/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/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-6253b08 [2021-05-06 06:08:26,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-06 06:08:26,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-06 06:08:27,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-06 06:08:27,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-06 06:08:27,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-06 06:08:27,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-06 06:08:27,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-06 06:08:27,038 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-06 06:08:27,039 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-06 06:08:27,040 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-06 06:08:27,040 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-06 06:08:27,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-06 06:08:27,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-06 06:08:27,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-06 06:08:27,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-06 06:08:27,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-06 06:08:27,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-06 06:08:27,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-06 06:08:27,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-06 06:08:27,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-06 06:08:27,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-06 06:08:27,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-06 06:08:27,056 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-06 06:08:27,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-05-06 06:08:27,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-05-06 06:08:27,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-05-06 06:08:27,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-05-06 06:08:27,061 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-05-06 06:08:27,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-05-06 06:08:27,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-05-06 06:08:27,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-05-06 06:08:27,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-05-06 06:08:27,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-05-06 06:08:27,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-05-06 06:08:27,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-05-06 06:08:27,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-05-06 06:08:27,064 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-05-06 06:08:27,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-06 06:08:27,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-06 06:08:27,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-06 06:08:27,070 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2021-05-06 06:08:27,083 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-06 06:08:27,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-06 06:08:27,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-06 06:08:27,086 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-06 06:08:27,086 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-06 06:08:27,086 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-06 06:08:27,086 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-06 06:08:27,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-06 06:08:27,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-06 06:08:27,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-06 06:08:27,087 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-06 06:08:27,087 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-06 06:08:27,087 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-06 06:08:27,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-06 06:08:27,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-06 06:08:27,088 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-06 06:08:27,088 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-06 06:08:27,088 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-06 06:08:27,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-06 06:08:27,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-06 06:08:27,088 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-06 06:08:27,105 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-05-06 06:08:27,106 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-06 06:08:27,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-06 06:08:27,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-06 06:08:27,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-06 06:08:27,477 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-06 06:08:27,478 INFO L275 PluginConnector]: CDTParser initialized [2021-05-06 06:08:27,478 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c [2021-05-06 06:08:27,527 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68509abb0/c3276822798a41989e53bd52774ebd52/FLAG58a881eb7 [2021-05-06 06:08:27,912 INFO L306 CDTParser]: Found 1 translation units. [2021-05-06 06:08:27,913 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c [2021-05-06 06:08:27,918 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68509abb0/c3276822798a41989e53bd52774ebd52/FLAG58a881eb7 [2021-05-06 06:08:28,294 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68509abb0/c3276822798a41989e53bd52774ebd52 [2021-05-06 06:08:28,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-06 06:08:28,302 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-06 06:08:28,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-06 06:08:28,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-06 06:08:28,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-06 06:08:28,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 06:08:28" (1/1) ... [2021-05-06 06:08:28,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e138476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:08:28, skipping insertion in model container [2021-05-06 06:08:28,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 06:08:28" (1/1) ... [2021-05-06 06:08:28,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-06 06:08:28,352 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-06 06:08:28,595 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c[11890,11903] [2021-05-06 06:08:28,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-06 06:08:28,612 INFO L203 MainTranslator]: Completed pre-run [2021-05-06 06:08:28,676 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c[11890,11903] [2021-05-06 06:08:28,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-06 06:08:28,693 INFO L208 MainTranslator]: Completed translation [2021-05-06 06:08:28,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:08:28 WrapperNode [2021-05-06 06:08:28,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-06 06:08:28,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-06 06:08:28,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-06 06:08:28,694 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-06 06:08:28,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:08:28" (1/1) ... [2021-05-06 06:08:28,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:08:28" (1/1) ... [2021-05-06 06:08:28,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:08:28" (1/1) ... [2021-05-06 06:08:28,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:08:28" (1/1) ... [2021-05-06 06:08:28,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:08:28" (1/1) ... [2021-05-06 06:08:28,764 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:08:28" (1/1) ... [2021-05-06 06:08:28,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:08:28" (1/1) ... [2021-05-06 06:08:28,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-06 06:08:28,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-06 06:08:28,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-06 06:08:28,782 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-06 06:08:28,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:08:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-06 06:08:28,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-06 06:08:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-06 06:08:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-06 06:08:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-05-06 06:08:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2021-05-06 06:08:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_107 [2021-05-06 06:08:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_110 [2021-05-06 06:08:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_113 [2021-05-06 06:08:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_114 [2021-05-06 06:08:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_115 [2021-05-06 06:08:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_117 [2021-05-06 06:08:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_118 [2021-05-06 06:08:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-06 06:08:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-06 06:08:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-06 06:08:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-06 06:08:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-06 06:08:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-06 06:08:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-05-06 06:08:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2021-05-06 06:08:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2021-05-06 06:08:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_107 [2021-05-06 06:08:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_110 [2021-05-06 06:08:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_113 [2021-05-06 06:08:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_114 [2021-05-06 06:08:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_115 [2021-05-06 06:08:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-05-06 06:08:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_117 [2021-05-06 06:08:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_118 [2021-05-06 06:08:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-05-06 06:08:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-06 06:08:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-06 06:08:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-05-06 06:08:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-06 06:08:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-06 06:08:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-06 06:08:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-06 06:08:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-05-06 06:08:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-05-06 06:08:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-06 06:08:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-05-06 06:08:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-06 06:08:29,299 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-06 06:08:29,299 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-05-06 06:08:29,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 06:08:29 BoogieIcfgContainer [2021-05-06 06:08:29,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-06 06:08:29,301 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2021-05-06 06:08:29,301 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2021-05-06 06:08:29,302 INFO L275 PluginConnector]: IcfgTransformer initialized [2021-05-06 06:08:29,303 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 06:08:29" (1/1) ... [2021-05-06 06:08:29,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.05 06:08:29 BasicIcfg [2021-05-06 06:08:29,320 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2021-05-06 06:08:29,321 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-06 06:08:29,321 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-06 06:08:29,323 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-06 06:08:29,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 06:08:28" (1/4) ... [2021-05-06 06:08:29,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d43e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 06:08:29, skipping insertion in model container [2021-05-06 06:08:29,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:08:28" (2/4) ... [2021-05-06 06:08:29,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d43e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 06:08:29, skipping insertion in model container [2021-05-06 06:08:29,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 06:08:29" (3/4) ... [2021-05-06 06:08:29,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d43e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.05 06:08:29, skipping insertion in model container [2021-05-06 06:08:29,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.05 06:08:29" (4/4) ... [2021-05-06 06:08:29,325 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_1.cJordan [2021-05-06 06:08:29,328 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2021-05-06 06:08:29,331 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-06 06:08:29,341 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-06 06:08:29,365 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-06 06:08:29,365 INFO L377 AbstractCegarLoop]: Hoare is false [2021-05-06 06:08:29,365 INFO L378 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2021-05-06 06:08:29,366 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-06 06:08:29,366 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-06 06:08:29,366 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-06 06:08:29,366 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-06 06:08:29,366 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-06 06:08:29,381 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 98 states have (on average 1.5408163265306123) internal successors, (151), 100 states have internal predecessors, (151), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2021-05-06 06:08:29,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-05-06 06:08:29,394 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 06:08:29,394 INFO L523 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] [2021-05-06 06:08:29,395 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 06:08:29,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 06:08:29,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1019923025, now seen corresponding path program 1 times [2021-05-06 06:08:29,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 06:08:29,403 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497498871] [2021-05-06 06:08:29,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 06:08:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 06:08:29,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 06:08:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 06:08:29,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-05-06 06:08:29,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 06:08:29,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-05-06 06:08:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 06:08:29,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 06:08:29,731 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 06:08:29,731 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497498871] [2021-05-06 06:08:29,732 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497498871] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 06:08:29,732 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 06:08:29,732 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-06 06:08:29,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882191245] [2021-05-06 06:08:29,735 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-06 06:08:29,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 06:08:29,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-06 06:08:29,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-06 06:08:29,746 INFO L87 Difference]: Start difference. First operand has 127 states, 98 states have (on average 1.5408163265306123) internal successors, (151), 100 states have internal predecessors, (151), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-06 06:08:29,902 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2021-05-06 06:08:30,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 06:08:30,274 INFO L93 Difference]: Finished difference Result 129 states and 176 transitions. [2021-05-06 06:08:30,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-06 06:08:30,276 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2021-05-06 06:08:30,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 06:08:30,285 INFO L225 Difference]: With dead ends: 129 [2021-05-06 06:08:30,285 INFO L226 Difference]: Without dead ends: 118 [2021-05-06 06:08:30,286 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 264.7ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-05-06 06:08:30,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2021-05-06 06:08:30,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2021-05-06 06:08:30,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2021-05-06 06:08:30,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2021-05-06 06:08:30,314 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 38 [2021-05-06 06:08:30,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 06:08:30,314 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2021-05-06 06:08:30,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-05-06 06:08:30,314 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2021-05-06 06:08:30,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-05-06 06:08:30,316 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 06:08:30,316 INFO L523 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] [2021-05-06 06:08:30,316 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-06 06:08:30,316 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 06:08:30,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 06:08:30,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1240866738, now seen corresponding path program 1 times [2021-05-06 06:08:30,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 06:08:30,317 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693399559] [2021-05-06 06:08:30,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 06:08:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 06:08:30,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 06:08:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 06:08:30,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-05-06 06:08:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 06:08:30,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-05-06 06:08:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 06:08:30,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 06:08:30,512 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 06:08:30,512 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693399559] [2021-05-06 06:08:30,512 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693399559] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 06:08:30,512 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 06:08:30,513 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-05-06 06:08:30,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299115063] [2021-05-06 06:08:30,513 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-05-06 06:08:30,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 06:08:30,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-05-06 06:08:30,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-05-06 06:08:30,514 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-05-06 06:08:30,991 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-05-06 06:08:31,143 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2021-05-06 06:08:31,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 06:08:31,280 INFO L93 Difference]: Finished difference Result 116 states and 162 transitions. [2021-05-06 06:08:31,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-06 06:08:31,281 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2021-05-06 06:08:31,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 06:08:31,282 INFO L225 Difference]: With dead ends: 116 [2021-05-06 06:08:31,282 INFO L226 Difference]: Without dead ends: 0 [2021-05-06 06:08:31,282 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 469.3ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-05-06 06:08:31,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-06 06:08:31,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-06 06:08:31,283 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) [2021-05-06 06:08:31,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-06 06:08:31,283 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2021-05-06 06:08:31,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 06:08:31,283 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-06 06:08:31,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2021-05-06 06:08:31,283 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-06 06:08:31,283 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-06 06:08:31,283 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-06 06:08:31,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.05 06:08:31 BasicIcfg [2021-05-06 06:08:31,286 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-06 06:08:31,287 INFO L168 Benchmark]: Toolchain (without parser) took 2985.27 ms. Allocated memory was 195.0 MB in the beginning and 257.9 MB in the end (delta: 62.9 MB). Free memory was 159.7 MB in the beginning and 170.4 MB in the end (delta: -10.7 MB). Peak memory consumption was 53.6 MB. Max. memory is 8.0 GB. [2021-05-06 06:08:31,287 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 195.0 MB. Free memory is still 177.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-05-06 06:08:31,288 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.14 ms. Allocated memory is still 195.0 MB. Free memory was 159.5 MB in the beginning and 170.9 MB in the end (delta: -11.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-05-06 06:08:31,288 INFO L168 Benchmark]: Boogie Preprocessor took 86.81 ms. Allocated memory is still 195.0 MB. Free memory was 170.9 MB in the beginning and 167.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-05-06 06:08:31,292 INFO L168 Benchmark]: RCFGBuilder took 519.32 ms. Allocated memory is still 195.0 MB. Free memory was 167.2 MB in the beginning and 159.0 MB in the end (delta: 8.2 MB). Peak memory consumption was 50.7 MB. Max. memory is 8.0 GB. [2021-05-06 06:08:31,293 INFO L168 Benchmark]: IcfgTransformer took 18.83 ms. Allocated memory is still 195.0 MB. Free memory was 159.0 MB in the beginning and 155.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-05-06 06:08:31,293 INFO L168 Benchmark]: TraceAbstraction took 1965.33 ms. Allocated memory was 195.0 MB in the beginning and 257.9 MB in the end (delta: 62.9 MB). Free memory was 155.9 MB in the beginning and 170.4 MB in the end (delta: -14.5 MB). Peak memory consumption was 48.4 MB. Max. memory is 8.0 GB. [2021-05-06 06:08:31,295 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 195.0 MB. Free memory is still 177.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 389.14 ms. Allocated memory is still 195.0 MB. Free memory was 159.5 MB in the beginning and 170.9 MB in the end (delta: -11.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 86.81 ms. Allocated memory is still 195.0 MB. Free memory was 170.9 MB in the beginning and 167.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 519.32 ms. Allocated memory is still 195.0 MB. Free memory was 167.2 MB in the beginning and 159.0 MB in the end (delta: 8.2 MB). Peak memory consumption was 50.7 MB. Max. memory is 8.0 GB. * IcfgTransformer took 18.83 ms. Allocated memory is still 195.0 MB. Free memory was 159.0 MB in the beginning and 155.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1965.33 ms. Allocated memory was 195.0 MB in the beginning and 257.9 MB in the end (delta: 62.9 MB). Free memory was 155.9 MB in the beginning and 170.4 MB in the end (delta: -14.5 MB). Peak memory consumption was 48.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 489]: 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 12 procedures, 127 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1920.8ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 17.6ms, AutomataDifference: 1318.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 274 SDtfs, 401 SDslu, 166 SDs, 0 SdLazy, 407 SolverSat, 80 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 612.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 734.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 19.5ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 15.2ms SsaConstructionTime, 70.1ms SatisfiabilityAnalysisTime, 397.7ms InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 360 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...