/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/loop-acceleration/const_1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-1a84f73 [2021-05-01 03:02:12,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-01 03:02:12,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-01 03:02:12,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-01 03:02:12,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-01 03:02:12,540 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-01 03:02:12,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-01 03:02:12,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-01 03:02:12,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-01 03:02:12,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-01 03:02:12,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-01 03:02:12,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-01 03:02:12,545 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-01 03:02:12,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-01 03:02:12,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-01 03:02:12,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-01 03:02:12,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-01 03:02:12,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-01 03:02:12,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-01 03:02:12,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-01 03:02:12,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-01 03:02:12,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-01 03:02:12,561 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-01 03:02:12,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-01 03:02:12,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-01 03:02:12,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-05-01 03:02:12,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-05-01 03:02:12,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-05-01 03:02:12,569 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-05-01 03:02:12,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-05-01 03:02:12,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-05-01 03:02:12,570 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-05-01 03:02:12,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-05-01 03:02:12,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-01 03:02:12,571 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-01 03:02:12,572 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-01 03:02:12,573 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2021-05-01 03:02:12,583 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-01 03:02:12,584 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-01 03:02:12,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-01 03:02:12,585 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-01 03:02:12,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-01 03:02:12,585 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-01 03:02:12,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-01 03:02:12,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-01 03:02:12,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-01 03:02:12,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-01 03:02:12,586 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-01 03:02:12,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-01 03:02:12,586 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-01 03:02:12,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-01 03:02:12,586 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-01 03:02:12,586 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-01 03:02:12,586 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-01 03:02:12,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-01 03:02:12,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-01 03:02:12,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-01 03:02:12,587 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-01 03:02:12,587 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-05-01 03:02:12,588 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-01 03:02:12,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-01 03:02:12,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-01 03:02:12,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-01 03:02:12,853 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-01 03:02:12,855 INFO L275 PluginConnector]: CDTParser initialized [2021-05-01 03:02:12,855 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/const_1-1.c [2021-05-01 03:02:12,903 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a6b0ffc6/283278c38fa344f88551f9ff361b18df/FLAG1b77282b6 [2021-05-01 03:02:13,277 INFO L306 CDTParser]: Found 1 translation units. [2021-05-01 03:02:13,277 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/const_1-1.c [2021-05-01 03:02:13,282 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a6b0ffc6/283278c38fa344f88551f9ff361b18df/FLAG1b77282b6 [2021-05-01 03:02:13,684 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a6b0ffc6/283278c38fa344f88551f9ff361b18df [2021-05-01 03:02:13,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-01 03:02:13,687 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-01 03:02:13,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-01 03:02:13,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-01 03:02:13,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-01 03:02:13,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.05 03:02:13" (1/1) ... [2021-05-01 03:02:13,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cf07423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:02:13, skipping insertion in model container [2021-05-01 03:02:13,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.05 03:02:13" (1/1) ... [2021-05-01 03:02:13,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-01 03:02:13,709 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-01 03:02:13,793 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/const_1-1.c[321,334] [2021-05-01 03:02:13,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-01 03:02:13,805 INFO L203 MainTranslator]: Completed pre-run [2021-05-01 03:02:13,812 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/const_1-1.c[321,334] [2021-05-01 03:02:13,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-01 03:02:13,821 INFO L208 MainTranslator]: Completed translation [2021-05-01 03:02:13,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:02:13 WrapperNode [2021-05-01 03:02:13,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-01 03:02:13,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-01 03:02:13,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-01 03:02:13,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-01 03:02:13,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:02:13" (1/1) ... [2021-05-01 03:02:13,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:02:13" (1/1) ... [2021-05-01 03:02:13,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:02:13" (1/1) ... [2021-05-01 03:02:13,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:02:13" (1/1) ... [2021-05-01 03:02:13,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:02:13" (1/1) ... [2021-05-01 03:02:13,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:02:13" (1/1) ... [2021-05-01 03:02:13,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:02:13" (1/1) ... [2021-05-01 03:02:13,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-01 03:02:13,886 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-01 03:02:13,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-01 03:02:13,887 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-01 03:02:13,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:02:13" (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 [2021-05-01 03:02:13,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-01 03:02:13,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-01 03:02:13,946 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-01 03:02:13,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-01 03:02:13,946 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-01 03:02:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-01 03:02:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-01 03:02:13,946 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-01 03:02:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-01 03:02:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-01 03:02:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-01 03:02:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-01 03:02:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-01 03:02:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-01 03:02:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-01 03:02:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-01 03:02:13,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-01 03:02:14,136 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-01 03:02:14,136 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-05-01 03:02:14,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 03:02:14 BoogieIcfgContainer [2021-05-01 03:02:14,138 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-01 03:02:14,138 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2021-05-01 03:02:14,138 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2021-05-01 03:02:14,139 INFO L275 PluginConnector]: IcfgTransformer initialized [2021-05-01 03:02:14,140 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 03:02:14" (1/1) ... [2021-05-01 03:02:14,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:14,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-05-01 03:02:14,207 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< (mod v_main_~y~0_2 4294967296) 1024) InVars {main_~y~0=v_main_~y~0_2} OutVars{main_~y~0=v_main_~y~0_2} AuxVars[] AssignedVars[] [2021-05-01 03:02:14,231 WARN L240 tifierPushTermWalker]: treesize reduction 4, result has 93.8 percent of original size [2021-05-01 03:02:14,242 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:14,252 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:14,257 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:14,260 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:14,270 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:14,276 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:14,299 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 03:02:14,304 INFO L108 tifierPushTermWalker]: treesize reduction 14, result has 6.7 percent of original size [2021-05-01 03:02:14,308 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:14,316 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:14,320 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:14,347 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:14,350 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:14,355 WARN L245 tifierPushTermWalker]: treesize reduction 4, result has 93.8 percent of original size 60 [2021-05-01 03:02:14,388 INFO L1111 elerationTransformer]: Accelerated Formula: (and (< (mod v_main_~y~0_2 4294967296) 1024) (= v_main_~y~0_1 (+ v_main_~y~0_2 1)) (= v_main_~x~0_1 0)) InVars {main_~y~0=v_main_~y~0_2} OutVars{main_~x~0=v_main_~x~0_1, main_~y~0=v_main_~y~0_1, main_#t~post7=|v_main_#t~post7_1|} AuxVars[] AssignedVars[main_~x~0, main_~y~0, main_#t~post7] with Formula: (let ((.cse0 (mod v_main_~y~0_2 4294967296))) (or (let ((.cse1 (+ v_itFin_1 v_main_~y~0_2))) (and (< .cse0 1024) (<= 1024 (mod .cse1 4294967296)) (< 0 v_itFin_1) (= v_main_~y~0_1 .cse1) (<= (div (+ (* v_itFin_1 (- 1)) (* v_main_~y~0_2 (- 1)) 1024) (- 4294967296)) (+ (div (+ v_main_~y~0_2 (- 4294967295)) 4294967296) 1)) (= v_main_~x~0_1 0))) (and (= v_main_~y~0_2 v_main_~y~0_1) (= |v_main_#t~post7_3| |v_main_#t~post7_1|) (= v_itFin_1 0) (= v_main_~x~0_5 v_main_~x~0_1) (<= 1024 .cse0)))) InVars {main_~y~0=v_main_~y~0_2, main_~x~0=v_main_~x~0_5, main_#t~post7=|v_main_#t~post7_3|} OutVars{main_~y~0=v_main_~y~0_1, main_~x~0=v_main_~x~0_1, main_#t~post7=|v_main_#t~post7_1|} AuxVars[v_itFin_1] AssignedVars[main_~x~0, main_~y~0, main_#t~post7] [2021-05-01 03:02:14,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 01.05 03:02:14 BasicIcfg [2021-05-01 03:02:14,394 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2021-05-01 03:02:14,395 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-01 03:02:14,395 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-01 03:02:14,397 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-01 03:02:14,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.05 03:02:13" (1/4) ... [2021-05-01 03:02:14,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2afd1c96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.05 03:02:14, skipping insertion in model container [2021-05-01 03:02:14,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:02:13" (2/4) ... [2021-05-01 03:02:14,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2afd1c96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.05 03:02:14, skipping insertion in model container [2021-05-01 03:02:14,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 03:02:14" (3/4) ... [2021-05-01 03:02:14,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2afd1c96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.05 03:02:14, skipping insertion in model container [2021-05-01 03:02:14,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 01.05 03:02:14" (4/4) ... [2021-05-01 03:02:14,399 INFO L111 eAbstractionObserver]: Analyzing ICFG const_1-1.cJordan [2021-05-01 03:02:14,403 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2021-05-01 03:02:14,405 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-01 03:02:14,416 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-01 03:02:14,427 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-01 03:02:14,428 INFO L377 AbstractCegarLoop]: Hoare is false [2021-05-01 03:02:14,428 INFO L378 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2021-05-01 03:02:14,428 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-01 03:02:14,428 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-01 03:02:14,428 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-01 03:02:14,428 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-01 03:02:14,428 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-01 03:02:14,437 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) [2021-05-01 03:02:14,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-05-01 03:02:14,442 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 03:02:14,442 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 03:02:14,442 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 03:02:14,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 03:02:14,446 INFO L82 PathProgramCache]: Analyzing trace with hash -1690616289, now seen corresponding path program 1 times [2021-05-01 03:02:14,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-01 03:02:14,452 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900518922] [2021-05-01 03:02:14,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 03:02:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 03:02:14,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:14,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:14,575 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:14,575 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:14,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 03:02:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 03:02:14,626 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:14,626 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:14,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 03:02:14,629 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-01 03:02:14,629 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900518922] [2021-05-01 03:02:14,630 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900518922] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 03:02:14,630 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 03:02:14,630 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-01 03:02:14,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316640273] [2021-05-01 03:02:14,634 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-01 03:02:14,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-01 03:02:14,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-01 03:02:14,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-01 03:02:14,646 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) [2021-05-01 03:02:14,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 03:02:14,678 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2021-05-01 03:02:14,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-01 03:02:14,680 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 [2021-05-01 03:02:14,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 03:02:14,685 INFO L225 Difference]: With dead ends: 18 [2021-05-01 03:02:14,685 INFO L226 Difference]: Without dead ends: 12 [2021-05-01 03:02:14,686 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-01 03:02:14,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2021-05-01 03:02:14,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-05-01 03:02:14,705 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) [2021-05-01 03:02:14,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2021-05-01 03:02:14,706 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 11 [2021-05-01 03:02:14,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 03:02:14,707 INFO L480 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2021-05-01 03:02:14,707 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) [2021-05-01 03:02:14,707 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2021-05-01 03:02:14,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-05-01 03:02:14,708 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 03:02:14,708 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 03:02:14,709 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-01 03:02:14,709 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 03:02:14,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 03:02:14,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1689692768, now seen corresponding path program 1 times [2021-05-01 03:02:14,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-01 03:02:14,710 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026398580] [2021-05-01 03:02:14,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 03:02:14,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 03:02:14,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:14,762 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:14,762 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:14,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 03:02:14,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:14,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:14,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 03:02:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 03:02:14,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:14,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:14,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 03:02:14,807 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-01 03:02:14,808 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026398580] [2021-05-01 03:02:14,808 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026398580] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 03:02:14,808 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 03:02:14,808 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-01 03:02:14,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42521005] [2021-05-01 03:02:14,809 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-01 03:02:14,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-01 03:02:14,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-01 03:02:14,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-01 03:02:14,810 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 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) [2021-05-01 03:02:14,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 03:02:14,860 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2021-05-01 03:02:14,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-01 03:02:14,861 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 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 [2021-05-01 03:02:14,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 03:02:14,861 INFO L225 Difference]: With dead ends: 13 [2021-05-01 03:02:14,861 INFO L226 Difference]: Without dead ends: 13 [2021-05-01 03:02:14,862 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 60.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-05-01 03:02:14,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-05-01 03:02:14,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-05-01 03:02:14,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2021-05-01 03:02:14,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2021-05-01 03:02:14,865 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2021-05-01 03:02:14,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 03:02:14,865 INFO L480 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2021-05-01 03:02:14,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 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) [2021-05-01 03:02:14,866 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2021-05-01 03:02:14,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-05-01 03:02:14,867 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 03:02:14,867 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 03:02:14,867 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-01 03:02:14,867 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 03:02:14,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 03:02:14,868 INFO L82 PathProgramCache]: Analyzing trace with hash -814146699, now seen corresponding path program 1 times [2021-05-01 03:02:14,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-01 03:02:14,868 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216382018] [2021-05-01 03:02:14,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 03:02:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 03:02:14,918 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:14,919 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:14,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:14,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 03:02:14,924 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:14,925 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 03:02:14,929 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:14,929 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 03:02:14,934 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:14,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 03:02:14,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:14,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:14,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 03:02:14,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 03:02:14,993 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:14,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:14,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 03:02:14,994 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-01 03:02:14,994 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216382018] [2021-05-01 03:02:14,994 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216382018] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-01 03:02:14,994 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [831149695] [2021-05-01 03:02:14,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-01 03:02:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 03:02:15,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 9 conjunts are in the unsatisfiable core [2021-05-01 03:02:15,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-01 03:02:15,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:15,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:15,067 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:15,069 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,069 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:15,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,090 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:15,090 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:15,091 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,091 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:15,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,092 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:15,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:15,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,094 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:15,095 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:15,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,100 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:15,100 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:15,101 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:15,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,102 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:15,102 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:15,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:15,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:15,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:15,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:15,106 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 03:02:15,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 03:02:15,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 03:02:15,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 03:02:15,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,119 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-05-01 03:02:15,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 03:02:15,171 INFO L142 QuantifierPusher]: treesize reduction 3, result has 91.9 percent of original size [2021-05-01 03:02:15,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-05-01 03:02:15,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-05-01 03:02:15,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,183 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 03:02:15,184 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,184 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 03:02:15,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 03:02:15,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 03:02:15,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 03:02:15,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 03:02:15,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 03:02:15,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 03:02:15,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 03:02:15,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,201 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 03:02:15,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 03:02:15,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 03:02:15,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 03:02:15,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 03:02:15,218 INFO L142 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-05-01 03:02:15,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:15,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:15,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:15,220 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:02:15,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:02:15,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-01 03:02:15,221 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [831149695] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-01 03:02:15,221 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-01 03:02:15,221 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 9 [2021-05-01 03:02:15,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945690678] [2021-05-01 03:02:15,221 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-01 03:02:15,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-01 03:02:15,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-01 03:02:15,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-05-01 03:02:15,222 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 03:02:15,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 03:02:15,341 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2021-05-01 03:02:15,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-01 03:02:15,341 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2021-05-01 03:02:15,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 03:02:15,341 INFO L225 Difference]: With dead ends: 11 [2021-05-01 03:02:15,341 INFO L226 Difference]: Without dead ends: 0 [2021-05-01 03:02:15,343 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 136.8ms TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-05-01 03:02:15,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-01 03:02:15,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-01 03:02:15,344 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) [2021-05-01 03:02:15,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-01 03:02:15,344 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2021-05-01 03:02:15,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 03:02:15,344 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-01 03:02:15,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 6 states have internal predecessors, (11), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-01 03:02:15,344 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-01 03:02:15,344 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-01 03:02:15,565 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-05-01 03:02:15,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.05 03:02:15 BasicIcfg [2021-05-01 03:02:15,568 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-01 03:02:15,568 INFO L168 Benchmark]: Toolchain (without parser) took 1881.10 ms. Allocated memory is still 185.6 MB. Free memory was 151.5 MB in the beginning and 127.6 MB in the end (delta: 23.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 8.0 GB. [2021-05-01 03:02:15,568 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 185.6 MB. Free memory is still 168.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-05-01 03:02:15,569 INFO L168 Benchmark]: CACSL2BoogieTranslator took 134.12 ms. Allocated memory is still 185.6 MB. Free memory was 151.3 MB in the beginning and 142.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-05-01 03:02:15,569 INFO L168 Benchmark]: Boogie Preprocessor took 62.31 ms. Allocated memory is still 185.6 MB. Free memory was 142.1 MB in the beginning and 169.7 MB in the end (delta: -27.6 MB). Peak memory consumption was 5.3 MB. Max. memory is 8.0 GB. [2021-05-01 03:02:15,569 INFO L168 Benchmark]: RCFGBuilder took 251.28 ms. Allocated memory is still 185.6 MB. Free memory was 169.7 MB in the beginning and 156.6 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-05-01 03:02:15,569 INFO L168 Benchmark]: IcfgTransformer took 256.11 ms. Allocated memory is still 185.6 MB. Free memory was 156.6 MB in the beginning and 140.4 MB in the end (delta: 16.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-05-01 03:02:15,571 INFO L168 Benchmark]: TraceAbstraction took 1172.58 ms. Allocated memory is still 185.6 MB. Free memory was 139.8 MB in the beginning and 127.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.0 MB. Max. memory is 8.0 GB. [2021-05-01 03:02:15,573 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from IcfgTransformer: - StatisticsResult: Jordan loop acceleration statistics 1 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {0={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 0.59 ms. Allocated memory is still 185.6 MB. Free memory is still 168.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 134.12 ms. Allocated memory is still 185.6 MB. Free memory was 151.3 MB in the beginning and 142.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 62.31 ms. Allocated memory is still 185.6 MB. Free memory was 142.1 MB in the beginning and 169.7 MB in the end (delta: -27.6 MB). Peak memory consumption was 5.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 251.28 ms. Allocated memory is still 185.6 MB. Free memory was 169.7 MB in the beginning and 156.6 MB in the end (delta: 13.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * IcfgTransformer took 256.11 ms. Allocated memory is still 185.6 MB. Free memory was 156.6 MB in the beginning and 140.4 MB in the end (delta: 16.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1172.58 ms. Allocated memory is still 185.6 MB. Free memory was 139.8 MB in the beginning and 127.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 7]: 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: 1139.6ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 9.4ms, AutomataDifference: 224.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 32 SDtfs, 19 SDslu, 35 SDs, 0 SdLazy, 42 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 58.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 223.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 14.6ms AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 33.6ms SsaConstructionTime, 94.0ms SatisfiabilityAnalysisTime, 421.0ms InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 SizeOfPredicates, 2 NumberOfNonLiveVariables, 88 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 0/2 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...