/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCInlineTransformed.xml -s ../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-11 04:09:35,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-11 04:09:35,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-11 04:09:35,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-11 04:09:35,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-11 04:09:35,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-11 04:09:35,249 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-11 04:09:35,264 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-11 04:09:35,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-11 04:09:35,275 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-11 04:09:35,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-11 04:09:35,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-11 04:09:35,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-11 04:09:35,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-11 04:09:35,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-11 04:09:35,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-11 04:09:35,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-11 04:09:35,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-11 04:09:35,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-11 04:09:35,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-11 04:09:35,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-11 04:09:35,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-11 04:09:35,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-11 04:09:35,296 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-11 04:09:35,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-11 04:09:35,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-11 04:09:35,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-11 04:09:35,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-11 04:09:35,303 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-11 04:09:35,304 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-11 04:09:35,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-11 04:09:35,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-11 04:09:35,306 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-11 04:09:35,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-11 04:09:35,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-11 04:09:35,308 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-11 04:09:35,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-11 04:09:35,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-11 04:09:35,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-11 04:09:35,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-11 04:09:35,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-11 04:09:35,310 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_SUM.epf [2022-01-11 04:09:35,337 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-11 04:09:35,337 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-11 04:09:35,337 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-11 04:09:35,337 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-11 04:09:35,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-11 04:09:35,338 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-11 04:09:35,338 INFO L138 SettingsManager]: * Use SBE=true [2022-01-11 04:09:35,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-11 04:09:35,338 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-11 04:09:35,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-11 04:09:35,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-11 04:09:35,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-11 04:09:35,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-11 04:09:35,339 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-11 04:09:35,339 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-11 04:09:35,339 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-11 04:09:35,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-11 04:09:35,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-11 04:09:35,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-11 04:09:35,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-11 04:09:35,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-11 04:09:35,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 04:09:35,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-11 04:09:35,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-11 04:09:35,340 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-11 04:09:35,340 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-11 04:09:35,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-11 04:09:35,340 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-11 04:09:35,341 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-11 04:09:35,341 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-11 04:09:35,341 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-11 04:09:35,341 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-11 04:09:35,341 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-11 04:09:35,342 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_SUM WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-11 04:09:35,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-11 04:09:35,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-11 04:09:35,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-11 04:09:35,550 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-11 04:09:35,550 INFO L275 PluginConnector]: CDTParser initialized [2022-01-11 04:09:35,551 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label26.c [2022-01-11 04:09:35,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c12aed13/970a9ad7b249429a95d83ebdc119b9fd/FLAG163ff0980 [2022-01-11 04:09:36,059 INFO L306 CDTParser]: Found 1 translation units. [2022-01-11 04:09:36,060 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label26.c [2022-01-11 04:09:36,077 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c12aed13/970a9ad7b249429a95d83ebdc119b9fd/FLAG163ff0980 [2022-01-11 04:09:36,578 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c12aed13/970a9ad7b249429a95d83ebdc119b9fd [2022-01-11 04:09:36,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-11 04:09:36,581 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-11 04:09:36,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-11 04:09:36,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-11 04:09:36,585 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-11 04:09:36,586 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 04:09:36" (1/1) ... [2022-01-11 04:09:36,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66a81751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 04:09:36, skipping insertion in model container [2022-01-11 04:09:36,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 04:09:36" (1/1) ... [2022-01-11 04:09:36,591 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-11 04:09:36,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-11 04:09:36,802 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label26.c[2078,2091] [2022-01-11 04:09:36,971 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 04:09:36,980 INFO L203 MainTranslator]: Completed pre-run [2022-01-11 04:09:37,000 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label26.c[2078,2091] [2022-01-11 04:09:37,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-11 04:09:37,088 INFO L208 MainTranslator]: Completed translation [2022-01-11 04:09:37,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 04:09:37 WrapperNode [2022-01-11 04:09:37,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-11 04:09:37,090 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-11 04:09:37,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-11 04:09:37,090 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-11 04:09:37,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 04:09:37" (1/1) ... [2022-01-11 04:09:37,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 04:09:37" (1/1) ... [2022-01-11 04:09:37,150 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 595 [2022-01-11 04:09:37,150 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-11 04:09:37,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-11 04:09:37,151 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-11 04:09:37,151 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-11 04:09:37,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 04:09:37" (1/1) ... [2022-01-11 04:09:37,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 04:09:37" (1/1) ... [2022-01-11 04:09:37,167 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 04:09:37" (1/1) ... [2022-01-11 04:09:37,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 04:09:37" (1/1) ... [2022-01-11 04:09:37,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 04:09:37" (1/1) ... [2022-01-11 04:09:37,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 04:09:37" (1/1) ... [2022-01-11 04:09:37,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 04:09:37" (1/1) ... [2022-01-11 04:09:37,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-11 04:09:37,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-11 04:09:37,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-11 04:09:37,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-11 04:09:37,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 04:09:37" (1/1) ... [2022-01-11 04:09:37,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-11 04:09:37,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-11 04:09:37,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-11 04:09:37,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-11 04:09:37,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-11 04:09:37,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-11 04:09:37,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-11 04:09:37,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-11 04:09:37,354 INFO L234 CfgBuilder]: Building ICFG [2022-01-11 04:09:37,355 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-11 04:09:39,330 INFO L275 CfgBuilder]: Performing block encoding [2022-01-11 04:09:39,336 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-11 04:09:39,336 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-11 04:09:39,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 04:09:39 BoogieIcfgContainer [2022-01-11 04:09:39,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-11 04:09:39,338 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-11 04:09:39,339 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-11 04:09:39,341 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-11 04:09:39,343 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 04:09:39" (1/1) ... [2022-01-11 04:09:39,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 04:09:39 BasicIcfg [2022-01-11 04:09:39,594 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-11 04:09:39,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-11 04:09:39,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-11 04:09:39,598 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-11 04:09:39,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 04:09:36" (1/4) ... [2022-01-11 04:09:39,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a8d8ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 04:09:39, skipping insertion in model container [2022-01-11 04:09:39,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 04:09:37" (2/4) ... [2022-01-11 04:09:39,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a8d8ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 04:09:39, skipping insertion in model container [2022-01-11 04:09:39,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 04:09:39" (3/4) ... [2022-01-11 04:09:39,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61a8d8ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 04:09:39, skipping insertion in model container [2022-01-11 04:09:39,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 11.01 04:09:39" (4/4) ... [2022-01-11 04:09:39,600 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label26.cTransformedIcfg [2022-01-11 04:09:39,604 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-11 04:09:39,604 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-11 04:09:39,647 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-11 04:09:39,654 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-11 04:09:39,654 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-11 04:09:39,668 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 04:09:39,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-01-11 04:09:39,672 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 04:09:39,673 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 04:09:39,673 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 04:09:39,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 04:09:39,676 INFO L85 PathProgramCache]: Analyzing trace with hash -583589962, now seen corresponding path program 1 times [2022-01-11 04:09:39,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 04:09:39,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666953761] [2022-01-11 04:09:39,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 04:09:39,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 04:09:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 04:09:39,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 04:09:39,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 04:09:39,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666953761] [2022-01-11 04:09:39,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666953761] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 04:09:39,909 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 04:09:39,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-11 04:09:39,910 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132712947] [2022-01-11 04:09:39,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 04:09:39,913 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 04:09:39,913 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 04:09:39,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 04:09:39,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 04:09:39,947 INFO L87 Difference]: Start difference. First operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 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 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 04:09:42,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:09:44,414 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:09:46,636 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:09:48,775 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:09:50,946 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:09:53,066 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:09:55,361 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:09:57,521 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:09:59,654 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:10:01,823 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:10:04,033 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:10:06,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:10:08,362 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:10:10,509 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:10:12,656 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:10:14,789 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:10:16,939 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:10:19,129 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:10:21,234 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:10:23,368 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:10:25,484 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:10:27,630 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:10:29,760 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:10:31,903 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:10:34,046 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:10:36,198 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:10:38,336 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:10:40,506 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:10:42,693 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:10:44,840 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:10:46,985 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:10:47,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-11 04:10:47,146 INFO L93 Difference]: Finished difference Result 552 states and 966 transitions. [2022-01-11 04:10:47,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-11 04:10:47,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 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 16 [2022-01-11 04:10:47,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-11 04:10:47,156 INFO L225 Difference]: With dead ends: 552 [2022-01-11 04:10:47,156 INFO L226 Difference]: Without dead ends: 282 [2022-01-11 04:10:47,159 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 04:10:47,161 INFO L933 BasicCegarLoop]: 113 mSDtfsCounter, 145 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 126 mSolverCounterUnsat, 31 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 63.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 31 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.1s IncrementalHoareTripleChecker+Time [2022-01-11 04:10:47,161 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 120 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 377 Invalid, 31 Unknown, 0 Unchecked, 67.1s Time] [2022-01-11 04:10:47,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-01-11 04:10:47,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2022-01-11 04:10:47,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.3416370106761566) internal successors, (377), 281 states have internal predecessors, (377), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 04:10:47,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 377 transitions. [2022-01-11 04:10:47,205 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 377 transitions. Word has length 16 [2022-01-11 04:10:47,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-11 04:10:47,206 INFO L470 AbstractCegarLoop]: Abstraction has 282 states and 377 transitions. [2022-01-11 04:10:47,206 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 04:10:47,206 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 377 transitions. [2022-01-11 04:10:47,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-01-11 04:10:47,208 INFO L506 BasicCegarLoop]: Found error trace [2022-01-11 04:10:47,208 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-11 04:10:47,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-11 04:10:47,208 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-11 04:10:47,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-11 04:10:47,209 INFO L85 PathProgramCache]: Analyzing trace with hash -921463882, now seen corresponding path program 1 times [2022-01-11 04:10:47,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-11 04:10:47,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362489393] [2022-01-11 04:10:47,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-11 04:10:47,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-11 04:10:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-11 04:10:47,351 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-11 04:10:47,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-11 04:10:47,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362489393] [2022-01-11 04:10:47,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362489393] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-11 04:10:47,352 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-11 04:10:47,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-11 04:10:47,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094698147] [2022-01-11 04:10:47,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-11 04:10:47,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-11 04:10:47,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-11 04:10:47,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-11 04:10:47,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-11 04:10:47,354 INFO L87 Difference]: Start difference. First operand 282 states and 377 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-11 04:10:49,495 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:10:51,643 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:10:53,800 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-01-11 04:10:55,938 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers []