/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_label19.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-a10ec3b [2022-01-10 10:07:45,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-10 10:07:45,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-10 10:07:45,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-10 10:07:45,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-10 10:07:45,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-10 10:07:45,856 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-10 10:07:45,857 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-10 10:07:45,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-10 10:07:45,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-10 10:07:45,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-10 10:07:45,868 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-10 10:07:45,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-10 10:07:45,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-10 10:07:45,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-10 10:07:45,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-10 10:07:45,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-10 10:07:45,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-10 10:07:45,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-10 10:07:45,883 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-10 10:07:45,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-10 10:07:45,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-10 10:07:45,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-10 10:07:45,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-10 10:07:45,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-10 10:07:45,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-10 10:07:45,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-10 10:07:45,889 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-10 10:07:45,889 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-10 10:07:45,890 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-10 10:07:45,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-10 10:07:45,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-10 10:07:45,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-10 10:07:45,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-10 10:07:45,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-10 10:07:45,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-10 10:07:45,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-10 10:07:45,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-10 10:07:45,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-10 10:07:45,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-10 10:07:45,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-10 10:07:45,901 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 10:07:45,932 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-10 10:07:45,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-10 10:07:45,933 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-10 10:07:45,933 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-10 10:07:45,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-10 10:07:45,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-10 10:07:45,935 INFO L138 SettingsManager]: * Use SBE=true [2022-01-10 10:07:45,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-10 10:07:45,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-10 10:07:45,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-10 10:07:45,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-10 10:07:45,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-10 10:07:45,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-10 10:07:45,936 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-01-10 10:07:45,936 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-01-10 10:07:45,936 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-01-10 10:07:45,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-10 10:07:45,937 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-10 10:07:45,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-10 10:07:45,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-10 10:07:45,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-10 10:07:45,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 10:07:45,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-10 10:07:45,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-10 10:07:45,939 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-10 10:07:45,939 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-10 10:07:45,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-10 10:07:45,939 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-10 10:07:45,939 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-01-10 10:07:45,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-10 10:07:45,939 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-01-10 10:07:45,939 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-01-10 10:07:45,940 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-10 10:07:45,940 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-10 10:07:46,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-10 10:07:46,162 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-10 10:07:46,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-10 10:07:46,165 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-10 10:07:46,166 INFO L275 PluginConnector]: CDTParser initialized [2022-01-10 10:07:46,167 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label19.c [2022-01-10 10:07:46,215 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18fa4a2cc/7a76e34c6fbb47d690d3b160e91b206f/FLAGd9a52d3f0 [2022-01-10 10:07:46,739 INFO L306 CDTParser]: Found 1 translation units. [2022-01-10 10:07:46,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label19.c [2022-01-10 10:07:46,755 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18fa4a2cc/7a76e34c6fbb47d690d3b160e91b206f/FLAGd9a52d3f0 [2022-01-10 10:07:47,197 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18fa4a2cc/7a76e34c6fbb47d690d3b160e91b206f [2022-01-10 10:07:47,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-10 10:07:47,201 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-01-10 10:07:47,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-10 10:07:47,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-10 10:07:47,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-10 10:07:47,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 10:07:47" (1/1) ... [2022-01-10 10:07:47,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a02fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:07:47, skipping insertion in model container [2022-01-10 10:07:47,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 10:07:47" (1/1) ... [2022-01-10 10:07:47,211 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-10 10:07:47,257 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-10 10:07:47,590 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_label19.c[16251,16264] [2022-01-10 10:07:47,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 10:07:47,627 INFO L203 MainTranslator]: Completed pre-run [2022-01-10 10:07:47,697 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_label19.c[16251,16264] [2022-01-10 10:07:47,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-10 10:07:47,735 INFO L208 MainTranslator]: Completed translation [2022-01-10 10:07:47,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:07:47 WrapperNode [2022-01-10 10:07:47,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-10 10:07:47,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-10 10:07:47,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-10 10:07:47,737 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-10 10:07:47,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:07:47" (1/1) ... [2022-01-10 10:07:47,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:07:47" (1/1) ... [2022-01-10 10:07:47,816 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 655 [2022-01-10 10:07:47,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-10 10:07:47,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-10 10:07:47,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-10 10:07:47,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-10 10:07:47,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:07:47" (1/1) ... [2022-01-10 10:07:47,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:07:47" (1/1) ... [2022-01-10 10:07:47,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:07:47" (1/1) ... [2022-01-10 10:07:47,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:07:47" (1/1) ... [2022-01-10 10:07:47,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:07:47" (1/1) ... [2022-01-10 10:07:47,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:07:47" (1/1) ... [2022-01-10 10:07:47,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:07:47" (1/1) ... [2022-01-10 10:07:47,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-10 10:07:47,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-10 10:07:47,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-10 10:07:47,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-10 10:07:47,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:07:47" (1/1) ... [2022-01-10 10:07:47,918 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-10 10:07:47,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-10 10:07:47,940 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 10:07:47,964 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 10:07:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-10 10:07:47,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-01-10 10:07:47,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-10 10:07:47,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-10 10:07:48,059 INFO L234 CfgBuilder]: Building ICFG [2022-01-10 10:07:48,061 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-10 10:07:48,886 INFO L275 CfgBuilder]: Performing block encoding [2022-01-10 10:07:48,895 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-10 10:07:48,896 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-10 10:07:48,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 10:07:48 BoogieIcfgContainer [2022-01-10 10:07:48,897 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-10 10:07:48,898 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-10 10:07:48,898 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-10 10:07:48,899 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-10 10:07:48,902 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 10:07:48" (1/1) ... [2022-01-10 10:07:49,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 10:07:49 BasicIcfg [2022-01-10 10:07:49,144 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-10 10:07:49,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-10 10:07:49,145 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-10 10:07:49,148 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-10 10:07:49,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 10:07:47" (1/4) ... [2022-01-10 10:07:49,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f377e5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 10:07:49, skipping insertion in model container [2022-01-10 10:07:49,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 10:07:47" (2/4) ... [2022-01-10 10:07:49,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f377e5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 10:07:49, skipping insertion in model container [2022-01-10 10:07:49,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 10:07:48" (3/4) ... [2022-01-10 10:07:49,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f377e5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 10:07:49, skipping insertion in model container [2022-01-10 10:07:49,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 10.01 10:07:49" (4/4) ... [2022-01-10 10:07:49,150 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label19.cTransformedIcfg [2022-01-10 10:07:49,161 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-10 10:07:49,161 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-10 10:07:49,210 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-10 10:07:49,216 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 10:07:49,216 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-10 10:07:49,234 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 10:07:49,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-01-10 10:07:49,243 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:07:49,244 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] [2022-01-10 10:07:49,244 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:07:49,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:07:49,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1004798847, now seen corresponding path program 1 times [2022-01-10 10:07:49,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:07:49,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267972511] [2022-01-10 10:07:49,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:07:49,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:07:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:07:49,748 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 10:07:49,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:07:49,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267972511] [2022-01-10 10:07:49,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267972511] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:07:49,751 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:07:49,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 10:07:49,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477108837] [2022-01-10 10:07:49,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:07:49,756 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:07:49,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:07:49,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:07:49,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:07:49,782 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 28.666666666666668) internal successors, (86), 2 states have internal predecessors, (86), 0 states have call successors, (0), 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 10:07:50,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:07:50,579 INFO L93 Difference]: Finished difference Result 553 states and 940 transitions. [2022-01-10 10:07:50,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:07:50,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 2 states have internal predecessors, (86), 0 states have call successors, (0), 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 86 [2022-01-10 10:07:50,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:07:50,596 INFO L225 Difference]: With dead ends: 553 [2022-01-10 10:07:50,596 INFO L226 Difference]: Without dead ends: 266 [2022-01-10 10:07:50,608 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 10:07:50,611 INFO L933 BasicCegarLoop]: 64 mSDtfsCounter, 99 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-01-10 10:07:50,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [99 Valid, 72 Invalid, 510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-01-10 10:07:50,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2022-01-10 10:07:50,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2022-01-10 10:07:50,660 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 10:07:50,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions. [2022-01-10 10:07:50,662 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 86 [2022-01-10 10:07:50,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:07:50,662 INFO L470 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions. [2022-01-10 10:07:50,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 2 states have internal predecessors, (86), 0 states have call successors, (0), 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 10:07:50,663 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions. [2022-01-10 10:07:50,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-01-10 10:07:50,665 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:07:50,665 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] [2022-01-10 10:07:50,666 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-10 10:07:50,666 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:07:50,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:07:50,667 INFO L85 PathProgramCache]: Analyzing trace with hash 256709698, now seen corresponding path program 1 times [2022-01-10 10:07:50,667 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:07:50,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724653507] [2022-01-10 10:07:50,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:07:50,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:07:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:07:50,763 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 10:07:50,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:07:50,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724653507] [2022-01-10 10:07:50,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724653507] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:07:50,764 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:07:50,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 10:07:50,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655510349] [2022-01-10 10:07:50,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:07:50,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:07:50,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:07:50,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:07:50,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:07:50,766 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 0 states have call successors, (0), 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 10:07:51,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:07:51,312 INFO L93 Difference]: Finished difference Result 792 states and 1135 transitions. [2022-01-10 10:07:51,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:07:51,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 0 states have call successors, (0), 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 92 [2022-01-10 10:07:51,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:07:51,315 INFO L225 Difference]: With dead ends: 792 [2022-01-10 10:07:51,315 INFO L226 Difference]: Without dead ends: 528 [2022-01-10 10:07:51,316 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 10:07:51,317 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 143 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 10:07:51,318 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [143 Valid, 19 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 10:07:51,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2022-01-10 10:07:51,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2022-01-10 10:07:51,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.411764705882353) internal successors, (744), 527 states have internal predecessors, (744), 0 states have call successors, (0), 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 10:07:51,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 744 transitions. [2022-01-10 10:07:51,340 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 744 transitions. Word has length 92 [2022-01-10 10:07:51,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:07:51,340 INFO L470 AbstractCegarLoop]: Abstraction has 528 states and 744 transitions. [2022-01-10 10:07:51,341 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 2 states have internal predecessors, (92), 0 states have call successors, (0), 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 10:07:51,341 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 744 transitions. [2022-01-10 10:07:51,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-01-10 10:07:51,344 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:07:51,344 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2022-01-10 10:07:51,344 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-10 10:07:51,344 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:07:51,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:07:51,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1062680951, now seen corresponding path program 1 times [2022-01-10 10:07:51,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:07:51,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581773225] [2022-01-10 10:07:51,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:07:51,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:07:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:07:51,456 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-10 10:07:51,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:07:51,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581773225] [2022-01-10 10:07:51,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581773225] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:07:51,458 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:07:51,458 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:07:51,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57449741] [2022-01-10 10:07:51,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:07:51,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:07:51,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:07:51,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:07:51,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:07:51,461 INFO L87 Difference]: Start difference. First operand 528 states and 744 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 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 10:07:51,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:07:51,936 INFO L93 Difference]: Finished difference Result 1578 states and 2227 transitions. [2022-01-10 10:07:51,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:07:51,936 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 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 108 [2022-01-10 10:07:51,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:07:51,940 INFO L225 Difference]: With dead ends: 1578 [2022-01-10 10:07:51,940 INFO L226 Difference]: Without dead ends: 1052 [2022-01-10 10:07:51,941 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 10:07:51,942 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 124 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 10:07:51,943 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [124 Valid, 193 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 10:07:51,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2022-01-10 10:07:51,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 790. [2022-01-10 10:07:51,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 790 states, 789 states have (on average 1.3130544993662865) internal successors, (1036), 789 states have internal predecessors, (1036), 0 states have call successors, (0), 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 10:07:51,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1036 transitions. [2022-01-10 10:07:51,967 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1036 transitions. Word has length 108 [2022-01-10 10:07:51,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:07:51,968 INFO L470 AbstractCegarLoop]: Abstraction has 790 states and 1036 transitions. [2022-01-10 10:07:51,968 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 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 10:07:51,968 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1036 transitions. [2022-01-10 10:07:51,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-01-10 10:07:51,972 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:07:51,972 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-01-10 10:07:51,972 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-10 10:07:51,972 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:07:51,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:07:51,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1636981826, now seen corresponding path program 1 times [2022-01-10 10:07:51,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:07:51,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614181453] [2022-01-10 10:07:51,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:07:51,974 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:07:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:07:52,083 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-01-10 10:07:52,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:07:52,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614181453] [2022-01-10 10:07:52,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614181453] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:07:52,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:07:52,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:07:52,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678879454] [2022-01-10 10:07:52,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:07:52,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:07:52,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:07:52,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:07:52,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:07:52,086 INFO L87 Difference]: Start difference. First operand 790 states and 1036 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 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 10:07:52,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:07:52,556 INFO L93 Difference]: Finished difference Result 2102 states and 2726 transitions. [2022-01-10 10:07:52,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:07:52,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 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 124 [2022-01-10 10:07:52,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:07:52,562 INFO L225 Difference]: With dead ends: 2102 [2022-01-10 10:07:52,562 INFO L226 Difference]: Without dead ends: 1314 [2022-01-10 10:07:52,563 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 10:07:52,565 INFO L933 BasicCegarLoop]: 193 mSDtfsCounter, 116 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 10:07:52,565 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [116 Valid, 199 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 10:07:52,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states. [2022-01-10 10:07:52,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1183. [2022-01-10 10:07:52,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 1182 states have (on average 1.2749576988155669) internal successors, (1507), 1182 states have internal predecessors, (1507), 0 states have call successors, (0), 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 10:07:52,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1507 transitions. [2022-01-10 10:07:52,588 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1507 transitions. Word has length 124 [2022-01-10 10:07:52,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:07:52,589 INFO L470 AbstractCegarLoop]: Abstraction has 1183 states and 1507 transitions. [2022-01-10 10:07:52,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 0 states have call successors, (0), 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 10:07:52,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1507 transitions. [2022-01-10 10:07:52,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-01-10 10:07:52,592 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:07:52,592 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-01-10 10:07:52,592 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-10 10:07:52,592 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:07:52,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:07:52,593 INFO L85 PathProgramCache]: Analyzing trace with hash 274132098, now seen corresponding path program 1 times [2022-01-10 10:07:52,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:07:52,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016881176] [2022-01-10 10:07:52,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:07:52,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:07:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:07:52,659 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2022-01-10 10:07:52,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:07:52,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016881176] [2022-01-10 10:07:52,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016881176] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:07:52,660 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:07:52,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 10:07:52,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739678958] [2022-01-10 10:07:52,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:07:52,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:07:52,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:07:52,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:07:52,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:07:52,662 INFO L87 Difference]: Start difference. First operand 1183 states and 1507 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 0 states have call successors, (0), 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 10:07:53,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:07:53,171 INFO L93 Difference]: Finished difference Result 3412 states and 4361 transitions. [2022-01-10 10:07:53,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:07:53,172 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 0 states have call successors, (0), 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 128 [2022-01-10 10:07:53,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:07:53,178 INFO L225 Difference]: With dead ends: 3412 [2022-01-10 10:07:53,178 INFO L226 Difference]: Without dead ends: 1969 [2022-01-10 10:07:53,180 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 10:07:53,181 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 132 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-01-10 10:07:53,181 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [132 Valid, 62 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-01-10 10:07:53,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2022-01-10 10:07:53,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1707. [2022-01-10 10:07:53,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1707 states, 1706 states have (on average 1.141852286049238) internal successors, (1948), 1706 states have internal predecessors, (1948), 0 states have call successors, (0), 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 10:07:53,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1948 transitions. [2022-01-10 10:07:53,212 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1948 transitions. Word has length 128 [2022-01-10 10:07:53,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:07:53,212 INFO L470 AbstractCegarLoop]: Abstraction has 1707 states and 1948 transitions. [2022-01-10 10:07:53,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 2 states have internal predecessors, (99), 0 states have call successors, (0), 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 10:07:53,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1948 transitions. [2022-01-10 10:07:53,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-01-10 10:07:53,215 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:07:53,216 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 10:07:53,216 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-10 10:07:53,216 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:07:53,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:07:53,216 INFO L85 PathProgramCache]: Analyzing trace with hash 667250311, now seen corresponding path program 1 times [2022-01-10 10:07:53,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:07:53,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936226332] [2022-01-10 10:07:53,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:07:53,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:07:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:07:53,287 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-01-10 10:07:53,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:07:53,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936226332] [2022-01-10 10:07:53,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936226332] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:07:53,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:07:53,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 10:07:53,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675031821] [2022-01-10 10:07:53,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:07:53,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:07:53,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:07:53,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:07:53,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:07:53,289 INFO L87 Difference]: Start difference. First operand 1707 states and 1948 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 2 states have internal predecessors, (101), 0 states have call successors, (0), 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 10:07:53,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:07:53,725 INFO L93 Difference]: Finished difference Result 4460 states and 5130 transitions. [2022-01-10 10:07:53,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:07:53,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 2 states have internal predecessors, (101), 0 states have call successors, (0), 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 164 [2022-01-10 10:07:53,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:07:53,733 INFO L225 Difference]: With dead ends: 4460 [2022-01-10 10:07:53,734 INFO L226 Difference]: Without dead ends: 2755 [2022-01-10 10:07:53,736 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 10:07:53,736 INFO L933 BasicCegarLoop]: 39 mSDtfsCounter, 126 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 10:07:53,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [126 Valid, 43 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 10:07:53,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2755 states. [2022-01-10 10:07:53,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2755 to 2624. [2022-01-10 10:07:53,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2624 states, 2623 states have (on average 1.1158978269157454) internal successors, (2927), 2623 states have internal predecessors, (2927), 0 states have call successors, (0), 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 10:07:53,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 2624 states and 2927 transitions. [2022-01-10 10:07:53,781 INFO L78 Accepts]: Start accepts. Automaton has 2624 states and 2927 transitions. Word has length 164 [2022-01-10 10:07:53,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:07:53,781 INFO L470 AbstractCegarLoop]: Abstraction has 2624 states and 2927 transitions. [2022-01-10 10:07:53,782 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 2 states have internal predecessors, (101), 0 states have call successors, (0), 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 10:07:53,782 INFO L276 IsEmpty]: Start isEmpty. Operand 2624 states and 2927 transitions. [2022-01-10 10:07:53,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-01-10 10:07:53,787 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:07:53,787 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 10:07:53,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-10 10:07:53,787 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:07:53,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:07:53,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1174538488, now seen corresponding path program 1 times [2022-01-10 10:07:53,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:07:53,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282438231] [2022-01-10 10:07:53,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:07:53,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:07:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:07:53,883 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-01-10 10:07:53,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:07:53,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282438231] [2022-01-10 10:07:53,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282438231] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:07:53,884 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:07:53,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-10 10:07:53,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380470309] [2022-01-10 10:07:53,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:07:53,885 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:07:53,885 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:07:53,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:07:53,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:07:53,887 INFO L87 Difference]: Start difference. First operand 2624 states and 2927 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 0 states have call successors, (0), 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 10:07:54,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:07:54,285 INFO L93 Difference]: Finished difference Result 5508 states and 6148 transitions. [2022-01-10 10:07:54,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:07:54,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 0 states have call successors, (0), 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 189 [2022-01-10 10:07:54,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:07:54,295 INFO L225 Difference]: With dead ends: 5508 [2022-01-10 10:07:54,295 INFO L226 Difference]: Without dead ends: 2886 [2022-01-10 10:07:54,298 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 10:07:54,301 INFO L933 BasicCegarLoop]: 38 mSDtfsCounter, 104 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 10:07:54,301 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [104 Valid, 43 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 10:07:54,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2886 states. [2022-01-10 10:07:54,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2886 to 2886. [2022-01-10 10:07:54,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2886 states, 2885 states have (on average 1.1102253032928944) internal successors, (3203), 2885 states have internal predecessors, (3203), 0 states have call successors, (0), 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 10:07:54,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2886 states to 2886 states and 3203 transitions. [2022-01-10 10:07:54,374 INFO L78 Accepts]: Start accepts. Automaton has 2886 states and 3203 transitions. Word has length 189 [2022-01-10 10:07:54,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:07:54,374 INFO L470 AbstractCegarLoop]: Abstraction has 2886 states and 3203 transitions. [2022-01-10 10:07:54,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 2 states have internal predecessors, (118), 0 states have call successors, (0), 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 10:07:54,375 INFO L276 IsEmpty]: Start isEmpty. Operand 2886 states and 3203 transitions. [2022-01-10 10:07:54,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-01-10 10:07:54,379 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:07:54,380 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-01-10 10:07:54,380 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-10 10:07:54,380 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:07:54,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:07:54,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1645057779, now seen corresponding path program 1 times [2022-01-10 10:07:54,381 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:07:54,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825253681] [2022-01-10 10:07:54,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:07:54,381 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:07:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:07:54,480 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2022-01-10 10:07:54,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:07:54,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825253681] [2022-01-10 10:07:54,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825253681] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:07:54,480 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:07:54,480 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:07:54,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711238001] [2022-01-10 10:07:54,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:07:54,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:07:54,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:07:54,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:07:54,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:07:54,482 INFO L87 Difference]: Start difference. First operand 2886 states and 3203 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:07:54,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:07:54,884 INFO L93 Difference]: Finished difference Result 6032 states and 6686 transitions. [2022-01-10 10:07:54,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:07:54,885 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 193 [2022-01-10 10:07:54,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:07:54,895 INFO L225 Difference]: With dead ends: 6032 [2022-01-10 10:07:54,895 INFO L226 Difference]: Without dead ends: 3279 [2022-01-10 10:07:54,898 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 10:07:54,899 INFO L933 BasicCegarLoop]: 177 mSDtfsCounter, 121 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 10:07:54,899 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [121 Valid, 183 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 10:07:54,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3279 states. [2022-01-10 10:07:54,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3279 to 3017. [2022-01-10 10:07:54,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3017 states, 3016 states have (on average 1.1024535809018567) internal successors, (3325), 3016 states have internal predecessors, (3325), 0 states have call successors, (0), 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 10:07:54,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 3325 transitions. [2022-01-10 10:07:54,949 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 3325 transitions. Word has length 193 [2022-01-10 10:07:54,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:07:54,952 INFO L470 AbstractCegarLoop]: Abstraction has 3017 states and 3325 transitions. [2022-01-10 10:07:54,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-10 10:07:54,952 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 3325 transitions. [2022-01-10 10:07:54,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-01-10 10:07:54,970 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:07:54,970 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 10:07:54,971 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-10 10:07:54,971 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:07:54,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:07:54,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1824421854, now seen corresponding path program 1 times [2022-01-10 10:07:54,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:07:54,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406676654] [2022-01-10 10:07:54,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:07:54,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:07:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:07:55,130 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-01-10 10:07:55,131 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:07:55,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406676654] [2022-01-10 10:07:55,131 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406676654] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:07:55,131 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:07:55,131 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-10 10:07:55,131 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144339323] [2022-01-10 10:07:55,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:07:55,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 10:07:55,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:07:55,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 10:07:55,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 10:07:55,133 INFO L87 Difference]: Start difference. First operand 3017 states and 3325 transitions. Second operand has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 0 states have call successors, (0), 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 10:07:55,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:07:55,791 INFO L93 Difference]: Finished difference Result 6294 states and 6938 transitions. [2022-01-10 10:07:55,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 10:07:55,792 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 0 states have call successors, (0), 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 210 [2022-01-10 10:07:55,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:07:55,801 INFO L225 Difference]: With dead ends: 6294 [2022-01-10 10:07:55,801 INFO L226 Difference]: Without dead ends: 3279 [2022-01-10 10:07:55,805 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 10:07:55,805 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 215 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 10:07:55,806 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [215 Valid, 29 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 10:07:55,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3279 states. [2022-01-10 10:07:55,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3279 to 2886. [2022-01-10 10:07:55,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2886 states, 2885 states have (on average 1.0939341421143847) internal successors, (3156), 2885 states have internal predecessors, (3156), 0 states have call successors, (0), 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 10:07:55,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2886 states to 2886 states and 3156 transitions. [2022-01-10 10:07:55,851 INFO L78 Accepts]: Start accepts. Automaton has 2886 states and 3156 transitions. Word has length 210 [2022-01-10 10:07:55,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:07:55,851 INFO L470 AbstractCegarLoop]: Abstraction has 2886 states and 3156 transitions. [2022-01-10 10:07:55,852 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.25) internal successors, (149), 4 states have internal predecessors, (149), 0 states have call successors, (0), 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 10:07:55,852 INFO L276 IsEmpty]: Start isEmpty. Operand 2886 states and 3156 transitions. [2022-01-10 10:07:55,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-01-10 10:07:55,856 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:07:55,857 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 10:07:55,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-10 10:07:55,857 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:07:55,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:07:55,857 INFO L85 PathProgramCache]: Analyzing trace with hash -377031693, now seen corresponding path program 1 times [2022-01-10 10:07:55,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:07:55,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624220949] [2022-01-10 10:07:55,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:07:55,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:07:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:07:55,960 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2022-01-10 10:07:55,960 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:07:55,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624220949] [2022-01-10 10:07:55,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624220949] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:07:55,961 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:07:55,961 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:07:55,961 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934671311] [2022-01-10 10:07:55,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:07:55,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-10 10:07:55,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:07:55,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-10 10:07:55,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-10 10:07:55,962 INFO L87 Difference]: Start difference. First operand 2886 states and 3156 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 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 10:07:56,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:07:56,555 INFO L93 Difference]: Finished difference Result 5770 states and 6313 transitions. [2022-01-10 10:07:56,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-10 10:07:56,555 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 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 238 [2022-01-10 10:07:56,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:07:56,562 INFO L225 Difference]: With dead ends: 5770 [2022-01-10 10:07:56,562 INFO L226 Difference]: Without dead ends: 3017 [2022-01-10 10:07:56,565 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 10:07:56,567 INFO L933 BasicCegarLoop]: 31 mSDtfsCounter, 386 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-01-10 10:07:56,567 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [386 Valid, 39 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-01-10 10:07:56,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2022-01-10 10:07:56,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 2886. [2022-01-10 10:07:56,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2886 states, 2885 states have (on average 1.087001733102253) internal successors, (3136), 2885 states have internal predecessors, (3136), 0 states have call successors, (0), 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 10:07:56,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2886 states to 2886 states and 3136 transitions. [2022-01-10 10:07:56,610 INFO L78 Accepts]: Start accepts. Automaton has 2886 states and 3136 transitions. Word has length 238 [2022-01-10 10:07:56,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:07:56,610 INFO L470 AbstractCegarLoop]: Abstraction has 2886 states and 3136 transitions. [2022-01-10 10:07:56,611 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 0 states have call successors, (0), 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 10:07:56,611 INFO L276 IsEmpty]: Start isEmpty. Operand 2886 states and 3136 transitions. [2022-01-10 10:07:56,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-01-10 10:07:56,618 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:07:56,618 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 10:07:56,619 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-10 10:07:56,619 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:07:56,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:07:56,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1878256188, now seen corresponding path program 1 times [2022-01-10 10:07:56,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:07:56,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499421468] [2022-01-10 10:07:56,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:07:56,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:07:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:07:56,818 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2022-01-10 10:07:56,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:07:56,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499421468] [2022-01-10 10:07:56,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499421468] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:07:56,819 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:07:56,819 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:07:56,819 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768756614] [2022-01-10 10:07:56,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:07:56,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:07:56,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:07:56,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:07:56,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:07:56,821 INFO L87 Difference]: Start difference. First operand 2886 states and 3136 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 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 10:07:57,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:07:57,237 INFO L93 Difference]: Finished difference Result 5901 states and 6414 transitions. [2022-01-10 10:07:57,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:07:57,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 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 256 [2022-01-10 10:07:57,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:07:57,246 INFO L225 Difference]: With dead ends: 5901 [2022-01-10 10:07:57,246 INFO L226 Difference]: Without dead ends: 3148 [2022-01-10 10:07:57,249 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 10:07:57,250 INFO L933 BasicCegarLoop]: 171 mSDtfsCounter, 88 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 10:07:57,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 176 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 10:07:57,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2022-01-10 10:07:57,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 3017. [2022-01-10 10:07:57,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3017 states, 3016 states have (on average 1.067970822281167) internal successors, (3221), 3016 states have internal predecessors, (3221), 0 states have call successors, (0), 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 10:07:57,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 3221 transitions. [2022-01-10 10:07:57,298 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 3221 transitions. Word has length 256 [2022-01-10 10:07:57,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:07:57,298 INFO L470 AbstractCegarLoop]: Abstraction has 3017 states and 3221 transitions. [2022-01-10 10:07:57,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 0 states have call successors, (0), 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 10:07:57,299 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 3221 transitions. [2022-01-10 10:07:57,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-01-10 10:07:57,305 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:07:57,305 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 10:07:57,305 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-10 10:07:57,305 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:07:57,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:07:57,306 INFO L85 PathProgramCache]: Analyzing trace with hash -285977222, now seen corresponding path program 1 times [2022-01-10 10:07:57,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:07:57,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679531799] [2022-01-10 10:07:57,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:07:57,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:07:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:07:57,602 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-01-10 10:07:57,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:07:57,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679531799] [2022-01-10 10:07:57,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679531799] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:07:57,603 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:07:57,603 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:07:57,603 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513845783] [2022-01-10 10:07:57,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:07:57,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:07:57,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:07:57,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:07:57,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:07:57,605 INFO L87 Difference]: Start difference. First operand 3017 states and 3221 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 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 10:07:58,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:07:58,010 INFO L93 Difference]: Finished difference Result 6032 states and 6452 transitions. [2022-01-10 10:07:58,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:07:58,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 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 278 [2022-01-10 10:07:58,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:07:58,020 INFO L225 Difference]: With dead ends: 6032 [2022-01-10 10:07:58,020 INFO L226 Difference]: Without dead ends: 3148 [2022-01-10 10:07:58,024 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 10:07:58,025 INFO L933 BasicCegarLoop]: 12 mSDtfsCounter, 98 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 10:07:58,025 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [98 Valid, 16 Invalid, 338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 10:07:58,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3148 states. [2022-01-10 10:07:58,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3148 to 2755. [2022-01-10 10:07:58,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2755 states, 2754 states have (on average 1.0657225853304284) internal successors, (2935), 2754 states have internal predecessors, (2935), 0 states have call successors, (0), 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 10:07:58,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2755 states and 2935 transitions. [2022-01-10 10:07:58,064 INFO L78 Accepts]: Start accepts. Automaton has 2755 states and 2935 transitions. Word has length 278 [2022-01-10 10:07:58,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:07:58,065 INFO L470 AbstractCegarLoop]: Abstraction has 2755 states and 2935 transitions. [2022-01-10 10:07:58,065 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 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 10:07:58,065 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 2935 transitions. [2022-01-10 10:07:58,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2022-01-10 10:07:58,072 INFO L506 BasicCegarLoop]: Found error trace [2022-01-10 10:07:58,072 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 10:07:58,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-10 10:07:58,073 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-10 10:07:58,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-10 10:07:58,073 INFO L85 PathProgramCache]: Analyzing trace with hash 432118228, now seen corresponding path program 2 times [2022-01-10 10:07:58,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-10 10:07:58,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784649674] [2022-01-10 10:07:58,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-10 10:07:58,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-10 10:07:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-10 10:07:58,288 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 526 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-01-10 10:07:58,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-10 10:07:58,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784649674] [2022-01-10 10:07:58,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784649674] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-10 10:07:58,289 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-10 10:07:58,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-10 10:07:58,289 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491399418] [2022-01-10 10:07:58,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-10 10:07:58,290 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-10 10:07:58,290 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-10 10:07:58,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-10 10:07:58,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-10 10:07:58,290 INFO L87 Difference]: Start difference. First operand 2755 states and 2935 transitions. Second operand has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 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 10:07:58,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-10 10:07:58,680 INFO L93 Difference]: Finished difference Result 4720 states and 5036 transitions. [2022-01-10 10:07:58,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-10 10:07:58,681 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 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 337 [2022-01-10 10:07:58,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-10 10:07:58,681 INFO L225 Difference]: With dead ends: 4720 [2022-01-10 10:07:58,681 INFO L226 Difference]: Without dead ends: 0 [2022-01-10 10:07:58,685 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 10:07:58,686 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 82 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-01-10 10:07:58,686 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [82 Valid, 167 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-01-10 10:07:58,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-01-10 10:07:58,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-01-10 10:07:58,687 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 10:07:58,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-01-10 10:07:58,687 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 337 [2022-01-10 10:07:58,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-10 10:07:58,687 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-01-10 10:07:58,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 0 states have call successors, (0), 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 10:07:58,688 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-01-10 10:07:58,688 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-01-10 10:07:58,690 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-10 10:07:58,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-10 10:07:58,692 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-01-10 10:07:59,401 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-01-10 10:07:59,401 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-01-10 10:07:59,401 INFO L854 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (let ((.cse9 (= ~a20~0Int 1))) (let ((.cse6 (<= 6 ~a16~0Int)) (.cse3 (not .cse9)) (.cse1 (<= ~a8~0Int 13)) (.cse4 (<= 5 ~a16~0Int)) (.cse8 (= ~a21~0Int 1)) (.cse5 (= ~a7~0Int 0)) (.cse0 (= ~a17~0Int 1)) (.cse7 (<= ~a16~0Int 4)) (.cse10 (<= ~a20~0Int 0)) (.cse2 (= ~a7~0Int 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse6 .cse5) (and (or (and .cse7 .cse1) (and .cse6 .cse1)) .cse2) (and .cse8 .cse5 .cse9) (and .cse5 .cse10) (and .cse3 .cse5 .cse1) (and .cse3 (<= ~a16~0Int 5) .cse4 .cse2) (and .cse7 .cse8 .cse1 .cse9) (and .cse8 .cse4 .cse9 .cse2) (and .cse8 .cse5 .cse0) (and .cse7 .cse10 .cse2)))) [2022-01-10 10:07:59,401 INFO L861 garLoopResultBuilder]: At program point L587(lines 587 604) the Hoare annotation is: true [2022-01-10 10:07:59,401 INFO L858 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2022-01-10 10:07:59,402 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-01-10 10:07:59,402 INFO L858 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2022-01-10 10:07:59,402 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-01-10 10:07:59,402 INFO L854 garLoopResultBuilder]: At program point L584(lines 40 585) the Hoare annotation is: (let ((.cse9 (= ~a20~0Int 1))) (let ((.cse6 (<= 6 ~a16~0Int)) (.cse3 (not .cse9)) (.cse1 (<= ~a8~0Int 13)) (.cse4 (<= 5 ~a16~0Int)) (.cse8 (= ~a21~0Int 1)) (.cse5 (= ~a7~0Int 0)) (.cse0 (= ~a17~0Int 1)) (.cse7 (<= ~a16~0Int 4)) (.cse10 (<= ~a20~0Int 0)) (.cse2 (= ~a7~0Int 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5) (and .cse6 .cse5) (and (or (and .cse7 .cse1) (and .cse6 .cse1)) .cse2) (and .cse8 .cse5 .cse9) (and .cse5 .cse10) (and .cse3 .cse5 .cse1) (and .cse3 (<= ~a16~0Int 5) .cse4 .cse2) (and .cse7 .cse8 .cse1 .cse9) (and .cse8 .cse4 .cse9 .cse2) (and .cse8 .cse5 .cse0) (and .cse7 .cse10 .cse2)))) [2022-01-10 10:07:59,402 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2022-01-10 10:07:59,402 INFO L858 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2022-01-10 10:07:59,402 INFO L858 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2022-01-10 10:07:59,402 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2022-01-10 10:07:59,403 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2022-01-10 10:07:59,403 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2022-01-10 10:07:59,403 INFO L858 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2022-01-10 10:07:59,403 INFO L858 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2022-01-10 10:07:59,403 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2022-01-10 10:07:59,403 INFO L858 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2022-01-10 10:07:59,403 INFO L858 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2022-01-10 10:07:59,403 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2022-01-10 10:07:59,403 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2022-01-10 10:07:59,403 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2022-01-10 10:07:59,403 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2022-01-10 10:07:59,404 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2022-01-10 10:07:59,404 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2022-01-10 10:07:59,406 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2022-01-10 10:07:59,406 INFO L858 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2022-01-10 10:07:59,407 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2022-01-10 10:07:59,407 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2022-01-10 10:07:59,407 INFO L858 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2022-01-10 10:07:59,407 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2022-01-10 10:07:59,407 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2022-01-10 10:07:59,407 INFO L858 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2022-01-10 10:07:59,407 INFO L858 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2022-01-10 10:07:59,407 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2022-01-10 10:07:59,407 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2022-01-10 10:07:59,408 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2022-01-10 10:07:59,408 INFO L858 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2022-01-10 10:07:59,408 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2022-01-10 10:07:59,408 INFO L858 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2022-01-10 10:07:59,408 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2022-01-10 10:07:59,408 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2022-01-10 10:07:59,408 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2022-01-10 10:07:59,408 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2022-01-10 10:07:59,408 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2022-01-10 10:07:59,408 INFO L858 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2022-01-10 10:07:59,409 INFO L858 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2022-01-10 10:07:59,409 INFO L858 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2022-01-10 10:07:59,409 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2022-01-10 10:07:59,409 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2022-01-10 10:07:59,409 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2022-01-10 10:07:59,409 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2022-01-10 10:07:59,409 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2022-01-10 10:07:59,409 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2022-01-10 10:07:59,409 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2022-01-10 10:07:59,410 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2022-01-10 10:07:59,410 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2022-01-10 10:07:59,410 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2022-01-10 10:07:59,410 INFO L858 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2022-01-10 10:07:59,410 INFO L858 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2022-01-10 10:07:59,410 INFO L858 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2022-01-10 10:07:59,410 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2022-01-10 10:07:59,410 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2022-01-10 10:07:59,410 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2022-01-10 10:07:59,410 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2022-01-10 10:07:59,411 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2022-01-10 10:07:59,411 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2022-01-10 10:07:59,411 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2022-01-10 10:07:59,411 INFO L858 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2022-01-10 10:07:59,411 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2022-01-10 10:07:59,411 INFO L858 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2022-01-10 10:07:59,411 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2022-01-10 10:07:59,411 INFO L858 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2022-01-10 10:07:59,411 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2022-01-10 10:07:59,411 INFO L858 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2022-01-10 10:07:59,412 INFO L858 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,412 INFO L858 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2022-01-10 10:07:59,412 INFO L858 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,412 INFO L858 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2022-01-10 10:07:59,412 INFO L858 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,412 INFO L858 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2022-01-10 10:07:59,412 INFO L858 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,412 INFO L858 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2022-01-10 10:07:59,412 INFO L858 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,412 INFO L858 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2022-01-10 10:07:59,413 INFO L858 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,413 INFO L858 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2022-01-10 10:07:59,413 INFO L858 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,413 INFO L858 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2022-01-10 10:07:59,413 INFO L858 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,413 INFO L858 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2022-01-10 10:07:59,413 INFO L858 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,413 INFO L858 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2022-01-10 10:07:59,413 INFO L858 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,413 INFO L858 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2022-01-10 10:07:59,414 INFO L858 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,414 INFO L858 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2022-01-10 10:07:59,414 INFO L858 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,414 INFO L858 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2022-01-10 10:07:59,414 INFO L858 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,414 INFO L858 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2022-01-10 10:07:59,414 INFO L858 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,414 INFO L858 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2022-01-10 10:07:59,414 INFO L858 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,415 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 444) no Hoare annotation was computed. [2022-01-10 10:07:59,415 INFO L858 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2022-01-10 10:07:59,415 INFO L858 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,415 INFO L858 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2022-01-10 10:07:59,415 INFO L858 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,415 INFO L858 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2022-01-10 10:07:59,415 INFO L858 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,415 INFO L858 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2022-01-10 10:07:59,415 INFO L858 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,415 INFO L858 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2022-01-10 10:07:59,416 INFO L858 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,416 INFO L858 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2022-01-10 10:07:59,416 INFO L858 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,416 INFO L858 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2022-01-10 10:07:59,416 INFO L858 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,416 INFO L858 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2022-01-10 10:07:59,416 INFO L858 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,416 INFO L858 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2022-01-10 10:07:59,416 INFO L858 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,416 INFO L858 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2022-01-10 10:07:59,416 INFO L858 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,417 INFO L858 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2022-01-10 10:07:59,417 INFO L858 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,417 INFO L858 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2022-01-10 10:07:59,417 INFO L858 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,417 INFO L858 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2022-01-10 10:07:59,417 INFO L858 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,417 INFO L858 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2022-01-10 10:07:59,417 INFO L858 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,417 INFO L858 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2022-01-10 10:07:59,417 INFO L858 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,418 INFO L858 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2022-01-10 10:07:59,418 INFO L858 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,418 INFO L858 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2022-01-10 10:07:59,418 INFO L858 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,418 INFO L858 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2022-01-10 10:07:59,418 INFO L858 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,418 INFO L858 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2022-01-10 10:07:59,418 INFO L858 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,418 INFO L858 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2022-01-10 10:07:59,418 INFO L858 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,419 INFO L858 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2022-01-10 10:07:59,419 INFO L858 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,419 INFO L858 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2022-01-10 10:07:59,419 INFO L858 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,419 INFO L858 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2022-01-10 10:07:59,419 INFO L858 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,419 INFO L858 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2022-01-10 10:07:59,419 INFO L858 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,419 INFO L858 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2022-01-10 10:07:59,419 INFO L858 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,419 INFO L858 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2022-01-10 10:07:59,420 INFO L858 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,420 INFO L858 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2022-01-10 10:07:59,420 INFO L858 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,420 INFO L858 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2022-01-10 10:07:59,420 INFO L858 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,420 INFO L858 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2022-01-10 10:07:59,420 INFO L858 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,420 INFO L858 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2022-01-10 10:07:59,420 INFO L858 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,421 INFO L858 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2022-01-10 10:07:59,421 INFO L858 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,421 INFO L858 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2022-01-10 10:07:59,421 INFO L858 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,421 INFO L858 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2022-01-10 10:07:59,421 INFO L858 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,421 INFO L858 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2022-01-10 10:07:59,421 INFO L858 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,421 INFO L858 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2022-01-10 10:07:59,421 INFO L858 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,421 INFO L858 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2022-01-10 10:07:59,422 INFO L858 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,422 INFO L858 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2022-01-10 10:07:59,422 INFO L858 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,422 INFO L858 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2022-01-10 10:07:59,422 INFO L858 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,422 INFO L858 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2022-01-10 10:07:59,422 INFO L858 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,422 INFO L858 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2022-01-10 10:07:59,422 INFO L858 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,422 INFO L858 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2022-01-10 10:07:59,423 INFO L858 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,423 INFO L858 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2022-01-10 10:07:59,423 INFO L858 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,423 INFO L858 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2022-01-10 10:07:59,423 INFO L858 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,423 INFO L858 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2022-01-10 10:07:59,423 INFO L858 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,423 INFO L858 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2022-01-10 10:07:59,423 INFO L858 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2022-01-10 10:07:59,423 INFO L858 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2022-01-10 10:07:59,424 INFO L858 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2022-01-10 10:07:59,427 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-10 10:07:59,428 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-10 10:07:59,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.01 10:07:59 BasicIcfg [2022-01-10 10:07:59,446 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-10 10:07:59,447 INFO L158 Benchmark]: Toolchain (without parser) took 12246.28ms. Allocated memory was 182.5MB in the beginning and 326.1MB in the end (delta: 143.7MB). Free memory was 129.3MB in the beginning and 285.7MB in the end (delta: -156.4MB). Peak memory consumption was 141.0MB. Max. memory is 8.0GB. [2022-01-10 10:07:59,447 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 182.5MB. Free memory was 147.9MB in the beginning and 147.8MB in the end (delta: 115.7kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-10 10:07:59,448 INFO L158 Benchmark]: CACSL2BoogieTranslator took 534.50ms. Allocated memory was 182.5MB in the beginning and 219.2MB in the end (delta: 36.7MB). Free memory was 129.1MB in the beginning and 177.7MB in the end (delta: -48.5MB). Peak memory consumption was 11.4MB. Max. memory is 8.0GB. [2022-01-10 10:07:59,448 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.60ms. Allocated memory is still 219.2MB. Free memory was 177.7MB in the beginning and 171.9MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-01-10 10:07:59,448 INFO L158 Benchmark]: Boogie Preprocessor took 77.28ms. Allocated memory is still 219.2MB. Free memory was 171.9MB in the beginning and 167.2MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-01-10 10:07:59,449 INFO L158 Benchmark]: RCFGBuilder took 1002.31ms. Allocated memory is still 219.2MB. Free memory was 167.2MB in the beginning and 107.4MB in the end (delta: 59.8MB). Peak memory consumption was 59.8MB. Max. memory is 8.0GB. [2022-01-10 10:07:59,449 INFO L158 Benchmark]: IcfgTransformer took 246.40ms. Allocated memory is still 219.2MB. Free memory was 107.4MB in the beginning and 187.9MB in the end (delta: -80.4MB). Peak memory consumption was 46.4MB. Max. memory is 8.0GB. [2022-01-10 10:07:59,449 INFO L158 Benchmark]: TraceAbstraction took 10301.16ms. Allocated memory was 219.2MB in the beginning and 326.1MB in the end (delta: 107.0MB). Free memory was 187.4MB in the beginning and 285.7MB in the end (delta: -98.3MB). Peak memory consumption was 161.7MB. Max. memory is 8.0GB. [2022-01-10 10:07:59,451 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 182.5MB. Free memory was 147.9MB in the beginning and 147.8MB in the end (delta: 115.7kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 534.50ms. Allocated memory was 182.5MB in the beginning and 219.2MB in the end (delta: 36.7MB). Free memory was 129.1MB in the beginning and 177.7MB in the end (delta: -48.5MB). Peak memory consumption was 11.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 79.60ms. Allocated memory is still 219.2MB. Free memory was 177.7MB in the beginning and 171.9MB in the end (delta: 5.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 77.28ms. Allocated memory is still 219.2MB. Free memory was 171.9MB in the beginning and 167.2MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1002.31ms. Allocated memory is still 219.2MB. Free memory was 167.2MB in the beginning and 107.4MB in the end (delta: 59.8MB). Peak memory consumption was 59.8MB. Max. memory is 8.0GB. * IcfgTransformer took 246.40ms. Allocated memory is still 219.2MB. Free memory was 107.4MB in the beginning and 187.9MB in the end (delta: -80.4MB). Peak memory consumption was 46.4MB. Max. memory is 8.0GB. * TraceAbstraction took 10301.16ms. Allocated memory was 219.2MB in the beginning and 326.1MB in the end (delta: 107.0MB). Free memory was 187.4MB in the beginning and 285.7MB in the end (delta: -98.3MB). Peak memory consumption was 161.7MB. 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: 444]: 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: 10.2s, OverallIterations: 13, TraceHistogramMax: 7, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1834 SdHoareTripleChecker+Valid, 6.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1834 mSDsluCounter, 1241 SdHoareTripleChecker+Invalid, 5.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 79 mSDsCounter, 654 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4620 IncrementalHoareTripleChecker+Invalid, 5274 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 654 mSolverCounterUnsat, 1162 mSDtfsCounter, 4620 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3017occurred in iteration=8, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 2096 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 45 NumberOfFragments, 273 HoareAnnotationTreeSize, 3 FomulaSimplifications, 540 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1118 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2403 NumberOfCodeBlocks, 2403 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2390 ConstructedInterpolants, 0 QuantifiedInterpolants, 3829 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 2871/2871 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: (((((((((((a7 == 0bv32 && ~bvule32(a20, 0bv32)) || ((a7 == 1bv32 && ~bvule32(a16, 4bv32)) && ~bvule32(a20, 0bv32))) || ((a7 == 0bv32 && 1bv32 == a17) && 1bv32 == a21)) || ((a7 == 0bv32 && !(1bv32 == a20)) && ~bvule32(5bv32, a16))) || ((~bvule32(a8, 13bv32) && a7 == 0bv32) && !(1bv32 == a20))) || (((a7 == 1bv32 && !(1bv32 == a20)) && ~bvule32(a16, 5bv32)) && ~bvule32(5bv32, a16))) || ((1bv32 == a20 && a7 == 0bv32) && 1bv32 == a21)) || ((~bvule32(a8, 13bv32) && a7 == 1bv32) && 1bv32 == a17)) || (a7 == 0bv32 && ~bvule32(6bv32, a16))) || (((1bv32 == a20 && ~bvule32(a8, 13bv32)) && ~bvule32(a16, 4bv32)) && 1bv32 == a21)) || (((1bv32 == a20 && a7 == 1bv32) && ~bvule32(5bv32, a16)) && 1bv32 == a21)) || (a7 == 1bv32 && ((~bvule32(a8, 13bv32) && ~bvule32(6bv32, a16)) || (~bvule32(a8, 13bv32) && ~bvule32(a16, 4bv32)))) - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((((((((a7 == 0bv32 && ~bvule32(a20, 0bv32)) || ((a7 == 1bv32 && ~bvule32(a16, 4bv32)) && ~bvule32(a20, 0bv32))) || ((a7 == 0bv32 && 1bv32 == a17) && 1bv32 == a21)) || ((a7 == 0bv32 && !(1bv32 == a20)) && ~bvule32(5bv32, a16))) || ((~bvule32(a8, 13bv32) && a7 == 0bv32) && !(1bv32 == a20))) || (((a7 == 1bv32 && !(1bv32 == a20)) && ~bvule32(a16, 5bv32)) && ~bvule32(5bv32, a16))) || ((1bv32 == a20 && a7 == 0bv32) && 1bv32 == a21)) || ((~bvule32(a8, 13bv32) && a7 == 1bv32) && 1bv32 == a17)) || (a7 == 0bv32 && ~bvule32(6bv32, a16))) || (((1bv32 == a20 && ~bvule32(a8, 13bv32)) && ~bvule32(a16, 4bv32)) && 1bv32 == a21)) || (((1bv32 == a20 && a7 == 1bv32) && ~bvule32(5bv32, a16)) && 1bv32 == a21)) || (a7 == 1bv32 && ((~bvule32(a8, 13bv32) && ~bvule32(6bv32, a16)) || (~bvule32(a8, 13bv32) && ~bvule32(a16, 4bv32)))) RESULT: Ultimate proved your program to be correct! [2022-01-10 10:07:59,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...