/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/seq-mthreaded-reduced/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 18:57:51,495 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 18:57:51,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 18:57:51,538 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 18:57:51,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 18:57:51,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 18:57:51,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 18:57:51,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 18:57:51,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 18:57:51,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 18:57:51,561 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 18:57:51,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 18:57:51,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 18:57:51,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 18:57:51,569 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 18:57:51,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 18:57:51,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 18:57:51,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 18:57:51,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 18:57:51,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 18:57:51,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 18:57:51,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 18:57:51,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 18:57:51,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 18:57:51,591 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 18:57:51,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 18:57:51,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 18:57:51,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 18:57:51,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 18:57:51,593 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 18:57:51,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 18:57:51,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 18:57:51,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 18:57:51,595 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 18:57:51,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 18:57:51,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 18:57:51,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 18:57:51,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 18:57:51,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 18:57:51,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 18:57:51,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 18:57:51,598 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 18:57:51,629 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 18:57:51,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 18:57:51,630 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 18:57:51,631 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 18:57:51,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 18:57:51,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 18:57:51,632 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 18:57:51,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 18:57:51,632 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 18:57:51,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 18:57:51,633 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 18:57:51,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 18:57:51,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 18:57:51,634 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 18:57:51,634 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 18:57:51,634 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 18:57:51,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 18:57:51,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 18:57:51,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 18:57:51,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 18:57:51,634 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 18:57:51,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 18:57:51,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 18:57:51,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 18:57:51,636 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 18:57:51,636 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 18:57:51,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 18:57:51,637 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 18:57:51,637 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 18:57:51,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 18:57:51,637 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 18:57:51,637 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 18:57:51,638 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 18:57:51,638 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 18:57:51,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 18:57:51,911 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 18:57:51,913 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 18:57:51,915 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 18:57:51,915 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 18:57:51,916 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c.v+cfa-reducer.c [2022-01-10 18:57:51,958 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5b68f6b4/8d721bb349e6427d98400067e69cadae/FLAG6bbf8ed52 [2022-01-10 18:57:52,394 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 18:57:52,395 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c.v+cfa-reducer.c [2022-01-10 18:57:52,406 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5b68f6b4/8d721bb349e6427d98400067e69cadae/FLAG6bbf8ed52 [2022-01-10 18:57:52,742 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5b68f6b4/8d721bb349e6427d98400067e69cadae [2022-01-10 18:57:52,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 18:57:52,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 18:57:52,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 18:57:52,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 18:57:52,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 18:57:52,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:57:52" (1/1) ... [2022-01-10 18:57:52,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19829159 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:57:52, skipping insertion in model container [2022-01-10 18:57:52,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 06:57:52" (1/1) ... [2022-01-10 18:57:52,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 18:57:52,796 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 18:57:53,067 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c.v+cfa-reducer.c[7365,7378] [2022-01-10 18:57:53,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 18:57:53,138 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 18:57:53,188 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c.v+cfa-reducer.c[7365,7378] [2022-01-10 18:57:53,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 18:57:53,222 INFO L208 MainTranslator]: Completed translation [2022-01-10 18:57:53,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:57:53 WrapperNode [2022-01-10 18:57:53,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 18:57:53,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 18:57:53,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 18:57:53,224 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 18:57:53,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:57:53" (1/1) ... [2022-01-10 18:57:53,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:57:53" (1/1) ... [2022-01-10 18:57:53,293 INFO L137 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 592 [2022-01-10 18:57:53,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 18:57:53,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 18:57:53,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 18:57:53,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 18:57:53,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:57:53" (1/1) ... [2022-01-10 18:57:53,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:57:53" (1/1) ... [2022-01-10 18:57:53,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:57:53" (1/1) ... [2022-01-10 18:57:53,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:57:53" (1/1) ... [2022-01-10 18:57:53,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:57:53" (1/1) ... [2022-01-10 18:57:53,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:57:53" (1/1) ... [2022-01-10 18:57:53,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:57:53" (1/1) ... [2022-01-10 18:57:53,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 18:57:53,353 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 18:57:53,353 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 18:57:53,353 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 18:57:53,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:57:53" (1/1) ... [2022-01-10 18:57:53,370 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 18:57:53,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 18:57:53,396 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 18:57:53,422 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 18:57:53,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 18:57:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 18:57:53,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 18:57:53,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 18:57:53,603 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 18:57:53,604 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 18:57:54,090 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 18:57:54,097 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 18:57:54,097 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-10 18:57:54,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:57:54 BoogieIcfgContainer [2022-01-10 18:57:54,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 18:57:54,100 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 18:57:54,100 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 18:57:54,112 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 18:57:54,117 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:57:54" (1/1) ... [2022-01-10 18:57:54,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 06:57:54 BasicIcfg [2022-01-10 18:57:54,691 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 18:57:54,693 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 18:57:54,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 18:57:54,696 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 18:57:54,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 06:57:52" (1/4) ... [2022-01-10 18:57:54,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d61380d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:57:54, skipping insertion in model container [2022-01-10 18:57:54,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 06:57:53" (2/4) ... [2022-01-10 18:57:54,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d61380d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 06:57:54, skipping insertion in model container [2022-01-10 18:57:54,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 06:57:54" (3/4) ... [2022-01-10 18:57:54,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d61380d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 06:57:54, skipping insertion in model container [2022-01-10 18:57:54,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 06:57:54" (4/4) ... [2022-01-10 18:57:54,700 INFO L111 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c.v+cfa-reducer.cTransformedIcfg [2022-01-10 18:57:54,705 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 18:57:54,705 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 18:57:54,749 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 18:57:54,763 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 18:57:54,764 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 18:57:54,779 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 156 states have (on average 1.7115384615384615) internal successors, (267), 157 states have internal predecessors, (267), 0 states have call successors, (0), 0 states 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 18:57:54,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-01-10 18:57:54,791 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 18:57:54,792 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 18:57:54,792 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 18:57:54,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 18:57:54,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1198971519, now seen corresponding path program 1 times [2022-01-10 18:57:54,803 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 18:57:54,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706912443] [2022-01-10 18:57:54,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 18:57:54,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 18:57:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 18:57:55,392 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 18:57:55,393 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 18:57:55,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706912443] [2022-01-10 18:57:55,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706912443] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 18:57:55,394 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 18:57:55,394 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 18:57:55,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302501960] [2022-01-10 18:57:55,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 18:57:55,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 18:57:55,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 18:57:55,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 18:57:55,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 18:57:55,431 INFO L87 Difference]: Start difference. First operand has 158 states, 156 states have (on average 1.7115384615384615) internal successors, (267), 157 states have internal predecessors, (267), 0 states have call successors, (0), 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 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states 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 18:57:55,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 18:57:55,509 INFO L93 Difference]: Finished difference Result 375 states and 611 transitions. [2022-01-10 18:57:55,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 18:57:55,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 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 73 [2022-01-10 18:57:55,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 18:57:55,529 INFO L225 Difference]: With dead ends: 375 [2022-01-10 18:57:55,530 INFO L226 Difference]: Without dead ends: 255 [2022-01-10 18:57:55,532 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 18:57:55,535 INFO L933 BasicCegarLoop]: 423 mSDtfsCounter, 204 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 18:57:55,536 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [204 Valid, 601 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 18:57:55,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2022-01-10 18:57:55,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 253. [2022-01-10 18:57:55,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 252 states have (on average 1.5) internal successors, (378), 252 states have internal predecessors, (378), 0 states have call successors, (0), 0 states 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 18:57:55,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 378 transitions. [2022-01-10 18:57:55,589 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 378 transitions. Word has length 73 [2022-01-10 18:57:55,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 18:57:55,590 INFO L470 AbstractCegarLoop]: Abstraction has 253 states and 378 transitions. [2022-01-10 18:57:55,590 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states 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 18:57:55,590 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 378 transitions. [2022-01-10 18:57:55,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-01-10 18:57:55,602 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 18:57:55,602 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 18:57:55,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 18:57:55,603 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 18:57:55,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 18:57:55,603 INFO L85 PathProgramCache]: Analyzing trace with hash 562579391, now seen corresponding path program 1 times [2022-01-10 18:57:55,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 18:57:55,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420001381] [2022-01-10 18:57:55,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 18:57:55,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 18:57:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 18:57:55,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 18:57:55,835 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 18:57:55,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420001381] [2022-01-10 18:57:55,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420001381] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 18:57:55,836 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 18:57:55,837 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 18:57:55,837 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299753195] [2022-01-10 18:57:55,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 18:57:55,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 18:57:55,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 18:57:55,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 18:57:55,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 18:57:55,843 INFO L87 Difference]: Start difference. First operand 253 states and 378 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states 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 18:57:55,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 18:57:55,890 INFO L93 Difference]: Finished difference Result 639 states and 994 transitions. [2022-01-10 18:57:55,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 18:57:55,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 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 73 [2022-01-10 18:57:55,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 18:57:55,896 INFO L225 Difference]: With dead ends: 639 [2022-01-10 18:57:55,896 INFO L226 Difference]: Without dead ends: 430 [2022-01-10 18:57:55,897 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 18:57:55,898 INFO L933 BasicCegarLoop]: 357 mSDtfsCounter, 161 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 18:57:55,899 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [161 Valid, 523 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 18:57:55,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2022-01-10 18:57:55,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 428. [2022-01-10 18:57:55,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 427 states have (on average 1.5386416861826697) internal successors, (657), 427 states have internal predecessors, (657), 0 states have call successors, (0), 0 states 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 18:57:55,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 657 transitions. [2022-01-10 18:57:55,925 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 657 transitions. Word has length 73 [2022-01-10 18:57:55,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 18:57:55,926 INFO L470 AbstractCegarLoop]: Abstraction has 428 states and 657 transitions. [2022-01-10 18:57:55,926 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states 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 18:57:55,926 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 657 transitions. [2022-01-10 18:57:55,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-01-10 18:57:55,927 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 18:57:55,927 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:57:55,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 18:57:55,927 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 18:57:55,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 18:57:55,928 INFO L85 PathProgramCache]: Analyzing trace with hash 2119985471, now seen corresponding path program 1 times [2022-01-10 18:57:55,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 18:57:55,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695289286] [2022-01-10 18:57:55,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 18:57:55,929 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 18:57:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 18:57:56,120 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 18:57:56,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 18:57:56,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695289286] [2022-01-10 18:57:56,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695289286] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 18:57:56,121 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 18:57:56,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 18:57:56,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058106893] [2022-01-10 18:57:56,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 18:57:56,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 18:57:56,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 18:57:56,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 18:57:56,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 18:57:56,123 INFO L87 Difference]: Start difference. First operand 428 states and 657 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states 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 18:57:56,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 18:57:56,178 INFO L93 Difference]: Finished difference Result 1132 states and 1779 transitions. [2022-01-10 18:57:56,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 18:57:56,179 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 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 74 [2022-01-10 18:57:56,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 18:57:56,182 INFO L225 Difference]: With dead ends: 1132 [2022-01-10 18:57:56,182 INFO L226 Difference]: Without dead ends: 748 [2022-01-10 18:57:56,183 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 18:57:56,185 INFO L933 BasicCegarLoop]: 338 mSDtfsCounter, 156 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 18:57:56,185 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 508 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 18:57:56,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2022-01-10 18:57:56,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 746. [2022-01-10 18:57:56,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 746 states, 745 states have (on average 1.5583892617449664) internal successors, (1161), 745 states have internal predecessors, (1161), 0 states have call successors, (0), 0 states 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 18:57:56,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1161 transitions. [2022-01-10 18:57:56,215 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1161 transitions. Word has length 74 [2022-01-10 18:57:56,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 18:57:56,215 INFO L470 AbstractCegarLoop]: Abstraction has 746 states and 1161 transitions. [2022-01-10 18:57:56,215 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states 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 18:57:56,215 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1161 transitions. [2022-01-10 18:57:56,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-01-10 18:57:56,216 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 18:57:56,216 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 18:57:56,217 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 18:57:56,217 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 18:57:56,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 18:57:56,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1767197248, now seen corresponding path program 1 times [2022-01-10 18:57:56,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 18:57:56,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22505284] [2022-01-10 18:57:56,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 18:57:56,218 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 18:57:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 18:57:56,363 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 18:57:56,363 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 18:57:56,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22505284] [2022-01-10 18:57:56,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22505284] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 18:57:56,364 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 18:57:56,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 18:57:56,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667281183] [2022-01-10 18:57:56,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 18:57:56,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 18:57:56,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 18:57:56,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 18:57:56,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 18:57:56,367 INFO L87 Difference]: Start difference. First operand 746 states and 1161 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states 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 18:57:56,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 18:57:56,403 INFO L93 Difference]: Finished difference Result 2022 states and 3187 transitions. [2022-01-10 18:57:56,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 18:57:56,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 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 75 [2022-01-10 18:57:56,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 18:57:56,409 INFO L225 Difference]: With dead ends: 2022 [2022-01-10 18:57:56,410 INFO L226 Difference]: Without dead ends: 1320 [2022-01-10 18:57:56,411 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 18:57:56,420 INFO L933 BasicCegarLoop]: 319 mSDtfsCounter, 151 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 18:57:56,421 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 493 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 18:57:56,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2022-01-10 18:57:56,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1318. [2022-01-10 18:57:56,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1318 states, 1317 states have (on average 1.5649202733485195) internal successors, (2061), 1317 states have internal predecessors, (2061), 0 states have call successors, (0), 0 states 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 18:57:56,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1318 states and 2061 transitions. [2022-01-10 18:57:56,461 INFO L78 Accepts]: Start accepts. Automaton has 1318 states and 2061 transitions. Word has length 75 [2022-01-10 18:57:56,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 18:57:56,462 INFO L470 AbstractCegarLoop]: Abstraction has 1318 states and 2061 transitions. [2022-01-10 18:57:56,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states 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 18:57:56,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 2061 transitions. [2022-01-10 18:57:56,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-01-10 18:57:56,463 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 18:57:56,463 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 18:57:56,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 18:57:56,464 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 18:57:56,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 18:57:56,464 INFO L85 PathProgramCache]: Analyzing trace with hash -372416544, now seen corresponding path program 1 times [2022-01-10 18:57:56,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 18:57:56,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677983728] [2022-01-10 18:57:56,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 18:57:56,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 18:57:56,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 18:57:56,623 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 18:57:56,623 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 18:57:56,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677983728] [2022-01-10 18:57:56,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677983728] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 18:57:56,624 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 18:57:56,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 18:57:56,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026140176] [2022-01-10 18:57:56,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 18:57:56,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 18:57:56,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 18:57:56,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 18:57:56,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 18:57:56,625 INFO L87 Difference]: Start difference. First operand 1318 states and 2061 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 18:57:56,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 18:57:56,684 INFO L93 Difference]: Finished difference Result 3610 states and 5679 transitions. [2022-01-10 18:57:56,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 18:57:56,685 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 76 [2022-01-10 18:57:56,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 18:57:56,695 INFO L225 Difference]: With dead ends: 3610 [2022-01-10 18:57:56,695 INFO L226 Difference]: Without dead ends: 2336 [2022-01-10 18:57:56,697 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 18:57:56,701 INFO L933 BasicCegarLoop]: 300 mSDtfsCounter, 146 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 18:57:56,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 478 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 18:57:56,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2336 states. [2022-01-10 18:57:56,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2336 to 2334. [2022-01-10 18:57:56,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2334 states, 2333 states have (on average 1.5623660522931848) internal successors, (3645), 2333 states have internal predecessors, (3645), 0 states have call successors, (0), 0 states 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 18:57:56,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2334 states to 2334 states and 3645 transitions. [2022-01-10 18:57:56,804 INFO L78 Accepts]: Start accepts. Automaton has 2334 states and 3645 transitions. Word has length 76 [2022-01-10 18:57:56,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 18:57:56,806 INFO L470 AbstractCegarLoop]: Abstraction has 2334 states and 3645 transitions. [2022-01-10 18:57:56,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 18:57:56,808 INFO L276 IsEmpty]: Start isEmpty. Operand 2334 states and 3645 transitions. [2022-01-10 18:57:56,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-01-10 18:57:56,815 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 18:57:56,816 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 18:57:56,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 18:57:56,816 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 18:57:56,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 18:57:56,816 INFO L85 PathProgramCache]: Analyzing trace with hash 60344513, now seen corresponding path program 1 times [2022-01-10 18:57:56,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 18:57:56,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426591025] [2022-01-10 18:57:56,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 18:57:56,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 18:57:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 18:57:56,960 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 18:57:56,960 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 18:57:56,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426591025] [2022-01-10 18:57:56,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426591025] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 18:57:56,960 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 18:57:56,960 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 18:57:56,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853184976] [2022-01-10 18:57:56,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 18:57:56,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 18:57:56,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 18:57:56,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 18:57:56,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 18:57:56,962 INFO L87 Difference]: Start difference. First operand 2334 states and 3645 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 18:57:57,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 18:57:57,056 INFO L93 Difference]: Finished difference Result 6402 states and 10015 transitions. [2022-01-10 18:57:57,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 18:57:57,057 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 77 [2022-01-10 18:57:57,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 18:57:57,072 INFO L225 Difference]: With dead ends: 6402 [2022-01-10 18:57:57,072 INFO L226 Difference]: Without dead ends: 4112 [2022-01-10 18:57:57,077 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 18:57:57,078 INFO L933 BasicCegarLoop]: 281 mSDtfsCounter, 141 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-10 18:57:57,078 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [141 Valid, 463 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-10 18:57:57,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4112 states. [2022-01-10 18:57:57,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4112 to 4110. [2022-01-10 18:57:57,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4110 states, 4109 states have (on average 1.5529325870041373) internal successors, (6381), 4109 states have internal predecessors, (6381), 0 states have call successors, (0), 0 states 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 18:57:57,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4110 states to 4110 states and 6381 transitions. [2022-01-10 18:57:57,225 INFO L78 Accepts]: Start accepts. Automaton has 4110 states and 6381 transitions. Word has length 77 [2022-01-10 18:57:57,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 18:57:57,226 INFO L470 AbstractCegarLoop]: Abstraction has 4110 states and 6381 transitions. [2022-01-10 18:57:57,226 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 18:57:57,226 INFO L276 IsEmpty]: Start isEmpty. Operand 4110 states and 6381 transitions. [2022-01-10 18:57:57,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-01-10 18:57:57,227 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 18:57:57,227 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 18:57:57,227 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-10 18:57:57,227 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 18:57:57,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 18:57:57,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1328745599, now seen corresponding path program 1 times [2022-01-10 18:57:57,228 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 18:57:57,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294189362] [2022-01-10 18:57:57,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 18:57:57,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 18:57:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 18:57:57,527 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 18:57:57,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 18:57:57,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294189362] [2022-01-10 18:57:57,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294189362] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 18:57:57,528 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 18:57:57,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-10 18:57:57,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352458353] [2022-01-10 18:57:57,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 18:57:57,529 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 18:57:57,529 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 18:57:57,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 18:57:57,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-10 18:57:57,530 INFO L87 Difference]: Start difference. First operand 4110 states and 6381 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states 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 18:58:03,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 18:58:03,938 INFO L93 Difference]: Finished difference Result 59886 states and 92957 transitions. [2022-01-10 18:58:03,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-01-10 18:58:03,939 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 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 78 [2022-01-10 18:58:03,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 18:58:04,113 INFO L225 Difference]: With dead ends: 59886 [2022-01-10 18:58:04,114 INFO L226 Difference]: Without dead ends: 55820 [2022-01-10 18:58:04,145 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=158, Invalid=348, Unknown=0, NotChecked=0, Total=506 [2022-01-10 18:58:04,146 INFO L933 BasicCegarLoop]: 635 mSDtfsCounter, 2524 mSDsluCounter, 3277 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2524 SdHoareTripleChecker+Valid, 3912 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 18:58:04,146 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2524 Valid, 3912 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 18:58:04,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55820 states. [2022-01-10 18:58:06,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55820 to 22670. [2022-01-10 18:58:06,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22670 states, 22669 states have (on average 1.5491199435352243) internal successors, (35117), 22669 states have internal predecessors, (35117), 0 states have call successors, (0), 0 states 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 18:58:06,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22670 states to 22670 states and 35117 transitions. [2022-01-10 18:58:06,865 INFO L78 Accepts]: Start accepts. Automaton has 22670 states and 35117 transitions. Word has length 78 [2022-01-10 18:58:06,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 18:58:06,865 INFO L470 AbstractCegarLoop]: Abstraction has 22670 states and 35117 transitions. [2022-01-10 18:58:06,866 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 0 states have call successors, (0), 0 states 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 18:58:06,866 INFO L276 IsEmpty]: Start isEmpty. Operand 22670 states and 35117 transitions. [2022-01-10 18:58:06,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-01-10 18:58:06,867 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 18:58:06,868 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 18:58:06,868 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-10 18:58:06,868 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 18:58:06,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 18:58:06,869 INFO L85 PathProgramCache]: Analyzing trace with hash -662449943, now seen corresponding path program 1 times [2022-01-10 18:58:06,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 18:58:06,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422080360] [2022-01-10 18:58:06,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 18:58:06,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 18:58:07,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 18:58:07,434 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 18:58:07,435 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 18:58:07,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422080360] [2022-01-10 18:58:07,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422080360] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 18:58:07,435 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 18:58:07,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-10 18:58:07,435 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708371729] [2022-01-10 18:58:07,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 18:58:07,436 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-01-10 18:58:07,436 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 18:58:07,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-01-10 18:58:07,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-01-10 18:58:07,437 INFO L87 Difference]: Start difference. First operand 22670 states and 35117 transitions. Second operand has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 18:58:38,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 18:58:38,478 INFO L93 Difference]: Finished difference Result 162332 states and 251572 transitions. [2022-01-10 18:58:38,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-10 18:58:38,480 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.0) internal successors, (80), 8 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-01-10 18:58:38,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 18:58:38,805 INFO L225 Difference]: With dead ends: 162332 [2022-01-10 18:58:38,806 INFO L226 Difference]: Without dead ends: 139706 [2022-01-10 18:58:38,873 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-01-10 18:58:38,874 INFO L933 BasicCegarLoop]: 219 mSDtfsCounter, 2028 mSDsluCounter, 3475 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2028 SdHoareTripleChecker+Valid, 3694 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 18:58:38,874 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2028 Valid, 3694 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 18:58:39,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139706 states.