/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_LAZY.epf -i ../../../trunk/examples/svcomp/openssl-simplified/s3_srvr_2.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 15:52:39,586 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 15:52:39,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 15:52:39,635 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 15:52:39,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 15:52:39,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 15:52:39,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 15:52:39,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 15:52:39,643 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 15:52:39,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 15:52:39,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 15:52:39,645 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 15:52:39,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 15:52:39,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 15:52:39,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 15:52:39,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 15:52:39,648 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 15:52:39,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 15:52:39,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 15:52:39,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 15:52:39,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 15:52:39,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 15:52:39,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 15:52:39,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 15:52:39,668 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 15:52:39,668 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 15:52:39,668 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 15:52:39,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 15:52:39,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 15:52:39,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 15:52:39,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 15:52:39,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 15:52:39,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 15:52:39,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 15:52:39,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 15:52:39,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 15:52:39,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 15:52:39,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 15:52:39,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 15:52:39,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 15:52:39,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 15:52:39,676 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_LAZY.epf [2022-01-10 15:52:39,698 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 15:52:39,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 15:52:39,703 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 15:52:39,703 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 15:52:39,704 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 15:52:39,704 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 15:52:39,705 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 15:52:39,705 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 15:52:39,705 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 15:52:39,705 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 15:52:39,706 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 15:52:39,706 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 15:52:39,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 15:52:39,706 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 15:52:39,706 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 15:52:39,706 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 15:52:39,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 15:52:39,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 15:52:39,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 15:52:39,706 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 15:52:39,706 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 15:52:39,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 15:52:39,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 15:52:39,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 15:52:39,707 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 15:52:39,707 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 15:52:39,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 15:52:39,707 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 15:52:39,707 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 15:52:39,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 15:52:39,708 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 15:52:39,708 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 15:52:39,709 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 15:52:39,709 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_LAZY 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 15:52:39,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 15:52:39,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 15:52:39,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 15:52:39,891 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 15:52:39,894 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 15:52:39,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/openssl-simplified/s3_srvr_2.cil-1.c [2022-01-10 15:52:39,938 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5788a8b7/56c8a51bad894245b3ce06e6472b3e07/FLAG2f36b3ac5 [2022-01-10 15:52:40,329 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 15:52:40,330 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_2.cil-1.c [2022-01-10 15:52:40,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5788a8b7/56c8a51bad894245b3ce06e6472b3e07/FLAG2f36b3ac5 [2022-01-10 15:52:40,360 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5788a8b7/56c8a51bad894245b3ce06e6472b3e07 [2022-01-10 15:52:40,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 15:52:40,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 15:52:40,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 15:52:40,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 15:52:40,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 15:52:40,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:52:40" (1/1) ... [2022-01-10 15:52:40,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11747a2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:52:40, skipping insertion in model container [2022-01-10 15:52:40,371 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 03:52:40" (1/1) ... [2022-01-10 15:52:40,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 15:52:40,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 15:52:40,574 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_2.cil-1.c[42877,42890] [2022-01-10 15:52:40,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 15:52:40,588 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 15:52:40,616 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/openssl-simplified/s3_srvr_2.cil-1.c[42877,42890] [2022-01-10 15:52:40,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 15:52:40,627 INFO L208 MainTranslator]: Completed translation [2022-01-10 15:52:40,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:52:40 WrapperNode [2022-01-10 15:52:40,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 15:52:40,629 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 15:52:40,629 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 15:52:40,629 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 15:52:40,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:52:40" (1/1) ... [2022-01-10 15:52:40,643 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:52:40" (1/1) ... [2022-01-10 15:52:40,666 INFO L137 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 500 [2022-01-10 15:52:40,666 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 15:52:40,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 15:52:40,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 15:52:40,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 15:52:40,672 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:52:40" (1/1) ... [2022-01-10 15:52:40,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:52:40" (1/1) ... [2022-01-10 15:52:40,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:52:40" (1/1) ... [2022-01-10 15:52:40,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:52:40" (1/1) ... [2022-01-10 15:52:40,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:52:40" (1/1) ... [2022-01-10 15:52:40,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:52:40" (1/1) ... [2022-01-10 15:52:40,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:52:40" (1/1) ... [2022-01-10 15:52:40,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 15:52:40,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 15:52:40,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 15:52:40,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 15:52:40,704 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:52:40" (1/1) ... [2022-01-10 15:52:40,717 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 15:52:40,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 15:52:40,736 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) [2022-01-10 15:52:40,739 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 [2022-01-10 15:52:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 15:52:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 15:52:40,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 15:52:40,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 15:52:40,828 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 15:52:40,829 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 15:52:40,837 WARN L813 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-01-10 15:52:41,141 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-01-10 15:52:41,142 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-01-10 15:52:41,142 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 15:52:41,147 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 15:52:41,147 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 15:52:41,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:52:41 BoogieIcfgContainer [2022-01-10 15:52:41,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 15:52:41,149 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 15:52:41,149 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 15:52:41,151 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 15:52:41,152 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:52:41" (1/1) ... [2022-01-10 15:52:41,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 03:52:41 BasicIcfg [2022-01-10 15:52:41,295 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 15:52:41,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 15:52:41,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 15:52:41,298 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 15:52:41,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 03:52:40" (1/4) ... [2022-01-10 15:52:41,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@352df7df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:52:41, skipping insertion in model container [2022-01-10 15:52:41,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 03:52:40" (2/4) ... [2022-01-10 15:52:41,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@352df7df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 03:52:41, skipping insertion in model container [2022-01-10 15:52:41,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 03:52:41" (3/4) ... [2022-01-10 15:52:41,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@352df7df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 03:52:41, skipping insertion in model container [2022-01-10 15:52:41,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 03:52:41" (4/4) ... [2022-01-10 15:52:41,299 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_2.cil-1.cTransformedIcfg [2022-01-10 15:52:41,302 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 15:52:41,303 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 15:52:41,352 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 15:52:41,360 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 [2022-01-10 15:52:41,360 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 15:52:41,373 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 139 states have (on average 1.7266187050359711) internal successors, (240), 140 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:41,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-01-10 15:52:41,383 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:41,383 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] [2022-01-10 15:52:41,384 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:41,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:41,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1347902195, now seen corresponding path program 1 times [2022-01-10 15:52:41,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:41,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091850485] [2022-01-10 15:52:41,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:41,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:41,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 15:52:41,599 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:41,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091850485] [2022-01-10 15:52:41,600 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091850485] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:52:41,600 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:52:41,600 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:52:41,601 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683432497] [2022-01-10 15:52:41,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:52:41,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:52:41,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:41,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:52:41,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:41,627 INFO L87 Difference]: Start difference. First operand has 141 states, 139 states have (on average 1.7266187050359711) internal successors, (240), 140 states have internal predecessors, (240), 0 states have call successors, (0), 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) [2022-01-10 15:52:41,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:41,716 INFO L93 Difference]: Finished difference Result 404 states and 690 transitions. [2022-01-10 15:52:41,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:52:41,718 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 [2022-01-10 15:52:41,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:41,725 INFO L225 Difference]: With dead ends: 404 [2022-01-10 15:52:41,725 INFO L226 Difference]: Without dead ends: 245 [2022-01-10 15:52:41,728 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 [2022-01-10 15:52:41,730 INFO L933 BasicCegarLoop]: 232 mSDtfsCounter, 186 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 15:52:41,731 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [186 Valid, 447 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 15:52:41,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2022-01-10 15:52:41,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2022-01-10 15:52:41,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 244 states have (on average 1.528688524590164) internal successors, (373), 244 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:41,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 373 transitions. [2022-01-10 15:52:41,777 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 373 transitions. Word has length 44 [2022-01-10 15:52:41,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:41,777 INFO L470 AbstractCegarLoop]: Abstraction has 245 states and 373 transitions. [2022-01-10 15:52:41,777 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) [2022-01-10 15:52:41,778 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 373 transitions. [2022-01-10 15:52:41,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-01-10 15:52:41,779 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:41,779 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] [2022-01-10 15:52:41,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 15:52:41,780 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:41,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:41,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1733675330, now seen corresponding path program 1 times [2022-01-10 15:52:41,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:41,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268321147] [2022-01-10 15:52:41,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:41,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:41,888 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 15:52:41,889 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:41,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268321147] [2022-01-10 15:52:41,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268321147] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:52:41,889 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:52:41,889 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:52:41,889 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294593791] [2022-01-10 15:52:41,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:52:41,890 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:52:41,890 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:41,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:52:41,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:41,891 INFO L87 Difference]: Start difference. First operand 245 states and 373 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) [2022-01-10 15:52:42,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:42,099 INFO L93 Difference]: Finished difference Result 396 states and 609 transitions. [2022-01-10 15:52:42,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:52:42,099 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 [2022-01-10 15:52:42,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:42,104 INFO L225 Difference]: With dead ends: 396 [2022-01-10 15:52:42,104 INFO L226 Difference]: Without dead ends: 276 [2022-01-10 15:52:42,109 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 [2022-01-10 15:52:42,111 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 15 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 15:52:42,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 308 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 15:52:42,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2022-01-10 15:52:42,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 266. [2022-01-10 15:52:42,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 265 states have (on average 1.5056603773584907) internal successors, (399), 265 states have internal predecessors, (399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:42,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 399 transitions. [2022-01-10 15:52:42,135 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 399 transitions. Word has length 60 [2022-01-10 15:52:42,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:42,136 INFO L470 AbstractCegarLoop]: Abstraction has 266 states and 399 transitions. [2022-01-10 15:52:42,136 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) [2022-01-10 15:52:42,136 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 399 transitions. [2022-01-10 15:52:42,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-10 15:52:42,139 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:42,139 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] [2022-01-10 15:52:42,139 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 15:52:42,139 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:42,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:42,140 INFO L85 PathProgramCache]: Analyzing trace with hash 2073192471, now seen corresponding path program 1 times [2022-01-10 15:52:42,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:42,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356260584] [2022-01-10 15:52:42,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:42,141 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:42,240 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-10 15:52:42,240 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:42,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356260584] [2022-01-10 15:52:42,241 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356260584] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:52:42,241 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:52:42,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:52:42,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115066488] [2022-01-10 15:52:42,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:52:42,242 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:52:42,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:42,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:52:42,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:42,243 INFO L87 Difference]: Start difference. First operand 266 states and 399 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) [2022-01-10 15:52:42,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:42,376 INFO L93 Difference]: Finished difference Result 616 states and 951 transitions. [2022-01-10 15:52:42,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:52:42,376 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 [2022-01-10 15:52:42,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:42,379 INFO L225 Difference]: With dead ends: 616 [2022-01-10 15:52:42,379 INFO L226 Difference]: Without dead ends: 358 [2022-01-10 15:52:42,381 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 [2022-01-10 15:52:42,385 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 14 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 15:52:42,386 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 309 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 15:52:42,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2022-01-10 15:52:42,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 350. [2022-01-10 15:52:42,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 349 states have (on average 1.4126074498567336) internal successors, (493), 349 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:42,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 493 transitions. [2022-01-10 15:52:42,405 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 493 transitions. Word has length 81 [2022-01-10 15:52:42,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:42,406 INFO L470 AbstractCegarLoop]: Abstraction has 350 states and 493 transitions. [2022-01-10 15:52:42,406 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) [2022-01-10 15:52:42,406 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 493 transitions. [2022-01-10 15:52:42,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-01-10 15:52:42,408 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:42,408 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] [2022-01-10 15:52:42,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 15:52:42,409 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:42,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:42,409 INFO L85 PathProgramCache]: Analyzing trace with hash -2097701578, now seen corresponding path program 1 times [2022-01-10 15:52:42,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:42,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808537528] [2022-01-10 15:52:42,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:42,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:42,445 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-01-10 15:52:42,445 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:42,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808537528] [2022-01-10 15:52:42,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808537528] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:52:42,446 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:52:42,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:52:42,446 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850805604] [2022-01-10 15:52:42,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:52:42,446 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:52:42,446 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:42,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:52:42,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:42,447 INFO L87 Difference]: Start difference. First operand 350 states and 493 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) [2022-01-10 15:52:42,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:42,545 INFO L93 Difference]: Finished difference Result 746 states and 1068 transitions. [2022-01-10 15:52:42,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:52:42,546 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 [2022-01-10 15:52:42,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:42,548 INFO L225 Difference]: With dead ends: 746 [2022-01-10 15:52:42,548 INFO L226 Difference]: Without dead ends: 404 [2022-01-10 15:52:42,549 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 [2022-01-10 15:52:42,553 INFO L933 BasicCegarLoop]: 208 mSDtfsCounter, 13 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 15:52:42,554 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 309 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 15:52:42,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2022-01-10 15:52:42,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 396. [2022-01-10 15:52:42,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 395 states have (on average 1.389873417721519) internal successors, (549), 395 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:42,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 549 transitions. [2022-01-10 15:52:42,562 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 549 transitions. Word has length 81 [2022-01-10 15:52:42,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:42,562 INFO L470 AbstractCegarLoop]: Abstraction has 396 states and 549 transitions. [2022-01-10 15:52:42,562 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) [2022-01-10 15:52:42,562 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 549 transitions. [2022-01-10 15:52:42,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-01-10 15:52:42,566 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:42,566 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, 1] [2022-01-10 15:52:42,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 15:52:42,567 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:42,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:42,569 INFO L85 PathProgramCache]: Analyzing trace with hash -828826748, now seen corresponding path program 1 times [2022-01-10 15:52:42,569 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:42,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302353081] [2022-01-10 15:52:42,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:42,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:42,642 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-01-10 15:52:42,642 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:42,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302353081] [2022-01-10 15:52:42,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302353081] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:52:42,642 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:52:42,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:52:42,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991721433] [2022-01-10 15:52:42,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:52:42,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:52:42,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:42,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:52:42,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:42,644 INFO L87 Difference]: Start difference. First operand 396 states and 549 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:42,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:42,741 INFO L93 Difference]: Finished difference Result 860 states and 1220 transitions. [2022-01-10 15:52:42,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:52:42,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 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 102 [2022-01-10 15:52:42,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:42,744 INFO L225 Difference]: With dead ends: 860 [2022-01-10 15:52:42,744 INFO L226 Difference]: Without dead ends: 472 [2022-01-10 15:52:42,745 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 [2022-01-10 15:52:42,746 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 29 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 15:52:42,746 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 308 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 15:52:42,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2022-01-10 15:52:42,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 446. [2022-01-10 15:52:42,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 445 states have (on average 1.3685393258426966) internal successors, (609), 445 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:42,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 609 transitions. [2022-01-10 15:52:42,760 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 609 transitions. Word has length 102 [2022-01-10 15:52:42,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:42,765 INFO L470 AbstractCegarLoop]: Abstraction has 446 states and 609 transitions. [2022-01-10 15:52:42,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:42,769 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 609 transitions. [2022-01-10 15:52:42,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-10 15:52:42,774 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:42,774 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] [2022-01-10 15:52:42,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 15:52:42,775 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:42,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:42,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1178035384, now seen corresponding path program 1 times [2022-01-10 15:52:42,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:42,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595619508] [2022-01-10 15:52:42,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:42,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:42,833 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2022-01-10 15:52:42,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:42,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595619508] [2022-01-10 15:52:42,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595619508] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:52:42,833 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:52:42,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:52:42,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413720570] [2022-01-10 15:52:42,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:52:42,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:52:42,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:42,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:52:42,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:42,835 INFO L87 Difference]: Start difference. First operand 446 states and 609 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) [2022-01-10 15:52:42,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:42,858 INFO L93 Difference]: Finished difference Result 677 states and 924 transitions. [2022-01-10 15:52:42,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:52:42,858 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 [2022-01-10 15:52:42,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:42,860 INFO L225 Difference]: With dead ends: 677 [2022-01-10 15:52:42,860 INFO L226 Difference]: Without dead ends: 675 [2022-01-10 15:52:42,861 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 [2022-01-10 15:52:42,861 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 148 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 362 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 [2022-01-10 15:52:42,861 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 362 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 15:52:42,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2022-01-10 15:52:42,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 675. [2022-01-10 15:52:42,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 674 states have (on average 1.367952522255193) internal successors, (922), 674 states have internal predecessors, (922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:42,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 922 transitions. [2022-01-10 15:52:42,889 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 922 transitions. Word has length 121 [2022-01-10 15:52:42,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:42,889 INFO L470 AbstractCegarLoop]: Abstraction has 675 states and 922 transitions. [2022-01-10 15:52:42,890 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) [2022-01-10 15:52:42,890 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 922 transitions. [2022-01-10 15:52:42,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-01-10 15:52:42,891 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:42,891 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, 1] [2022-01-10 15:52:42,891 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-10 15:52:42,891 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:42,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:42,892 INFO L85 PathProgramCache]: Analyzing trace with hash 2068651371, now seen corresponding path program 1 times [2022-01-10 15:52:42,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:42,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070538692] [2022-01-10 15:52:42,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:42,892 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:42,920 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-01-10 15:52:42,920 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:42,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070538692] [2022-01-10 15:52:42,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070538692] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:52:42,920 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:52:42,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:52:42,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841567910] [2022-01-10 15:52:42,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:52:42,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:52:42,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:42,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:52:42,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:42,921 INFO L87 Difference]: Start difference. First operand 675 states and 922 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:42,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:42,937 INFO L93 Difference]: Finished difference Result 1159 states and 1580 transitions. [2022-01-10 15:52:42,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:52:42,938 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 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 122 [2022-01-10 15:52:42,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:42,940 INFO L225 Difference]: With dead ends: 1159 [2022-01-10 15:52:42,940 INFO L226 Difference]: Without dead ends: 699 [2022-01-10 15:52:42,940 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 [2022-01-10 15:52:42,941 INFO L933 BasicCegarLoop]: 222 mSDtfsCounter, 10 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 15:52:42,941 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 407 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 15:52:42,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2022-01-10 15:52:42,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2022-01-10 15:52:42,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 1.3624641833810889) internal successors, (951), 698 states have internal predecessors, (951), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:42,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 951 transitions. [2022-01-10 15:52:42,952 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 951 transitions. Word has length 122 [2022-01-10 15:52:42,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:42,952 INFO L470 AbstractCegarLoop]: Abstraction has 699 states and 951 transitions. [2022-01-10 15:52:42,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:42,952 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 951 transitions. [2022-01-10 15:52:42,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-01-10 15:52:42,954 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:42,954 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:52:42,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-10 15:52:42,954 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:42,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:42,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1575384847, now seen corresponding path program 1 times [2022-01-10 15:52:42,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:42,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930751131] [2022-01-10 15:52:42,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:42,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:42,992 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-01-10 15:52:42,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:42,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930751131] [2022-01-10 15:52:42,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930751131] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:52:42,993 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:52:42,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:52:42,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495254122] [2022-01-10 15:52:42,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:52:42,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:52:42,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:42,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:52:42,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:42,994 INFO L87 Difference]: Start difference. First operand 699 states and 951 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:43,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:43,116 INFO L93 Difference]: Finished difference Result 1549 states and 2172 transitions. [2022-01-10 15:52:43,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:52:43,116 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 183 [2022-01-10 15:52:43,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:43,120 INFO L225 Difference]: With dead ends: 1549 [2022-01-10 15:52:43,120 INFO L226 Difference]: Without dead ends: 858 [2022-01-10 15:52:43,121 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 [2022-01-10 15:52:43,121 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 47 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 15:52:43,122 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [47 Valid, 300 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 15:52:43,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2022-01-10 15:52:43,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 822. [2022-01-10 15:52:43,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 822 states, 821 states have (on average 1.3373934226552984) internal successors, (1098), 821 states have internal predecessors, (1098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:43,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 1098 transitions. [2022-01-10 15:52:43,135 INFO L78 Accepts]: Start accepts. Automaton has 822 states and 1098 transitions. Word has length 183 [2022-01-10 15:52:43,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:43,135 INFO L470 AbstractCegarLoop]: Abstraction has 822 states and 1098 transitions. [2022-01-10 15:52:43,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:43,136 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1098 transitions. [2022-01-10 15:52:43,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-01-10 15:52:43,137 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:43,138 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:52:43,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-10 15:52:43,138 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:43,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:43,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1506024009, now seen corresponding path program 1 times [2022-01-10 15:52:43,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:43,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721592438] [2022-01-10 15:52:43,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:43,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:43,186 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2022-01-10 15:52:43,186 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:43,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721592438] [2022-01-10 15:52:43,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721592438] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:52:43,186 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:52:43,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:52:43,187 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336388660] [2022-01-10 15:52:43,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:52:43,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:52:43,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:43,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:52:43,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:43,188 INFO L87 Difference]: Start difference. First operand 822 states and 1098 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:43,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:43,326 INFO L93 Difference]: Finished difference Result 1795 states and 2466 transitions. [2022-01-10 15:52:43,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:52:43,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 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 190 [2022-01-10 15:52:43,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:43,330 INFO L225 Difference]: With dead ends: 1795 [2022-01-10 15:52:43,330 INFO L226 Difference]: Without dead ends: 981 [2022-01-10 15:52:43,332 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 [2022-01-10 15:52:43,333 INFO L933 BasicCegarLoop]: 206 mSDtfsCounter, 71 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 15:52:43,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 280 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 15:52:43,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2022-01-10 15:52:43,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 915. [2022-01-10 15:52:43,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 915 states, 914 states have (on average 1.3424507658643325) internal successors, (1227), 914 states have internal predecessors, (1227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:43,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1227 transitions. [2022-01-10 15:52:43,349 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1227 transitions. Word has length 190 [2022-01-10 15:52:43,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:43,349 INFO L470 AbstractCegarLoop]: Abstraction has 915 states and 1227 transitions. [2022-01-10 15:52:43,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:43,350 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1227 transitions. [2022-01-10 15:52:43,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-01-10 15:52:43,351 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:43,352 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:52:43,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-10 15:52:43,352 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:43,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:43,352 INFO L85 PathProgramCache]: Analyzing trace with hash -914050941, now seen corresponding path program 1 times [2022-01-10 15:52:43,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:43,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243667165] [2022-01-10 15:52:43,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:43,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:43,421 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2022-01-10 15:52:43,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:43,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243667165] [2022-01-10 15:52:43,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243667165] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:52:43,421 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:52:43,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:52:43,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816212351] [2022-01-10 15:52:43,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:52:43,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:52:43,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:43,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:52:43,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:43,422 INFO L87 Difference]: Start difference. First operand 915 states and 1227 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:43,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:43,552 INFO L93 Difference]: Finished difference Result 1992 states and 2735 transitions. [2022-01-10 15:52:43,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:52:43,553 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 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 196 [2022-01-10 15:52:43,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:43,556 INFO L225 Difference]: With dead ends: 1992 [2022-01-10 15:52:43,556 INFO L226 Difference]: Without dead ends: 1082 [2022-01-10 15:52:43,557 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 [2022-01-10 15:52:43,557 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 160 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 15:52:43,558 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [160 Valid, 156 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 15:52:43,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2022-01-10 15:52:43,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 1068. [2022-01-10 15:52:43,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1068 states, 1067 states have (on average 1.3776944704779757) internal successors, (1470), 1067 states have internal predecessors, (1470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:43,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1470 transitions. [2022-01-10 15:52:43,576 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1470 transitions. Word has length 196 [2022-01-10 15:52:43,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:43,576 INFO L470 AbstractCegarLoop]: Abstraction has 1068 states and 1470 transitions. [2022-01-10 15:52:43,576 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:43,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1470 transitions. [2022-01-10 15:52:43,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-01-10 15:52:43,578 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:43,578 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 4, 4, 3, 3, 3, 3, 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] [2022-01-10 15:52:43,578 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-10 15:52:43,579 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:43,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:43,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1560433245, now seen corresponding path program 1 times [2022-01-10 15:52:43,579 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:43,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880087539] [2022-01-10 15:52:43,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:43,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:43,639 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2022-01-10 15:52:43,639 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:43,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880087539] [2022-01-10 15:52:43,639 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880087539] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:52:43,639 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:52:43,639 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:52:43,639 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105652397] [2022-01-10 15:52:43,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:52:43,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:52:43,640 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:43,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:52:43,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:43,641 INFO L87 Difference]: Start difference. First operand 1068 states and 1470 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:43,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:43,742 INFO L93 Difference]: Finished difference Result 2233 states and 3066 transitions. [2022-01-10 15:52:43,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:52:43,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 216 [2022-01-10 15:52:43,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:43,747 INFO L225 Difference]: With dead ends: 2233 [2022-01-10 15:52:43,747 INFO L226 Difference]: Without dead ends: 1173 [2022-01-10 15:52:43,751 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 [2022-01-10 15:52:43,751 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 18 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 15:52:43,751 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 308 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 15:52:43,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2022-01-10 15:52:43,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 1149. [2022-01-10 15:52:43,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1149 states, 1148 states have (on average 1.3641114982578397) internal successors, (1566), 1148 states have internal predecessors, (1566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:43,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 1149 states and 1566 transitions. [2022-01-10 15:52:43,777 INFO L78 Accepts]: Start accepts. Automaton has 1149 states and 1566 transitions. Word has length 216 [2022-01-10 15:52:43,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:43,778 INFO L470 AbstractCegarLoop]: Abstraction has 1149 states and 1566 transitions. [2022-01-10 15:52:43,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:43,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 1566 transitions. [2022-01-10 15:52:43,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2022-01-10 15:52:43,781 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:43,781 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:52:43,782 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-10 15:52:43,782 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:43,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:43,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1848870773, now seen corresponding path program 1 times [2022-01-10 15:52:43,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:43,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174089636] [2022-01-10 15:52:43,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:43,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:43,851 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2022-01-10 15:52:43,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:43,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174089636] [2022-01-10 15:52:43,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174089636] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:52:43,852 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:52:43,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:52:43,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990704373] [2022-01-10 15:52:43,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:52:43,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:52:43,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:43,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:52:43,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:43,853 INFO L87 Difference]: Start difference. First operand 1149 states and 1566 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:44,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:44,010 INFO L93 Difference]: Finished difference Result 2419 states and 3351 transitions. [2022-01-10 15:52:44,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:52:44,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 218 [2022-01-10 15:52:44,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:44,015 INFO L225 Difference]: With dead ends: 2419 [2022-01-10 15:52:44,015 INFO L226 Difference]: Without dead ends: 1245 [2022-01-10 15:52:44,017 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 [2022-01-10 15:52:44,018 INFO L933 BasicCegarLoop]: 194 mSDtfsCounter, 48 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 15:52:44,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [48 Valid, 289 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 15:52:44,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2022-01-10 15:52:44,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 1242. [2022-01-10 15:52:44,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1242 states, 1241 states have (on average 1.3537469782433522) internal successors, (1680), 1241 states have internal predecessors, (1680), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:44,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 1242 states and 1680 transitions. [2022-01-10 15:52:44,043 INFO L78 Accepts]: Start accepts. Automaton has 1242 states and 1680 transitions. Word has length 218 [2022-01-10 15:52:44,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:44,043 INFO L470 AbstractCegarLoop]: Abstraction has 1242 states and 1680 transitions. [2022-01-10 15:52:44,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:44,044 INFO L276 IsEmpty]: Start isEmpty. Operand 1242 states and 1680 transitions. [2022-01-10 15:52:44,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-01-10 15:52:44,046 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:44,046 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:52:44,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-10 15:52:44,046 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:44,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:44,047 INFO L85 PathProgramCache]: Analyzing trace with hash -265142897, now seen corresponding path program 1 times [2022-01-10 15:52:44,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:44,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756353006] [2022-01-10 15:52:44,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:44,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:44,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:44,113 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 308 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2022-01-10 15:52:44,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:44,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [756353006] [2022-01-10 15:52:44,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [756353006] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:52:44,113 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:52:44,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:52:44,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525140105] [2022-01-10 15:52:44,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:52:44,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:52:44,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:44,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:52:44,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:44,115 INFO L87 Difference]: Start difference. First operand 1242 states and 1680 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:44,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:44,256 INFO L93 Difference]: Finished difference Result 2572 states and 3465 transitions. [2022-01-10 15:52:44,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:52:44,256 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 233 [2022-01-10 15:52:44,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:44,260 INFO L225 Difference]: With dead ends: 2572 [2022-01-10 15:52:44,260 INFO L226 Difference]: Without dead ends: 1338 [2022-01-10 15:52:44,262 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 [2022-01-10 15:52:44,263 INFO L933 BasicCegarLoop]: 144 mSDtfsCounter, 157 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 15:52:44,263 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [157 Valid, 167 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 15:52:44,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1338 states. [2022-01-10 15:52:44,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1338 to 1284. [2022-01-10 15:52:44,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1284 states, 1283 states have (on average 1.3491816056118473) internal successors, (1731), 1283 states have internal predecessors, (1731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:44,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1284 states and 1731 transitions. [2022-01-10 15:52:44,295 INFO L78 Accepts]: Start accepts. Automaton has 1284 states and 1731 transitions. Word has length 233 [2022-01-10 15:52:44,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:44,295 INFO L470 AbstractCegarLoop]: Abstraction has 1284 states and 1731 transitions. [2022-01-10 15:52:44,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:44,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1731 transitions. [2022-01-10 15:52:44,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-01-10 15:52:44,298 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:44,299 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:52:44,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-10 15:52:44,299 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:44,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:44,299 INFO L85 PathProgramCache]: Analyzing trace with hash -119453128, now seen corresponding path program 1 times [2022-01-10 15:52:44,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:44,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657720514] [2022-01-10 15:52:44,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:44,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:44,362 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-01-10 15:52:44,362 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:44,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657720514] [2022-01-10 15:52:44,363 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657720514] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:52:44,363 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:52:44,363 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:52:44,363 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928579120] [2022-01-10 15:52:44,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:52:44,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:52:44,364 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:44,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:52:44,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:44,364 INFO L87 Difference]: Start difference. First operand 1284 states and 1731 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:44,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:44,494 INFO L93 Difference]: Finished difference Result 2653 states and 3567 transitions. [2022-01-10 15:52:44,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:52:44,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 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 243 [2022-01-10 15:52:44,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:44,498 INFO L225 Difference]: With dead ends: 2653 [2022-01-10 15:52:44,498 INFO L226 Difference]: Without dead ends: 1377 [2022-01-10 15:52:44,500 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 [2022-01-10 15:52:44,500 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 10 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 15:52:44,501 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 308 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 15:52:44,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1377 states. [2022-01-10 15:52:44,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1377 to 1371. [2022-01-10 15:52:44,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1371 states, 1370 states have (on average 1.337956204379562) internal successors, (1833), 1370 states have internal predecessors, (1833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:44,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1371 states and 1833 transitions. [2022-01-10 15:52:44,534 INFO L78 Accepts]: Start accepts. Automaton has 1371 states and 1833 transitions. Word has length 243 [2022-01-10 15:52:44,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:44,534 INFO L470 AbstractCegarLoop]: Abstraction has 1371 states and 1833 transitions. [2022-01-10 15:52:44,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:44,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 1833 transitions. [2022-01-10 15:52:44,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-01-10 15:52:44,537 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:44,538 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 6, 6, 5, 5, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:52:44,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-10 15:52:44,538 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:44,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:44,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1823375712, now seen corresponding path program 1 times [2022-01-10 15:52:44,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:44,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76295103] [2022-01-10 15:52:44,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:44,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:44,620 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 425 proven. 16 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2022-01-10 15:52:44,620 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:44,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76295103] [2022-01-10 15:52:44,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76295103] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 15:52:44,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917729805] [2022-01-10 15:52:44,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:44,621 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 15:52:44,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 15:52:44,622 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) [2022-01-10 15:52:44,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-10 15:52:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:44,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 983 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 15:52:44,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 15:52:45,216 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2022-01-10 15:52:45,217 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 15:52:45,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1917729805] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:52:45,217 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-10 15:52:45,217 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-01-10 15:52:45,218 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86445093] [2022-01-10 15:52:45,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:52:45,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:52:45,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:45,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:52:45,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 15:52:45,220 INFO L87 Difference]: Start difference. First operand 1371 states and 1833 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) [2022-01-10 15:52:45,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:45,252 INFO L93 Difference]: Finished difference Result 2756 states and 3685 transitions. [2022-01-10 15:52:45,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:52:45,253 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 246 [2022-01-10 15:52:45,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:45,258 INFO L225 Difference]: With dead ends: 2756 [2022-01-10 15:52:45,258 INFO L226 Difference]: Without dead ends: 1824 [2022-01-10 15:52:45,260 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 15:52:45,261 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 136 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 363 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 [2022-01-10 15:52:45,261 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [136 Valid, 363 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 15:52:45,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1824 states. [2022-01-10 15:52:45,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1824 to 1824. [2022-01-10 15:52:45,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1824 states, 1823 states have (on average 1.3379045529347229) internal successors, (2439), 1823 states have internal predecessors, (2439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:45,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1824 states to 1824 states and 2439 transitions. [2022-01-10 15:52:45,296 INFO L78 Accepts]: Start accepts. Automaton has 1824 states and 2439 transitions. Word has length 246 [2022-01-10 15:52:45,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:45,296 INFO L470 AbstractCegarLoop]: Abstraction has 1824 states and 2439 transitions. [2022-01-10 15:52:45,296 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) [2022-01-10 15:52:45,296 INFO L276 IsEmpty]: Start isEmpty. Operand 1824 states and 2439 transitions. [2022-01-10 15:52:45,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-01-10 15:52:45,299 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:45,300 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-01-10 15:52:45,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-10 15:52:45,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-01-10 15:52:45,516 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:45,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:45,516 INFO L85 PathProgramCache]: Analyzing trace with hash -971368545, now seen corresponding path program 1 times [2022-01-10 15:52:45,516 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:45,516 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111352789] [2022-01-10 15:52:45,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:45,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:45,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:45,574 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-01-10 15:52:45,575 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:45,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111352789] [2022-01-10 15:52:45,575 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111352789] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 15:52:45,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595919053] [2022-01-10 15:52:45,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:45,575 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 15:52:45,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 15:52:45,576 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) [2022-01-10 15:52:45,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-10 15:52:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:45,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 15:52:45,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 15:52:46,008 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-01-10 15:52:46,009 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 15:52:46,259 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 430 proven. 16 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-01-10 15:52:46,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595919053] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 15:52:46,259 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 15:52:46,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2022-01-10 15:52:46,260 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647815116] [2022-01-10 15:52:46,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 15:52:46,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 15:52:46,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:46,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 15:52:46,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 15:52:46,261 INFO L87 Difference]: Start difference. First operand 1824 states and 2439 transitions. Second operand has 6 states, 6 states have (on average 34.333333333333336) internal successors, (206), 6 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:46,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:46,859 INFO L93 Difference]: Finished difference Result 7976 states and 10799 transitions. [2022-01-10 15:52:46,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-01-10 15:52:46,860 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 34.333333333333336) internal successors, (206), 6 states have internal predecessors, (206), 0 states have call successors, (0), 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 253 [2022-01-10 15:52:46,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:46,877 INFO L225 Difference]: With dead ends: 7976 [2022-01-10 15:52:46,878 INFO L226 Difference]: Without dead ends: 6160 [2022-01-10 15:52:46,880 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 516 GetRequests, 508 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-01-10 15:52:46,881 INFO L933 BasicCegarLoop]: 569 mSDtfsCounter, 554 mSDsluCounter, 913 mSDsCounter, 0 mSdLazyCounter, 856 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 1482 SdHoareTripleChecker+Invalid, 935 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 15:52:46,881 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [554 Valid, 1482 Invalid, 935 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 856 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 15:52:46,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6160 states. [2022-01-10 15:52:46,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6160 to 3792. [2022-01-10 15:52:46,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3792 states, 3791 states have (on average 1.339752044315484) internal successors, (5079), 3791 states have internal predecessors, (5079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:46,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3792 states to 3792 states and 5079 transitions. [2022-01-10 15:52:46,962 INFO L78 Accepts]: Start accepts. Automaton has 3792 states and 5079 transitions. Word has length 253 [2022-01-10 15:52:46,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:46,962 INFO L470 AbstractCegarLoop]: Abstraction has 3792 states and 5079 transitions. [2022-01-10 15:52:46,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.333333333333336) internal successors, (206), 6 states have internal predecessors, (206), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:46,962 INFO L276 IsEmpty]: Start isEmpty. Operand 3792 states and 5079 transitions. [2022-01-10 15:52:46,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-01-10 15:52:46,967 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:46,967 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-01-10 15:52:47,002 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-01-10 15:52:47,187 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,SelfDestructingSolverStorable15 [2022-01-10 15:52:47,187 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:47,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:47,188 INFO L85 PathProgramCache]: Analyzing trace with hash -826958850, now seen corresponding path program 1 times [2022-01-10 15:52:47,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:47,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437016494] [2022-01-10 15:52:47,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:47,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:47,224 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 400 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2022-01-10 15:52:47,224 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:47,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437016494] [2022-01-10 15:52:47,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437016494] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:52:47,224 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:52:47,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:52:47,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015484078] [2022-01-10 15:52:47,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:52:47,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:52:47,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:47,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:52:47,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:47,226 INFO L87 Difference]: Start difference. First operand 3792 states and 5079 transitions. Second operand has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:47,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:47,298 INFO L93 Difference]: Finished difference Result 10332 states and 13869 transitions. [2022-01-10 15:52:47,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:52:47,298 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 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 253 [2022-01-10 15:52:47,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:47,322 INFO L225 Difference]: With dead ends: 10332 [2022-01-10 15:52:47,322 INFO L226 Difference]: Without dead ends: 6548 [2022-01-10 15:52:47,328 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 [2022-01-10 15:52:47,329 INFO L933 BasicCegarLoop]: 367 mSDtfsCounter, 131 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 15:52:47,330 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 556 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 15:52:47,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6548 states. [2022-01-10 15:52:47,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6548 to 6546. [2022-01-10 15:52:47,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6546 states, 6545 states have (on average 1.3416348357524828) internal successors, (8781), 6545 states have internal predecessors, (8781), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:47,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6546 states to 6546 states and 8781 transitions. [2022-01-10 15:52:47,477 INFO L78 Accepts]: Start accepts. Automaton has 6546 states and 8781 transitions. Word has length 253 [2022-01-10 15:52:47,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:47,478 INFO L470 AbstractCegarLoop]: Abstraction has 6546 states and 8781 transitions. [2022-01-10 15:52:47,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.0) internal successors, (135), 3 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:47,478 INFO L276 IsEmpty]: Start isEmpty. Operand 6546 states and 8781 transitions. [2022-01-10 15:52:47,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-01-10 15:52:47,485 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:47,486 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-01-10 15:52:47,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-01-10 15:52:47,486 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:47,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:47,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1340478315, now seen corresponding path program 1 times [2022-01-10 15:52:47,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:47,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933751506] [2022-01-10 15:52:47,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:47,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:47,529 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 447 proven. 5 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-01-10 15:52:47,530 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:47,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933751506] [2022-01-10 15:52:47,530 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933751506] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 15:52:47,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992450757] [2022-01-10 15:52:47,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:47,530 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 15:52:47,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 15:52:47,531 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) [2022-01-10 15:52:47,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-10 15:52:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:47,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 1044 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 15:52:47,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 15:52:48,056 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 382 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2022-01-10 15:52:48,056 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 15:52:48,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992450757] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:52:48,056 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-10 15:52:48,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-01-10 15:52:48,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474759992] [2022-01-10 15:52:48,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:52:48,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:52:48,057 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:48,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:52:48,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-10 15:52:48,058 INFO L87 Difference]: Start difference. First operand 6546 states and 8781 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:48,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:48,290 INFO L93 Difference]: Finished difference Result 12860 states and 17374 transitions. [2022-01-10 15:52:48,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:52:48,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 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 266 [2022-01-10 15:52:48,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:48,306 INFO L225 Difference]: With dead ends: 12860 [2022-01-10 15:52:48,306 INFO L226 Difference]: Without dead ends: 6138 [2022-01-10 15:52:48,313 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-10 15:52:48,313 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 67 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 15:52:48,314 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [67 Valid, 249 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 15:52:48,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6138 states. [2022-01-10 15:52:48,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6138 to 5886. [2022-01-10 15:52:48,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5886 states, 5885 states have (on average 1.314018691588785) internal successors, (7733), 5885 states have internal predecessors, (7733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:48,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5886 states to 5886 states and 7733 transitions. [2022-01-10 15:52:48,421 INFO L78 Accepts]: Start accepts. Automaton has 5886 states and 7733 transitions. Word has length 266 [2022-01-10 15:52:48,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:48,421 INFO L470 AbstractCegarLoop]: Abstraction has 5886 states and 7733 transitions. [2022-01-10 15:52:48,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:48,422 INFO L276 IsEmpty]: Start isEmpty. Operand 5886 states and 7733 transitions. [2022-01-10 15:52:48,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-01-10 15:52:48,429 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:48,429 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-01-10 15:52:48,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-10 15:52:48,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-01-10 15:52:48,642 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:48,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:48,642 INFO L85 PathProgramCache]: Analyzing trace with hash 825594243, now seen corresponding path program 1 times [2022-01-10 15:52:48,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:48,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996997449] [2022-01-10 15:52:48,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:48,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:48,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:48,688 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 518 proven. 5 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-01-10 15:52:48,688 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:48,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996997449] [2022-01-10 15:52:48,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996997449] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 15:52:48,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273229141] [2022-01-10 15:52:48,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:48,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 15:52:48,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 15:52:48,689 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) [2022-01-10 15:52:48,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-10 15:52:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:48,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 1114 conjuncts, 2 conjunts are in the unsatisfiable core [2022-01-10 15:52:48,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 15:52:49,140 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 460 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2022-01-10 15:52:49,140 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 15:52:49,140 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273229141] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:52:49,140 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-10 15:52:49,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-01-10 15:52:49,141 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372891015] [2022-01-10 15:52:49,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:52:49,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:52:49,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:49,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:52:49,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 15:52:49,143 INFO L87 Difference]: Start difference. First operand 5886 states and 7733 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:49,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:49,308 INFO L93 Difference]: Finished difference Result 12400 states and 16270 transitions. [2022-01-10 15:52:49,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:52:49,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 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 282 [2022-01-10 15:52:49,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:49,324 INFO L225 Difference]: With dead ends: 12400 [2022-01-10 15:52:49,324 INFO L226 Difference]: Without dead ends: 6202 [2022-01-10 15:52:49,332 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 15:52:49,333 INFO L933 BasicCegarLoop]: 205 mSDtfsCounter, 105 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 15:52:49,333 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 247 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 15:52:49,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6202 states. [2022-01-10 15:52:49,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6202 to 6006. [2022-01-10 15:52:49,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6006 states, 6005 states have (on average 1.3144046627810158) internal successors, (7893), 6005 states have internal predecessors, (7893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:49,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6006 states to 6006 states and 7893 transitions. [2022-01-10 15:52:49,438 INFO L78 Accepts]: Start accepts. Automaton has 6006 states and 7893 transitions. Word has length 282 [2022-01-10 15:52:49,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:49,439 INFO L470 AbstractCegarLoop]: Abstraction has 6006 states and 7893 transitions. [2022-01-10 15:52:49,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:49,439 INFO L276 IsEmpty]: Start isEmpty. Operand 6006 states and 7893 transitions. [2022-01-10 15:52:49,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-01-10 15:52:49,446 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:49,447 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-01-10 15:52:49,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-10 15:52:49,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 15:52:49,664 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:49,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:49,664 INFO L85 PathProgramCache]: Analyzing trace with hash 628482673, now seen corresponding path program 1 times [2022-01-10 15:52:49,664 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:49,664 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72562652] [2022-01-10 15:52:49,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:49,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:49,720 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 518 proven. 5 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-01-10 15:52:49,720 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:49,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72562652] [2022-01-10 15:52:49,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [72562652] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 15:52:49,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469698013] [2022-01-10 15:52:49,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:49,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 15:52:49,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 15:52:49,732 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) [2022-01-10 15:52:49,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-10 15:52:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:49,886 INFO L263 TraceCheckSpWp]: Trace formula consists of 1116 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 15:52:49,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 15:52:50,150 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 421 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2022-01-10 15:52:50,150 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 15:52:50,150 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469698013] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:52:50,150 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-10 15:52:50,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-01-10 15:52:50,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657461934] [2022-01-10 15:52:50,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:52:50,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:52:50,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:50,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:52:50,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 15:52:50,152 INFO L87 Difference]: Start difference. First operand 6006 states and 7893 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) [2022-01-10 15:52:50,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:50,279 INFO L93 Difference]: Finished difference Result 12184 states and 16014 transitions. [2022-01-10 15:52:50,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:52:50,280 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 283 [2022-01-10 15:52:50,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:50,290 INFO L225 Difference]: With dead ends: 12184 [2022-01-10 15:52:50,290 INFO L226 Difference]: Without dead ends: 6186 [2022-01-10 15:52:50,296 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 15:52:50,297 INFO L933 BasicCegarLoop]: 195 mSDtfsCounter, 4 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 15:52:50,297 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 295 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 15:52:50,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6186 states. [2022-01-10 15:52:50,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6186 to 6066. [2022-01-10 15:52:50,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6066 states, 6065 states have (on average 1.3139323990107172) internal successors, (7969), 6065 states have internal predecessors, (7969), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:50,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6066 states to 6066 states and 7969 transitions. [2022-01-10 15:52:50,420 INFO L78 Accepts]: Start accepts. Automaton has 6066 states and 7969 transitions. Word has length 283 [2022-01-10 15:52:50,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:50,421 INFO L470 AbstractCegarLoop]: Abstraction has 6066 states and 7969 transitions. [2022-01-10 15:52:50,421 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) [2022-01-10 15:52:50,421 INFO L276 IsEmpty]: Start isEmpty. Operand 6066 states and 7969 transitions. [2022-01-10 15:52:50,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-01-10 15:52:50,427 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:50,427 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-01-10 15:52:50,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-01-10 15:52:50,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 15:52:50,643 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:50,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:50,644 INFO L85 PathProgramCache]: Analyzing trace with hash -2028639599, now seen corresponding path program 1 times [2022-01-10 15:52:50,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:50,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495779382] [2022-01-10 15:52:50,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:50,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:50,700 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 526 proven. 6 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-01-10 15:52:50,700 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:50,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495779382] [2022-01-10 15:52:50,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495779382] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 15:52:50,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825484490] [2022-01-10 15:52:50,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:50,701 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 15:52:50,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 15:52:50,706 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) [2022-01-10 15:52:50,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-10 15:52:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:50,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 1115 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 15:52:50,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 15:52:51,184 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 526 proven. 6 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-01-10 15:52:51,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 15:52:51,506 INFO L134 CoverageAnalysis]: Checked inductivity of 738 backedges. 526 proven. 6 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2022-01-10 15:52:51,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825484490] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 15:52:51,506 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 15:52:51,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2022-01-10 15:52:51,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348323739] [2022-01-10 15:52:51,507 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 15:52:51,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 15:52:51,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:51,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 15:52:51,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 15:52:51,508 INFO L87 Difference]: Start difference. First operand 6066 states and 7969 transitions. Second operand has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:51,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:51,877 INFO L93 Difference]: Finished difference Result 12987 states and 17005 transitions. [2022-01-10 15:52:51,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-10 15:52:51,877 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 0 states have call successors, (0), 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 283 [2022-01-10 15:52:51,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:51,888 INFO L225 Difference]: With dead ends: 12987 [2022-01-10 15:52:51,888 INFO L226 Difference]: Without dead ends: 6829 [2022-01-10 15:52:51,894 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 566 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-01-10 15:52:51,895 INFO L933 BasicCegarLoop]: 273 mSDtfsCounter, 535 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 15:52:51,895 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [535 Valid, 527 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 15:52:51,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6829 states. [2022-01-10 15:52:51,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6829 to 5903. [2022-01-10 15:52:51,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5903 states, 5902 states have (on average 1.2821077600813284) internal successors, (7567), 5902 states have internal predecessors, (7567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:51,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5903 states to 5903 states and 7567 transitions. [2022-01-10 15:52:51,992 INFO L78 Accepts]: Start accepts. Automaton has 5903 states and 7567 transitions. Word has length 283 [2022-01-10 15:52:51,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:51,994 INFO L470 AbstractCegarLoop]: Abstraction has 5903 states and 7567 transitions. [2022-01-10 15:52:51,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 33.166666666666664) internal successors, (199), 6 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:51,994 INFO L276 IsEmpty]: Start isEmpty. Operand 5903 states and 7567 transitions. [2022-01-10 15:52:52,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2022-01-10 15:52:52,000 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:52,001 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 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, 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] [2022-01-10 15:52:52,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-01-10 15:52:52,211 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 15:52:52,212 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:52,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:52,212 INFO L85 PathProgramCache]: Analyzing trace with hash -225925368, now seen corresponding path program 1 times [2022-01-10 15:52:52,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:52,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211156098] [2022-01-10 15:52:52,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:52,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:52,282 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 564 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2022-01-10 15:52:52,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:52,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211156098] [2022-01-10 15:52:52,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211156098] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:52:52,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:52:52,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:52:52,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216425721] [2022-01-10 15:52:52,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:52:52,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:52:52,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:52,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:52:52,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:52,284 INFO L87 Difference]: Start difference. First operand 5903 states and 7567 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:52,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:52,404 INFO L93 Difference]: Finished difference Result 9774 states and 12389 transitions. [2022-01-10 15:52:52,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:52:52,405 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 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 321 [2022-01-10 15:52:52,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:52,409 INFO L225 Difference]: With dead ends: 9774 [2022-01-10 15:52:52,409 INFO L226 Difference]: Without dead ends: 2721 [2022-01-10 15:52:52,415 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 [2022-01-10 15:52:52,416 INFO L933 BasicCegarLoop]: 207 mSDtfsCounter, 28 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 15:52:52,417 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 308 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 15:52:52,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2721 states. [2022-01-10 15:52:52,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2721 to 2496. [2022-01-10 15:52:52,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2496 states, 2495 states have (on average 1.2789579158316633) internal successors, (3191), 2495 states have internal predecessors, (3191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:52,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 3191 transitions. [2022-01-10 15:52:52,493 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 3191 transitions. Word has length 321 [2022-01-10 15:52:52,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:52,494 INFO L470 AbstractCegarLoop]: Abstraction has 2496 states and 3191 transitions. [2022-01-10 15:52:52,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:52,494 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 3191 transitions. [2022-01-10 15:52:52,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2022-01-10 15:52:52,497 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:52,497 INFO L514 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 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, 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] [2022-01-10 15:52:52,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-01-10 15:52:52,497 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:52,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:52,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1916185372, now seen corresponding path program 1 times [2022-01-10 15:52:52,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:52,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993806743] [2022-01-10 15:52:52,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:52,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:52,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 1011 proven. 26 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2022-01-10 15:52:52,558 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:52,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993806743] [2022-01-10 15:52:52,558 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993806743] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 15:52:52,559 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2007019442] [2022-01-10 15:52:52,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:52,559 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 15:52:52,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 15:52:52,560 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) [2022-01-10 15:52:52,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-01-10 15:52:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:52,749 INFO L263 TraceCheckSpWp]: Trace formula consists of 1483 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 15:52:52,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 15:52:53,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1588 backedges. 773 proven. 0 refuted. 0 times theorem prover too weak. 815 trivial. 0 not checked. [2022-01-10 15:52:53,806 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-10 15:52:53,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2007019442] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:52:53,806 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-01-10 15:52:53,806 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-01-10 15:52:53,806 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952011589] [2022-01-10 15:52:53,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:52:53,807 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:52:53,807 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:53,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:52:53,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 15:52:53,807 INFO L87 Difference]: Start difference. First operand 2496 states and 3191 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:53,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:53,857 INFO L93 Difference]: Finished difference Result 2994 states and 3827 transitions. [2022-01-10 15:52:53,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:52:53,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 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 393 [2022-01-10 15:52:53,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:53,862 INFO L225 Difference]: With dead ends: 2994 [2022-01-10 15:52:53,862 INFO L226 Difference]: Without dead ends: 2902 [2022-01-10 15:52:53,862 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-10 15:52:53,863 INFO L933 BasicCegarLoop]: 350 mSDtfsCounter, 89 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 529 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 15:52:53,863 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [89 Valid, 529 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 15:52:53,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2902 states. [2022-01-10 15:52:53,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2902 to 2406. [2022-01-10 15:52:53,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2406 states, 2405 states have (on average 1.2848232848232848) internal successors, (3090), 2405 states have internal predecessors, (3090), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:53,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2406 states to 2406 states and 3090 transitions. [2022-01-10 15:52:53,903 INFO L78 Accepts]: Start accepts. Automaton has 2406 states and 3090 transitions. Word has length 393 [2022-01-10 15:52:53,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:53,904 INFO L470 AbstractCegarLoop]: Abstraction has 2406 states and 3090 transitions. [2022-01-10 15:52:53,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:53,904 INFO L276 IsEmpty]: Start isEmpty. Operand 2406 states and 3090 transitions. [2022-01-10 15:52:53,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2022-01-10 15:52:53,910 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:53,910 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 17, 17, 17, 17, 17, 15, 15, 13, 13, 11, 11, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-01-10 15:52:53,928 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-01-10 15:52:54,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 15:52:54,128 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:54,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:54,128 INFO L85 PathProgramCache]: Analyzing trace with hash -207903558, now seen corresponding path program 1 times [2022-01-10 15:52:54,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:54,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653834610] [2022-01-10 15:52:54,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:54,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:54,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:54,236 INFO L134 CoverageAnalysis]: Checked inductivity of 3139 backedges. 1686 proven. 26 refuted. 0 times theorem prover too weak. 1427 trivial. 0 not checked. [2022-01-10 15:52:54,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:54,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653834610] [2022-01-10 15:52:54,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653834610] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 15:52:54,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097161451] [2022-01-10 15:52:54,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:54,237 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 15:52:54,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 15:52:54,238 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) [2022-01-10 15:52:54,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-01-10 15:52:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:54,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 1988 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 15:52:54,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 15:52:55,013 INFO L134 CoverageAnalysis]: Checked inductivity of 3139 backedges. 1686 proven. 26 refuted. 0 times theorem prover too weak. 1427 trivial. 0 not checked. [2022-01-10 15:52:55,013 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 15:52:55,626 INFO L134 CoverageAnalysis]: Checked inductivity of 3139 backedges. 1686 proven. 26 refuted. 0 times theorem prover too weak. 1427 trivial. 0 not checked. [2022-01-10 15:52:55,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097161451] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 15:52:55,626 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 15:52:55,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2022-01-10 15:52:55,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648141395] [2022-01-10 15:52:55,627 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 15:52:55,627 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 15:52:55,627 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:55,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 15:52:55,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 15:52:55,629 INFO L87 Difference]: Start difference. First operand 2406 states and 3090 transitions. Second operand has 6 states, 6 states have (on average 43.666666666666664) internal successors, (262), 6 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:55,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:55,942 INFO L93 Difference]: Finished difference Result 5184 states and 6630 transitions. [2022-01-10 15:52:55,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 15:52:55,942 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 43.666666666666664) internal successors, (262), 6 states have internal predecessors, (262), 0 states have call successors, (0), 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 [2022-01-10 15:52:55,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:55,946 INFO L225 Difference]: With dead ends: 5184 [2022-01-10 15:52:55,947 INFO L226 Difference]: Without dead ends: 2907 [2022-01-10 15:52:55,949 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1072 GetRequests, 1066 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-01-10 15:52:55,952 INFO L933 BasicCegarLoop]: 269 mSDtfsCounter, 292 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 15:52:55,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [292 Valid, 720 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 15:52:55,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2907 states. [2022-01-10 15:52:55,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2907 to 2434. [2022-01-10 15:52:55,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2434 states, 2433 states have (on average 1.286477599671188) internal successors, (3130), 2433 states have internal predecessors, (3130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:55,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 2434 states and 3130 transitions. [2022-01-10 15:52:55,994 INFO L78 Accepts]: Start accepts. Automaton has 2434 states and 3130 transitions. Word has length 533 [2022-01-10 15:52:55,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:55,994 INFO L470 AbstractCegarLoop]: Abstraction has 2434 states and 3130 transitions. [2022-01-10 15:52:55,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 43.666666666666664) internal successors, (262), 6 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:55,995 INFO L276 IsEmpty]: Start isEmpty. Operand 2434 states and 3130 transitions. [2022-01-10 15:52:55,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2022-01-10 15:52:55,999 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:55,999 INFO L514 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 21, 21, 21, 21, 21, 19, 19, 17, 17, 15, 15, 13, 13, 13, 13, 10, 8, 8, 8, 8, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-01-10 15:52:56,019 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-01-10 15:52:56,217 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,SelfDestructingSolverStorable23 [2022-01-10 15:52:56,217 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:56,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:56,218 INFO L85 PathProgramCache]: Analyzing trace with hash 876894448, now seen corresponding path program 1 times [2022-01-10 15:52:56,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:56,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888100237] [2022-01-10 15:52:56,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:56,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:56,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4971 backedges. 2404 proven. 0 refuted. 0 times theorem prover too weak. 2567 trivial. 0 not checked. [2022-01-10 15:52:56,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:56,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888100237] [2022-01-10 15:52:56,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888100237] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 15:52:56,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 15:52:56,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 15:52:56,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517346363] [2022-01-10 15:52:56,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 15:52:56,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 15:52:56,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:56,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 15:52:56,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:56,309 INFO L87 Difference]: Start difference. First operand 2434 states and 3130 transitions. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:56,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:56,432 INFO L93 Difference]: Finished difference Result 5184 states and 6680 transitions. [2022-01-10 15:52:56,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 15:52:56,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 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 661 [2022-01-10 15:52:56,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:56,437 INFO L225 Difference]: With dead ends: 5184 [2022-01-10 15:52:56,437 INFO L226 Difference]: Without dead ends: 2758 [2022-01-10 15:52:56,438 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 15:52:56,439 INFO L933 BasicCegarLoop]: 202 mSDtfsCounter, 10 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-10 15:52:56,439 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 302 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-10 15:52:56,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2758 states. [2022-01-10 15:52:56,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2758 to 2740. [2022-01-10 15:52:56,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2740 states, 2739 states have (on average 1.2709017889740781) internal successors, (3481), 2739 states have internal predecessors, (3481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:56,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2740 states to 2740 states and 3481 transitions. [2022-01-10 15:52:56,487 INFO L78 Accepts]: Start accepts. Automaton has 2740 states and 3481 transitions. Word has length 661 [2022-01-10 15:52:56,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:56,487 INFO L470 AbstractCegarLoop]: Abstraction has 2740 states and 3481 transitions. [2022-01-10 15:52:56,488 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 3 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:56,488 INFO L276 IsEmpty]: Start isEmpty. Operand 2740 states and 3481 transitions. [2022-01-10 15:52:56,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 724 [2022-01-10 15:52:56,493 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 15:52:56,493 INFO L514 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 23, 23, 23, 23, 23, 21, 21, 19, 19, 17, 17, 15, 15, 15, 15, 12, 10, 10, 8, 8, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-01-10 15:52:56,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-01-10 15:52:56,494 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 15:52:56,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 15:52:56,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1372519892, now seen corresponding path program 1 times [2022-01-10 15:52:56,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 15:52:56,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378966329] [2022-01-10 15:52:56,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:56,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 15:52:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:56,619 INFO L134 CoverageAnalysis]: Checked inductivity of 6056 backedges. 3605 proven. 16 refuted. 0 times theorem prover too weak. 2435 trivial. 0 not checked. [2022-01-10 15:52:56,619 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 15:52:56,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378966329] [2022-01-10 15:52:56,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378966329] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-10 15:52:56,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582784429] [2022-01-10 15:52:56,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 15:52:56,619 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-10 15:52:56,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 15:52:56,620 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-10 15:52:56,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-01-10 15:52:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 15:52:56,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 2654 conjuncts, 3 conjunts are in the unsatisfiable core [2022-01-10 15:52:56,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-10 15:52:57,562 INFO L134 CoverageAnalysis]: Checked inductivity of 6056 backedges. 3605 proven. 16 refuted. 0 times theorem prover too weak. 2435 trivial. 0 not checked. [2022-01-10 15:52:57,562 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-10 15:52:58,296 INFO L134 CoverageAnalysis]: Checked inductivity of 6056 backedges. 3605 proven. 16 refuted. 0 times theorem prover too weak. 2435 trivial. 0 not checked. [2022-01-10 15:52:58,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582784429] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-10 15:52:58,296 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-10 15:52:58,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2022-01-10 15:52:58,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862915690] [2022-01-10 15:52:58,296 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-10 15:52:58,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-01-10 15:52:58,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 15:52:58,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-01-10 15:52:58,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-10 15:52:58,298 INFO L87 Difference]: Start difference. First operand 2740 states and 3481 transitions. Second operand has 6 states, 6 states have (on average 46.666666666666664) internal successors, (280), 6 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:58,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 15:52:58,576 INFO L93 Difference]: Finished difference Result 4297 states and 5465 transitions. [2022-01-10 15:52:58,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-10 15:52:58,577 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 46.666666666666664) internal successors, (280), 6 states have internal predecessors, (280), 0 states have call successors, (0), 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 723 [2022-01-10 15:52:58,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 15:52:58,577 INFO L225 Difference]: With dead ends: 4297 [2022-01-10 15:52:58,577 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 15:52:58,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1454 GetRequests, 1447 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-01-10 15:52:58,580 INFO L933 BasicCegarLoop]: 269 mSDtfsCounter, 193 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-01-10 15:52:58,581 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [193 Valid, 726 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-01-10 15:52:58,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 15:52:58,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 15:52:58,581 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) [2022-01-10 15:52:58,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 15:52:58,581 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 723 [2022-01-10 15:52:58,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 15:52:58,581 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 15:52:58,581 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 46.666666666666664) internal successors, (280), 6 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 15:52:58,582 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 15:52:58,582 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 15:52:58,583 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 15:52:58,606 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-01-10 15:52:58,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-01-10 15:52:58,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 15:53:03,885 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 15:53:03,885 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 15:53:03,885 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed. [2022-01-10 15:53:03,885 INFO L858 garLoopResultBuilder]: For program point L96-2(lines 93 99) no Hoare annotation was computed. [2022-01-10 15:53:03,886 INFO L858 garLoopResultBuilder]: For program point L96(lines 96 98) no Hoare annotation was computed. [2022-01-10 15:53:03,886 INFO L858 garLoopResultBuilder]: For program point L101(lines 101 105) no Hoare annotation was computed. [2022-01-10 15:53:03,886 INFO L858 garLoopResultBuilder]: For program point L102(lines 102 104) no Hoare annotation was computed. [2022-01-10 15:53:03,886 INFO L858 garLoopResultBuilder]: For program point L101-1(lines 83 621) no Hoare annotation was computed. [2022-01-10 15:53:03,886 INFO L861 garLoopResultBuilder]: At program point L620(lines 22 622) the Hoare annotation is: true [2022-01-10 15:53:03,886 INFO L854 garLoopResultBuilder]: At program point L110-2(lines 110 609) the Hoare annotation is: (let ((.cse5 (< 8496 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int|)) (.cse15 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8672)) (.cse8 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3)) (.cse16 (<= 8672 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (.cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8576)) (.cse11 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8640)) (.cse13 (<= 8640 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (.cse14 (= 8496 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (.cse12 (<= 8640 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int|)) (.cse7 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8640)) (.cse9 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8448)) (.cse6 (<= 8448 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (.cse10 (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|))) (.cse2 (= 8656 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (.cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)) (.cse3 (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (.cse4 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int| 0))) (or (and .cse0 .cse1 .cse2) (and .cse1 .cse3 .cse4 (= 8544 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (and .cse5 (<= 8544 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|) .cse0 .cse1 .cse3 .cse4 (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8640)) (and .cse5 .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8480) .cse1 .cse3 .cse4 .cse6) (and .cse7 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 3)) (and .cse3 .cse8 .cse9 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 3) .cse4 .cse6) (and .cse1 .cse3 .cse4 (= 8528 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (and .cse10 .cse11 .cse12 .cse7 .cse13) (and .cse5 (< 8496 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|) .cse0 .cse1 .cse3 .cse4 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8576)) (and .cse10 .cse8 .cse7 .cse2) (and .cse0 .cse1 .cse3 .cse14 .cse4) (and (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8496) .cse1 .cse3 .cse4 (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8496)) (and .cse15 .cse0 .cse8 .cse16) (and .cse10 .cse15 .cse8 .cse16) (and .cse1 .cse3 .cse4 (= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8512)) (and .cse0 .cse11 .cse1 .cse3 .cse13 .cse4) (and (= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 1) .cse14) (and .cse10 .cse12 .cse7 .cse9 .cse6) (and .cse10 .cse1 .cse2) (and (= 8560 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|) .cse1 .cse3 .cse4) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0))) [2022-01-10 15:53:03,886 INFO L861 garLoopResultBuilder]: At program point L632(lines 623 634) the Hoare annotation is: true [2022-01-10 15:53:03,886 INFO L861 garLoopResultBuilder]: At program point L610(lines 109 611) the Hoare annotation is: true [2022-01-10 15:53:03,886 INFO L858 garLoopResultBuilder]: For program point L111(line 111) no Hoare annotation was computed. [2022-01-10 15:53:03,886 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 15:53:03,886 INFO L858 garLoopResultBuilder]: For program point L615(lines 615 617) no Hoare annotation was computed. [2022-01-10 15:53:03,886 INFO L858 garLoopResultBuilder]: For program point L113(lines 113 590) no Hoare annotation was computed. [2022-01-10 15:53:03,886 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 15:53:03,886 INFO L858 garLoopResultBuilder]: For program point L615-2(lines 615 617) no Hoare annotation was computed. [2022-01-10 15:53:03,886 INFO L854 garLoopResultBuilder]: At program point L114(lines 113 590) the Hoare annotation is: (and (= 12292 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)) [2022-01-10 15:53:03,887 INFO L858 garLoopResultBuilder]: For program point L116(lines 116 589) no Hoare annotation was computed. [2022-01-10 15:53:03,887 INFO L854 garLoopResultBuilder]: At program point L222(lines 116 589) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8448)) (.cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0))) (or (and (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8496) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int| 0)) (and (<= 8640 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|) .cse1) (and .cse0 .cse1))) [2022-01-10 15:53:03,887 INFO L858 garLoopResultBuilder]: For program point L119(lines 119 588) no Hoare annotation was computed. [2022-01-10 15:53:03,887 INFO L858 garLoopResultBuilder]: For program point L227(lines 227 229) no Hoare annotation was computed. [2022-01-10 15:53:03,887 INFO L858 garLoopResultBuilder]: For program point L122(lines 122 587) no Hoare annotation was computed. [2022-01-10 15:53:03,887 INFO L858 garLoopResultBuilder]: For program point L227-2(lines 227 229) no Hoare annotation was computed. [2022-01-10 15:53:03,887 INFO L858 garLoopResultBuilder]: For program point L125(lines 125 586) no Hoare annotation was computed. [2022-01-10 15:53:03,887 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 234) no Hoare annotation was computed. [2022-01-10 15:53:03,887 INFO L858 garLoopResultBuilder]: For program point L128(lines 128 585) no Hoare annotation was computed. [2022-01-10 15:53:03,887 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 248) no Hoare annotation was computed. [2022-01-10 15:53:03,887 INFO L854 garLoopResultBuilder]: At program point L132(lines 128 585) the Hoare annotation is: (let ((.cse0 (<= 8480 |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 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int| 0) (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8496)) (and .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0) (not (<= 8496 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|))))) [2022-01-10 15:53:03,887 INFO L858 garLoopResultBuilder]: For program point L131(lines 131 584) no Hoare annotation was computed. [2022-01-10 15:53:03,887 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 242) no Hoare annotation was computed. [2022-01-10 15:53:03,887 INFO L858 garLoopResultBuilder]: For program point L237-2(lines 219 553) no Hoare annotation was computed. [2022-01-10 15:53:03,887 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 272) no Hoare annotation was computed. [2022-01-10 15:53:03,887 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 583) no Hoare annotation was computed. [2022-01-10 15:53:03,887 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 246) no Hoare annotation was computed. [2022-01-10 15:53:03,887 INFO L858 garLoopResultBuilder]: For program point L254(lines 254 264) no Hoare annotation was computed. [2022-01-10 15:53:03,888 INFO L854 garLoopResultBuilder]: At program point L554(lines 110 609) the Hoare annotation is: (let ((.cse5 (< 8496 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int|)) (.cse15 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8672)) (.cse8 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3)) (.cse16 (<= 8672 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (.cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8576)) (.cse11 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8640)) (.cse13 (<= 8640 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (.cse14 (= 8496 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (.cse12 (<= 8640 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int|)) (.cse7 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8640)) (.cse9 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8448)) (.cse6 (<= 8448 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (.cse10 (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|))) (.cse2 (= 8656 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (.cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)) (.cse3 (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (.cse4 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int| 0))) (or (and .cse0 .cse1 .cse2) (and .cse1 .cse3 .cse4 (= 8544 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (and .cse5 (<= 8544 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|) .cse0 .cse1 .cse3 .cse4 (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8640)) (and .cse5 .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8480) .cse1 .cse3 .cse4 .cse6) (and .cse7 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 3)) (and .cse3 .cse8 .cse9 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 3) .cse4 .cse6) (and .cse1 .cse3 .cse4 (= 8528 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (and .cse10 .cse11 .cse12 .cse7 .cse13) (and .cse5 (< 8496 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|) .cse0 .cse1 .cse3 .cse4 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8576)) (and .cse10 .cse8 .cse7 .cse2) (and .cse0 .cse1 .cse3 .cse14 .cse4) (and (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8496) .cse1 .cse3 .cse4 (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8496)) (and .cse15 .cse0 .cse8 .cse16) (and .cse10 .cse15 .cse8 .cse16) (and .cse1 .cse3 .cse4 (= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8512)) (and .cse0 .cse11 .cse1 .cse3 .cse13 .cse4) (and (= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 1) .cse14) (and .cse10 .cse12 .cse7 .cse9 .cse6) (and .cse10 .cse1 .cse2) (and (= 8560 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|) .cse1 .cse3 .cse4) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0))) [2022-01-10 15:53:03,888 INFO L854 garLoopResultBuilder]: At program point L135(lines 134 583) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8640)) (.cse1 (<= 8480 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8640)) (and .cse0 .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)))) [2022-01-10 15:53:03,888 INFO L858 garLoopResultBuilder]: For program point L137(lines 137 582) no Hoare annotation was computed. [2022-01-10 15:53:03,888 INFO L858 garLoopResultBuilder]: For program point L255(lines 255 258) no Hoare annotation was computed. [2022-01-10 15:53:03,888 INFO L858 garLoopResultBuilder]: For program point L592(lines 592 606) no Hoare annotation was computed. [2022-01-10 15:53:03,888 INFO L858 garLoopResultBuilder]: For program point L591(lines 591 607) no Hoare annotation was computed. [2022-01-10 15:53:03,888 INFO L854 garLoopResultBuilder]: At program point L144(lines 137 582) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8480)) (.cse1 (<= 8448 |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 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int| 0) .cse1) (and .cse0 .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)))) [2022-01-10 15:53:03,888 INFO L858 garLoopResultBuilder]: For program point L140(lines 140 581) no Hoare annotation was computed. [2022-01-10 15:53:03,888 INFO L858 garLoopResultBuilder]: For program point L593(lines 593 598) no Hoare annotation was computed. [2022-01-10 15:53:03,889 INFO L858 garLoopResultBuilder]: For program point L285(lines 285 287) no Hoare annotation was computed. [2022-01-10 15:53:03,889 INFO L858 garLoopResultBuilder]: For program point L143(lines 143 580) no Hoare annotation was computed. [2022-01-10 15:53:03,889 INFO L858 garLoopResultBuilder]: For program point L595(lines 595 597) no Hoare annotation was computed. [2022-01-10 15:53:03,889 INFO L858 garLoopResultBuilder]: For program point L593-2(lines 592 606) no Hoare annotation was computed. [2022-01-10 15:53:03,889 INFO L858 garLoopResultBuilder]: For program point L285-2(lines 219 553) no Hoare annotation was computed. [2022-01-10 15:53:03,889 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 579) no Hoare annotation was computed. [2022-01-10 15:53:03,889 INFO L858 garLoopResultBuilder]: For program point L600(lines 600 604) no Hoare annotation was computed. [2022-01-10 15:53:03,889 INFO L854 garLoopResultBuilder]: At program point L150(lines 146 579) the Hoare annotation is: (let ((.cse0 (<= 8480 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (.cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8576))) (or (and (= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 1) .cse0 .cse1) (and (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8576) .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int| 0) .cse1) (and .cse0 .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)))) [2022-01-10 15:53:03,889 INFO L858 garLoopResultBuilder]: For program point L149(lines 149 578) no Hoare annotation was computed. [2022-01-10 15:53:03,889 INFO L858 garLoopResultBuilder]: For program point L298(lines 298 304) no Hoare annotation was computed. [2022-01-10 15:53:03,889 INFO L858 garLoopResultBuilder]: For program point L152(lines 152 577) no Hoare annotation was computed. [2022-01-10 15:53:03,889 INFO L858 garLoopResultBuilder]: For program point L301-2(lines 219 553) no Hoare annotation was computed. [2022-01-10 15:53:03,889 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 303) no Hoare annotation was computed. [2022-01-10 15:53:03,889 INFO L854 garLoopResultBuilder]: At program point L156(lines 152 577) the Hoare annotation is: (let ((.cse0 (< 8496 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (.cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8576))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)) (and .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int| 0) .cse1))) [2022-01-10 15:53:03,889 INFO L858 garLoopResultBuilder]: For program point L155(lines 155 576) no Hoare annotation was computed. [2022-01-10 15:53:03,889 INFO L858 garLoopResultBuilder]: For program point L308(lines 308 312) no Hoare annotation was computed. [2022-01-10 15:53:03,889 INFO L858 garLoopResultBuilder]: For program point L319(lines 319 326) no Hoare annotation was computed. [2022-01-10 15:53:03,889 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 575) no Hoare annotation was computed. [2022-01-10 15:53:03,889 INFO L858 garLoopResultBuilder]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2022-01-10 15:53:03,889 INFO L858 garLoopResultBuilder]: For program point L319-2(lines 319 326) no Hoare annotation was computed. [2022-01-10 15:53:03,889 INFO L858 garLoopResultBuilder]: For program point L323(lines 323 325) no Hoare annotation was computed. [2022-01-10 15:53:03,890 INFO L854 garLoopResultBuilder]: At program point L162(lines 158 575) the Hoare annotation is: (let ((.cse0 (< 8496 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (.cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8576))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)) (and .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int| 0) .cse1))) [2022-01-10 15:53:03,890 INFO L858 garLoopResultBuilder]: For program point L161(lines 161 574) no Hoare annotation was computed. [2022-01-10 15:53:03,890 INFO L858 garLoopResultBuilder]: For program point L336(lines 336 340) no Hoare annotation was computed. [2022-01-10 15:53:03,890 INFO L858 garLoopResultBuilder]: For program point L164(lines 164 573) no Hoare annotation was computed. [2022-01-10 15:53:03,890 INFO L858 garLoopResultBuilder]: For program point L336-2(lines 219 553) no Hoare annotation was computed. [2022-01-10 15:53:03,890 INFO L854 garLoopResultBuilder]: At program point L168(lines 164 573) the Hoare annotation is: (let ((.cse0 (<= 8544 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (.cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8576))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)) (and .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int| 0) .cse1))) [2022-01-10 15:53:03,890 INFO L858 garLoopResultBuilder]: For program point L167(lines 167 572) no Hoare annotation was computed. [2022-01-10 15:53:03,890 INFO L854 garLoopResultBuilder]: At program point L366(lines 342 384) the Hoare annotation is: (let ((.cse0 (< 8496 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (.cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8576))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)) (and .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int| 0) .cse1))) [2022-01-10 15:53:03,890 INFO L858 garLoopResultBuilder]: For program point L345(lines 345 383) no Hoare annotation was computed. [2022-01-10 15:53:03,890 INFO L858 garLoopResultBuilder]: For program point L391(lines 391 423) no Hoare annotation was computed. [2022-01-10 15:53:03,890 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 571) no Hoare annotation was computed. [2022-01-10 15:53:03,890 INFO L858 garLoopResultBuilder]: For program point L368(lines 368 370) no Hoare annotation was computed. [2022-01-10 15:53:03,890 INFO L858 garLoopResultBuilder]: For program point L348(lines 348 382) no Hoare annotation was computed. [2022-01-10 15:53:03,890 INFO L858 garLoopResultBuilder]: For program point L392(lines 392 398) no Hoare annotation was computed. [2022-01-10 15:53:03,890 INFO L854 garLoopResultBuilder]: At program point L400(lines 391 423) the Hoare annotation is: (let ((.cse0 (<= 8544 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (.cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8576))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)) (and .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int| 0) .cse1))) [2022-01-10 15:53:03,890 INFO L854 garLoopResultBuilder]: At program point L174(lines 170 571) the Hoare annotation is: (let ((.cse0 (<= 8544 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (.cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8576))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)) (and .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int| 0) .cse1))) [2022-01-10 15:53:03,890 INFO L858 garLoopResultBuilder]: For program point L173(lines 173 570) no Hoare annotation was computed. [2022-01-10 15:53:03,890 INFO L858 garLoopResultBuilder]: For program point L348-1(lines 348 382) no Hoare annotation was computed. [2022-01-10 15:53:03,890 INFO L858 garLoopResultBuilder]: For program point L349(lines 349 379) no Hoare annotation was computed. [2022-01-10 15:53:03,890 INFO L858 garLoopResultBuilder]: For program point L403(lines 403 421) no Hoare annotation was computed. [2022-01-10 15:53:03,890 INFO L858 garLoopResultBuilder]: For program point L433(lines 433 435) no Hoare annotation was computed. [2022-01-10 15:53:03,891 INFO L858 garLoopResultBuilder]: For program point L176(lines 176 569) no Hoare annotation was computed. [2022-01-10 15:53:03,891 INFO L858 garLoopResultBuilder]: For program point L354(lines 354 377) no Hoare annotation was computed. [2022-01-10 15:53:03,891 INFO L858 garLoopResultBuilder]: For program point L404(lines 404 410) no Hoare annotation was computed. [2022-01-10 15:53:03,891 INFO L854 garLoopResultBuilder]: At program point L412(lines 403 421) the Hoare annotation is: (let ((.cse0 (<= 8544 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (.cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8576))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)) (and .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int| 0) .cse1))) [2022-01-10 15:53:03,891 INFO L854 garLoopResultBuilder]: At program point L177(lines 176 569) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)) (.cse1 (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (.cse3 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int| 0)) (.cse2 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8448)) (.cse4 (<= 8448 |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| 8496) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3) .cse2 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 3) .cse3 .cse4) (and .cse2 .cse4 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)) (and (< 8496 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8576) .cse0 .cse1 .cse2 .cse3 .cse4) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) (<= 8640 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8640) .cse2 .cse4))) [2022-01-10 15:53:03,891 INFO L858 garLoopResultBuilder]: For program point L179(lines 179 568) no Hoare annotation was computed. [2022-01-10 15:53:03,891 INFO L858 garLoopResultBuilder]: For program point L357(lines 357 361) no Hoare annotation was computed. [2022-01-10 15:53:03,891 INFO L858 garLoopResultBuilder]: For program point L415(lines 415 417) no Hoare annotation was computed. [2022-01-10 15:53:03,891 INFO L858 garLoopResultBuilder]: For program point L444(lines 444 447) no Hoare annotation was computed. [2022-01-10 15:53:03,891 INFO L858 garLoopResultBuilder]: For program point L441-1(lines 441 449) no Hoare annotation was computed. [2022-01-10 15:53:03,891 INFO L854 garLoopResultBuilder]: At program point L183(lines 179 568) the Hoare annotation is: (let ((.cse0 (<= 8544 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (.cse1 (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8640))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)) (and (< 8496 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int|) .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) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int| 0) .cse1))) [2022-01-10 15:53:03,891 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 567) no Hoare annotation was computed. [2022-01-10 15:53:03,891 INFO L858 garLoopResultBuilder]: For program point L357-2(lines 357 361) no Hoare annotation was computed. [2022-01-10 15:53:03,891 INFO L858 garLoopResultBuilder]: For program point L455(lines 455 457) no Hoare annotation was computed. [2022-01-10 15:53:03,891 INFO L858 garLoopResultBuilder]: For program point L185(lines 185 566) no Hoare annotation was computed. [2022-01-10 15:53:03,891 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 373) no Hoare annotation was computed. [2022-01-10 15:53:03,891 INFO L858 garLoopResultBuilder]: For program point L458(lines 458 467) no Hoare annotation was computed. [2022-01-10 15:53:03,891 INFO L854 garLoopResultBuilder]: At program point L189(lines 185 566) the Hoare annotation is: (let ((.cse0 (<= 8544 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (.cse1 (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8640))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)) (and (< 8496 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int|) .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) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int| 0) .cse1))) [2022-01-10 15:53:03,891 INFO L858 garLoopResultBuilder]: For program point L188(lines 188 565) no Hoare annotation was computed. [2022-01-10 15:53:03,891 INFO L858 garLoopResultBuilder]: For program point L462(lines 462 464) no Hoare annotation was computed. [2022-01-10 15:53:03,891 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 474) no Hoare annotation was computed. [2022-01-10 15:53:03,891 INFO L858 garLoopResultBuilder]: For program point L191(lines 191 564) no Hoare annotation was computed. [2022-01-10 15:53:03,892 INFO L854 garLoopResultBuilder]: At program point L195(lines 191 564) the Hoare annotation is: (let ((.cse0 (<= 8544 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)) (.cse1 (not (<= 8640 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|)))) (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) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int| 0)) (and .cse0 .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)))) [2022-01-10 15:53:03,892 INFO L858 garLoopResultBuilder]: For program point L194(lines 194 563) no Hoare annotation was computed. [2022-01-10 15:53:03,892 INFO L858 garLoopResultBuilder]: For program point L481(lines 481 483) no Hoare annotation was computed. [2022-01-10 15:53:03,892 INFO L858 garLoopResultBuilder]: For program point L197(lines 197 562) no Hoare annotation was computed. [2022-01-10 15:53:03,892 INFO L854 garLoopResultBuilder]: At program point L201(lines 197 562) the Hoare annotation is: (let ((.cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8640)) (.cse0 (<= 8640 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|))) (or (and (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8672) .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) .cse1 (<= 8640 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int|) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8640) .cse0) (and (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8576) .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2) (<= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|) .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int| 0)))) [2022-01-10 15:53:03,892 INFO L858 garLoopResultBuilder]: For program point L200(lines 200 561) no Hoare annotation was computed. [2022-01-10 15:53:03,892 INFO L858 garLoopResultBuilder]: For program point L490(lines 490 492) no Hoare annotation was computed. [2022-01-10 15:53:03,892 INFO L858 garLoopResultBuilder]: For program point L203(lines 203 560) no Hoare annotation was computed. [2022-01-10 15:53:03,892 INFO L858 garLoopResultBuilder]: For program point L493(lines 493 497) no Hoare annotation was computed. [2022-01-10 15:53:03,892 INFO L854 garLoopResultBuilder]: At program point L207(lines 203 560) the Hoare annotation is: (let ((.cse3 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 2)) (.cse2 (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|))) (.cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 8672)) (.cse1 (<= 8640 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)) (and .cse2 .cse0 .cse3 .cse1) (and .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8576) .cse3 .cse1) (and .cse2 .cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3) (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__s3__tmp__next_state___0~0#1Int| 8640) .cse1))) [2022-01-10 15:53:03,892 INFO L858 garLoopResultBuilder]: For program point L206(lines 206 559) no Hoare annotation was computed. [2022-01-10 15:53:03,892 INFO L858 garLoopResultBuilder]: For program point L493-2(lines 493 497) no Hoare annotation was computed. [2022-01-10 15:53:03,892 INFO L858 garLoopResultBuilder]: For program point L503(lines 503 506) no Hoare annotation was computed. [2022-01-10 15:53:03,892 INFO L858 garLoopResultBuilder]: For program point L209(lines 209 558) no Hoare annotation was computed. [2022-01-10 15:53:03,892 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 510) no Hoare annotation was computed. [2022-01-10 15:53:03,892 INFO L854 garLoopResultBuilder]: At program point L213(lines 209 558) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 3)) (.cse2 (not (<= 16384 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int|))) (.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 (< |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__state~0#1Int| 16384) .cse1) (and (not (= 0 |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~s__hit~0#1Int|)) .cse2 .cse0 .cse1) (and .cse2 .cse1 (<= |ULTIMATE.start_ULTIMATE.start_ssl3_accept_~blastFlag~0#1Int| 0)))) [2022-01-10 15:53:03,892 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 557) no Hoare annotation was computed. [2022-01-10 15:53:03,892 INFO L858 garLoopResultBuilder]: For program point L508-2(lines 219 553) no Hoare annotation was computed. [2022-01-10 15:53:03,892 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 526) no Hoare annotation was computed. [2022-01-10 15:53:03,893 INFO L858 garLoopResultBuilder]: For program point L215(lines 215 556) no Hoare annotation was computed. [2022-01-10 15:53:03,893 INFO L858 garLoopResultBuilder]: For program point L516(lines 516 519) no Hoare annotation was computed. [2022-01-10 15:53:03,893 INFO L854 garLoopResultBuilder]: At program point L525(lines 83 621) the Hoare annotation is: false [2022-01-10 15:53:03,893 INFO L858 garLoopResultBuilder]: For program point L527(lines 527 529) no Hoare annotation was computed. [2022-01-10 15:53:03,893 INFO L861 garLoopResultBuilder]: At program point L216(lines 215 556) the Hoare annotation is: true [2022-01-10 15:53:03,893 INFO L861 garLoopResultBuilder]: At program point L218(lines 217 556) the Hoare annotation is: true [2022-01-10 15:53:03,893 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2022-01-10 15:53:03,893 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 535) no Hoare annotation was computed. [2022-01-10 15:53:03,893 INFO L858 garLoopResultBuilder]: For program point L541(lines 541 547) no Hoare annotation was computed. [2022-01-10 15:53:03,893 INFO L858 garLoopResultBuilder]: For program point L531-2(lines 531 535) no Hoare annotation was computed. [2022-01-10 15:53:03,893 INFO L858 garLoopResultBuilder]: For program point L544(lines 544 546) no Hoare annotation was computed. [2022-01-10 15:53:03,893 INFO L858 garLoopResultBuilder]: For program point L541-1(lines 541 547) no Hoare annotation was computed. [2022-01-10 15:53:03,895 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 15:53:03,896 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 15:53:03,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 03:53:03 BasicIcfg [2022-01-10 15:53:03,954 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 15:53:03,954 INFO L158 Benchmark]: Toolchain (without parser) took 23588.91ms. Allocated memory was 175.1MB in the beginning and 493.9MB in the end (delta: 318.8MB). Free memory was 119.9MB in the beginning and 301.4MB in the end (delta: -181.6MB). Peak memory consumption was 289.9MB. Max. memory is 8.0GB. [2022-01-10 15:53:03,955 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 175.1MB. Free memory was 136.5MB in the beginning and 136.4MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 15:53:03,961 INFO L158 Benchmark]: CACSL2BoogieTranslator took 261.56ms. Allocated memory is still 175.1MB. Free memory was 119.7MB in the beginning and 141.4MB in the end (delta: -21.6MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. [2022-01-10 15:53:03,961 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.13ms. Allocated memory is still 175.1MB. Free memory was 141.4MB in the beginning and 138.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 15:53:03,961 INFO L158 Benchmark]: Boogie Preprocessor took 31.60ms. Allocated memory is still 175.1MB. Free memory was 138.7MB in the beginning and 136.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-10 15:53:03,961 INFO L158 Benchmark]: RCFGBuilder took 449.90ms. Allocated memory is still 175.1MB. Free memory was 136.6MB in the beginning and 109.9MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-01-10 15:53:03,961 INFO L158 Benchmark]: IcfgTransformer took 145.81ms. Allocated memory is still 175.1MB. Free memory was 109.4MB in the beginning and 95.7MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-01-10 15:53:03,961 INFO L158 Benchmark]: TraceAbstraction took 22658.39ms. Allocated memory was 175.1MB in the beginning and 493.9MB in the end (delta: 318.8MB). Free memory was 95.2MB in the beginning and 301.4MB in the end (delta: -206.2MB). Peak memory consumption was 265.0MB. Max. memory is 8.0GB. [2022-01-10 15:53:03,962 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 175.1MB. Free memory was 136.5MB in the beginning and 136.4MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 261.56ms. Allocated memory is still 175.1MB. Free memory was 119.7MB in the beginning and 141.4MB in the end (delta: -21.6MB). Peak memory consumption was 11.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.13ms. Allocated memory is still 175.1MB. Free memory was 141.4MB in the beginning and 138.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.60ms. Allocated memory is still 175.1MB. Free memory was 138.7MB in the beginning and 136.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 449.90ms. Allocated memory is still 175.1MB. Free memory was 136.6MB in the beginning and 109.9MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * IcfgTransformer took 145.81ms. Allocated memory is still 175.1MB. Free memory was 109.4MB in the beginning and 95.7MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 22658.39ms. Allocated memory was 175.1MB in the beginning and 493.9MB in the end (delta: 318.8MB). Free memory was 95.2MB in the beginning and 301.4MB in the end (delta: -206.2MB). Peak memory consumption was 265.0MB. 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: 619]: 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, 141 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.5s, OverallIterations: 26, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3070 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3070 mSDsluCounter, 10562 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4538 mSDsCounter, 690 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3937 IncrementalHoareTripleChecker+Invalid, 4627 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 690 mSolverCounterUnsat, 6024 mSDtfsCounter, 3937 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5150 GetRequests, 5091 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6546occurred in iteration=17, InterpolantAutomatonStates: 96, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 26 MinimizatonAttempts, 5331 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 28 PreInvPairs, 284 NumberOfFragments, 1287 HoareAnnotationTreeSize, 28 FomulaSimplifications, 23736 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 28 FomulaSimplificationsInter, 26261 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 7.1s InterpolantComputationTime, 9849 NumberOfCodeBlocks, 9849 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 11602 ConstructedInterpolants, 0 QuantifiedInterpolants, 16449 SizeOfPredicates, 5 NumberOfNonLiveVariables, 12474 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 39 InterpolantComputations, 22 PerfectInterpolantSequences, 49788/50037 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: 83]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: ((~bvule32(s__state, 8576bv32) && ~bvule32(blastFlag, 0bv32)) && ~bvule32(8544bv32, s__state)) || ((((~bvule32(s__state, 8576bv32) && ~bvule32(blastFlag, 2bv32)) && ~bvule32(s__hit, 0bv32)) && ~bvule32(0bv32, s__hit)) && ~bvule32(8544bv32, s__state)) - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: ((~bvule32(8480bv32, s__state) && ~bvule32(s__s3__tmp__next_state___0, 8640bv32)) && ~bvule32(s__state, 8640bv32)) || ((~bvule32(blastFlag, 0bv32) && ~bvule32(8480bv32, s__state)) && ~bvule32(s__state, 8640bv32)) - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((!(s__hit == 0bv32) && ~bvule32(blastFlag, 2bv32)) && ~bvule32(8640bv32, s__state)) && ~bvule32(s__state, 8672bv32)) || (((~bvule32(blastFlag, 2bv32) && ~bvule32(8640bv32, s__state)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32)) && ~bvule32(s__state, 8672bv32))) || ((~bvule32(blastFlag, 0bv32) && ~bvule32(8640bv32, s__state)) && ~bvule32(s__state, 8672bv32))) || ((((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(s__s3__tmp__next_state___0, 8640bv32)) && ~bvule32(8640bv32, s__state)) && ~bvule32(s__state, 8672bv32)) - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: (((((~bvule32(blastFlag, 2bv32) && ~bvule32(s__hit, 0bv32)) && !~bvule32(8640bv32, s__state)) && ~bvule32(0bv32, s__hit)) && ~bvule32(8544bv32, s__state)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32)) || ((~bvule32(blastFlag, 0bv32) && !~bvule32(8640bv32, s__state)) && ~bvule32(8544bv32, s__state)) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (((((~bvule32(blastFlag, 2bv32) && ~bvule32(8448bv32, s__state)) && ~bvule32(s__hit, 0bv32)) && ~bvule32(0bv32, s__hit)) && ~bvule32(s__state, 8480bv32)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32)) || ((~bvule32(blastFlag, 0bv32) && ~bvule32(8448bv32, s__state)) && ~bvule32(s__state, 8480bv32)) - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: ((~bvule32(s__state, 8576bv32) && ~bvule32(blastFlag, 0bv32)) && ~bvule32(8544bv32, s__state)) || ((((~bvule32(s__state, 8576bv32) && ~bvule32(blastFlag, 2bv32)) && ~bvule32(s__hit, 0bv32)) && ~bvule32(0bv32, s__hit)) && ~bvule32(8544bv32, s__state)) - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(s__s3__tmp__next_state___0, 8640bv32)) && 8656bv32 == s__state) || (((~bvule32(blastFlag, 2bv32) && ~bvule32(s__hit, 0bv32)) && ~bvule32(0bv32, s__hit)) && 8544bv32 == s__state)) || (((~bvule32(blastFlag, 2bv32) && ~bvule32(s__hit, 0bv32)) && ~bvule32(0bv32, s__hit)) && 8528bv32 == s__state)) || ~bvule32(blastFlag, 0bv32)) || (blastFlag == 1bv32 && 8496bv32 == s__state)) || ((((((~bvule32(blastFlag, 2bv32) && ~bvule32(8448bv32, s__state)) && ~bvule32(s__hit, 0bv32)) && ~bvule32(0bv32, s__hit)) && ~bvult64(8496bv32, s__s3__tmp__next_state___0)) && ~bvule32(s__state, 8480bv32)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32))) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 2bv32)) && 8656bv32 == s__state)) || (((~bvule32(blastFlag, 3bv32) && ~bvule32(8672bv32, s__state)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32)) && ~bvule32(s__state, 8672bv32))) || ((((((~bvule32(blastFlag, 2bv32) && ~bvule32(s__hit, 0bv32)) && ~bvult64(s__state, 8640bv32)) && ~bvule32(0bv32, s__hit)) && ~bvule32(8544bv32, s__state)) && ~bvult64(8496bv32, s__s3__tmp__next_state___0)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32))) || ((((!(s__hit == 0bv32) && ~bvule32(s__s3__tmp__next_state___0, 8640bv32)) && ~bvule32(8640bv32, s__s3__tmp__next_state___0)) && ~bvule32(8640bv32, s__state)) && ~bvule32(s__state, 8640bv32))) || (((((~bvule32(8448bv32, s__state) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(s__hit, 0bv32)) && ~bvule32(s__s3__tmp__next_state___0, 3bv32)) && ~bvule32(0bv32, s__hit)) && ~bvule32(s__state, 8448bv32))) || ((~bvule32(blastFlag, 2bv32) && 8656bv32 == s__state) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32))) || (((((~bvule32(blastFlag, 2bv32) && ~bvule32(s__hit, 0bv32)) && ~bvule32(0bv32, s__hit)) && ~bvule32(8640bv32, s__state)) && ~bvule32(s__state, 8640bv32)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32))) || (((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(8672bv32, s__state)) && ~bvule32(s__state, 8672bv32))) || ((((((~bvule32(s__state, 8576bv32) && ~bvule32(blastFlag, 2bv32)) && ~bvule32(s__hit, 0bv32)) && ~bvult64(8496bv32, s__state)) && ~bvule32(0bv32, s__hit)) && ~bvult64(8496bv32, s__s3__tmp__next_state___0)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32))) || (~bvule32(s__state, 3bv32) && ~bvule32(s__s3__tmp__next_state___0, 8640bv32))) || ((((!(s__hit == 0bv32) && ~bvule32(8448bv32, s__state)) && ~bvule32(s__state, 8448bv32)) && ~bvule32(s__s3__tmp__next_state___0, 8640bv32)) && ~bvule32(8640bv32, s__s3__tmp__next_state___0))) || ((((~bvult64(s__s3__tmp__next_state___0, 8496bv32) && ~bvule32(blastFlag, 2bv32)) && ~bvule32(s__hit, 0bv32)) && ~bvule32(0bv32, s__hit)) && ~bvult64(s__state, 8496bv32))) || (((~bvule32(blastFlag, 2bv32) && ~bvule32(s__hit, 0bv32)) && ~bvule32(0bv32, s__hit)) && 8560bv32 == s__state)) || (((~bvule32(blastFlag, 2bv32) && ~bvule32(s__hit, 0bv32)) && 8512bv32 == s__state) && ~bvule32(0bv32, s__hit))) || ((((~bvule32(blastFlag, 2bv32) && ~bvule32(s__hit, 0bv32)) && 8496bv32 == s__state) && ~bvule32(0bv32, s__hit)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32)) - InvariantResult [Line: 342]: Loop Invariant Derived loop invariant: ((((~bvule32(s__state, 8576bv32) && ~bvule32(blastFlag, 2bv32)) && ~bvule32(s__hit, 0bv32)) && ~bvult64(8496bv32, s__state)) && ~bvule32(0bv32, s__hit)) || ((~bvule32(s__state, 8576bv32) && ~bvule32(blastFlag, 0bv32)) && ~bvult64(8496bv32, s__state)) - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: ((~bvule32(blastFlag, 0bv32) && ~bvule32(8640bv32, s__state)) || (~bvule32(blastFlag, 0bv32) && ~bvule32(s__state, 8448bv32))) || ((((~bvult64(s__s3__tmp__next_state___0, 8496bv32) && ~bvule32(blastFlag, 2bv32)) && ~bvule32(s__hit, 0bv32)) && ~bvule32(0bv32, s__hit)) && ~bvule32(s__state, 8448bv32)) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: s__state == 12292bv32 && ~bvule32(blastFlag, 0bv32) - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: (((((((((~bvule32(blastFlag, 2bv32) && ~bvule32(8448bv32, s__state)) && ~bvule32(s__hit, 0bv32)) && ~bvule32(0bv32, s__hit)) && ~bvule32(s__state, 8448bv32)) && ~bvult64(8496bv32, s__s3__tmp__next_state___0)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32)) || (((((~bvult64(s__s3__tmp__next_state___0, 8496bv32) && ~bvule32(blastFlag, 2bv32)) && ~bvule32(8448bv32, s__state)) && ~bvule32(s__hit, 0bv32)) && ~bvule32(0bv32, s__hit)) && ~bvule32(s__state, 8448bv32))) || (((((~bvule32(8448bv32, s__state) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(s__hit, 0bv32)) && ~bvule32(s__s3__tmp__next_state___0, 3bv32)) && ~bvule32(0bv32, s__hit)) && ~bvule32(s__state, 8448bv32))) || ((((!(s__hit == 0bv32) && ~bvule32(8448bv32, s__state)) && ~bvule32(s__state, 8448bv32)) && ~bvule32(s__s3__tmp__next_state___0, 8640bv32)) && ~bvule32(8640bv32, s__s3__tmp__next_state___0))) || ((~bvule32(blastFlag, 0bv32) && ~bvule32(8448bv32, s__state)) && ~bvule32(s__state, 8448bv32)) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: ((((((~bvule32(blastFlag, 2bv32) && ~bvule32(s__hit, 0bv32)) && ~bvult64(s__state, 8640bv32)) && ~bvule32(0bv32, s__hit)) && ~bvule32(8544bv32, s__state)) && ~bvult64(8496bv32, s__s3__tmp__next_state___0)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32)) || ((~bvule32(blastFlag, 0bv32) && ~bvult64(s__state, 8640bv32)) && ~bvule32(8544bv32, s__state)) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: ((~bvule32(s__state, 8576bv32) && ~bvule32(blastFlag, 0bv32)) && ~bvule32(8544bv32, s__state)) || ((((~bvule32(s__state, 8576bv32) && ~bvule32(blastFlag, 2bv32)) && ~bvule32(s__hit, 0bv32)) && ~bvule32(0bv32, s__hit)) && ~bvule32(8544bv32, s__state)) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: (((~bvule32(blastFlag, 0bv32) && !~bvule32(16384bv32, s__state)) && ~bvule32(8672bv32, s__state)) || (((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && !~bvule32(16384bv32, s__state)) && ~bvule32(8672bv32, s__state))) || (((~bvule32(blastFlag, 3bv32) && ~bvult64(s__state, 16384bv32)) && ~bvule32(8672bv32, s__state)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32)) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((((~bvule32(blastFlag, 2bv32) && ~bvule32(s__hit, 0bv32)) && ~bvule32(0bv32, s__hit)) && ~bvule32(8480bv32, s__state)) && ~bvult64(s__state, 8496bv32)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32)) || ((~bvule32(blastFlag, 0bv32) && !~bvule32(8496bv32, s__state)) && ~bvule32(8480bv32, s__state)) - InvariantResult [Line: 152]: Loop Invariant Derived loop invariant: ((((~bvule32(s__state, 8576bv32) && ~bvule32(blastFlag, 2bv32)) && ~bvule32(s__hit, 0bv32)) && ~bvult64(8496bv32, s__state)) && ~bvule32(0bv32, s__hit)) || ((~bvule32(s__state, 8576bv32) && ~bvule32(blastFlag, 0bv32)) && ~bvult64(8496bv32, s__state)) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: ((~bvule32(s__state, 8576bv32) && ~bvule32(blastFlag, 0bv32)) && ~bvule32(8544bv32, s__state)) || ((((~bvule32(s__state, 8576bv32) && ~bvule32(blastFlag, 2bv32)) && ~bvule32(s__hit, 0bv32)) && ~bvule32(0bv32, s__hit)) && ~bvule32(8544bv32, s__state)) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((((((~bvule32(blastFlag, 2bv32) && ~bvule32(s__hit, 0bv32)) && ~bvult64(s__state, 8640bv32)) && ~bvule32(0bv32, s__hit)) && ~bvule32(8544bv32, s__state)) && ~bvult64(8496bv32, s__s3__tmp__next_state___0)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32)) || ((~bvule32(blastFlag, 0bv32) && ~bvult64(s__state, 8640bv32)) && ~bvule32(8544bv32, s__state)) - InvariantResult [Line: 146]: Loop Invariant Derived loop invariant: (((~bvule32(s__state, 8576bv32) && ~bvule32(blastFlag, 0bv32)) && ~bvule32(8480bv32, s__state)) || ((~bvule32(s__state, 8576bv32) && blastFlag == 1bv32) && ~bvule32(8480bv32, s__state))) || (((((~bvule32(s__state, 8576bv32) && ~bvule32(blastFlag, 2bv32)) && ~bvule32(s__hit, 0bv32)) && ~bvule32(0bv32, s__hit)) && ~bvule32(8480bv32, s__state)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32)) - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: (((((!(s__hit == 0bv32) && ~bvule32(s__s3__tmp__next_state___0, 8640bv32)) && ~bvule32(8640bv32, s__s3__tmp__next_state___0)) && ~bvule32(8640bv32, s__state)) && ~bvule32(s__state, 8640bv32)) || (((((~bvule32(blastFlag, 2bv32) && ~bvule32(s__hit, 0bv32)) && ~bvule32(0bv32, s__hit)) && ~bvule32(8640bv32, s__state)) && ~bvule32(s__state, 8640bv32)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32))) || ((~bvule32(blastFlag, 0bv32) && ~bvule32(8640bv32, s__state)) && ~bvule32(s__state, 8672bv32)) - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: ((((~bvule32(s__state, 8576bv32) && ~bvule32(blastFlag, 2bv32)) && ~bvule32(s__hit, 0bv32)) && ~bvult64(8496bv32, s__state)) && ~bvule32(0bv32, s__hit)) || ((~bvule32(s__state, 8576bv32) && ~bvule32(blastFlag, 0bv32)) && ~bvult64(8496bv32, s__state)) - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(s__s3__tmp__next_state___0, 8640bv32)) && 8656bv32 == s__state) || (((~bvule32(blastFlag, 2bv32) && ~bvule32(s__hit, 0bv32)) && ~bvule32(0bv32, s__hit)) && 8544bv32 == s__state)) || (((~bvule32(blastFlag, 2bv32) && ~bvule32(s__hit, 0bv32)) && ~bvule32(0bv32, s__hit)) && 8528bv32 == s__state)) || ~bvule32(blastFlag, 0bv32)) || (blastFlag == 1bv32 && 8496bv32 == s__state)) || ((((((~bvule32(blastFlag, 2bv32) && ~bvule32(8448bv32, s__state)) && ~bvule32(s__hit, 0bv32)) && ~bvule32(0bv32, s__hit)) && ~bvult64(8496bv32, s__s3__tmp__next_state___0)) && ~bvule32(s__state, 8480bv32)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32))) || ((!(s__hit == 0bv32) && ~bvule32(blastFlag, 2bv32)) && 8656bv32 == s__state)) || (((~bvule32(blastFlag, 3bv32) && ~bvule32(8672bv32, s__state)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32)) && ~bvule32(s__state, 8672bv32))) || ((((((~bvule32(blastFlag, 2bv32) && ~bvule32(s__hit, 0bv32)) && ~bvult64(s__state, 8640bv32)) && ~bvule32(0bv32, s__hit)) && ~bvule32(8544bv32, s__state)) && ~bvult64(8496bv32, s__s3__tmp__next_state___0)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32))) || ((((!(s__hit == 0bv32) && ~bvule32(s__s3__tmp__next_state___0, 8640bv32)) && ~bvule32(8640bv32, s__s3__tmp__next_state___0)) && ~bvule32(8640bv32, s__state)) && ~bvule32(s__state, 8640bv32))) || (((((~bvule32(8448bv32, s__state) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(s__hit, 0bv32)) && ~bvule32(s__s3__tmp__next_state___0, 3bv32)) && ~bvule32(0bv32, s__hit)) && ~bvule32(s__state, 8448bv32))) || ((~bvule32(blastFlag, 2bv32) && 8656bv32 == s__state) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32))) || (((((~bvule32(blastFlag, 2bv32) && ~bvule32(s__hit, 0bv32)) && ~bvule32(0bv32, s__hit)) && ~bvule32(8640bv32, s__state)) && ~bvule32(s__state, 8640bv32)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32))) || (((!(s__hit == 0bv32) && ~bvule32(blastFlag, 3bv32)) && ~bvule32(8672bv32, s__state)) && ~bvule32(s__state, 8672bv32))) || ((((((~bvule32(s__state, 8576bv32) && ~bvule32(blastFlag, 2bv32)) && ~bvule32(s__hit, 0bv32)) && ~bvult64(8496bv32, s__state)) && ~bvule32(0bv32, s__hit)) && ~bvult64(8496bv32, s__s3__tmp__next_state___0)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32))) || (~bvule32(s__state, 3bv32) && ~bvule32(s__s3__tmp__next_state___0, 8640bv32))) || ((((!(s__hit == 0bv32) && ~bvule32(8448bv32, s__state)) && ~bvule32(s__state, 8448bv32)) && ~bvule32(s__s3__tmp__next_state___0, 8640bv32)) && ~bvule32(8640bv32, s__s3__tmp__next_state___0))) || ((((~bvult64(s__s3__tmp__next_state___0, 8496bv32) && ~bvule32(blastFlag, 2bv32)) && ~bvule32(s__hit, 0bv32)) && ~bvule32(0bv32, s__hit)) && ~bvult64(s__state, 8496bv32))) || (((~bvule32(blastFlag, 2bv32) && ~bvule32(s__hit, 0bv32)) && ~bvule32(0bv32, s__hit)) && 8560bv32 == s__state)) || (((~bvule32(blastFlag, 2bv32) && ~bvule32(s__hit, 0bv32)) && 8512bv32 == s__state) && ~bvule32(0bv32, s__hit))) || ((((~bvule32(blastFlag, 2bv32) && ~bvule32(s__hit, 0bv32)) && 8496bv32 == s__state) && ~bvule32(0bv32, s__hit)) && ~bvule32(s__s3__tmp__next_state___0, 8576bv32)) RESULT: Ultimate proved your program to be correct! [2022-01-10 15:53:04,010 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...