/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-acceleration/multivar_1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-c225d54 [2021-05-02 17:54:30,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-02 17:54:30,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-02 17:54:30,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-02 17:54:30,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-02 17:54:30,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-02 17:54:30,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-02 17:54:30,646 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-02 17:54:30,648 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-02 17:54:30,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-02 17:54:30,652 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-02 17:54:30,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-02 17:54:30,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-02 17:54:30,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-02 17:54:30,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-02 17:54:30,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-02 17:54:30,661 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-02 17:54:30,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-02 17:54:30,664 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-02 17:54:30,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-02 17:54:30,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-02 17:54:30,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-02 17:54:30,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-02 17:54:30,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-02 17:54:30,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-05-02 17:54:30,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-05-02 17:54:30,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-05-02 17:54:30,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-05-02 17:54:30,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-05-02 17:54:30,676 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-05-02 17:54:30,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-05-02 17:54:30,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-05-02 17:54:30,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-05-02 17:54:30,677 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-05-02 17:54:30,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-05-02 17:54:30,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-05-02 17:54:30,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-05-02 17:54:30,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-05-02 17:54:30,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-02 17:54:30,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-02 17:54:30,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-02 17:54:30,680 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2021-05-02 17:54:30,687 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-02 17:54:30,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-02 17:54:30,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-02 17:54:30,688 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-02 17:54:30,688 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-02 17:54:30,689 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-02 17:54:30,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-02 17:54:30,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-02 17:54:30,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-02 17:54:30,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-02 17:54:30,689 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-02 17:54:30,689 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-02 17:54:30,689 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-02 17:54:30,689 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-02 17:54:30,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-02 17:54:30,690 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-02 17:54:30,690 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-02 17:54:30,690 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-02 17:54:30,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-02 17:54:30,690 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-02 17:54:30,690 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-02 17:54:30,691 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-05-02 17:54:30,691 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-02 17:54:30,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-02 17:54:30,927 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-02 17:54:30,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-02 17:54:30,930 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-02 17:54:30,933 INFO L275 PluginConnector]: CDTParser initialized [2021-05-02 17:54:30,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/multivar_1-1.c [2021-05-02 17:54:30,983 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee4503dfc/dcbe7ccec8f641ca8c65d6407f68a22f/FLAG866a2b820 [2021-05-02 17:54:31,344 INFO L306 CDTParser]: Found 1 translation units. [2021-05-02 17:54:31,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/multivar_1-1.c [2021-05-02 17:54:31,348 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee4503dfc/dcbe7ccec8f641ca8c65d6407f68a22f/FLAG866a2b820 [2021-05-02 17:54:31,772 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee4503dfc/dcbe7ccec8f641ca8c65d6407f68a22f [2021-05-02 17:54:31,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-02 17:54:31,775 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-02 17:54:31,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-02 17:54:31,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-02 17:54:31,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-02 17:54:31,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 05:54:31" (1/1) ... [2021-05-02 17:54:31,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39e24c56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:54:31, skipping insertion in model container [2021-05-02 17:54:31,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 05:54:31" (1/1) ... [2021-05-02 17:54:31,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-02 17:54:31,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-02 17:54:31,873 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-acceleration/multivar_1-1.c[374,387] [2021-05-02 17:54:31,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 17:54:31,887 INFO L203 MainTranslator]: Completed pre-run [2021-05-02 17:54:31,894 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-acceleration/multivar_1-1.c[374,387] [2021-05-02 17:54:31,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 17:54:31,904 INFO L208 MainTranslator]: Completed translation [2021-05-02 17:54:31,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:54:31 WrapperNode [2021-05-02 17:54:31,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-02 17:54:31,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-02 17:54:31,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-02 17:54:31,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-02 17:54:31,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:54:31" (1/1) ... [2021-05-02 17:54:31,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:54:31" (1/1) ... [2021-05-02 17:54:31,927 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:54:31" (1/1) ... [2021-05-02 17:54:31,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:54:31" (1/1) ... [2021-05-02 17:54:31,944 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:54:31" (1/1) ... [2021-05-02 17:54:31,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:54:31" (1/1) ... [2021-05-02 17:54:31,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:54:31" (1/1) ... [2021-05-02 17:54:31,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-02 17:54:31,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-02 17:54:31,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-02 17:54:31,949 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-02 17:54:31,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:54:31" (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 [2021-05-02 17:54:32,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-02 17:54:32,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-02 17:54:32,005 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-02 17:54:32,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-02 17:54:32,005 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-02 17:54:32,006 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-02 17:54:32,006 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-02 17:54:32,006 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-02 17:54:32,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-02 17:54:32,006 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2021-05-02 17:54:32,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-02 17:54:32,007 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-02 17:54:32,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-02 17:54:32,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-02 17:54:32,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-02 17:54:32,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-02 17:54:32,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-02 17:54:32,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-02 17:54:32,161 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-02 17:54:32,161 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-05-02 17:54:32,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 05:54:32 BoogieIcfgContainer [2021-05-02 17:54:32,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-02 17:54:32,163 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2021-05-02 17:54:32,163 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2021-05-02 17:54:32,164 INFO L275 PluginConnector]: IcfgTransformer initialized [2021-05-02 17:54:32,165 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 05:54:32" (1/1) ... [2021-05-02 17:54:32,206 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< (mod v_main_~x~0_4 4294967296) 1024) InVars {main_~x~0=v_main_~x~0_4} OutVars{main_~x~0=v_main_~x~0_4} AuxVars[] AssignedVars[] [2021-05-02 17:54:32,239 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 94.2 percent of original size [2021-05-02 17:54:32,402 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 94.2 percent of original size 65 [2021-05-02 17:54:32,449 INFO L1112 elerationTransformer]: Accelerated Formula: (and (< (mod v_main_~x~0_4 4294967296) 1024) (= v_main_~x~0_3 (+ v_main_~x~0_4 1)) (= v_main_~y~0_2 (+ v_main_~y~0_3 1))) InVars {main_~x~0=v_main_~x~0_4, main_~y~0=v_main_~y~0_3} OutVars{main_~x~0=v_main_~x~0_3, main_~y~0=v_main_~y~0_2, main_#t~post8=|v_main_#t~post8_1|, main_#t~post9=|v_main_#t~post9_1|} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_#t~post8, main_#t~post9] with Formula: (let ((.cse0 (mod v_main_~x~0_4 4294967296))) (or (and (= |v_main_#t~post9_3| |v_main_#t~post9_1|) (= v_itFin_1 0) (= |v_main_#t~post8_3| |v_main_#t~post8_1|) (= v_main_~x~0_4 v_main_~x~0_3) (= v_main_~y~0_3 v_main_~y~0_2) (<= 1024 .cse0)) (let ((.cse1 (+ v_itFin_1 v_main_~x~0_4))) (and (= v_main_~y~0_2 (+ v_itFin_1 v_main_~y~0_3)) (<= 1024 (mod .cse1 4294967296)) (< 0 v_itFin_1) (< .cse0 1024) (<= (div (+ (* v_itFin_1 (- 1)) (* v_main_~x~0_4 (- 1)) 1024) (- 4294967296)) (+ (div (+ v_main_~x~0_4 (- 4294967295)) 4294967296) 1)) (= v_main_~x~0_3 .cse1))))) InVars {main_~y~0=v_main_~y~0_3, main_~x~0=v_main_~x~0_4, main_#t~post8=|v_main_#t~post8_3|, main_#t~post9=|v_main_#t~post9_3|} OutVars{main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_3, main_#t~post8=|v_main_#t~post8_1|, main_#t~post9=|v_main_#t~post9_1|} AuxVars[v_itFin_1] AssignedVars[main_~x~0, main_~y~0, main_#t~post8, main_#t~post9] [2021-05-02 17:54:32,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 02.05 05:54:32 BasicIcfg [2021-05-02 17:54:32,455 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2021-05-02 17:54:32,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-02 17:54:32,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-02 17:54:32,458 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-02 17:54:32,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.05 05:54:31" (1/4) ... [2021-05-02 17:54:32,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2615711 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 05:54:32, skipping insertion in model container [2021-05-02 17:54:32,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:54:31" (2/4) ... [2021-05-02 17:54:32,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2615711 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 05:54:32, skipping insertion in model container [2021-05-02 17:54:32,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 05:54:32" (3/4) ... [2021-05-02 17:54:32,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2615711 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.05 05:54:32, skipping insertion in model container [2021-05-02 17:54:32,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 02.05 05:54:32" (4/4) ... [2021-05-02 17:54:32,461 INFO L111 eAbstractionObserver]: Analyzing ICFG multivar_1-1.cJordan [2021-05-02 17:54:32,464 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2021-05-02 17:54:32,466 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-02 17:54:32,477 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-02 17:54:32,488 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-02 17:54:32,488 INFO L377 AbstractCegarLoop]: Hoare is false [2021-05-02 17:54:32,489 INFO L378 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2021-05-02 17:54:32,489 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-02 17:54:32,489 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-02 17:54:32,489 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-02 17:54:32,489 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-02 17:54:32,489 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-02 17:54:32,498 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 10 states have (on average 1.4) internal successors, (14), 11 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-05-02 17:54:32,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-05-02 17:54:32,502 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 17:54:32,503 INFO L523 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 17:54:32,503 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 17:54:32,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 17:54:32,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1690616289, now seen corresponding path program 1 times [2021-05-02 17:54:32,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 17:54:32,512 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919664601] [2021-05-02 17:54:32,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 17:54:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 17:54:32,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 17:54:32,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 17:54:32,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 17:54:32,671 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 17:54:32,671 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919664601] [2021-05-02 17:54:32,671 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919664601] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 17:54:32,672 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 17:54:32,672 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-02 17:54:32,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907179244] [2021-05-02 17:54:32,675 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-02 17:54:32,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 17:54:32,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-02 17:54:32,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-02 17:54:32,686 INFO L87 Difference]: Start difference. First operand has 18 states, 10 states have (on average 1.4) internal successors, (14), 11 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 17:54:32,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 17:54:32,722 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2021-05-02 17:54:32,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-02 17:54:32,724 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2021-05-02 17:54:32,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 17:54:32,729 INFO L225 Difference]: With dead ends: 18 [2021-05-02 17:54:32,729 INFO L226 Difference]: Without dead ends: 12 [2021-05-02 17:54:32,730 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 23.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-02 17:54:32,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2021-05-02 17:54:32,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-05-02 17:54:32,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 17:54:32,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2021-05-02 17:54:32,751 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 11 [2021-05-02 17:54:32,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 17:54:32,751 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2021-05-02 17:54:32,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 17:54:32,751 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2021-05-02 17:54:32,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-05-02 17:54:32,752 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 17:54:32,752 INFO L523 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 17:54:32,752 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-02 17:54:32,752 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 17:54:32,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 17:54:32,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1689692768, now seen corresponding path program 1 times [2021-05-02 17:54:32,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 17:54:32,753 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852420985] [2021-05-02 17:54:32,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 17:54:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 17:54:32,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 17:54:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 17:54:32,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-02 17:54:32,929 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 17:54:32,929 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852420985] [2021-05-02 17:54:32,929 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852420985] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 17:54:32,929 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 17:54:32,929 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-05-02 17:54:32,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401453588] [2021-05-02 17:54:32,930 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-05-02 17:54:32,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 17:54:32,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-05-02 17:54:32,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-05-02 17:54:32,931 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 17:54:33,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 17:54:33,010 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2021-05-02 17:54:33,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-02 17:54:33,010 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2021-05-02 17:54:33,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 17:54:33,011 INFO L225 Difference]: With dead ends: 10 [2021-05-02 17:54:33,011 INFO L226 Difference]: Without dead ends: 0 [2021-05-02 17:54:33,011 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 96.6ms TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-05-02 17:54:33,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-02 17:54:33,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-02 17:54:33,012 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) [2021-05-02 17:54:33,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-02 17:54:33,012 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2021-05-02 17:54:33,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 17:54:33,012 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-02 17:54:33,012 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 states have internal predecessors, (7), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-02 17:54:33,012 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-02 17:54:33,012 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-02 17:54:33,013 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-02 17:54:33,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.05 05:54:33 BasicIcfg [2021-05-02 17:54:33,015 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-02 17:54:33,016 INFO L168 Benchmark]: Toolchain (without parser) took 1240.90 ms. Allocated memory is still 185.6 MB. Free memory was 151.5 MB in the beginning and 83.4 MB in the end (delta: 68.1 MB). Peak memory consumption was 68.2 MB. Max. memory is 8.0 GB. [2021-05-02 17:54:33,016 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 185.6 MB. Free memory is still 168.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-05-02 17:54:33,016 INFO L168 Benchmark]: CACSL2BoogieTranslator took 126.07 ms. Allocated memory is still 185.6 MB. Free memory was 151.4 MB in the beginning and 142.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-05-02 17:54:33,017 INFO L168 Benchmark]: Boogie Preprocessor took 42.84 ms. Allocated memory is still 185.6 MB. Free memory was 142.1 MB in the beginning and 169.2 MB in the end (delta: -27.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 8.0 GB. [2021-05-02 17:54:33,017 INFO L168 Benchmark]: RCFGBuilder took 214.12 ms. Allocated memory is still 185.6 MB. Free memory was 168.8 MB in the beginning and 155.7 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-05-02 17:54:33,017 INFO L168 Benchmark]: IcfgTransformer took 292.49 ms. Allocated memory is still 185.6 MB. Free memory was 155.2 MB in the beginning and 138.4 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-05-02 17:54:33,018 INFO L168 Benchmark]: TraceAbstraction took 558.70 ms. Allocated memory is still 185.6 MB. Free memory was 137.9 MB in the beginning and 83.4 MB in the end (delta: 54.5 MB). Peak memory consumption was 54.5 MB. Max. memory is 8.0 GB. [2021-05-02 17:54:33,019 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from IcfgTransformer: - StatisticsResult: Jordan loop acceleration statistics 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 185.6 MB. Free memory is still 168.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 126.07 ms. Allocated memory is still 185.6 MB. Free memory was 151.4 MB in the beginning and 142.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 42.84 ms. Allocated memory is still 185.6 MB. Free memory was 142.1 MB in the beginning and 169.2 MB in the end (delta: -27.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 214.12 ms. Allocated memory is still 185.6 MB. Free memory was 168.8 MB in the beginning and 155.7 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * IcfgTransformer took 292.49 ms. Allocated memory is still 185.6 MB. Free memory was 155.2 MB in the beginning and 138.4 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 558.70 ms. Allocated memory is still 185.6 MB. Free memory was 137.9 MB in the beginning and 83.4 MB in the end (delta: 54.5 MB). Peak memory consumption was 54.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: 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 4 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 526.4ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 7.8ms, AutomataDifference: 135.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 21 SDtfs, 13 SDslu, 19 SDs, 0 SdLazy, 20 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 38.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 120.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 12.8ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 6.1ms SsaConstructionTime, 60.8ms SatisfiabilityAnalysisTime, 225.3ms InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 90 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...