/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-invgen/half_2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-1a84f73 [2021-05-01 03:17:43,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-01 03:17:43,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-01 03:17:43,420 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-01 03:17:43,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-01 03:17:43,424 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-01 03:17:43,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-01 03:17:43,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-01 03:17:43,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-01 03:17:43,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-01 03:17:43,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-01 03:17:43,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-01 03:17:43,435 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-01 03:17:43,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-01 03:17:43,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-01 03:17:43,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-01 03:17:43,441 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-01 03:17:43,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-01 03:17:43,446 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-01 03:17:43,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-01 03:17:43,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-01 03:17:43,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-01 03:17:43,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-01 03:17:43,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-01 03:17:43,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-05-01 03:17:43,455 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-05-01 03:17:43,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-05-01 03:17:43,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-05-01 03:17:43,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-05-01 03:17:43,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-05-01 03:17:43,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-05-01 03:17:43,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-05-01 03:17:43,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-05-01 03:17:43,460 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-05-01 03:17:43,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-05-01 03:17:43,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-05-01 03:17:43,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-05-01 03:17:43,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-05-01 03:17:43,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-01 03:17:43,462 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-01 03:17:43,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-01 03:17:43,467 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2021-05-01 03:17:43,480 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-01 03:17:43,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-01 03:17:43,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-01 03:17:43,483 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-01 03:17:43,483 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-01 03:17:43,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-01 03:17:43,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-01 03:17:43,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-01 03:17:43,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-01 03:17:43,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-01 03:17:43,484 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-01 03:17:43,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-01 03:17:43,484 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-01 03:17:43,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-01 03:17:43,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-01 03:17:43,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-01 03:17:43,485 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-01 03:17:43,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-01 03:17:43,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-01 03:17:43,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-01 03:17:43,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-01 03:17:43,486 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-05-01 03:17:43,486 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-01 03:17:43,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-01 03:17:43,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-01 03:17:43,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-01 03:17:43,748 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-01 03:17:43,748 INFO L275 PluginConnector]: CDTParser initialized [2021-05-01 03:17:43,749 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/half_2.i [2021-05-01 03:17:43,790 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00381d120/fc3bfc6b063841e5a58c16e93a6bc276/FLAG32994897d [2021-05-01 03:17:44,185 INFO L306 CDTParser]: Found 1 translation units. [2021-05-01 03:17:44,186 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/half_2.i [2021-05-01 03:17:44,190 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00381d120/fc3bfc6b063841e5a58c16e93a6bc276/FLAG32994897d [2021-05-01 03:17:44,585 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00381d120/fc3bfc6b063841e5a58c16e93a6bc276 [2021-05-01 03:17:44,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-01 03:17:44,588 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-01 03:17:44,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-01 03:17:44,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-01 03:17:44,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-01 03:17:44,592 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.05 03:17:44" (1/1) ... [2021-05-01 03:17:44,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42a1f525 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:17:44, skipping insertion in model container [2021-05-01 03:17:44,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.05 03:17:44" (1/1) ... [2021-05-01 03:17:44,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-01 03:17:44,609 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-01 03:17:44,692 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-invgen/half_2.i[893,906] [2021-05-01 03:17:44,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-01 03:17:44,721 INFO L203 MainTranslator]: Completed pre-run [2021-05-01 03:17:44,734 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-invgen/half_2.i[893,906] [2021-05-01 03:17:44,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-01 03:17:44,758 INFO L208 MainTranslator]: Completed translation [2021-05-01 03:17:44,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:17:44 WrapperNode [2021-05-01 03:17:44,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-01 03:17:44,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-01 03:17:44,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-01 03:17:44,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-01 03:17:44,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:17:44" (1/1) ... [2021-05-01 03:17:44,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:17:44" (1/1) ... [2021-05-01 03:17:44,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:17:44" (1/1) ... [2021-05-01 03:17:44,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:17:44" (1/1) ... [2021-05-01 03:17:44,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:17:44" (1/1) ... [2021-05-01 03:17:44,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:17:44" (1/1) ... [2021-05-01 03:17:44,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:17:44" (1/1) ... [2021-05-01 03:17:44,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-01 03:17:44,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-01 03:17:44,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-01 03:17:44,798 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-01 03:17:44,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:17:44" (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 03:17:44,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-01 03:17:44,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-01 03:17:44,875 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-01 03:17:44,875 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-05-01 03:17:44,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-01 03:17:44,875 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-01 03:17:44,875 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-01 03:17:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-01 03:17:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-05-01 03:17:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-05-01 03:17:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-01 03:17:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-01 03:17:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-05-01 03:17:44,876 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-01 03:17:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-05-01 03:17:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-01 03:17:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-01 03:17:44,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-01 03:17:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-01 03:17:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-01 03:17:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-01 03:17:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-01 03:17:45,131 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-01 03:17:45,131 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-05-01 03:17:45,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 03:17:45 BoogieIcfgContainer [2021-05-01 03:17:45,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-01 03:17:45,133 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2021-05-01 03:17:45,133 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2021-05-01 03:17:45,134 INFO L275 PluginConnector]: IcfgTransformer initialized [2021-05-01 03:17:45,136 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 03:17:45" (1/1) ... [2021-05-01 03:17:45,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:45,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 03:17:45,213 INFO L181 rdanLoopAcceleration]: Guard: Formula: (< v_main_~i~0_5 v_main_~n~0_9) InVars {main_~i~0=v_main_~i~0_5, main_~n~0=v_main_~n~0_9} OutVars{main_~i~0=v_main_~i~0_5, main_~n~0=v_main_~n~0_9} AuxVars[] AssignedVars[] [2021-05-01 03:17:45,247 WARN L240 tifierPushTermWalker]: treesize reduction 9, result has 87.0 percent of original size [2021-05-01 03:17:45,268 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:45,278 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:45,289 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:45,296 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:45,301 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:45,310 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 03:17:45,316 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:45,322 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:45,328 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:45,333 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:45,355 INFO L108 tifierPushTermWalker]: treesize reduction 2, result has 33.3 percent of original size [2021-05-01 03:17:45,360 INFO L108 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:45,365 WARN L245 tifierPushTermWalker]: treesize reduction 9, result has 87.0 percent of original size 60 [2021-05-01 03:17:45,390 INFO L1111 elerationTransformer]: Accelerated Formula: (and (= v_main_~i~0_4 (+ v_main_~i~0_5 2)) (= (+ v_main_~k~0_6 1) v_main_~k~0_7) (< v_main_~i~0_5 v_main_~n~0_9)) InVars {main_~k~0=v_main_~k~0_7, main_~i~0=v_main_~i~0_5, main_~n~0=v_main_~n~0_9} OutVars{main_~k~0=v_main_~k~0_6, main_~i~0=v_main_~i~0_4, main_#t~post4=|v_main_#t~post4_1|, main_~n~0=v_main_~n~0_9} AuxVars[] AssignedVars[main_~k~0, main_~i~0, main_#t~post4] with Formula: (or (and (= v_itFin_1 0) (= v_main_~k~0_7 v_main_~k~0_6) (<= v_main_~n~0_9 v_main_~i~0_5) (= |v_main_#t~post4_3| |v_main_#t~post4_1|) (= v_main_~i~0_4 v_main_~i~0_5)) (let ((.cse0 (+ (* 2 v_itFin_1) v_main_~i~0_5))) (and (<= v_main_~n~0_9 .cse0) (= v_main_~k~0_7 (+ v_itFin_1 v_main_~k~0_6)) (< v_main_~i~0_5 v_main_~n~0_9) (= v_main_~i~0_4 .cse0) (< v_itFin_1 (+ (div (+ (* v_main_~i~0_5 (- 1)) v_main_~n~0_9 (- 1)) 2) 2))))) InVars {main_~i~0=v_main_~i~0_5, main_#t~post4=|v_main_#t~post4_3|, main_~n~0=v_main_~n~0_9, main_~k~0=v_main_~k~0_7} OutVars{main_~i~0=v_main_~i~0_4, main_#t~post4=|v_main_#t~post4_1|, main_~n~0=v_main_~n~0_9, main_~k~0=v_main_~k~0_6} AuxVars[v_itFin_1] AssignedVars[main_~k~0, main_~i~0, main_#t~post4] [2021-05-01 03:17:45,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 01.05 03:17:45 BasicIcfg [2021-05-01 03:17:45,401 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2021-05-01 03:17:45,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-01 03:17:45,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-01 03:17:45,405 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-01 03:17:45,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.05 03:17:44" (1/4) ... [2021-05-01 03:17:45,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eba69af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.05 03:17:45, skipping insertion in model container [2021-05-01 03:17:45,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.05 03:17:44" (2/4) ... [2021-05-01 03:17:45,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eba69af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.05 03:17:45, skipping insertion in model container [2021-05-01 03:17:45,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.05 03:17:45" (3/4) ... [2021-05-01 03:17:45,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eba69af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.05 03:17:45, skipping insertion in model container [2021-05-01 03:17:45,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 01.05 03:17:45" (4/4) ... [2021-05-01 03:17:45,416 INFO L111 eAbstractionObserver]: Analyzing ICFG half_2.iJordan [2021-05-01 03:17:45,421 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2021-05-01 03:17:45,427 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-01 03:17:45,440 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-01 03:17:45,455 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-01 03:17:45,455 INFO L377 AbstractCegarLoop]: Hoare is false [2021-05-01 03:17:45,455 INFO L378 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2021-05-01 03:17:45,455 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-01 03:17:45,455 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-01 03:17:45,455 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-01 03:17:45,455 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-01 03:17:45,455 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-01 03:17:45,493 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 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 03:17:45,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-05-01 03:17:45,498 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 03:17:45,498 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 03:17:45,498 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 03:17:45,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 03:17:45,502 INFO L82 PathProgramCache]: Analyzing trace with hash 101012931, now seen corresponding path program 1 times [2021-05-01 03:17:45,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-01 03:17:45,507 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569475030] [2021-05-01 03:17:45,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 03:17:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 03:17:45,608 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:45,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:45,609 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:45,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:45,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 03:17:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 03:17:45,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:45,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:45,648 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 03:17:45,649 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-01 03:17:45,650 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569475030] [2021-05-01 03:17:45,651 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569475030] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 03:17:45,651 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 03:17:45,651 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-01 03:17:45,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790753816] [2021-05-01 03:17:45,654 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-01 03:17:45,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-01 03:17:45,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-01 03:17:45,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-01 03:17:45,665 INFO L87 Difference]: Start difference. First operand has 23 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 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 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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 03:17:45,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 03:17:45,692 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2021-05-01 03:17:45,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-01 03:17:45,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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 14 [2021-05-01 03:17:45,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 03:17:45,699 INFO L225 Difference]: With dead ends: 23 [2021-05-01 03:17:45,699 INFO L226 Difference]: Without dead ends: 18 [2021-05-01 03:17:45,700 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 20.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-01 03:17:45,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-05-01 03:17:45,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-05-01 03:17:45,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-05-01 03:17:45,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2021-05-01 03:17:45,721 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 14 [2021-05-01 03:17:45,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 03:17:45,721 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2021-05-01 03:17:45,721 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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 03:17:45,722 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2021-05-01 03:17:45,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-05-01 03:17:45,722 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 03:17:45,722 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 03:17:45,723 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-01 03:17:45,723 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 03:17:45,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 03:17:45,724 INFO L82 PathProgramCache]: Analyzing trace with hash 988516612, now seen corresponding path program 1 times [2021-05-01 03:17:45,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-01 03:17:45,725 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184869247] [2021-05-01 03:17:45,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 03:17:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 03:17:45,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:45,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:45,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:45,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 03:17:45,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:45,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 03:17:45,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:45,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 03:17:45,820 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:45,820 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:45,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 03:17:45,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 03:17:45,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:45,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:45,848 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 03:17:45,848 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-01 03:17:45,848 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184869247] [2021-05-01 03:17:45,848 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184869247] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-01 03:17:45,848 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-01 03:17:45,848 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-05-01 03:17:45,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336165790] [2021-05-01 03:17:45,849 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-05-01 03:17:45,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-01 03:17:45,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-05-01 03:17:45,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-05-01 03:17:45,850 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 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 03:17:45,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-01 03:17:45,982 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2021-05-01 03:17:45,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-01 03:17:45,982 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 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 14 [2021-05-01 03:17:45,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-01 03:17:45,983 INFO L225 Difference]: With dead ends: 21 [2021-05-01 03:17:45,983 INFO L226 Difference]: Without dead ends: 19 [2021-05-01 03:17:45,983 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 104.1ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-05-01 03:17:45,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-05-01 03:17:45,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-05-01 03:17:45,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-05-01 03:17:45,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2021-05-01 03:17:45,986 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 14 [2021-05-01 03:17:45,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-01 03:17:45,986 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2021-05-01 03:17:45,986 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 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 03:17:45,986 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2021-05-01 03:17:45,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-05-01 03:17:45,987 INFO L511 BasicCegarLoop]: Found error trace [2021-05-01 03:17:45,987 INFO L519 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-01 03:17:45,987 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-01 03:17:45,987 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-01 03:17:45,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-01 03:17:45,987 INFO L82 PathProgramCache]: Analyzing trace with hash 459251866, now seen corresponding path program 1 times [2021-05-01 03:17:45,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-01 03:17:45,988 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803189227] [2021-05-01 03:17:45,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-01 03:17:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 03:17:46,032 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:46,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 03:17:46,038 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-05-01 03:17:46,044 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-05-01 03:17:46,051 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,052 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-05-01 03:17:46,055 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 03:17:46,060 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-05-01 03:17:46,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,066 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:46,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-01 03:17:46,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 03:17:46,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,089 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:46,089 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 03:17:46,089 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-01 03:17:46,089 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803189227] [2021-05-01 03:17:46,089 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803189227] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-01 03:17:46,090 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313320979] [2021-05-01 03:17:46,090 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 03:17:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-01 03:17:46,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 12 conjunts are in the unsatisfiable core [2021-05-01 03:17:46,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-01 03:17:46,158 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,158 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:46,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:46,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,159 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:46,160 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:46,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:46,161 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:46,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,162 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:46,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:46,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:46,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:46,164 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:46,165 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,165 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:46,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,166 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:46,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:46,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,167 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:46,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:46,168 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:46,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,169 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:46,169 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:46,170 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,170 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:46,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:46,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,171 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:46,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:46,172 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,173 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-05-01 03:17:46,173 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 03:17:46,174 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,174 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 03:17:46,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,175 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 03:17:46,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-05-01 03:17:46,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 03:17:46,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,194 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-05-01 03:17:46,195 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-05-01 03:17:46,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 03:17:46,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-05-01 03:17:46,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-05-01 03:17:46,203 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 03:17:46,208 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-05-01 03:17:46,211 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-05-01 03:17:46,216 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 03:17:46,217 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,220 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.9 percent of original size 35 [2021-05-01 03:17:46,221 INFO L147 QuantifierPusher]: treesize reduction -1, result has 102.9 percent of original size 35 [2021-05-01 03:17:46,222 INFO L142 QuantifierPusher]: treesize reduction -1, result has 102.9 percent of original size [2021-05-01 03:17:46,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-05-01 03:17:46,245 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 03:17:46,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 03:17:46,246 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,247 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 03:17:46,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-05-01 03:17:46,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-05-01 03:17:46,252 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-05-01 03:17:46,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,253 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-05-01 03:17:46,253 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,254 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-05-01 03:17:46,268 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-05-01 03:17:46,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 03:17:46,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-05-01 03:17:46,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-05-01 03:17:46,273 INFO L142 QuantifierPusher]: treesize reduction 1, result has 98.1 percent of original size [2021-05-01 03:17:46,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 03:17:46,275 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,275 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-05-01 03:17:46,277 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 03:17:46,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,279 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-05-01 03:17:46,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-05-01 03:17:46,281 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-05-01 03:17:46,282 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 03:17:46,283 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 03:17:46,293 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.0 percent of original size [2021-05-01 03:17:46,295 INFO L147 QuantifierPusher]: treesize reduction -2, result has 107.4 percent of original size 29 [2021-05-01 03:17:46,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 03:17:46,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,297 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-05-01 03:17:46,298 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 03:17:46,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,307 INFO L147 QuantifierPusher]: treesize reduction -4, result has 106.9 percent of original size 62 [2021-05-01 03:17:46,308 INFO L147 QuantifierPusher]: treesize reduction -4, result has 106.9 percent of original size 62 [2021-05-01 03:17:46,327 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 03:17:46,328 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,329 INFO L147 QuantifierPusher]: treesize reduction -1, result has 104.0 percent of original size 26 [2021-05-01 03:17:46,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 03:17:46,330 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,331 INFO L147 QuantifierPusher]: treesize reduction -2, result has 109.5 percent of original size 23 [2021-05-01 03:17:46,332 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 03:17:46,332 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,333 INFO L147 QuantifierPusher]: treesize reduction -2, result has 107.4 percent of original size 29 [2021-05-01 03:17:46,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 03:17:46,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,335 INFO L732 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-05-01 03:17:46,336 INFO L739 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 03:17:46,337 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-05-01 03:17:46,408 INFO L849 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-05-01 03:17:46,516 INFO L849 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-05-01 03:17:46,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 03:17:46,664 INFO L142 QuantifierPusher]: treesize reduction 25, result has 95.8 percent of original size [2021-05-01 03:17:46,678 INFO L147 QuantifierPusher]: treesize reduction -30, result has 101.1 percent of original size 2741 [2021-05-01 03:17:46,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 03:17:46,692 INFO L142 QuantifierPusher]: treesize reduction 16, result has 99.3 percent of original size [2021-05-01 03:17:47,138 INFO L849 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-05-01 03:17:50,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 03:17:50,344 INFO L142 QuantifierPusher]: treesize reduction -36, result has 101.2 percent of original size [2021-05-01 03:17:50,741 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 1609 DAG size of output: 1593 [2021-05-01 03:17:50,776 INFO L147 QuantifierPusher]: treesize reduction -4283, result has 106.5 percent of original size 70402 [2021-05-01 03:17:50,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 03:17:50,859 INFO L142 QuantifierPusher]: treesize reduction -221, result has 103.8 percent of original size [2021-05-01 03:17:54,139 WARN L205 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 4501 DAG size of output: 1540 [2021-05-01 03:17:54,173 INFO L147 QuantifierPusher]: treesize reduction 168515, result has 28.7 percent of original size 67888 [2021-05-01 03:17:54,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 03:17:54,349 INFO L142 QuantifierPusher]: treesize reduction 2794, result has 68.6 percent of original size [2021-05-01 03:17:57,393 WARN L205 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 4370 DAG size of output: 1469 [2021-05-01 03:17:57,424 INFO L147 QuantifierPusher]: treesize reduction 166166, result has 28.2 percent of original size 65249 [2021-05-01 03:17:57,569 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 03:17:57,597 INFO L142 QuantifierPusher]: treesize reduction 5692, result has 56.6 percent of original size [2021-05-01 03:17:58,339 INFO L849 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-05-01 03:18:45,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 03:18:45,617 INFO L142 QuantifierPusher]: treesize reduction -281, result has 101.0 percent of original size [2021-05-01 03:20:56,081 WARN L205 SmtUtils]: Spent 2.17 m on a formula simplification. DAG size of input: 26246 DAG size of output: 10723 [2021-05-01 03:20:56,481 INFO L147 QuantifierPusher]: treesize reduction 1677334, result has 35.9 percent of original size 939789 [2021-05-01 03:20:56,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-01 03:20:57,085 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 2673 DAG size of output: 1779 [2021-05-01 03:20:57,105 INFO L142 QuantifierPusher]: treesize reduction 15371, result has 68.9 percent of original size [2021-05-01 03:20:59,831 INFO L849 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-05-01 03:21:06,447 INFO L849 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-05-01 03:21:17,022 INFO L849 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-05-01 03:21:31,557 INFO L849 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug.