), 0 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 01:55:06,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 355 transitions. [2022-01-11 01:55:06,292 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 355 transitions. Word has length 60 [2022-01-11 01:55:06,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 01:55:06,293 INFO L470 AbstractCegarLoop]: Abstraction has 238 states and 355 transitions. [2022-01-11 01:55:06,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 01:55:06,293 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 355 transitions. [2022-01-11 01:55:06,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-11 01:55:06,294 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 01:55:06,294 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 01:55:06,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-11 01:55:06,295 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 01:55:06,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 01:55:06,295 INFO L85 PathProgramCache]: Analyzing trace with hash 716439703, now seen corresponding path program 1 times [2022-01-11 01:55:06,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 01:55:06,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267120444] [2022-01-11 01:55:06,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:55:06,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 01:55:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 01:55:06,343 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-11 01:55:06,343 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 01:55:06,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267120444] [2022-01-11 01:55:06,344 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267120444] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 01:55:06,344 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 01:55:06,344 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 01:55:06,344 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807454037] [2022-01-11 01:55:06,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 01:55:06,344 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 01:55:06,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 01:55:06,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 01:55:06,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 01:55:06,345 INFO L87 Difference]: Start difference. First operand 238 states and 355 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 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 01:55:06,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 01:55:06,478 INFO L93 Difference]: Finished difference Result 560 states and 853 transitions. [2022-01-11 01:55:06,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 01:55:06,479 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-01-11 01:55:06,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 01:55:06,480 INFO L225 Difference]: With dead ends: 560 [2022-01-11 01:55:06,480 INFO L226 Difference]: Without dead ends: 330 [2022-01-11 01:55:06,481 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 01:55:06,482 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 14 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 01:55:06,482 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 272 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 01:55:06,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2022-01-11 01:55:06,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 322. [2022-01-11 01:55:06,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 321 states have (on average 1.398753894080997) internal successors, (449), 321 states have internal predecessors, (449), 0 states have call successors, (0), 0 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 01:55:06,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 449 transitions. [2022-01-11 01:55:06,491 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 449 transitions. Word has length 81 [2022-01-11 01:55:06,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 01:55:06,492 INFO L470 AbstractCegarLoop]: Abstraction has 322 states and 449 transitions. [2022-01-11 01:55:06,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 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 01:55:06,492 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 449 transitions. [2022-01-11 01:55:06,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-11 01:55:06,493 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 01:55:06,493 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 01:55:06,494 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-11 01:55:06,494 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 01:55:06,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 01:55:06,494 INFO L85 PathProgramCache]: Analyzing trace with hash 840512950, now seen corresponding path program 1 times [2022-01-11 01:55:06,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 01:55:06,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726912361] [2022-01-11 01:55:06,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:55:06,495 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 01:55:06,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 01:55:06,534 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-11 01:55:06,535 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 01:55:06,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726912361] [2022-01-11 01:55:06,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726912361] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 01:55:06,535 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 01:55:06,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 01:55:06,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106064954] [2022-01-11 01:55:06,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 01:55:06,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 01:55:06,536 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 01:55:06,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 01:55:06,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 01:55:06,537 INFO L87 Difference]: Start difference. First operand 322 states and 449 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 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 01:55:06,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 01:55:06,678 INFO L93 Difference]: Finished difference Result 688 states and 968 transitions. [2022-01-11 01:55:06,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 01:55:06,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2022-01-11 01:55:06,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 01:55:06,681 INFO L225 Difference]: With dead ends: 688 [2022-01-11 01:55:06,681 INFO L226 Difference]: Without dead ends: 374 [2022-01-11 01:55:06,682 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 01:55:06,683 INFO L933 BasicCegarLoop]: 186 mSDtfsCounter, 12 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 01:55:06,683 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 272 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 01:55:06,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2022-01-11 01:55:06,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 368. [2022-01-11 01:55:06,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 367 states have (on average 1.3760217983651226) internal successors, (505), 367 states have internal predecessors, (505), 0 states have call successors, (0), 0 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 01:55:06,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 505 transitions. [2022-01-11 01:55:06,694 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 505 transitions. Word has length 81 [2022-01-11 01:55:06,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 01:55:06,694 INFO L470 AbstractCegarLoop]: Abstraction has 368 states and 505 transitions. [2022-01-11 01:55:06,694 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 0 states have call successors, (0), 0 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 01:55:06,694 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 505 transitions. [2022-01-11 01:55:06,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-01-11 01:55:06,696 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 01:55:06,696 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 01:55:06,696 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-11 01:55:06,697 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 01:55:06,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 01:55:06,697 INFO L85 PathProgramCache]: Analyzing trace with hash 24767435, now seen corresponding path program 1 times [2022-01-11 01:55:06,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 01:55:06,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892094484] [2022-01-11 01:55:06,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:55:06,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 01:55:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 01:55:06,747 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-01-11 01:55:06,747 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 01:55:06,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892094484] [2022-01-11 01:55:06,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892094484] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 01:55:06,747 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 01:55:06,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 01:55:06,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107951572] [2022-01-11 01:55:06,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 01:55:06,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 01:55:06,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 01:55:06,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 01:55:06,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 01:55:06,749 INFO L87 Difference]: Start difference. First operand 368 states and 505 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 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 01:55:06,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 01:55:06,863 INFO L93 Difference]: Finished difference Result 802 states and 1120 transitions. [2022-01-11 01:55:06,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 01:55:06,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 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 01:55:06,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 01:55:06,867 INFO L225 Difference]: With dead ends: 802 [2022-01-11 01:55:06,867 INFO L226 Difference]: Without dead ends: 442 [2022-01-11 01:55:06,870 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 01:55:06,876 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 28 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 01:55:06,876 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 271 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 01:55:06,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2022-01-11 01:55:06,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 418. [2022-01-11 01:55:06,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 417 states have (on average 1.354916067146283) internal successors, (565), 417 states have internal predecessors, (565), 0 states have call successors, (0), 0 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 01:55:06,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 565 transitions. [2022-01-11 01:55:06,897 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 565 transitions. Word has length 101 [2022-01-11 01:55:06,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 01:55:06,897 INFO L470 AbstractCegarLoop]: Abstraction has 418 states and 565 transitions. [2022-01-11 01:55:06,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 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 01:55:06,897 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 565 transitions. [2022-01-11 01:55:06,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-11 01:55:06,899 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 01:55:06,899 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 01:55:06,900 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-11 01:55:06,900 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 01:55:06,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 01:55:06,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1750251804, now seen corresponding path program 1 times [2022-01-11 01:55:06,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 01:55:06,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931525629] [2022-01-11 01:55:06,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:55:06,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 01:55:06,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 01:55:06,965 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-01-11 01:55:06,965 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 01:55:06,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931525629] [2022-01-11 01:55:06,965 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931525629] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 01:55:06,965 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 01:55:06,965 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 01:55:06,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928552571] [2022-01-11 01:55:06,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 01:55:06,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 01:55:06,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 01:55:06,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 01:55:06,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 01:55:06,966 INFO L87 Difference]: Start difference. First operand 418 states and 565 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 01:55:07,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 01:55:07,013 INFO L93 Difference]: Finished difference Result 635 states and 858 transitions. [2022-01-11 01:55:07,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 01:55:07,013 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 121 [2022-01-11 01:55:07,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 01:55:07,016 INFO L225 Difference]: With dead ends: 635 [2022-01-11 01:55:07,016 INFO L226 Difference]: Without dead ends: 633 [2022-01-11 01:55:07,016 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 01:55:07,020 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 126 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 01:55:07,021 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 318 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 01:55:07,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2022-01-11 01:55:07,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 633. [2022-01-11 01:55:07,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 633 states, 632 states have (on average 1.3544303797468353) internal successors, (856), 632 states have internal predecessors, (856), 0 states have call successors, (0), 0 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 01:55:07,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 856 transitions. [2022-01-11 01:55:07,030 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 856 transitions. Word has length 121 [2022-01-11 01:55:07,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 01:55:07,030 INFO L470 AbstractCegarLoop]: Abstraction has 633 states and 856 transitions. [2022-01-11 01:55:07,030 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 01:55:07,030 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 856 transitions. [2022-01-11 01:55:07,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-01-11 01:55:07,032 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 01:55:07,032 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 01:55:07,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-11 01:55:07,032 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 01:55:07,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 01:55:07,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1590266835, now seen corresponding path program 1 times [2022-01-11 01:55:07,032 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 01:55:07,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177263859] [2022-01-11 01:55:07,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:55:07,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 01:55:07,050 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-11 01:55:07,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [351790204] [2022-01-11 01:55:07,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:55:07,050 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 01:55:07,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 01:55:07,087 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-11 01:55:07,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-11 01:55:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 01:55:07,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-11 01:55:07,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-11 01:55:07,458 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-01-11 01:55:07,458 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-11 01:55:07,458 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 01:55:07,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177263859] [2022-01-11 01:55:07,459 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-11 01:55:07,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351790204] [2022-01-11 01:55:07,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351790204] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 01:55:07,459 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 01:55:07,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 01:55:07,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304043737] [2022-01-11 01:55:07,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 01:55:07,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 01:55:07,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 01:55:07,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 01:55:07,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 01:55:07,460 INFO L87 Difference]: Start difference. First operand 633 states and 856 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 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 01:55:07,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 01:55:07,586 INFO L93 Difference]: Finished difference Result 1387 states and 1928 transitions. [2022-01-11 01:55:07,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 01:55:07,587 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 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 159 [2022-01-11 01:55:07,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 01:55:07,589 INFO L225 Difference]: With dead ends: 1387 [2022-01-11 01:55:07,589 INFO L226 Difference]: Without dead ends: 762 [2022-01-11 01:55:07,590 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 157 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 01:55:07,590 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 18 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 01:55:07,591 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 266 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 01:55:07,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 762 states. [2022-01-11 01:55:07,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 762 to 756. [2022-01-11 01:55:07,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 756 states, 755 states have (on average 1.3165562913907285) internal successors, (994), 755 states have internal predecessors, (994), 0 states have call successors, (0), 0 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 01:55:07,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 994 transitions. [2022-01-11 01:55:07,618 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 994 transitions. Word has length 159 [2022-01-11 01:55:07,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 01:55:07,618 INFO L470 AbstractCegarLoop]: Abstraction has 756 states and 994 transitions. [2022-01-11 01:55:07,618 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 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 01:55:07,618 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 994 transitions. [2022-01-11 01:55:07,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-01-11 01:55:07,619 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 01:55:07,620 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 01:55:07,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-01-11 01:55:07,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 01:55:07,840 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 01:55:07,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 01:55:07,840 INFO L85 PathProgramCache]: Analyzing trace with hash -2038256227, now seen corresponding path program 1 times [2022-01-11 01:55:07,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 01:55:07,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809836436] [2022-01-11 01:55:07,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:55:07,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 01:55:07,874 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-11 01:55:07,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [706344650] [2022-01-11 01:55:07,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:55:07,875 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 01:55:07,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 01:55:07,892 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-11 01:55:07,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-11 01:55:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 01:55:08,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-11 01:55:08,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-11 01:55:08,304 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2022-01-11 01:55:08,305 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-11 01:55:08,305 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 01:55:08,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809836436] [2022-01-11 01:55:08,305 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-11 01:55:08,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [706344650] [2022-01-11 01:55:08,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [706344650] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 01:55:08,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 01:55:08,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 01:55:08,305 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089062903] [2022-01-11 01:55:08,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 01:55:08,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 01:55:08,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 01:55:08,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 01:55:08,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 01:55:08,306 INFO L87 Difference]: Start difference. First operand 756 states and 994 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 01:55:08,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 01:55:08,335 INFO L93 Difference]: Finished difference Result 1526 states and 2007 transitions. [2022-01-11 01:55:08,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 01:55:08,335 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 165 [2022-01-11 01:55:08,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 01:55:08,339 INFO L225 Difference]: With dead ends: 1526 [2022-01-11 01:55:08,339 INFO L226 Difference]: Without dead ends: 1012 [2022-01-11 01:55:08,340 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 163 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 01:55:08,341 INFO L933 BasicCegarLoop]: 166 mSDtfsCounter, 119 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 01:55:08,341 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [119 Valid, 319 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 01:55:08,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1012 states. [2022-01-11 01:55:08,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1012 to 1012. [2022-01-11 01:55:08,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1012 states, 1011 states have (on average 1.3155291790306627) internal successors, (1330), 1011 states have internal predecessors, (1330), 0 states have call successors, (0), 0 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 01:55:08,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 1012 states and 1330 transitions. [2022-01-11 01:55:08,376 INFO L78 Accepts]: Start accepts. Automaton has 1012 states and 1330 transitions. Word has length 165 [2022-01-11 01:55:08,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 01:55:08,377 INFO L470 AbstractCegarLoop]: Abstraction has 1012 states and 1330 transitions. [2022-01-11 01:55:08,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 3 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 01:55:08,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1012 states and 1330 transitions. [2022-01-11 01:55:08,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-01-11 01:55:08,379 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 01:55:08,380 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 01:55:08,416 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-01-11 01:55:08,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-01-11 01:55:08,596 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 01:55:08,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 01:55:08,596 INFO L85 PathProgramCache]: Analyzing trace with hash 1361441826, now seen corresponding path program 1 times [2022-01-11 01:55:08,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 01:55:08,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949351726] [2022-01-11 01:55:08,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:55:08,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 01:55:08,634 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-11 01:55:08,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1154311613] [2022-01-11 01:55:08,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:55:08,634 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 01:55:08,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 01:55:08,647 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-11 01:55:08,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-11 01:55:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 01:55:08,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 803 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-11 01:55:08,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-11 01:55:09,051 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-01-11 01:55:09,051 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-11 01:55:09,051 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 01:55:09,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949351726] [2022-01-11 01:55:09,051 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-11 01:55:09,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1154311613] [2022-01-11 01:55:09,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1154311613] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 01:55:09,051 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 01:55:09,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 01:55:09,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983673938] [2022-01-11 01:55:09,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 01:55:09,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 01:55:09,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 01:55:09,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 01:55:09,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 01:55:09,052 INFO L87 Difference]: Start difference. First operand 1012 states and 1330 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 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 01:55:09,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 01:55:09,172 INFO L93 Difference]: Finished difference Result 2188 states and 2952 transitions. [2022-01-11 01:55:09,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 01:55:09,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 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 201 [2022-01-11 01:55:09,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 01:55:09,175 INFO L225 Difference]: With dead ends: 2188 [2022-01-11 01:55:09,175 INFO L226 Difference]: Without dead ends: 1136 [2022-01-11 01:55:09,176 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 199 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 01:55:09,176 INFO L933 BasicCegarLoop]: 173 mSDtfsCounter, 19 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 01:55:09,177 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 253 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 01:55:09,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1136 states. [2022-01-11 01:55:09,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1136 to 1136. [2022-01-11 01:55:09,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1136 states, 1135 states have (on average 1.2986784140969163) internal successors, (1474), 1135 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 01:55:09,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 1136 states and 1474 transitions. [2022-01-11 01:55:09,190 INFO L78 Accepts]: Start accepts. Automaton has 1136 states and 1474 transitions. Word has length 201 [2022-01-11 01:55:09,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 01:55:09,191 INFO L470 AbstractCegarLoop]: Abstraction has 1136 states and 1474 transitions. [2022-01-11 01:55:09,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 0 states have call successors, (0), 0 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 01:55:09,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1474 transitions. [2022-01-11 01:55:09,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-01-11 01:55:09,193 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 01:55:09,193 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 01:55:09,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-11 01:55:09,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 01:55:09,411 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 01:55:09,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 01:55:09,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1084647226, now seen corresponding path program 1 times [2022-01-11 01:55:09,412 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 01:55:09,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226442240] [2022-01-11 01:55:09,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:55:09,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 01:55:09,434 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-11 01:55:09,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1161599470] [2022-01-11 01:55:09,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:55:09,435 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 01:55:09,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 01:55:09,436 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-11 01:55:09,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-11 01:55:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 01:55:09,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 983 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-11 01:55:09,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-11 01:55:09,898 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2022-01-11 01:55:09,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-11 01:55:09,898 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 01:55:09,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226442240] [2022-01-11 01:55:09,898 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-11 01:55:09,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1161599470] [2022-01-11 01:55:09,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1161599470] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 01:55:09,899 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 01:55:09,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 01:55:09,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163055937] [2022-01-11 01:55:09,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 01:55:09,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 01:55:09,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 01:55:09,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 01:55:09,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 01:55:09,900 INFO L87 Difference]: Start difference. First operand 1136 states and 1474 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 01:55:09,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 01:55:09,997 INFO L93 Difference]: Finished difference Result 2388 states and 3080 transitions. [2022-01-11 01:55:09,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 01:55:09,998 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 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 257 [2022-01-11 01:55:09,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 01:55:10,001 INFO L225 Difference]: With dead ends: 2388 [2022-01-11 01:55:10,001 INFO L226 Difference]: Without dead ends: 1128 [2022-01-11 01:55:10,002 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 255 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 01:55:10,002 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 9 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 01:55:10,003 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9 Valid, 271 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 01:55:10,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2022-01-11 01:55:10,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 1128. [2022-01-11 01:55:10,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1128 states, 1127 states have (on average 1.2937000887311447) internal successors, (1458), 1127 states have internal predecessors, (1458), 0 states have call successors, (0), 0 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 01:55:10,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 1458 transitions. [2022-01-11 01:55:10,021 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 1458 transitions. Word has length 257 [2022-01-11 01:55:10,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 01:55:10,022 INFO L470 AbstractCegarLoop]: Abstraction has 1128 states and 1458 transitions. [2022-01-11 01:55:10,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 3 states have internal predecessors, (141), 0 states have call successors, (0), 0 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 01:55:10,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1458 transitions. [2022-01-11 01:55:10,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-01-11 01:55:10,025 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 01:55:10,025 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 01:55:10,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-11 01:55:10,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 01:55:10,245 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 01:55:10,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 01:55:10,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1044348639, now seen corresponding path program 1 times [2022-01-11 01:55:10,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 01:55:10,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225861852] [2022-01-11 01:55:10,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:55:10,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 01:55:10,265 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-11 01:55:10,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1331639718] [2022-01-11 01:55:10,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:55:10,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 01:55:10,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 01:55:10,267 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-11 01:55:10,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-11 01:55:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 01:55:10,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-11 01:55:10,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-11 01:55:11,141 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 429 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-01-11 01:55:11,142 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-11 01:55:11,142 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 01:55:11,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225861852] [2022-01-11 01:55:11,142 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-11 01:55:11,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331639718] [2022-01-11 01:55:11,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331639718] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 01:55:11,142 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 01:55:11,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 01:55:11,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354255946] [2022-01-11 01:55:11,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 01:55:11,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 01:55:11,143 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 01:55:11,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 01:55:11,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 01:55:11,143 INFO L87 Difference]: Start difference. First operand 1128 states and 1458 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 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 01:55:11,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 01:55:11,165 INFO L93 Difference]: Finished difference Result 3264 states and 4226 transitions. [2022-01-11 01:55:11,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 01:55:11,179 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 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 269 [2022-01-11 01:55:11,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 01:55:11,183 INFO L225 Difference]: With dead ends: 3264 [2022-01-11 01:55:11,183 INFO L226 Difference]: Without dead ends: 1382 [2022-01-11 01:55:11,185 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 267 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 01:55:11,185 INFO L933 BasicCegarLoop]: 320 mSDtfsCounter, 98 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 01:55:11,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 485 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 01:55:11,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1382 states. [2022-01-11 01:55:11,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1382 to 1380. [2022-01-11 01:55:11,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1380 states, 1379 states have (on average 1.2878897751994198) internal successors, (1776), 1379 states have internal predecessors, (1776), 0 states have call successors, (0), 0 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 01:55:11,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1380 states and 1776 transitions. [2022-01-11 01:55:11,218 INFO L78 Accepts]: Start accepts. Automaton has 1380 states and 1776 transitions. Word has length 269 [2022-01-11 01:55:11,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 01:55:11,218 INFO L470 AbstractCegarLoop]: Abstraction has 1380 states and 1776 transitions. [2022-01-11 01:55:11,219 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 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 01:55:11,219 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 1776 transitions. [2022-01-11 01:55:11,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2022-01-11 01:55:11,221 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 01:55:11,221 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 01:55:11,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-01-11 01:55:11,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-01-11 01:55:11,439 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 01:55:11,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 01:55:11,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1726436931, now seen corresponding path program 1 times [2022-01-11 01:55:11,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 01:55:11,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103488169] [2022-01-11 01:55:11,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:55:11,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 01:55:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 01:55:11,511 INFO L134 CoverageAnalysis]: Checked inductivity of 954 backedges. 500 proven. 0 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2022-01-11 01:55:11,511 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 01:55:11,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103488169] [2022-01-11 01:55:11,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103488169] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 01:55:11,512 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 01:55:11,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 01:55:11,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377521975] [2022-01-11 01:55:11,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 01:55:11,512 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 01:55:11,512 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 01:55:11,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 01:55:11,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 01:55:11,513 INFO L87 Difference]: Start difference. First operand 1380 states and 1776 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 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 01:55:11,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 01:55:11,618 INFO L93 Difference]: Finished difference Result 2922 states and 3820 transitions. [2022-01-11 01:55:11,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 01:55:11,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 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 315 [2022-01-11 01:55:11,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 01:55:11,622 INFO L225 Difference]: With dead ends: 2922 [2022-01-11 01:55:11,623 INFO L226 Difference]: Without dead ends: 1550 [2022-01-11 01:55:11,624 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 01:55:11,624 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 17 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 01:55:11,624 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [17 Valid, 268 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 01:55:11,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1550 states. [2022-01-11 01:55:11,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1550 to 1515. [2022-01-11 01:55:11,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1515 states, 1514 states have (on average 1.2787318361955087) internal successors, (1936), 1514 states have internal predecessors, (1936), 0 states have call successors, (0), 0 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 01:55:11,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1515 states and 1936 transitions. [2022-01-11 01:55:11,642 INFO L78 Accepts]: Start accepts. Automaton has 1515 states and 1936 transitions. Word has length 315 [2022-01-11 01:55:11,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 01:55:11,642 INFO L470 AbstractCegarLoop]: Abstraction has 1515 states and 1936 transitions. [2022-01-11 01:55:11,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 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 01:55:11,643 INFO L276 IsEmpty]: Start isEmpty. Operand 1515 states and 1936 transitions. [2022-01-11 01:55:11,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-01-11 01:55:11,645 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 01:55:11,646 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 8, 8, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 01:55:11,646 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-11 01:55:11,646 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 01:55:11,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 01:55:11,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1789515539, now seen corresponding path program 1 times [2022-01-11 01:55:11,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 01:55:11,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494276456] [2022-01-11 01:55:11,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:55:11,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 01:55:11,670 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-11 01:55:11,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2135837094] [2022-01-11 01:55:11,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:55:11,671 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 01:55:11,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 01:55:11,672 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-11 01:55:11,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-11 01:55:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 01:55:11,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 1295 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-11 01:55:11,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-11 01:55:12,144 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 642 proven. 0 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2022-01-11 01:55:12,144 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-11 01:55:12,144 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 01:55:12,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494276456] [2022-01-11 01:55:12,144 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-11 01:55:12,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135837094] [2022-01-11 01:55:12,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135837094] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 01:55:12,144 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 01:55:12,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 01:55:12,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233875866] [2022-01-11 01:55:12,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 01:55:12,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 01:55:12,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 01:55:12,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 01:55:12,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 01:55:12,145 INFO L87 Difference]: Start difference. First operand 1515 states and 1936 transitions. Second operand has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 01:55:12,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 01:55:12,264 INFO L93 Difference]: Finished difference Result 3177 states and 4110 transitions. [2022-01-11 01:55:12,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 01:55:12,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 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 338 [2022-01-11 01:55:12,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 01:55:12,268 INFO L225 Difference]: With dead ends: 3177 [2022-01-11 01:55:12,269 INFO L226 Difference]: Without dead ends: 1670 [2022-01-11 01:55:12,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 336 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 01:55:12,270 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 10 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 01:55:12,270 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 268 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 01:55:12,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1670 states. [2022-01-11 01:55:12,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1670 to 1660. [2022-01-11 01:55:12,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1660 states, 1659 states have (on average 1.2694394213381555) internal successors, (2106), 1659 states have internal predecessors, (2106), 0 states have call successors, (0), 0 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 01:55:12,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1660 states and 2106 transitions. [2022-01-11 01:55:12,293 INFO L78 Accepts]: Start accepts. Automaton has 1660 states and 2106 transitions. Word has length 338 [2022-01-11 01:55:12,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 01:55:12,293 INFO L470 AbstractCegarLoop]: Abstraction has 1660 states and 2106 transitions. [2022-01-11 01:55:12,293 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.333333333333336) internal successors, (133), 3 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 01:55:12,293 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states and 2106 transitions. [2022-01-11 01:55:12,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2022-01-11 01:55:12,297 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 01:55:12,297 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 01:55:12,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-01-11 01:55:12,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 01:55:12,514 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 01:55:12,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 01:55:12,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1192168560, now seen corresponding path program 1 times [2022-01-11 01:55:12,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 01:55:12,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860578667] [2022-01-11 01:55:12,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:55:12,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 01:55:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 01:55:12,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 699 proven. 0 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked. [2022-01-11 01:55:12,597 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 01:55:12,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860578667] [2022-01-11 01:55:12,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860578667] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 01:55:12,597 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 01:55:12,597 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 01:55:12,597 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568292528] [2022-01-11 01:55:12,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 01:55:12,597 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 01:55:12,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 01:55:12,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 01:55:12,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 01:55:12,598 INFO L87 Difference]: Start difference. First operand 1660 states and 2106 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 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 01:55:12,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 01:55:12,642 INFO L93 Difference]: Finished difference Result 4954 states and 6279 transitions. [2022-01-11 01:55:12,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 01:55:12,643 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 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 370 [2022-01-11 01:55:12,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 01:55:12,650 INFO L225 Difference]: With dead ends: 4954 [2022-01-11 01:55:12,650 INFO L226 Difference]: Without dead ends: 3302 [2022-01-11 01:55:12,651 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 01:55:12,652 INFO L933 BasicCegarLoop]: 314 mSDtfsCounter, 122 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-11 01:55:12,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [122 Valid, 477 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-11 01:55:12,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3302 states. [2022-01-11 01:55:12,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3302 to 3300. [2022-01-11 01:55:12,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3300 states, 3299 states have (on average 1.2652318884510458) internal successors, (4174), 3299 states have internal predecessors, (4174), 0 states have call successors, (0), 0 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 01:55:12,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3300 states to 3300 states and 4174 transitions. [2022-01-11 01:55:12,709 INFO L78 Accepts]: Start accepts. Automaton has 3300 states and 4174 transitions. Word has length 370 [2022-01-11 01:55:12,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 01:55:12,710 INFO L470 AbstractCegarLoop]: Abstraction has 3300 states and 4174 transitions. [2022-01-11 01:55:12,710 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 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 01:55:12,710 INFO L276 IsEmpty]: Start isEmpty. Operand 3300 states and 4174 transitions. [2022-01-11 01:55:12,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2022-01-11 01:55:12,713 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 01:55:12,713 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 10, 10, 9, 9, 8, 8, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 01:55:12,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-11 01:55:12,713 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 01:55:12,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 01:55:12,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1900961473, now seen corresponding path program 1 times [2022-01-11 01:55:12,713 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 01:55:12,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330939704] [2022-01-11 01:55:12,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:55:12,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 01:55:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 01:55:12,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2022-01-11 01:55:12,796 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 01:55:12,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330939704] [2022-01-11 01:55:12,796 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330939704] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-11 01:55:12,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113664365] [2022-01-11 01:55:12,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:55:12,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 01:55:12,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 01:55:12,797 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-11 01:55:12,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-01-11 01:55:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 01:55:12,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 1411 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-11 01:55:12,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-11 01:55:13,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2022-01-11 01:55:13,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-11 01:55:13,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1396 backedges. 905 proven. 26 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2022-01-11 01:55:13,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113664365] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-11 01:55:13,923 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-11 01:55:13,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2022-01-11 01:55:13,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137998152] [2022-01-11 01:55:13,923 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-11 01:55:13,924 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-11 01:55:13,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 01:55:13,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-11 01:55:13,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-11 01:55:13,924 INFO L87 Difference]: Start difference. First operand 3300 states and 4174 transitions. Second operand has 6 states, 6 states have (on average 40.166666666666664) internal successors, (241), 6 states have internal predecessors, (241), 0 states have call successors, (0), 0 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 01:55:14,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 01:55:14,400 INFO L93 Difference]: Finished difference Result 8537 states and 11076 transitions. [2022-01-11 01:55:14,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-11 01:55:14,401 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 40.166666666666664) internal successors, (241), 6 states have internal predecessors, (241), 0 states have call successors, (0), 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 371 [2022-01-11 01:55:14,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 01:55:14,412 INFO L225 Difference]: With dead ends: 8537 [2022-01-11 01:55:14,412 INFO L226 Difference]: Without dead ends: 5042 [2022-01-11 01:55:14,416 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 752 GetRequests, 744 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-01-11 01:55:14,417 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 645 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 645 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-11 01:55:14,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [645 Valid, 494 Invalid, 582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-11 01:55:14,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5042 states. [2022-01-11 01:55:14,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5042 to 3939. [2022-01-11 01:55:14,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3939 states, 3938 states have (on average 1.3158963941086845) internal successors, (5182), 3938 states have internal predecessors, (5182), 0 states have call successors, (0), 0 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 01:55:14,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3939 states to 3939 states and 5182 transitions. [2022-01-11 01:55:14,495 INFO L78 Accepts]: Start accepts. Automaton has 3939 states and 5182 transitions. Word has length 371 [2022-01-11 01:55:14,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 01:55:14,496 INFO L470 AbstractCegarLoop]: Abstraction has 3939 states and 5182 transitions. [2022-01-11 01:55:14,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 40.166666666666664) internal successors, (241), 6 states have internal predecessors, (241), 0 states have call successors, (0), 0 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 01:55:14,496 INFO L276 IsEmpty]: Start isEmpty. Operand 3939 states and 5182 transitions. [2022-01-11 01:55:14,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2022-01-11 01:55:14,501 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 01:55:14,501 INFO L514 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 13, 13, 12, 12, 11, 11, 10, 10, 10, 10, 8, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 01:55:14,535 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-01-11 01:55:14,719 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 01:55:14,720 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 01:55:14,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 01:55:14,720 INFO L85 PathProgramCache]: Analyzing trace with hash 600612244, now seen corresponding path program 1 times [2022-01-11 01:55:14,720 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 01:55:14,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482728176] [2022-01-11 01:55:14,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:55:14,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 01:55:14,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 01:55:14,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2338 backedges. 1323 proven. 0 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2022-01-11 01:55:14,807 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 01:55:14,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482728176] [2022-01-11 01:55:14,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482728176] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 01:55:14,807 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 01:55:14,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 01:55:14,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669951887] [2022-01-11 01:55:14,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 01:55:14,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 01:55:14,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 01:55:14,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 01:55:14,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 01:55:14,808 INFO L87 Difference]: Start difference. First operand 3939 states and 5182 transitions. Second operand has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 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 01:55:15,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 01:55:15,033 INFO L93 Difference]: Finished difference Result 8338 states and 11132 transitions. [2022-01-11 01:55:15,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 01:55:15,036 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 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 471 [2022-01-11 01:55:15,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 01:55:15,046 INFO L225 Difference]: With dead ends: 8338 [2022-01-11 01:55:15,046 INFO L226 Difference]: Without dead ends: 4407 [2022-01-11 01:55:15,048 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 01:55:15,049 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 10 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-11 01:55:15,049 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 268 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-11 01:55:15,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4407 states. [2022-01-11 01:55:15,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4407 to 4381. [2022-01-11 01:55:15,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4381 states, 4380 states have (on average 1.2988584474885845) internal successors, (5689), 4380 states have internal predecessors, (5689), 0 states have call successors, (0), 0 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 01:55:15,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4381 states to 4381 states and 5689 transitions. [2022-01-11 01:55:15,119 INFO L78 Accepts]: Start accepts. Automaton has 4381 states and 5689 transitions. Word has length 471 [2022-01-11 01:55:15,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 01:55:15,119 INFO L470 AbstractCegarLoop]: Abstraction has 4381 states and 5689 transitions. [2022-01-11 01:55:15,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.0) internal successors, (162), 3 states have internal predecessors, (162), 0 states have call successors, (0), 0 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 01:55:15,119 INFO L276 IsEmpty]: Start isEmpty. Operand 4381 states and 5689 transitions. [2022-01-11 01:55:15,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2022-01-11 01:55:15,123 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 01:55:15,124 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 15, 15, 14, 14, 13, 13, 12, 12, 12, 12, 10, 8, 8, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 01:55:15,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-01-11 01:55:15,124 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 01:55:15,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 01:55:15,124 INFO L85 PathProgramCache]: Analyzing trace with hash 702431370, now seen corresponding path program 1 times [2022-01-11 01:55:15,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 01:55:15,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549135531] [2022-01-11 01:55:15,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:55:15,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 01:55:15,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 01:55:15,213 INFO L134 CoverageAnalysis]: Checked inductivity of 3103 backedges. 1760 proven. 0 refuted. 0 times theorem prover too weak. 1343 trivial. 0 not checked. [2022-01-11 01:55:15,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 01:55:15,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549135531] [2022-01-11 01:55:15,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549135531] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 01:55:15,214 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 01:55:15,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 01:55:15,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014326245] [2022-01-11 01:55:15,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 01:55:15,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 01:55:15,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 01:55:15,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 01:55:15,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 01:55:15,215 INFO L87 Difference]: Start difference. First operand 4381 states and 5689 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 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 01:55:15,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 01:55:15,499 INFO L93 Difference]: Finished difference Result 9248 states and 12198 transitions. [2022-01-11 01:55:15,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 01:55:15,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 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 533 [2022-01-11 01:55:15,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 01:55:15,517 INFO L225 Difference]: With dead ends: 9248 [2022-01-11 01:55:15,518 INFO L226 Difference]: Without dead ends: 4875 [2022-01-11 01:55:15,522 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 01:55:15,522 INFO L933 BasicCegarLoop]: 182 mSDtfsCounter, 10 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-11 01:55:15,522 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 268 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-11 01:55:15,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4875 states. [2022-01-11 01:55:15,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4875 to 4849. [2022-01-11 01:55:15,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4849 states, 4848 states have (on average 1.2834158415841583) internal successors, (6222), 4848 states have internal predecessors, (6222), 0 states have call successors, (0), 0 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 01:55:15,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4849 states to 4849 states and 6222 transitions. [2022-01-11 01:55:15,666 INFO L78 Accepts]: Start accepts. Automaton has 4849 states and 6222 transitions. Word has length 533 [2022-01-11 01:55:15,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 01:55:15,667 INFO L470 AbstractCegarLoop]: Abstraction has 4849 states and 6222 transitions. [2022-01-11 01:55:15,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 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 01:55:15,671 INFO L276 IsEmpty]: Start isEmpty. Operand 4849 states and 6222 transitions. [2022-01-11 01:55:15,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2022-01-11 01:55:15,676 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 01:55:15,677 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 18, 18, 18, 18, 18, 17, 17, 16, 16, 15, 15, 14, 14, 14, 14, 12, 10, 10, 8, 8, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 01:55:15,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-11 01:55:15,677 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 01:55:15,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 01:55:15,677 INFO L85 PathProgramCache]: Analyzing trace with hash -223655148, now seen corresponding path program 1 times [2022-01-11 01:55:15,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 01:55:15,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738867605] [2022-01-11 01:55:15,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:55:15,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 01:55:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 01:55:15,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2022-01-11 01:55:15,813 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 01:55:15,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738867605] [2022-01-11 01:55:15,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738867605] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-11 01:55:15,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576037470] [2022-01-11 01:55:15,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 01:55:15,814 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-11 01:55:15,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 01:55:15,815 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-11 01:55:15,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-01-11 01:55:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 01:55:16,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 2203 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-11 01:55:16,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-11 01:55:16,758 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2022-01-11 01:55:16,759 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-11 01:55:17,373 INFO L134 CoverageAnalysis]: Checked inductivity of 4010 backedges. 2316 proven. 26 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2022-01-11 01:55:17,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576037470] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-11 01:55:17,373 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-11 01:55:17,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2022-01-11 01:55:17,374 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312507431] [2022-01-11 01:55:17,374 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-11 01:55:17,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-11 01:55:17,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 01:55:17,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-11 01:55:17,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-11 01:55:17,375 INFO L87 Difference]: Start difference. First operand 4849 states and 6222 transitions. Second operand has 6 states, 6 states have (on average 45.833333333333336) internal successors, (275), 6 states have internal predecessors, (275), 0 states have call successors, (0), 0 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 01:55:17,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 01:55:17,736 INFO L93 Difference]: Finished difference Result 8228 states and 10656 transitions. [2022-01-11 01:55:17,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-11 01:55:17,737 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 45.833333333333336) internal successors, (275), 6 states have internal predecessors, (275), 0 states have call successors, (0), 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 599 [2022-01-11 01:55:17,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 01:55:17,737 INFO L225 Difference]: With dead ends: 8228 [2022-01-11 01:55:17,737 INFO L226 Difference]: Without dead ends: 0 [2022-01-11 01:55:17,743 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1206 GetRequests, 1199 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-01-11 01:55:17,743 INFO L933 BasicCegarLoop]: 204 mSDtfsCounter, 184 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-11 01:55:17,743 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [184 Valid, 552 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-11 01:55:17,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-11 01:55:17,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-11 01:55:17,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 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 01:55:17,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-11 01:55:17,744 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 599 [2022-01-11 01:55:17,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 01:55:17,744 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-11 01:55:17,744 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 45.833333333333336) internal successors, (275), 6 states have internal predecessors, (275), 0 states have call successors, (0), 0 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 01:55:17,744 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-11 01:55:17,745 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-11 01:55:17,746 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-11 01:55:17,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-01-11 01:55:17,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-01-11 01:55:17,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-11 01:55:20,364 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-11 01:55:20,364 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-11 01:55:20,365 INFO L858 garLoopResultBuilder]: For program point L83(lines 83 91) no Hoare annotation was computed. [2022-01-11 01:55:20,365 INFO L858 garLoopResultBuilder]: For program point L86-2(lines 83 91) no Hoare annotation was computed. [2022-01-11 01:55:20,365 INFO L858 garLoopResultBuilder]: For program point L86(lines 86 90) no Hoare annotation was computed. [2022-01-11 01:55:20,365 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 101) no Hoare annotation was computed. [2022-01-11 01:55:20,365 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 98) no Hoare annotation was computed. [2022-01-11 01:55:20,366 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 74 683) no Hoare annotation was computed. [2022-01-11 01:55:20,366 INFO L861 garLoopResultBuilder]: At program point L681(lines 74 683) the Hoare annotation is: true [2022-01-11 01:55:20,366 INFO L854 garLoopResultBuilder]: At program point L109-2(lines 109 665) the Hoare annotation is: (let ((.cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8576)) (.cse2 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3)) (.cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2))) (or (and (= 8560 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|) .cse0) (and (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8656) .cse1 .cse0) (and .cse1 .cse0 (= 8656 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (and .cse0 (= 8496 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (and .cse1 .cse2 (<= 8672 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) .cse2) (and .cse0 (= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8512)) (and .cse0 (= 8544 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 3) (and .cse2 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8448) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 3)) (and .cse0 (= 8528 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0))) [2022-01-11 01:55:20,367 INFO L861 garLoopResultBuilder]: At program point L682(lines 19 684) the Hoare annotation is: true [2022-01-11 01:55:20,367 INFO L861 garLoopResultBuilder]: At program point L666(lines 108 667) the Hoare annotation is: true [2022-01-11 01:55:20,367 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2022-01-11 01:55:20,367 INFO L861 garLoopResultBuilder]: At program point L694(lines 685 696) the Hoare annotation is: true [2022-01-11 01:55:20,367 INFO L858 garLoopResultBuilder]: For program point L670(lines 670 674) no Hoare annotation was computed. [2022-01-11 01:55:20,367 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 634) no Hoare annotation was computed. [2022-01-11 01:55:20,367 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-11 01:55:20,367 INFO L858 garLoopResultBuilder]: For program point L670-2(lines 670 674) no Hoare annotation was computed. [2022-01-11 01:55:20,367 INFO L861 garLoopResultBuilder]: At program point L113(lines 112 634) the Hoare annotation is: true [2022-01-11 01:55:20,367 INFO L858 garLoopResultBuilder]: For program point L115(lines 115 633) no Hoare annotation was computed. [2022-01-11 01:55:20,367 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-11 01:55:20,367 INFO L861 garLoopResultBuilder]: At program point L222(lines 115 633) the Hoare annotation is: true [2022-01-11 01:55:20,367 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 632) no Hoare annotation was computed. [2022-01-11 01:55:20,367 INFO L858 garLoopResultBuilder]: For program point L227(lines 227 231) no Hoare annotation was computed. [2022-01-11 01:55:20,367 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 631) no Hoare annotation was computed. [2022-01-11 01:55:20,367 INFO L858 garLoopResultBuilder]: For program point L227-2(lines 219 596) no Hoare annotation was computed. [2022-01-11 01:55:20,367 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 630) no Hoare annotation was computed. [2022-01-11 01:55:20,367 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 256) no Hoare annotation was computed. [2022-01-11 01:55:20,367 INFO L858 garLoopResultBuilder]: For program point L127(lines 127 629) no Hoare annotation was computed. [2022-01-11 01:55:20,367 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 246) no Hoare annotation was computed. [2022-01-11 01:55:20,367 INFO L858 garLoopResultBuilder]: For program point L239-2(lines 219 596) no Hoare annotation was computed. [2022-01-11 01:55:20,367 INFO L854 garLoopResultBuilder]: At program point L131(lines 127 629) the Hoare annotation is: (or (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3)) (and (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8576) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2) (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8576)) (and (not (<= 8576 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0))) [2022-01-11 01:55:20,369 INFO L858 garLoopResultBuilder]: For program point L130(lines 130 628) no Hoare annotation was computed. [2022-01-11 01:55:20,369 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 252) no Hoare annotation was computed. [2022-01-11 01:55:20,369 INFO L858 garLoopResultBuilder]: For program point L264(lines 264 276) no Hoare annotation was computed. [2022-01-11 01:55:20,369 INFO L858 garLoopResultBuilder]: For program point L282(lines 282 286) no Hoare annotation was computed. [2022-01-11 01:55:20,369 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 627) no Hoare annotation was computed. [2022-01-11 01:55:20,369 INFO L858 garLoopResultBuilder]: For program point L265(lines 265 270) no Hoare annotation was computed. [2022-01-11 01:55:20,370 INFO L854 garLoopResultBuilder]: At program point L597(lines 109 665) the Hoare annotation is: (let ((.cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8576)) (.cse2 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3)) (.cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2))) (or (and (= 8560 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|) .cse0) (and (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8656) .cse1 .cse0) (and .cse1 .cse0 (= 8656 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (and .cse0 (= 8496 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (and .cse1 .cse2 (<= 8672 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) .cse2) (and .cse0 (= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8512)) (and .cse0 (= 8544 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 3) (and .cse2 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8448) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 3)) (and .cse0 (= 8528 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0))) [2022-01-11 01:55:20,370 INFO L861 garLoopResultBuilder]: At program point L134(lines 133 627) the Hoare annotation is: true [2022-01-11 01:55:20,370 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 626) no Hoare annotation was computed. [2022-01-11 01:55:20,370 INFO L858 garLoopResultBuilder]: For program point L636(lines 636 660) no Hoare annotation was computed. [2022-01-11 01:55:20,370 INFO L858 garLoopResultBuilder]: For program point L635(lines 635 663) no Hoare annotation was computed. [2022-01-11 01:55:20,370 INFO L854 garLoopResultBuilder]: At program point L143(lines 136 626) the Hoare annotation is: (or (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3)) (and (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8576) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2) (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8576)) (and (not (<= 8576 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0))) [2022-01-11 01:55:20,370 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 625) no Hoare annotation was computed. [2022-01-11 01:55:20,370 INFO L858 garLoopResultBuilder]: For program point L637(lines 637 646) no Hoare annotation was computed. [2022-01-11 01:55:20,370 INFO L858 garLoopResultBuilder]: For program point L299(lines 299 303) no Hoare annotation was computed. [2022-01-11 01:55:20,370 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 624) no Hoare annotation was computed. [2022-01-11 01:55:20,371 INFO L858 garLoopResultBuilder]: For program point L639(lines 639 643) no Hoare annotation was computed. [2022-01-11 01:55:20,371 INFO L858 garLoopResultBuilder]: For program point L637-2(lines 636 658) no Hoare annotation was computed. [2022-01-11 01:55:20,371 INFO L858 garLoopResultBuilder]: For program point L299-2(lines 219 596) no Hoare annotation was computed. [2022-01-11 01:55:20,371 INFO L858 garLoopResultBuilder]: For program point L145(lines 145 623) no Hoare annotation was computed. [2022-01-11 01:55:20,371 INFO L858 garLoopResultBuilder]: For program point L648(lines 648 654) no Hoare annotation was computed. [2022-01-11 01:55:20,371 INFO L854 garLoopResultBuilder]: At program point L149(lines 145 623) the Hoare annotation is: (or (and (not (<= 8576 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3))) [2022-01-11 01:55:20,371 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 622) no Hoare annotation was computed. [2022-01-11 01:55:20,371 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 320) no Hoare annotation was computed. [2022-01-11 01:55:20,371 INFO L858 garLoopResultBuilder]: For program point L151(lines 151 621) no Hoare annotation was computed. [2022-01-11 01:55:20,371 INFO L858 garLoopResultBuilder]: For program point L316-2(lines 219 596) no Hoare annotation was computed. [2022-01-11 01:55:20,371 INFO L854 garLoopResultBuilder]: At program point L155(lines 151 621) the Hoare annotation is: (or (and (not (<= 8576 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3))) [2022-01-11 01:55:20,371 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 620) no Hoare annotation was computed. [2022-01-11 01:55:20,371 INFO L858 garLoopResultBuilder]: For program point L326(lines 326 330) no Hoare annotation was computed. [2022-01-11 01:55:20,371 INFO L858 garLoopResultBuilder]: For program point L335-1(lines 335 344) no Hoare annotation was computed. [2022-01-11 01:55:20,371 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 343) no Hoare annotation was computed. [2022-01-11 01:55:20,371 INFO L858 garLoopResultBuilder]: For program point L157(lines 157 619) no Hoare annotation was computed. [2022-01-11 01:55:20,371 INFO L858 garLoopResultBuilder]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2022-01-11 01:55:20,371 INFO L854 garLoopResultBuilder]: At program point L161(lines 157 619) the Hoare annotation is: (or (and (not (<= 8576 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3))) [2022-01-11 01:55:20,371 INFO L858 garLoopResultBuilder]: For program point L160(lines 160 618) no Hoare annotation was computed. [2022-01-11 01:55:20,371 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 355) no Hoare annotation was computed. [2022-01-11 01:55:20,373 INFO L858 garLoopResultBuilder]: For program point L163(lines 163 617) no Hoare annotation was computed. [2022-01-11 01:55:20,373 INFO L858 garLoopResultBuilder]: For program point L351-2(lines 219 596) no Hoare annotation was computed. [2022-01-11 01:55:20,373 INFO L854 garLoopResultBuilder]: At program point L167(lines 163 617) the Hoare annotation is: (or (and (not (<= 8576 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3))) [2022-01-11 01:55:20,373 INFO L858 garLoopResultBuilder]: For program point L166(lines 166 616) no Hoare annotation was computed. [2022-01-11 01:55:20,373 INFO L854 garLoopResultBuilder]: At program point L373(lines 356 391) the Hoare annotation is: (or (and (not (<= 8576 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3))) [2022-01-11 01:55:20,373 INFO L858 garLoopResultBuilder]: For program point L359(lines 359 390) no Hoare annotation was computed. [2022-01-11 01:55:20,373 INFO L858 garLoopResultBuilder]: For program point L398(lines 398 429) no Hoare annotation was computed. [2022-01-11 01:55:20,373 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 615) no Hoare annotation was computed. [2022-01-11 01:55:20,374 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 379) no Hoare annotation was computed. [2022-01-11 01:55:20,374 INFO L858 garLoopResultBuilder]: For program point L362(lines 362 389) no Hoare annotation was computed. [2022-01-11 01:55:20,374 INFO L858 garLoopResultBuilder]: For program point L399(lines 399 405) no Hoare annotation was computed. [2022-01-11 01:55:20,374 INFO L854 garLoopResultBuilder]: At program point L407(lines 398 429) the Hoare annotation is: (or (and (not (<= 8576 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3))) [2022-01-11 01:55:20,374 INFO L854 garLoopResultBuilder]: At program point L173(lines 169 615) the Hoare annotation is: (or (and (not (<= 8576 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3))) [2022-01-11 01:55:20,374 INFO L858 garLoopResultBuilder]: For program point L172(lines 172 614) no Hoare annotation was computed. [2022-01-11 01:55:20,374 INFO L858 garLoopResultBuilder]: For program point L362-1(lines 362 389) no Hoare annotation was computed. [2022-01-11 01:55:20,374 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 386) no Hoare annotation was computed. [2022-01-11 01:55:20,374 INFO L858 garLoopResultBuilder]: For program point L409(lines 409 415) no Hoare annotation was computed. [2022-01-11 01:55:20,374 INFO L854 garLoopResultBuilder]: At program point L417(lines 408 428) the Hoare annotation is: (or (and (not (<= 8576 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3))) [2022-01-11 01:55:20,374 INFO L858 garLoopResultBuilder]: For program point L439(lines 439 443) no Hoare annotation was computed. [2022-01-11 01:55:20,374 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 613) no Hoare annotation was computed. [2022-01-11 01:55:20,374 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 385) no Hoare annotation was computed. [2022-01-11 01:55:20,374 INFO L858 garLoopResultBuilder]: For program point L420(lines 420 424) no Hoare annotation was computed. [2022-01-11 01:55:20,374 INFO L854 garLoopResultBuilder]: At program point L176(lines 175 613) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3)) (.cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8448))) (or (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) .cse0 .cse1) (and .cse0 .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 3)) (and .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)) (and (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8576) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2) .cse1))) [2022-01-11 01:55:20,374 INFO L858 garLoopResultBuilder]: For program point L178(lines 178 612) no Hoare annotation was computed. [2022-01-11 01:55:20,374 INFO L858 garLoopResultBuilder]: For program point L367(lines 367 371) no Hoare annotation was computed. [2022-01-11 01:55:20,374 INFO L858 garLoopResultBuilder]: For program point L452(lines 452 457) no Hoare annotation was computed. [2022-01-11 01:55:20,374 INFO L858 garLoopResultBuilder]: For program point L449-1(lines 449 461) no Hoare annotation was computed. [2022-01-11 01:55:20,374 INFO L854 garLoopResultBuilder]: At program point L182(lines 178 612) the Hoare annotation is: (let ((.cse0 (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8656))) (or (and .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8576) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)) (and .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3)))) [2022-01-11 01:55:20,374 INFO L858 garLoopResultBuilder]: For program point L181(lines 181 611) no Hoare annotation was computed. [2022-01-11 01:55:20,374 INFO L858 garLoopResultBuilder]: For program point L367-2(lines 366 383) no Hoare annotation was computed. [2022-01-11 01:55:20,375 INFO L858 garLoopResultBuilder]: For program point L467(lines 467 471) no Hoare annotation was computed. [2022-01-11 01:55:20,375 INFO L858 garLoopResultBuilder]: For program point L184(lines 184 610) no Hoare annotation was computed. [2022-01-11 01:55:20,375 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 483) no Hoare annotation was computed. [2022-01-11 01:55:20,375 INFO L854 garLoopResultBuilder]: At program point L188(lines 184 610) the Hoare annotation is: (let ((.cse0 (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8656))) (or (and .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8576) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)) (and .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3)))) [2022-01-11 01:55:20,375 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 609) no Hoare annotation was computed. [2022-01-11 01:55:20,375 INFO L858 garLoopResultBuilder]: For program point L476(lines 476 480) no Hoare annotation was computed. [2022-01-11 01:55:20,375 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 492) no Hoare annotation was computed. [2022-01-11 01:55:20,375 INFO L858 garLoopResultBuilder]: For program point L190(lines 190 608) no Hoare annotation was computed. [2022-01-11 01:55:20,375 INFO L854 garLoopResultBuilder]: At program point L194(lines 190 608) the Hoare annotation is: (let ((.cse0 (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8656))) (or (and .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8576) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)) (and .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3)))) [2022-01-11 01:55:20,375 INFO L858 garLoopResultBuilder]: For program point L193(lines 193 607) no Hoare annotation was computed. [2022-01-11 01:55:20,375 INFO L858 garLoopResultBuilder]: For program point L499(lines 499 503) no Hoare annotation was computed. [2022-01-11 01:55:20,375 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 606) no Hoare annotation was computed. [2022-01-11 01:55:20,375 INFO L854 garLoopResultBuilder]: At program point L200(lines 196 606) the Hoare annotation is: (let ((.cse0 (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8656))) (or (and .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8576) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)) (and .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)))) [2022-01-11 01:55:20,375 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 605) no Hoare annotation was computed. [2022-01-11 01:55:20,375 INFO L858 garLoopResultBuilder]: For program point L510(lines 510 514) no Hoare annotation was computed. [2022-01-11 01:55:20,375 INFO L858 garLoopResultBuilder]: For program point L202(lines 202 604) no Hoare annotation was computed. [2022-01-11 01:55:20,375 INFO L858 garLoopResultBuilder]: For program point L510-2(lines 219 596) no Hoare annotation was computed. [2022-01-11 01:55:20,375 INFO L854 garLoopResultBuilder]: At program point L206(lines 202 604) the Hoare annotation is: (or (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3)) (and (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8576) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)) [2022-01-11 01:55:20,375 INFO L858 garLoopResultBuilder]: For program point L205(lines 205 603) no Hoare annotation was computed. [2022-01-11 01:55:20,375 INFO L858 garLoopResultBuilder]: For program point L520(lines 520 524) no Hoare annotation was computed. [2022-01-11 01:55:20,375 INFO L858 garLoopResultBuilder]: For program point L530(lines 530 535) no Hoare annotation was computed. [2022-01-11 01:55:20,375 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 602) no Hoare annotation was computed. [2022-01-11 01:55:20,375 INFO L858 garLoopResultBuilder]: For program point L520-2(lines 520 524) no Hoare annotation was computed. [2022-01-11 01:55:20,376 INFO L858 garLoopResultBuilder]: For program point L537(lines 537 541) no Hoare annotation was computed. [2022-01-11 01:55:20,376 INFO L854 garLoopResultBuilder]: At program point L212(lines 208 602) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3)) (.cse1 (<= 8672 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|))) (or (and (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8576) .cse0 .cse1) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) .cse0 .cse1) (and .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)))) [2022-01-11 01:55:20,376 INFO L858 garLoopResultBuilder]: For program point L211(lines 211 601) no Hoare annotation was computed. [2022-01-11 01:55:20,376 INFO L858 garLoopResultBuilder]: For program point L537-2(lines 219 596) no Hoare annotation was computed. [2022-01-11 01:55:20,376 INFO L858 garLoopResultBuilder]: For program point L559(lines 559 563) no Hoare annotation was computed. [2022-01-11 01:55:20,376 INFO L858 garLoopResultBuilder]: For program point L214(lines 214 600) no Hoare annotation was computed. [2022-01-11 01:55:20,376 INFO L858 garLoopResultBuilder]: For program point L549(lines 549 554) no Hoare annotation was computed. [2022-01-11 01:55:20,376 INFO L854 garLoopResultBuilder]: At program point L560(lines 74 683) the Hoare annotation is: false [2022-01-11 01:55:20,376 INFO L858 garLoopResultBuilder]: For program point L564(lines 564 568) no Hoare annotation was computed. [2022-01-11 01:55:20,376 INFO L861 garLoopResultBuilder]: At program point L215(lines 214 600) the Hoare annotation is: true [2022-01-11 01:55:20,376 INFO L861 garLoopResultBuilder]: At program point L218(lines 217 599) the Hoare annotation is: true [2022-01-11 01:55:20,376 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 677) no Hoare annotation was computed. [2022-01-11 01:55:20,376 INFO L858 garLoopResultBuilder]: For program point L570(lines 570 574) no Hoare annotation was computed. [2022-01-11 01:55:20,376 INFO L858 garLoopResultBuilder]: For program point L580(lines 580 590) no Hoare annotation was computed. [2022-01-11 01:55:20,376 INFO L858 garLoopResultBuilder]: For program point L570-2(lines 570 574) no Hoare annotation was computed. [2022-01-11 01:55:20,376 INFO L858 garLoopResultBuilder]: For program point L583(lines 583 587) no Hoare annotation was computed. [2022-01-11 01:55:20,376 INFO L858 garLoopResultBuilder]: For program point L580-1(lines 580 590) no Hoare annotation was computed. [2022-01-11 01:55:20,380 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 01:55:20,381 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-11 01:55:20,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 01:55:20 BasicIcfg [2022-01-11 01:55:20,416 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-11 01:55:20,417 INFO L158 Benchmark]: Toolchain (without parser) took 16004.35ms. Allocated memory was 229.6MB in the beginning and 496.0MB in the end (delta: 266.3MB). Free memory was 180.4MB in the beginning and 380.3MB in the end (delta: -199.9MB). Peak memory consumption was 283.4MB. Max. memory is 8.0GB. [2022-01-11 01:55:20,417 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 229.6MB. Free memory is still 197.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-11 01:55:20,417 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.75ms. Allocated memory is still 229.6MB. Free memory was 180.2MB in the beginning and 201.9MB in the end (delta: -21.8MB). Peak memory consumption was 13.4MB. Max. memory is 8.0GB. [2022-01-11 01:55:20,417 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.91ms. Allocated memory is still 229.6MB. Free memory was 201.9MB in the beginning and 199.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-11 01:55:20,417 INFO L158 Benchmark]: Boogie Preprocessor took 30.62ms. Allocated memory is still 229.6MB. Free memory was 199.3MB in the beginning and 197.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-11 01:55:20,417 INFO L158 Benchmark]: RCFGBuilder took 404.67ms. Allocated memory is still 229.6MB. Free memory was 196.7MB in the beginning and 170.5MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2022-01-11 01:55:20,417 INFO L158 Benchmark]: IcfgTransformer took 261.76ms. Allocated memory is still 229.6MB. Free memory was 170.5MB in the beginning and 124.9MB in the end (delta: 45.6MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. [2022-01-11 01:55:20,418 INFO L158 Benchmark]: TraceAbstraction took 14987.47ms. Allocated memory was 229.6MB in the beginning and 496.0MB in the end (delta: 266.3MB). Free memory was 124.3MB in the beginning and 380.3MB in the end (delta: -256.0MB). Peak memory consumption was 227.0MB. Max. memory is 8.0GB. [2022-01-11 01:55:20,418 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 229.6MB. Free memory is still 197.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 246.75ms. Allocated memory is still 229.6MB. Free memory was 180.2MB in the beginning and 201.9MB in the end (delta: -21.8MB). Peak memory consumption was 13.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 56.91ms. Allocated memory is still 229.6MB. Free memory was 201.9MB in the beginning and 199.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.62ms. Allocated memory is still 229.6MB. Free memory was 199.3MB in the beginning and 197.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 404.67ms. Allocated memory is still 229.6MB. Free memory was 196.7MB in the beginning and 170.5MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * IcfgTransformer took 261.76ms. Allocated memory is still 229.6MB. Free memory was 170.5MB in the beginning and 124.9MB in the end (delta: 45.6MB). Peak memory consumption was 45.1MB. Max. memory is 8.0GB. * TraceAbstraction took 14987.47ms. Allocated memory was 229.6MB in the beginning and 496.0MB in the end (delta: 266.3MB). Free memory was 124.3MB in the beginning and 380.3MB in the end (delta: -256.0MB). Peak memory consumption was 227.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 677]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 138 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.9s, OverallIterations: 18, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1624 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1624 mSDsluCounter, 6008 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2413 mSDsCounter, 340 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2213 IncrementalHoareTripleChecker+Invalid, 2553 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 340 mSolverCounterUnsat, 3595 mSDtfsCounter, 2213 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3371 GetRequests, 3340 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4849occurred in iteration=17, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 18 MinimizatonAttempts, 1256 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 29 PreInvPairs, 457 NumberOfFragments, 625 HoareAnnotationTreeSize, 29 FomulaSimplifications, 6725 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 29 FomulaSimplificationsInter, 7865 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 5506 NumberOfCodeBlocks, 5506 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 6454 ConstructedInterpolants, 0 QuantifiedInterpolants, 10466 SizeOfPredicates, 3 NumberOfNonLiveVariables, 9081 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 22 InterpolantComputations, 16 PerfectInterpolantSequences, 27311/27467 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: ((~bvule32(blastFlag, 0bv32) && ~bvult64(s__state, 8656bv32)) || (!(s__hit == 0bv32) && ~bvule32(0bv32, s__hit))) || ((~bvule32(blastFlag, 2bv32) && ~bvult64(s__state, 8656bv32)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32)) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: (((~bvule32(blastFlag, 3bv32) && ~bvule32(8672bv32, s__state)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32)) || (((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit)) && ~bvule32(8672bv32, s__state))) || (~bvule32(blastFlag, 0bv32) && ~bvule32(8672bv32, s__state)) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (~bvule32(blastFlag, 2bv32) && !~bvule32(8576bv32, s__state)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit)) - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: ((~bvule32(blastFlag, 0bv32) && !~bvule32(8576bv32, s__state)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit))) || ((~bvule32(blastFlag, 2bv32) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32)) && ~bvult64(s__state, 8576bv32)) - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: (((((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit)) && ~bvule32(s__state, 8448bv32)) || ((~bvule32(blastFlag, 2bv32) && ~bvule32(s__state, 8448bv32)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32))) || ((~bvule32(blastFlag, 3bv32) && ~bvule32(s__s3__tmp__next_state___0, 3bv32)) && ~bvule32(s__state, 8448bv32))) || (~bvule32(blastFlag, 0bv32) && ~bvule32(s__state, 8448bv32)) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((((((((((~bvule32(blastFlag, 2bv32) && 8528bv32 == s__state) || ~bvule32(s__state, 3bv32)) || ~bvule32(blastFlag, 0bv32)) || (~bvule32(blastFlag, 2bv32) && 8496bv32 == s__state)) || ((~bvule32(blastFlag, 3bv32) && ~bvule32(s__s3__tmp__next_state___0, 3bv32)) && ~bvule32(s__state, 8448bv32))) || ((~bvule32(blastFlag, 3bv32) && ~bvule32(8672bv32, s__state)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32))) || ((~bvule32(blastFlag, 2bv32) && 8656bv32 == s__state) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32))) || (~bvule32(blastFlag, 2bv32) && 8512bv32 == s__state)) || (~bvule32(blastFlag, 2bv32) && 8560bv32 == s__state)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit))) || ((~bvule32(blastFlag, 2bv32) && ~bvult64(s__state, 8656bv32)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32))) || (~bvule32(blastFlag, 2bv32) && 8544bv32 == s__state) - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: (~bvule32(blastFlag, 2bv32) && !~bvule32(8576bv32, s__state)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit)) - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 398]: Loop Invariant Derived loop invariant: (~bvule32(blastFlag, 2bv32) && !~bvule32(8576bv32, s__state)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit)) - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: (~bvule32(blastFlag, 2bv32) && !~bvule32(8576bv32, s__state)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit)) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: ((~bvule32(blastFlag, 0bv32) && ~bvult64(s__state, 8656bv32)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit))) || ((~bvule32(blastFlag, 2bv32) && ~bvult64(s__state, 8656bv32)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32)) - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 356]: Loop Invariant Derived loop invariant: (~bvule32(blastFlag, 2bv32) && !~bvule32(8576bv32, s__state)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit)) - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: (~bvule32(blastFlag, 2bv32) && !~bvule32(8576bv32, s__state)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit)) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 685]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: (~bvule32(blastFlag, 2bv32) && !~bvule32(8576bv32, s__state)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit)) - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: (~bvule32(blastFlag, 2bv32) && !~bvule32(8576bv32, s__state)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit)) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: (((((((((((~bvule32(blastFlag, 2bv32) && 8528bv32 == s__state) || ~bvule32(s__state, 3bv32)) || ~bvule32(blastFlag, 0bv32)) || (~bvule32(blastFlag, 2bv32) && 8496bv32 == s__state)) || ((~bvule32(blastFlag, 3bv32) && ~bvule32(s__s3__tmp__next_state___0, 3bv32)) && ~bvule32(s__state, 8448bv32))) || ((~bvule32(blastFlag, 3bv32) && ~bvule32(8672bv32, s__state)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32))) || ((~bvule32(blastFlag, 2bv32) && 8656bv32 == s__state) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32))) || (~bvule32(blastFlag, 2bv32) && 8512bv32 == s__state)) || (~bvule32(blastFlag, 2bv32) && 8560bv32 == s__state)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit))) || ((~bvule32(blastFlag, 2bv32) && ~bvult64(s__state, 8656bv32)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32))) || (~bvule32(blastFlag, 2bv32) && 8544bv32 == s__state) - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: ((~bvule32(blastFlag, 0bv32) && ~bvult64(s__state, 8656bv32)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit))) || ((~bvule32(blastFlag, 2bv32) && ~bvult64(s__state, 8656bv32)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32)) - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: ((~bvule32(blastFlag, 0bv32) && !~bvule32(8576bv32, s__state)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit))) || ((~bvule32(blastFlag, 2bv32) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32)) && ~bvult64(s__state, 8576bv32)) - InvariantResult [Line: 214]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: ((~bvule32(blastFlag, 0bv32) && ~bvult64(s__state, 8656bv32)) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit))) || ((~bvule32(blastFlag, 2bv32) && ~bvult64(s__state, 8656bv32)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32)) - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: (~bvule32(blastFlag, 0bv32) || (~bvule32(blastFlag, 2bv32) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32))) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(0bv32, s__hit)) RESULT: Ultimate proved your program to be correct! [2022-01-11 01:55:20,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...