/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_BITWISE.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label51.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 10:08:27,045 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 10:08:27,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 10:08:27,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 10:08:27,088 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 10:08:27,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 10:08:27,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 10:08:27,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 10:08:27,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 10:08:27,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 10:08:27,104 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 10:08:27,105 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 10:08:27,105 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 10:08:27,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 10:08:27,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 10:08:27,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 10:08:27,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 10:08:27,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 10:08:27,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 10:08:27,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 10:08:27,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 10:08:27,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 10:08:27,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 10:08:27,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 10:08:27,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 10:08:27,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 10:08:27,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 10:08:27,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 10:08:27,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 10:08:27,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 10:08:27,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 10:08:27,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 10:08:27,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 10:08:27,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 10:08:27,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 10:08:27,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 10:08:27,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 10:08:27,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 10:08:27,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 10:08:27,132 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 10:08:27,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 10:08:27,133 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/BvToInt/svcomp-Reach-64bit-Automizer_BvToInt_BITWISE.epf [2022-01-10 10:08:27,162 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 10:08:27,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 10:08:27,163 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 10:08:27,163 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 10:08:27,164 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 10:08:27,164 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 10:08:27,164 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 10:08:27,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 10:08:27,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 10:08:27,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 10:08:27,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 10:08:27,165 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 10:08:27,165 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 10:08:27,165 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 10:08:27,165 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 10:08:27,165 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 10:08:27,165 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 10:08:27,166 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 10:08:27,166 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 10:08:27,166 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 10:08:27,166 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 10:08:27,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 10:08:27,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 10:08:27,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 10:08:27,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 10:08:27,166 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 10:08:27,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 10:08:27,166 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 10:08:27,167 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 10:08:27,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 10:08:27,167 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 10:08:27,167 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 10:08:27,167 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 10:08:27,168 INFO L138 SettingsManager]: * TransformationType=BV_TO_INT_BITWISE 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 10:08:27,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 10:08:27,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 10:08:27,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 10:08:27,399 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 10:08:27,400 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 10:08:27,400 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label51.c [2022-01-10 10:08:27,444 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1f63a965/fd8c0a49c15646f99e0e7b3742cb2d9a/FLAG6333fa897 [2022-01-10 10:08:27,894 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 10:08:27,895 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label51.c [2022-01-10 10:08:27,913 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1f63a965/fd8c0a49c15646f99e0e7b3742cb2d9a/FLAG6333fa897 [2022-01-10 10:08:28,422 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e1f63a965/fd8c0a49c15646f99e0e7b3742cb2d9a [2022-01-10 10:08:28,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 10:08:28,425 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 10:08:28,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 10:08:28,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 10:08:28,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 10:08:28,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 10:08:28" (1/1) ... [2022-01-10 10:08:28,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@480c0387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:08:28, skipping insertion in model container [2022-01-10 10:08:28,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 10:08:28" (1/1) ... [2022-01-10 10:08:28,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 10:08:28,474 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 10:08:28,692 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/Problem01_label51.c[18730,18743] [2022-01-10 10:08:28,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 10:08:28,729 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 10:08:28,782 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/Problem01_label51.c[18730,18743] [2022-01-10 10:08:28,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 10:08:28,810 INFO L208 MainTranslator]: Completed translation [2022-01-10 10:08:28,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:08:28 WrapperNode [2022-01-10 10:08:28,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 10:08:28,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 10:08:28,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 10:08:28,812 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 10:08:28,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:08:28" (1/1) ... [2022-01-10 10:08:28,838 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:08:28" (1/1) ... [2022-01-10 10:08:28,880 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 655 [2022-01-10 10:08:28,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 10:08:28,881 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 10:08:28,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 10:08:28,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 10:08:28,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:08:28" (1/1) ... [2022-01-10 10:08:28,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:08:28" (1/1) ... [2022-01-10 10:08:28,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:08:28" (1/1) ... [2022-01-10 10:08:28,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:08:28" (1/1) ... [2022-01-10 10:08:28,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:08:28" (1/1) ... [2022-01-10 10:08:28,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:08:28" (1/1) ... [2022-01-10 10:08:28,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:08:28" (1/1) ... [2022-01-10 10:08:28,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 10:08:28,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 10:08:28,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 10:08:28,953 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 10:08:28,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:08:28" (1/1) ... [2022-01-10 10:08:28,959 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 10:08:28,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 10:08:29,037 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 10:08:29,056 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 10:08:29,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 10:08:29,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 10:08:29,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 10:08:29,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 10:08:29,130 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 10:08:29,131 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 10:08:29,805 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 10:08:29,814 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 10:08:29,814 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 10:08:29,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 10:08:29 BoogieIcfgContainer [2022-01-10 10:08:29,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 10:08:29,817 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 10:08:29,817 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 10:08:29,818 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 10:08:29,820 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 10:08:29" (1/1) ... [2022-01-10 10:08:30,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 10:08:30 BasicIcfg [2022-01-10 10:08:30,041 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 10:08:30,042 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 10:08:30,042 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 10:08:30,044 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 10:08:30,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 10:08:28" (1/4) ... [2022-01-10 10:08:30,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65cb6987 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 10:08:30, skipping insertion in model container [2022-01-10 10:08:30,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:08:28" (2/4) ... [2022-01-10 10:08:30,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65cb6987 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 10:08:30, skipping insertion in model container [2022-01-10 10:08:30,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 10:08:29" (3/4) ... [2022-01-10 10:08:30,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65cb6987 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 10:08:30, skipping insertion in model container [2022-01-10 10:08:30,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 10:08:30" (4/4) ... [2022-01-10 10:08:30,046 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label51.cTransformedIcfg [2022-01-10 10:08:30,050 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 10:08:30,050 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 10:08:30,095 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 10:08:30,101 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 10:08:30,101 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 10:08:30,115 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 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 10:08:30,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-01-10 10:08:30,125 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:08:30,126 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 10:08:30,126 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:08:30,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:08:30,130 INFO L85 PathProgramCache]: Analyzing trace with hash 26551645, now seen corresponding path program 1 times [2022-01-10 10:08:30,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:08:30,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431583194] [2022-01-10 10:08:30,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:08:30,137 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:08:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:08:30,527 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 10:08:30,527 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:08:30,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431583194] [2022-01-10 10:08:30,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431583194] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:08:30,528 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:08:30,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 10:08:30,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380952823] [2022-01-10 10:08:30,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:08:30,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:08:30,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:08:30,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:08:30,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:08:30,553 INFO L87 Difference]: Start difference. First operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 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 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:08:31,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:08:31,175 INFO L93 Difference]: Finished difference Result 528 states and 915 transitions. [2022-01-10 10:08:31,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:08:31,177 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2022-01-10 10:08:31,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:08:31,185 INFO L225 Difference]: With dead ends: 528 [2022-01-10 10:08:31,185 INFO L226 Difference]: Without dead ends: 266 [2022-01-10 10:08:31,188 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 [2022-01-10 10:08:31,190 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 66 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 10:08:31,193 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 84 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 10:08:31,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-01-10 10:08:31,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2022-01-10 10:08:31,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 265 states have (on average 1.4339622641509433) internal successors, (380), 265 states have internal predecessors, (380), 0 states have call successors, (0), 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 10:08:31,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2022-01-10 10:08:31,255 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 106 [2022-01-10 10:08:31,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:08:31,255 INFO L470 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2022-01-10 10:08:31,255 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 2 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:08:31,256 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2022-01-10 10:08:31,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-01-10 10:08:31,257 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:08:31,257 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:08:31,257 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 10:08:31,257 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:08:31,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:08:31,258 INFO L85 PathProgramCache]: Analyzing trace with hash 777598624, now seen corresponding path program 1 times [2022-01-10 10:08:31,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:08:31,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592594791] [2022-01-10 10:08:31,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:08:31,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:08:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:08:31,312 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:08:31,313 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:08:31,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592594791] [2022-01-10 10:08:31,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592594791] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:08:31,313 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:08:31,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 10:08:31,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702415667] [2022-01-10 10:08:31,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:08:31,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:08:31,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:08:31,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:08:31,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:08:31,315 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 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 10:08:31,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:08:31,773 INFO L93 Difference]: Finished difference Result 792 states and 1135 transitions. [2022-01-10 10:08:31,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:08:31,774 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 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 112 [2022-01-10 10:08:31,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:08:31,777 INFO L225 Difference]: With dead ends: 792 [2022-01-10 10:08:31,777 INFO L226 Difference]: Without dead ends: 528 [2022-01-10 10:08:31,778 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 [2022-01-10 10:08:31,779 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 145 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 10:08:31,779 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [145 Valid, 17 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 10:08:31,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2022-01-10 10:08:31,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2022-01-10 10:08:31,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.413662239089184) internal successors, (745), 527 states have internal predecessors, (745), 0 states have call successors, (0), 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 10:08:31,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 745 transitions. [2022-01-10 10:08:31,801 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 745 transitions. Word has length 112 [2022-01-10 10:08:31,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:08:31,801 INFO L470 AbstractCegarLoop]: Abstraction has 528 states and 745 transitions. [2022-01-10 10:08:31,801 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 2 states have internal predecessors, (112), 0 states have call successors, (0), 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 10:08:31,801 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 745 transitions. [2022-01-10 10:08:31,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-01-10 10:08:31,807 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:08:31,807 INFO L514 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:08:31,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 10:08:31,808 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:08:31,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:08:31,808 INFO L85 PathProgramCache]: Analyzing trace with hash 1942929129, now seen corresponding path program 1 times [2022-01-10 10:08:31,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:08:31,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343584091] [2022-01-10 10:08:31,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:08:31,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:08:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:08:32,028 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:08:32,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:08:32,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343584091] [2022-01-10 10:08:32,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343584091] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:08:32,030 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:08:32,030 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:08:32,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437908566] [2022-01-10 10:08:32,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:08:32,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 10:08:32,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:08:32,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 10:08:32,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 10:08:32,032 INFO L87 Difference]: Start difference. First operand 528 states and 745 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 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 10:08:32,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:08:32,671 INFO L93 Difference]: Finished difference Result 1542 states and 2206 transitions. [2022-01-10 10:08:32,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 10:08:32,671 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 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 113 [2022-01-10 10:08:32,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:08:32,674 INFO L225 Difference]: With dead ends: 1542 [2022-01-10 10:08:32,674 INFO L226 Difference]: Without dead ends: 921 [2022-01-10 10:08:32,677 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 10:08:32,678 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 128 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 10:08:32,678 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [128 Valid, 83 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 10:08:32,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2022-01-10 10:08:32,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 659. [2022-01-10 10:08:32,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 658 states have (on average 1.2294832826747721) internal successors, (809), 658 states have internal predecessors, (809), 0 states have call successors, (0), 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 10:08:32,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 809 transitions. [2022-01-10 10:08:32,692 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 809 transitions. Word has length 113 [2022-01-10 10:08:32,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:08:32,693 INFO L470 AbstractCegarLoop]: Abstraction has 659 states and 809 transitions. [2022-01-10 10:08:32,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 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 10:08:32,693 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 809 transitions. [2022-01-10 10:08:32,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-01-10 10:08:32,694 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:08:32,700 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:08:32,700 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 10:08:32,700 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:08:32,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:08:32,701 INFO L85 PathProgramCache]: Analyzing trace with hash 256596384, now seen corresponding path program 1 times [2022-01-10 10:08:32,701 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:08:32,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356673865] [2022-01-10 10:08:32,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:08:32,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:08:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:08:32,769 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 10:08:32,769 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:08:32,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356673865] [2022-01-10 10:08:32,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356673865] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:08:32,769 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:08:32,769 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 10:08:32,770 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26055370] [2022-01-10 10:08:32,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:08:32,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:08:32,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:08:32,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:08:32,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:08:32,771 INFO L87 Difference]: Start difference. First operand 659 states and 809 transitions. Second operand has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:08:33,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:08:33,085 INFO L93 Difference]: Finished difference Result 1578 states and 1933 transitions. [2022-01-10 10:08:33,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:08:33,085 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2022-01-10 10:08:33,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:08:33,088 INFO L225 Difference]: With dead ends: 1578 [2022-01-10 10:08:33,088 INFO L226 Difference]: Without dead ends: 921 [2022-01-10 10:08:33,089 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 [2022-01-10 10:08:33,090 INFO L933 BasicCegarLoop]: 43 mSDtfsCounter, 124 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 10:08:33,090 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 48 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 10:08:33,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2022-01-10 10:08:33,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 921. [2022-01-10 10:08:33,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 920 states have (on average 1.1891304347826086) internal successors, (1094), 920 states have internal predecessors, (1094), 0 states have call successors, (0), 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 10:08:33,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1094 transitions. [2022-01-10 10:08:33,105 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1094 transitions. Word has length 121 [2022-01-10 10:08:33,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:08:33,105 INFO L470 AbstractCegarLoop]: Abstraction has 921 states and 1094 transitions. [2022-01-10 10:08:33,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.666666666666664) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:08:33,105 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1094 transitions. [2022-01-10 10:08:33,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-01-10 10:08:33,107 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:08:33,107 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:08:33,107 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 10:08:33,107 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:08:33,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:08:33,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1361070790, now seen corresponding path program 1 times [2022-01-10 10:08:33,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:08:33,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510565660] [2022-01-10 10:08:33,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:08:33,108 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:08:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:08:33,171 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 10:08:33,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:08:33,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510565660] [2022-01-10 10:08:33,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510565660] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:08:33,173 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:08:33,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:08:33,173 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149038962] [2022-01-10 10:08:33,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:08:33,174 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:08:33,174 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:08:33,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:08:33,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:08:33,175 INFO L87 Difference]: Start difference. First operand 921 states and 1094 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:08:33,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:08:33,546 INFO L93 Difference]: Finished difference Result 2102 states and 2479 transitions. [2022-01-10 10:08:33,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:08:33,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 136 [2022-01-10 10:08:33,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:08:33,549 INFO L225 Difference]: With dead ends: 2102 [2022-01-10 10:08:33,550 INFO L226 Difference]: Without dead ends: 1183 [2022-01-10 10:08:33,550 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 10:08:33,551 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 121 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 10:08:33,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 191 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 10:08:33,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2022-01-10 10:08:33,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1052. [2022-01-10 10:08:33,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1052 states, 1051 states have (on average 1.1455756422454806) internal successors, (1204), 1051 states have internal predecessors, (1204), 0 states have call successors, (0), 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 10:08:33,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1204 transitions. [2022-01-10 10:08:33,568 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1204 transitions. Word has length 136 [2022-01-10 10:08:33,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:08:33,569 INFO L470 AbstractCegarLoop]: Abstraction has 1052 states and 1204 transitions. [2022-01-10 10:08:33,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:08:33,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1204 transitions. [2022-01-10 10:08:33,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-01-10 10:08:33,578 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:08:33,579 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:08:33,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 10:08:33,579 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:08:33,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:08:33,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1874431156, now seen corresponding path program 1 times [2022-01-10 10:08:33,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:08:33,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470852288] [2022-01-10 10:08:33,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:08:33,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:08:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:08:33,663 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 10:08:33,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:08:33,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470852288] [2022-01-10 10:08:33,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470852288] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:08:33,663 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:08:33,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:08:33,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381108965] [2022-01-10 10:08:33,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:08:33,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:08:33,664 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:08:33,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:08:33,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:08:33,665 INFO L87 Difference]: Start difference. First operand 1052 states and 1204 transitions. Second operand has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 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 10:08:34,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:08:34,011 INFO L93 Difference]: Finished difference Result 2495 states and 2883 transitions. [2022-01-10 10:08:34,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:08:34,012 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 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 150 [2022-01-10 10:08:34,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:08:34,015 INFO L225 Difference]: With dead ends: 2495 [2022-01-10 10:08:34,016 INFO L226 Difference]: Without dead ends: 1445 [2022-01-10 10:08:34,017 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:08:34,018 INFO L933 BasicCegarLoop]: 181 mSDtfsCounter, 121 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 187 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 10:08:34,018 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 187 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 10:08:34,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2022-01-10 10:08:34,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1445. [2022-01-10 10:08:34,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1445 states, 1444 states have (on average 1.123961218836565) internal successors, (1623), 1444 states have internal predecessors, (1623), 0 states have call successors, (0), 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 10:08:34,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1623 transitions. [2022-01-10 10:08:34,037 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1623 transitions. Word has length 150 [2022-01-10 10:08:34,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:08:34,037 INFO L470 AbstractCegarLoop]: Abstraction has 1445 states and 1623 transitions. [2022-01-10 10:08:34,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.333333333333336) internal successors, (148), 3 states have internal predecessors, (148), 0 states have call successors, (0), 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 10:08:34,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1623 transitions. [2022-01-10 10:08:34,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-01-10 10:08:34,039 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:08:34,039 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:08:34,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-10 10:08:34,040 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:08:34,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:08:34,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1836450039, now seen corresponding path program 1 times [2022-01-10 10:08:34,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:08:34,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502161434] [2022-01-10 10:08:34,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:08:34,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:08:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:08:34,115 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-01-10 10:08:34,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:08:34,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502161434] [2022-01-10 10:08:34,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502161434] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:08:34,116 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:08:34,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:08:34,116 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110314225] [2022-01-10 10:08:34,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:08:34,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:08:34,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:08:34,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:08:34,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:08:34,117 INFO L87 Difference]: Start difference. First operand 1445 states and 1623 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 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 10:08:34,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:08:34,458 INFO L93 Difference]: Finished difference Result 3281 states and 3713 transitions. [2022-01-10 10:08:34,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:08:34,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 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 153 [2022-01-10 10:08:34,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:08:34,463 INFO L225 Difference]: With dead ends: 3281 [2022-01-10 10:08:34,463 INFO L226 Difference]: Without dead ends: 1838 [2022-01-10 10:08:34,465 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 10:08:34,466 INFO L933 BasicCegarLoop]: 33 mSDtfsCounter, 124 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 10:08:34,466 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 37 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 10:08:34,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2022-01-10 10:08:34,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1576. [2022-01-10 10:08:34,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1575 states have (on average 1.1301587301587301) internal successors, (1780), 1575 states have internal predecessors, (1780), 0 states have call successors, (0), 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 10:08:34,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1780 transitions. [2022-01-10 10:08:34,488 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1780 transitions. Word has length 153 [2022-01-10 10:08:34,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:08:34,488 INFO L470 AbstractCegarLoop]: Abstraction has 1576 states and 1780 transitions. [2022-01-10 10:08:34,489 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 3 states have internal predecessors, (151), 0 states have call successors, (0), 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 10:08:34,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1780 transitions. [2022-01-10 10:08:34,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-01-10 10:08:34,491 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:08:34,491 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:08:34,491 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-10 10:08:34,492 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:08:34,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:08:34,492 INFO L85 PathProgramCache]: Analyzing trace with hash -556955931, now seen corresponding path program 1 times [2022-01-10 10:08:34,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:08:34,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621662078] [2022-01-10 10:08:34,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:08:34,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:08:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:08:34,561 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:08:34,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:08:34,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621662078] [2022-01-10 10:08:34,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621662078] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:08:34,562 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:08:34,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 10:08:34,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263223910] [2022-01-10 10:08:34,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:08:34,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 10:08:34,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:08:34,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 10:08:34,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 10:08:34,563 INFO L87 Difference]: Start difference. First operand 1576 states and 1780 transitions. Second operand has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 0 states have call successors, (0), 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 10:08:35,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:08:35,102 INFO L93 Difference]: Finished difference Result 3674 states and 4165 transitions. [2022-01-10 10:08:35,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 10:08:35,103 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 0 states have call successors, (0), 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 167 [2022-01-10 10:08:35,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:08:35,108 INFO L225 Difference]: With dead ends: 3674 [2022-01-10 10:08:35,108 INFO L226 Difference]: Without dead ends: 2100 [2022-01-10 10:08:35,110 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 10:08:35,111 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 218 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 603 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 10:08:35,111 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [218 Valid, 22 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 603 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 10:08:35,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2022-01-10 10:08:35,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1838. [2022-01-10 10:08:35,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1837 states have (on average 1.1317365269461077) internal successors, (2079), 1837 states have internal predecessors, (2079), 0 states have call successors, (0), 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 10:08:35,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2079 transitions. [2022-01-10 10:08:35,165 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2079 transitions. Word has length 167 [2022-01-10 10:08:35,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:08:35,166 INFO L470 AbstractCegarLoop]: Abstraction has 1838 states and 2079 transitions. [2022-01-10 10:08:35,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.75) internal successors, (167), 4 states have internal predecessors, (167), 0 states have call successors, (0), 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 10:08:35,166 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2079 transitions. [2022-01-10 10:08:35,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-01-10 10:08:35,169 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:08:35,169 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-01-10 10:08:35,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-10 10:08:35,169 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:08:35,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:08:35,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1671843443, now seen corresponding path program 1 times [2022-01-10 10:08:35,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:08:35,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008363911] [2022-01-10 10:08:35,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:08:35,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:08:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:08:35,282 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-01-10 10:08:35,282 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:08:35,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008363911] [2022-01-10 10:08:35,282 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008363911] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:08:35,282 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:08:35,282 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 10:08:35,282 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943802738] [2022-01-10 10:08:35,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:08:35,283 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:08:35,283 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:08:35,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:08:35,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:08:35,284 INFO L87 Difference]: Start difference. First operand 1838 states and 2079 transitions. Second operand has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 2 states have internal predecessors, (167), 0 states have call successors, (0), 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 10:08:35,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:08:35,661 INFO L93 Difference]: Finished difference Result 3936 states and 4490 transitions. [2022-01-10 10:08:35,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:08:35,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 2 states have internal predecessors, (167), 0 states have call successors, (0), 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 176 [2022-01-10 10:08:35,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:08:35,667 INFO L225 Difference]: With dead ends: 3936 [2022-01-10 10:08:35,667 INFO L226 Difference]: Without dead ends: 2100 [2022-01-10 10:08:35,669 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 [2022-01-10 10:08:35,670 INFO L933 BasicCegarLoop]: 51 mSDtfsCounter, 75 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 10:08:35,671 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [75 Valid, 55 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 10:08:35,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2022-01-10 10:08:35,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 2100. [2022-01-10 10:08:35,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2100 states, 2099 states have (on average 1.1143401619818962) internal successors, (2339), 2099 states have internal predecessors, (2339), 0 states have call successors, (0), 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 10:08:35,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2339 transitions. [2022-01-10 10:08:35,699 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2339 transitions. Word has length 176 [2022-01-10 10:08:35,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:08:35,699 INFO L470 AbstractCegarLoop]: Abstraction has 2100 states and 2339 transitions. [2022-01-10 10:08:35,700 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.666666666666664) internal successors, (167), 2 states have internal predecessors, (167), 0 states have call successors, (0), 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 10:08:35,700 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2339 transitions. [2022-01-10 10:08:35,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-01-10 10:08:35,704 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:08:35,704 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:08:35,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-10 10:08:35,705 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:08:35,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:08:35,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1273417045, now seen corresponding path program 1 times [2022-01-10 10:08:35,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:08:35,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900009223] [2022-01-10 10:08:35,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:08:35,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:08:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:08:35,801 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2022-01-10 10:08:35,802 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:08:35,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900009223] [2022-01-10 10:08:35,802 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900009223] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:08:35,802 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:08:35,802 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:08:35,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705010416] [2022-01-10 10:08:35,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:08:35,803 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:08:35,803 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:08:35,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:08:35,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:08:35,803 INFO L87 Difference]: Start difference. First operand 2100 states and 2339 transitions. Second operand has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 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 10:08:36,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:08:36,140 INFO L93 Difference]: Finished difference Result 4722 states and 5262 transitions. [2022-01-10 10:08:36,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:08:36,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 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 224 [2022-01-10 10:08:36,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:08:36,146 INFO L225 Difference]: With dead ends: 4722 [2022-01-10 10:08:36,147 INFO L226 Difference]: Without dead ends: 2624 [2022-01-10 10:08:36,148 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 10:08:36,148 INFO L933 BasicCegarLoop]: 26 mSDtfsCounter, 99 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 10:08:36,149 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 30 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 10:08:36,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2624 states. [2022-01-10 10:08:36,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2624 to 2100. [2022-01-10 10:08:36,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2100 states, 2099 states have (on average 1.1143401619818962) internal successors, (2339), 2099 states have internal predecessors, (2339), 0 states have call successors, (0), 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 10:08:36,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 2100 states and 2339 transitions. [2022-01-10 10:08:36,196 INFO L78 Accepts]: Start accepts. Automaton has 2100 states and 2339 transitions. Word has length 224 [2022-01-10 10:08:36,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:08:36,197 INFO L470 AbstractCegarLoop]: Abstraction has 2100 states and 2339 transitions. [2022-01-10 10:08:36,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 55.333333333333336) internal successors, (166), 3 states have internal predecessors, (166), 0 states have call successors, (0), 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 10:08:36,197 INFO L276 IsEmpty]: Start isEmpty. Operand 2100 states and 2339 transitions. [2022-01-10 10:08:36,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-01-10 10:08:36,200 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:08:36,200 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-01-10 10:08:36,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-10 10:08:36,201 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:08:36,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:08:36,201 INFO L85 PathProgramCache]: Analyzing trace with hash 895155655, now seen corresponding path program 1 times [2022-01-10 10:08:36,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:08:36,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128460981] [2022-01-10 10:08:36,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:08:36,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:08:36,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:08:36,413 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-01-10 10:08:36,413 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:08:36,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128460981] [2022-01-10 10:08:36,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128460981] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:08:36,413 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:08:36,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:08:36,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21597059] [2022-01-10 10:08:36,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:08:36,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:08:36,414 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:08:36,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:08:36,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:08:36,415 INFO L87 Difference]: Start difference. First operand 2100 states and 2339 transitions. Second operand has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 10:08:36,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:08:36,740 INFO L93 Difference]: Finished difference Result 4460 states and 4963 transitions. [2022-01-10 10:08:36,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:08:36,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 232 [2022-01-10 10:08:36,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:08:36,745 INFO L225 Difference]: With dead ends: 4460 [2022-01-10 10:08:36,745 INFO L226 Difference]: Without dead ends: 1969 [2022-01-10 10:08:36,747 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 10:08:36,747 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 37 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 10:08:36,747 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [37 Valid, 173 Invalid, 340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 10:08:36,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2022-01-10 10:08:36,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1838. [2022-01-10 10:08:36,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1837 states have (on average 1.085465432770822) internal successors, (1994), 1837 states have internal predecessors, (1994), 0 states have call successors, (0), 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 10:08:36,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 1994 transitions. [2022-01-10 10:08:36,769 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 1994 transitions. Word has length 232 [2022-01-10 10:08:36,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:08:36,769 INFO L470 AbstractCegarLoop]: Abstraction has 1838 states and 1994 transitions. [2022-01-10 10:08:36,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.333333333333336) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 10:08:36,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 1994 transitions. [2022-01-10 10:08:36,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-01-10 10:08:36,772 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:08:36,772 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-01-10 10:08:36,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-10 10:08:36,773 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:08:36,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:08:36,773 INFO L85 PathProgramCache]: Analyzing trace with hash -847463899, now seen corresponding path program 1 times [2022-01-10 10:08:36,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:08:36,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800592970] [2022-01-10 10:08:36,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:08:36,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:08:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:08:36,952 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2022-01-10 10:08:36,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:08:36,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800592970] [2022-01-10 10:08:36,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800592970] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:08:36,952 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:08:36,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:08:36,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268883756] [2022-01-10 10:08:36,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:08:36,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 10:08:36,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:08:36,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 10:08:36,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 10:08:36,954 INFO L87 Difference]: Start difference. First operand 1838 states and 1994 transitions. Second operand has 4 states, 4 states have (on average 42.25) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 10:08:37,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:08:37,282 INFO L93 Difference]: Finished difference Result 3751 states and 4071 transitions. [2022-01-10 10:08:37,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 10:08:37,282 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 234 [2022-01-10 10:08:37,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:08:37,287 INFO L225 Difference]: With dead ends: 3751 [2022-01-10 10:08:37,287 INFO L226 Difference]: Without dead ends: 1838 [2022-01-10 10:08:37,288 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 10:08:37,289 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 115 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 10:08:37,289 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [115 Valid, 16 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 10:08:37,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2022-01-10 10:08:37,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1838. [2022-01-10 10:08:37,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1837 states have (on average 1.0843767011431682) internal successors, (1992), 1837 states have internal predecessors, (1992), 0 states have call successors, (0), 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 10:08:37,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 1992 transitions. [2022-01-10 10:08:37,309 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 1992 transitions. Word has length 234 [2022-01-10 10:08:37,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:08:37,310 INFO L470 AbstractCegarLoop]: Abstraction has 1838 states and 1992 transitions. [2022-01-10 10:08:37,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 10:08:37,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 1992 transitions. [2022-01-10 10:08:37,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-01-10 10:08:37,313 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:08:37,313 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:08:37,314 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-10 10:08:37,314 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:08:37,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:08:37,314 INFO L85 PathProgramCache]: Analyzing trace with hash 1153452225, now seen corresponding path program 1 times [2022-01-10 10:08:37,314 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:08:37,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815104921] [2022-01-10 10:08:37,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:08:37,314 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:08:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:08:37,514 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-01-10 10:08:37,514 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:08:37,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815104921] [2022-01-10 10:08:37,514 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815104921] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:08:37,515 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:08:37,515 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:08:37,515 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209548705] [2022-01-10 10:08:37,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:08:37,515 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 10:08:37,515 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:08:37,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 10:08:37,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 10:08:37,516 INFO L87 Difference]: Start difference. First operand 1838 states and 1992 transitions. Second operand has 4 states, 4 states have (on average 42.25) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 10:08:37,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:08:37,865 INFO L93 Difference]: Finished difference Result 3621 states and 3929 transitions. [2022-01-10 10:08:37,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 10:08:37,866 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 270 [2022-01-10 10:08:37,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:08:37,866 INFO L225 Difference]: With dead ends: 3621 [2022-01-10 10:08:37,866 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 10:08:37,869 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 10:08:37,869 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 112 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-01-10 10:08:37,869 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [112 Valid, 14 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-01-10 10:08:37,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 10:08:37,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 10:08:37,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:08:37,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 10:08:37,870 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 270 [2022-01-10 10:08:37,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:08:37,870 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 10:08:37,870 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 3 states have internal predecessors, (169), 0 states have call successors, (0), 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 10:08:37,870 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 10:08:37,870 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 10:08:37,872 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 10:08:37,873 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-10 10:08:37,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 10:08:38,288 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 10:08:38,288 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 10:08:38,289 INFO L854 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse1 (= ~a7~0Int 1))) (let ((.cse3 (<= 15 ~a8~0Int)) (.cse5 (<= ~a16~0Int 5)) (.cse2 (not .cse1)) (.cse7 (= ~a20~0Int 1))) (let ((.cse8 (= ~a16~0Int 4)) (.cse6 (= ~a21~0Int 1)) (.cse0 (let ((.cse9 (not .cse7))) (or (and .cse9 .cse5 .cse3) (and .cse9 .cse5 .cse2)))) (.cse4 (= ~a12~0Int 8))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse5 .cse6 (<= 5 ~a16~0Int) .cse7 .cse1) (and .cse6 (= ~a7~0Int 0) (= ~a8~0Int 14) .cse8 .cse4 (= ~a17~0Int 0)) (and (<= ~a17~0Int 0) .cse6 (<= ~a7~0Int 0) .cse8 (= ~a8~0Int 13) .cse4) (and .cse7 .cse4 .cse1) (and .cse6 (= ~a17~0Int 1) .cse7 .cse4) (and .cse5 .cse4 .cse1) (and .cse0 .cse4))))) [2022-01-10 10:08:38,289 INFO L861 garLoopResultBuilder]: At program point L587(lines 587 604) the Hoare annotation is: true [2022-01-10 10:08:38,289 INFO L858 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2022-01-10 10:08:38,289 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 10:08:38,289 INFO L858 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2022-01-10 10:08:38,289 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 10:08:38,289 INFO L854 garLoopResultBuilder]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse1 (= ~a7~0Int 1))) (let ((.cse3 (<= 15 ~a8~0Int)) (.cse5 (<= ~a16~0Int 5)) (.cse2 (not .cse1)) (.cse7 (= ~a20~0Int 1))) (let ((.cse8 (= ~a16~0Int 4)) (.cse6 (= ~a21~0Int 1)) (.cse0 (let ((.cse9 (not .cse7))) (or (and .cse9 .cse5 .cse3) (and .cse9 .cse5 .cse2)))) (.cse4 (= ~a12~0Int 8))) (or (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse5 .cse6 (<= 5 ~a16~0Int) .cse7 .cse1) (and .cse6 (= ~a7~0Int 0) (= ~a8~0Int 14) .cse8 .cse4 (= ~a17~0Int 0)) (and (<= ~a17~0Int 0) .cse6 (<= ~a7~0Int 0) .cse8 (= ~a8~0Int 13) .cse4) (and .cse7 .cse4 .cse1) (and .cse6 (= ~a17~0Int 1) .cse7 .cse4) (and .cse5 .cse4 .cse1) (and .cse0 .cse4))))) [2022-01-10 10:08:38,289 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2022-01-10 10:08:38,289 INFO L858 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2022-01-10 10:08:38,289 INFO L858 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2022-01-10 10:08:38,289 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2022-01-10 10:08:38,289 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2022-01-10 10:08:38,290 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2022-01-10 10:08:38,290 INFO L858 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2022-01-10 10:08:38,290 INFO L858 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2022-01-10 10:08:38,290 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2022-01-10 10:08:38,290 INFO L858 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2022-01-10 10:08:38,290 INFO L858 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2022-01-10 10:08:38,290 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2022-01-10 10:08:38,290 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2022-01-10 10:08:38,290 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2022-01-10 10:08:38,290 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2022-01-10 10:08:38,290 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2022-01-10 10:08:38,290 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2022-01-10 10:08:38,290 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2022-01-10 10:08:38,290 INFO L858 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2022-01-10 10:08:38,290 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2022-01-10 10:08:38,290 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2022-01-10 10:08:38,290 INFO L858 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2022-01-10 10:08:38,290 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2022-01-10 10:08:38,291 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2022-01-10 10:08:38,291 INFO L858 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2022-01-10 10:08:38,291 INFO L858 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2022-01-10 10:08:38,291 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2022-01-10 10:08:38,291 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2022-01-10 10:08:38,291 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2022-01-10 10:08:38,291 INFO L858 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2022-01-10 10:08:38,291 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2022-01-10 10:08:38,291 INFO L858 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2022-01-10 10:08:38,291 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2022-01-10 10:08:38,291 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2022-01-10 10:08:38,291 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2022-01-10 10:08:38,291 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2022-01-10 10:08:38,291 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2022-01-10 10:08:38,291 INFO L858 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2022-01-10 10:08:38,291 INFO L858 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2022-01-10 10:08:38,291 INFO L858 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2022-01-10 10:08:38,291 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2022-01-10 10:08:38,292 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2022-01-10 10:08:38,292 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2022-01-10 10:08:38,292 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2022-01-10 10:08:38,292 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2022-01-10 10:08:38,292 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2022-01-10 10:08:38,292 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2022-01-10 10:08:38,292 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2022-01-10 10:08:38,292 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2022-01-10 10:08:38,292 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2022-01-10 10:08:38,292 INFO L858 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2022-01-10 10:08:38,292 INFO L858 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2022-01-10 10:08:38,292 INFO L858 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2022-01-10 10:08:38,292 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2022-01-10 10:08:38,292 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2022-01-10 10:08:38,292 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2022-01-10 10:08:38,292 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2022-01-10 10:08:38,292 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2022-01-10 10:08:38,292 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2022-01-10 10:08:38,292 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2022-01-10 10:08:38,292 INFO L858 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2022-01-10 10:08:38,293 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2022-01-10 10:08:38,293 INFO L858 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2022-01-10 10:08:38,293 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2022-01-10 10:08:38,293 INFO L858 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2022-01-10 10:08:38,293 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2022-01-10 10:08:38,293 INFO L858 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2022-01-10 10:08:38,293 INFO L858 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,293 INFO L858 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2022-01-10 10:08:38,293 INFO L858 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,293 INFO L858 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2022-01-10 10:08:38,293 INFO L858 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,293 INFO L858 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2022-01-10 10:08:38,293 INFO L858 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,293 INFO L858 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2022-01-10 10:08:38,293 INFO L858 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,293 INFO L858 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2022-01-10 10:08:38,293 INFO L858 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,293 INFO L858 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2022-01-10 10:08:38,293 INFO L858 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,294 INFO L858 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2022-01-10 10:08:38,294 INFO L858 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,294 INFO L858 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2022-01-10 10:08:38,294 INFO L858 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,294 INFO L858 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2022-01-10 10:08:38,294 INFO L858 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,294 INFO L858 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2022-01-10 10:08:38,294 INFO L858 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,294 INFO L858 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2022-01-10 10:08:38,294 INFO L858 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,294 INFO L858 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2022-01-10 10:08:38,294 INFO L858 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,294 INFO L858 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2022-01-10 10:08:38,294 INFO L858 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,294 INFO L858 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2022-01-10 10:08:38,294 INFO L858 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,294 INFO L858 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2022-01-10 10:08:38,294 INFO L858 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,295 INFO L858 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2022-01-10 10:08:38,295 INFO L858 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,295 INFO L858 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2022-01-10 10:08:38,295 INFO L858 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,295 INFO L858 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2022-01-10 10:08:38,295 INFO L858 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,295 INFO L858 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2022-01-10 10:08:38,295 INFO L858 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,295 INFO L858 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2022-01-10 10:08:38,295 INFO L858 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,295 INFO L858 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2022-01-10 10:08:38,295 INFO L858 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,295 INFO L858 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2022-01-10 10:08:38,295 INFO L858 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,295 INFO L858 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2022-01-10 10:08:38,295 INFO L858 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,295 INFO L858 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2022-01-10 10:08:38,295 INFO L858 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,295 INFO L858 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2022-01-10 10:08:38,296 INFO L858 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,296 INFO L858 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2022-01-10 10:08:38,296 INFO L858 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,296 INFO L858 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2022-01-10 10:08:38,296 INFO L858 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,296 INFO L858 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2022-01-10 10:08:38,296 INFO L858 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,296 INFO L858 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2022-01-10 10:08:38,296 INFO L858 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,296 INFO L858 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2022-01-10 10:08:38,296 INFO L858 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,296 INFO L858 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2022-01-10 10:08:38,296 INFO L858 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,296 INFO L858 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2022-01-10 10:08:38,296 INFO L858 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,296 INFO L858 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2022-01-10 10:08:38,296 INFO L858 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,296 INFO L858 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2022-01-10 10:08:38,296 INFO L858 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,297 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 504) no Hoare annotation was computed. [2022-01-10 10:08:38,297 INFO L858 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2022-01-10 10:08:38,297 INFO L858 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,297 INFO L858 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2022-01-10 10:08:38,297 INFO L858 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,297 INFO L858 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2022-01-10 10:08:38,297 INFO L858 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,297 INFO L858 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2022-01-10 10:08:38,297 INFO L858 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,297 INFO L858 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2022-01-10 10:08:38,297 INFO L858 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,297 INFO L858 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2022-01-10 10:08:38,297 INFO L858 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,297 INFO L858 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2022-01-10 10:08:38,297 INFO L858 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,297 INFO L858 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2022-01-10 10:08:38,297 INFO L858 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,297 INFO L858 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2022-01-10 10:08:38,298 INFO L858 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,298 INFO L858 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2022-01-10 10:08:38,298 INFO L858 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,298 INFO L858 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2022-01-10 10:08:38,298 INFO L858 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,298 INFO L858 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2022-01-10 10:08:38,298 INFO L858 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,298 INFO L858 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2022-01-10 10:08:38,298 INFO L858 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,298 INFO L858 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2022-01-10 10:08:38,298 INFO L858 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,298 INFO L858 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2022-01-10 10:08:38,298 INFO L858 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,298 INFO L858 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2022-01-10 10:08:38,298 INFO L858 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,298 INFO L858 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2022-01-10 10:08:38,298 INFO L858 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,298 INFO L858 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2022-01-10 10:08:38,298 INFO L858 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,298 INFO L858 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2022-01-10 10:08:38,299 INFO L858 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,299 INFO L858 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2022-01-10 10:08:38,299 INFO L858 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,299 INFO L858 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2022-01-10 10:08:38,299 INFO L858 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,299 INFO L858 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2022-01-10 10:08:38,299 INFO L858 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,299 INFO L858 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2022-01-10 10:08:38,299 INFO L858 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,299 INFO L858 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2022-01-10 10:08:38,299 INFO L858 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,299 INFO L858 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2022-01-10 10:08:38,299 INFO L858 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:08:38,299 INFO L858 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2022-01-10 10:08:38,299 INFO L858 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2022-01-10 10:08:38,302 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 10:08:38,303 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 10:08:38,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 10:08:38 BasicIcfg [2022-01-10 10:08:38,330 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 10:08:38,330 INFO L158 Benchmark]: Toolchain (without parser) took 9904.98ms. Allocated memory was 200.3MB in the beginning and 357.6MB in the end (delta: 157.3MB). Free memory was 147.4MB in the beginning and 188.7MB in the end (delta: -41.3MB). Peak memory consumption was 116.9MB. Max. memory is 8.0GB. [2022-01-10 10:08:38,330 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 200.3MB. Free memory is still 166.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 10:08:38,331 INFO L158 Benchmark]: CACSL2BoogieTranslator took 384.60ms. Allocated memory is still 200.3MB. Free memory was 147.3MB in the beginning and 157.1MB in the end (delta: -9.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-01-10 10:08:38,331 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.24ms. Allocated memory is still 200.3MB. Free memory was 157.1MB in the beginning and 151.5MB in the end (delta: 5.6MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-01-10 10:08:38,331 INFO L158 Benchmark]: Boogie Preprocessor took 71.37ms. Allocated memory is still 200.3MB. Free memory was 151.5MB in the beginning and 147.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-01-10 10:08:38,331 INFO L158 Benchmark]: RCFGBuilder took 863.38ms. Allocated memory is still 200.3MB. Free memory was 146.7MB in the beginning and 87.0MB in the end (delta: 59.8MB). Peak memory consumption was 59.8MB. Max. memory is 8.0GB. [2022-01-10 10:08:38,332 INFO L158 Benchmark]: IcfgTransformer took 223.78ms. Allocated memory was 200.3MB in the beginning and 267.4MB in the end (delta: 67.1MB). Free memory was 87.0MB in the beginning and 223.9MB in the end (delta: -137.0MB). Peak memory consumption was 30.3MB. Max. memory is 8.0GB. [2022-01-10 10:08:38,332 INFO L158 Benchmark]: TraceAbstraction took 8287.94ms. Allocated memory was 267.4MB in the beginning and 357.6MB in the end (delta: 90.2MB). Free memory was 223.4MB in the beginning and 188.7MB in the end (delta: 34.7MB). Peak memory consumption was 124.3MB. Max. memory is 8.0GB. [2022-01-10 10:08:38,336 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 200.3MB. Free memory is still 166.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 384.60ms. Allocated memory is still 200.3MB. Free memory was 147.3MB in the beginning and 157.1MB in the end (delta: -9.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 69.24ms. Allocated memory is still 200.3MB. Free memory was 157.1MB in the beginning and 151.5MB in the end (delta: 5.6MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 71.37ms. Allocated memory is still 200.3MB. Free memory was 151.5MB in the beginning and 147.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 863.38ms. Allocated memory is still 200.3MB. Free memory was 146.7MB in the beginning and 87.0MB in the end (delta: 59.8MB). Peak memory consumption was 59.8MB. Max. memory is 8.0GB. * IcfgTransformer took 223.78ms. Allocated memory was 200.3MB in the beginning and 267.4MB in the end (delta: 67.1MB). Free memory was 87.0MB in the beginning and 223.9MB in the end (delta: -137.0MB). Peak memory consumption was 30.3MB. Max. memory is 8.0GB. * TraceAbstraction took 8287.94ms. Allocated memory was 267.4MB in the beginning and 357.6MB in the end (delta: 90.2MB). Free memory was 223.4MB in the beginning and 188.7MB in the end (delta: 34.7MB). Peak memory consumption was 124.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 504]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.2s, OverallIterations: 13, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1485 SdHoareTripleChecker+Valid, 5.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1485 mSDsluCounter, 957 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 81 mSDsCounter, 658 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4903 IncrementalHoareTripleChecker+Invalid, 5561 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 658 mSolverCounterUnsat, 876 mSDtfsCounter, 4903 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2100occurred in iteration=9, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 1572 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 43 NumberOfFragments, 311 HoareAnnotationTreeSize, 3 FomulaSimplifications, 850 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1656 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2194 NumberOfCodeBlocks, 2194 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2181 ConstructedInterpolants, 0 QuantifiedInterpolants, 13466 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 1325/1325 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: ((((((((((((8bv32 == a12 && 4bv32 == a16) && a7 == 0bv32) && 0bv32 == a17) && 14bv32 == a8) && 1bv32 == a21) || ((((!(a7 == 1bv32) && !(1bv32 == a20)) && ~bvule32(a16, 5bv32)) || ((!(1bv32 == a20) && ~bvule32(a16, 5bv32)) && ~bvule32(15bv32, a8))) && a7 == 1bv32)) || ((8bv32 == a12 && a7 == 1bv32) && ~bvule32(a16, 5bv32))) || (((((8bv32 == a12 && ~bvule32(a7, 0bv32)) && 4bv32 == a16) && ~bvule32(a17, 0bv32)) && a8 == 13bv32) && 1bv32 == a21)) || ((((1bv32 == a20 && a7 == 1bv32) && ~bvule32(a16, 5bv32)) && ~bvule32(5bv32, a16)) && 1bv32 == a21)) || (((1bv32 == a20 && 8bv32 == a12) && 1bv32 == a17) && 1bv32 == a21)) || ((8bv32 == a12 && !(a7 == 1bv32)) && ~bvule32(15bv32, a8))) || ((1bv32 == a20 && 8bv32 == a12) && a7 == 1bv32)) || (8bv32 == a12 && (((!(a7 == 1bv32) && !(1bv32 == a20)) && ~bvule32(a16, 5bv32)) || ((!(1bv32 == a20) && ~bvule32(a16, 5bv32)) && ~bvule32(15bv32, a8)))) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((((((((((8bv32 == a12 && 4bv32 == a16) && a7 == 0bv32) && 0bv32 == a17) && 14bv32 == a8) && 1bv32 == a21) || ((((!(a7 == 1bv32) && !(1bv32 == a20)) && ~bvule32(a16, 5bv32)) || ((!(1bv32 == a20) && ~bvule32(a16, 5bv32)) && ~bvule32(15bv32, a8))) && a7 == 1bv32)) || ((8bv32 == a12 && a7 == 1bv32) && ~bvule32(a16, 5bv32))) || (((((8bv32 == a12 && ~bvule32(a7, 0bv32)) && 4bv32 == a16) && ~bvule32(a17, 0bv32)) && a8 == 13bv32) && 1bv32 == a21)) || ((((1bv32 == a20 && a7 == 1bv32) && ~bvule32(a16, 5bv32)) && ~bvule32(5bv32, a16)) && 1bv32 == a21)) || (((1bv32 == a20 && 8bv32 == a12) && 1bv32 == a17) && 1bv32 == a21)) || ((8bv32 == a12 && !(a7 == 1bv32)) && ~bvule32(15bv32, a8))) || ((1bv32 == a20 && 8bv32 == a12) && a7 == 1bv32)) || (8bv32 == a12 && (((!(a7 == 1bv32) && !(1bv32 == a20)) && ~bvule32(a16, 5bv32)) || ((!(1bv32 == a20) && ~bvule32(a16, 5bv32)) && ~bvule32(15bv32, a8)))) RESULT: Ultimate proved your program to be correct! [2022-01-10 10:08:38,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...