/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/vnew1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-6253b08 [2021-05-06 06:45:30,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-06 06:45:30,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-06 06:45:30,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-06 06:45:30,340 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-06 06:45:30,341 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-06 06:45:30,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-06 06:45:30,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-06 06:45:30,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-06 06:45:30,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-06 06:45:30,353 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-06 06:45:30,354 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-06 06:45:30,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-06 06:45:30,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-06 06:45:30,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-06 06:45:30,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-06 06:45:30,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-06 06:45:30,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-06 06:45:30,358 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-06 06:45:30,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-06 06:45:30,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-06 06:45:30,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-06 06:45:30,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-06 06:45:30,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-06 06:45:30,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-06 06:45:30,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-06 06:45:30,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-06 06:45:30,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-06 06:45:30,383 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2021-05-06 06:45:30,391 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-06 06:45:30,391 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-06 06:45:30,407 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-06 06:45:30,408 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-06 06:45:30,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-06 06:45:30,408 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-06 06:45:30,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-06 06:45:30,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-06 06:45:30,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-06 06:45:30,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-06 06:45:30,409 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-06 06:45:30,409 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-06 06:45:30,409 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-06 06:45:30,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-06 06:45:30,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-06 06:45:30,410 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-06 06:45:30,410 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-06 06:45:30,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-06 06:45:30,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-06 06:45:30,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-06 06:45:30,410 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-06 06:45:30,411 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-05-06 06:45:30,411 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-06 06:45:30,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-06 06:45:30,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-06 06:45:30,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-06 06:45:30,659 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-06 06:45:30,660 INFO L275 PluginConnector]: CDTParser initialized [2021-05-06 06:45:30,661 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/vnew1.c [2021-05-06 06:45:30,697 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51975d17f/b521bc72973b4af4aaa458116ad0e542/FLAG480235851 [2021-05-06 06:45:31,062 INFO L306 CDTParser]: Found 1 translation units. [2021-05-06 06:45:31,062 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/vnew1.c [2021-05-06 06:45:31,067 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51975d17f/b521bc72973b4af4aaa458116ad0e542/FLAG480235851 [2021-05-06 06:45:31,502 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51975d17f/b521bc72973b4af4aaa458116ad0e542 [2021-05-06 06:45:31,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-06 06:45:31,506 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-06 06:45:31,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-06 06:45:31,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-06 06:45:31,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-06 06:45:31,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 06:45:31" (1/1) ... [2021-05-06 06:45:31,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b8491a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:45:31, skipping insertion in model container [2021-05-06 06:45:31,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 06:45:31" (1/1) ... [2021-05-06 06:45:31,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-06 06:45:31,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-06 06:45:31,622 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/vnew1.c[403,416] [2021-05-06 06:45:31,640 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-06 06:45:31,646 INFO L203 MainTranslator]: Completed pre-run [2021-05-06 06:45:31,685 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/vnew1.c[403,416] [2021-05-06 06:45:31,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-06 06:45:31,696 INFO L208 MainTranslator]: Completed translation [2021-05-06 06:45:31,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:45:31 WrapperNode [2021-05-06 06:45:31,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-06 06:45:31,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-06 06:45:31,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-06 06:45:31,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-06 06:45:31,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:45:31" (1/1) ... [2021-05-06 06:45:31,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:45:31" (1/1) ... [2021-05-06 06:45:31,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:45:31" (1/1) ... [2021-05-06 06:45:31,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:45:31" (1/1) ... [2021-05-06 06:45:31,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:45:31" (1/1) ... [2021-05-06 06:45:31,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:45:31" (1/1) ... [2021-05-06 06:45:31,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:45:31" (1/1) ... [2021-05-06 06:45:31,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-06 06:45:31,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-06 06:45:31,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-06 06:45:31,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-06 06:45:31,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:45:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-06 06:45:31,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-06 06:45:31,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-06 06:45:31,792 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-06 06:45:31,792 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-05-06 06:45:31,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-06 06:45:31,793 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-06 06:45:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-06 06:45:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-06 06:45:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-06 06:45:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-06 06:45:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-05-06 06:45:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-06 06:45:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2021-05-06 06:45:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-06 06:45:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-06 06:45:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-06 06:45:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-06 06:45:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-06 06:45:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-06 06:45:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-06 06:45:32,050 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-06 06:45:32,051 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-05-06 06:45:32,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 06:45:32 BoogieIcfgContainer [2021-05-06 06:45:32,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-06 06:45:32,052 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2021-05-06 06:45:32,052 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2021-05-06 06:45:32,053 INFO L275 PluginConnector]: IcfgTransformer initialized [2021-05-06 06:45:32,054 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 06:45:32" (1/1) ... [2021-05-06 06:45:32,118 WARN L240 tifierPushTermWalker]: treesize reduction 8, result has 89.0 percent of original size [2021-05-06 06:45:32,206 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 06:45:32,247 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-05-06 06:45:32,260 WARN L245 tifierPushTermWalker]: treesize reduction 8, result has 89.0 percent of original size 65 [2021-05-06 06:45:32,290 INFO L89 elerationTransformer]: Jordan loop acceleration statistics: 1 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 0 QuantifierFreeResult [2021-05-06 06:45:32,290 INFO L91 elerationTransformer]: Accelerated Formula: (and (< (mod v_main_~i~0_5 4294967296) (mod v_main_~n~0_9 4294967296)) (= v_main_~i~0_4 (+ v_main_~i~0_5 3)) (= (+ v_main_~k~0_6 1) v_main_~k~0_7)) 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_~n~0=v_main_~n~0_9, main_#t~post8=|v_main_#t~post8_1|} AuxVars[] AssignedVars[main_~k~0, main_~i~0, main_#t~post8] to Formula: (let ((.cse1 (mod v_main_~n~0_9 4294967296)) (.cse0 (mod v_main_~i~0_5 4294967296))) (or (and (< 0 v_itFin_1) (< .cse0 .cse1) (forall ((aux_div_aux_mod_v_it_1_47_67 Int) (aux_div_v_it_1_47 Int)) (let ((.cse2 (* 1431655765 aux_div_v_it_1_47)) (.cse4 (* 2 v_main_~i~0_5)) (.cse3 (* 3 aux_div_aux_mod_v_it_1_47_67))) (or (< (+ aux_div_aux_mod_v_it_1_47_67 .cse2) (+ v_main_~i~0_5 1)) (< (+ v_itFin_1 v_main_~i~0_5) (+ aux_div_aux_mod_v_it_1_47_67 .cse2 1)) (< .cse3 (+ .cse4 (mod v_main_~n~0_9 4294967296) aux_div_v_it_1_47)) (<= (+ .cse4 aux_div_v_it_1_47 4294967296) .cse3)))) (= v_main_~k~0_7 (+ v_itFin_1 v_main_~k~0_6)) (= v_main_~i~0_4 (+ (* 3 v_itFin_1) v_main_~i~0_5))) (and (= v_itFin_1 0) (= |v_main_#t~post8_3| |v_main_#t~post8_1|) (= v_main_~k~0_7 v_main_~k~0_6) (<= .cse1 .cse0) (= v_main_~i~0_4 v_main_~i~0_5)))) InVars {main_~i~0=v_main_~i~0_5, main_~n~0=v_main_~n~0_9, main_#t~post8=|v_main_#t~post8_3|, main_~k~0=v_main_~k~0_7} OutVars{main_~i~0=v_main_~i~0_4, main_~n~0=v_main_~n~0_9, main_#t~post8=|v_main_#t~post8_1|, main_~k~0=v_main_~k~0_6} AuxVars[v_itFin_1] AssignedVars[main_~k~0, main_~i~0, main_#t~post8] [2021-05-06 06:45:32,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.05 06:45:32 BasicIcfg [2021-05-06 06:45:32,294 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2021-05-06 06:45:32,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-06 06:45:32,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-06 06:45:32,298 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-06 06:45:32,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 06:45:31" (1/4) ... [2021-05-06 06:45:32,298 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62851cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 06:45:32, skipping insertion in model container [2021-05-06 06:45:32,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 06:45:31" (2/4) ... [2021-05-06 06:45:32,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62851cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 06:45:32, skipping insertion in model container [2021-05-06 06:45:32,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 06:45:32" (3/4) ... [2021-05-06 06:45:32,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62851cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.05 06:45:32, skipping insertion in model container [2021-05-06 06:45:32,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 06.05 06:45:32" (4/4) ... [2021-05-06 06:45:32,300 INFO L111 eAbstractionObserver]: Analyzing ICFG vnew1.cJordan [2021-05-06 06:45:32,303 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2021-05-06 06:45:32,305 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-06 06:45:32,318 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-06 06:45:32,329 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-06 06:45:32,329 INFO L377 AbstractCegarLoop]: Hoare is false [2021-05-06 06:45:32,329 INFO L378 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2021-05-06 06:45:32,329 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-06 06:45:32,330 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-06 06:45:32,330 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-06 06:45:32,330 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-06 06:45:32,330 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-06 06:45:32,338 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) [2021-05-06 06:45:32,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-05-06 06:45:32,342 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 06:45:32,343 INFO L523 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 06:45:32,343 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 06:45:32,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 06:45:32,347 INFO L82 PathProgramCache]: Analyzing trace with hash 565582179, now seen corresponding path program 1 times [2021-05-06 06:45:32,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 06:45:32,353 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585891449] [2021-05-06 06:45:32,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 06:45:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 06:45:32,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 06:45:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 06:45:32,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 06:45:32,488 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 06:45:32,488 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585891449] [2021-05-06 06:45:32,489 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585891449] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 06:45:32,489 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 06:45:32,489 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-06 06:45:32,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317040188] [2021-05-06 06:45:32,492 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-06 06:45:32,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 06:45:32,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-06 06:45:32,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-06 06:45:32,524 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) [2021-05-06 06:45:32,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 06:45:32,553 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2021-05-06 06:45:32,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-06 06:45:32,554 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 [2021-05-06 06:45:32,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 06:45:32,558 INFO L225 Difference]: With dead ends: 23 [2021-05-06 06:45:32,559 INFO L226 Difference]: Without dead ends: 18 [2021-05-06 06:45:32,559 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 26.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-06 06:45:32,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-05-06 06:45:32,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-05-06 06:45:32,576 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) [2021-05-06 06:45:32,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2021-05-06 06:45:32,578 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 14 [2021-05-06 06:45:32,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 06:45:32,578 INFO L480 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2021-05-06 06:45:32,578 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) [2021-05-06 06:45:32,578 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2021-05-06 06:45:32,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-05-06 06:45:32,578 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 06:45:32,579 INFO L523 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 06:45:32,579 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-06 06:45:32,579 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 06:45:32,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 06:45:32,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1453085860, now seen corresponding path program 1 times [2021-05-06 06:45:32,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 06:45:32,580 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354312489] [2021-05-06 06:45:32,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 06:45:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 06:45:32,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 06:45:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 06:45:32,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 06:45:32,705 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-06 06:45:32,705 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354312489] [2021-05-06 06:45:32,706 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354312489] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 06:45:32,706 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 06:45:32,706 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-05-06 06:45:32,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250121382] [2021-05-06 06:45:32,707 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-05-06 06:45:32,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-06 06:45:32,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-05-06 06:45:32,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-05-06 06:45:32,708 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) [2021-05-06 06:45:32,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 06:45:32,825 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2021-05-06 06:45:32,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-06 06:45:32,826 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 [2021-05-06 06:45:32,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 06:45:32,827 INFO L225 Difference]: With dead ends: 21 [2021-05-06 06:45:32,827 INFO L226 Difference]: Without dead ends: 19 [2021-05-06 06:45:32,828 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 126.4ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-05-06 06:45:32,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-05-06 06:45:32,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-05-06 06:45:32,830 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) [2021-05-06 06:45:32,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2021-05-06 06:45:32,831 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 14 [2021-05-06 06:45:32,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 06:45:32,831 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2021-05-06 06:45:32,831 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) [2021-05-06 06:45:32,831 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2021-05-06 06:45:32,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-05-06 06:45:32,832 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 06:45:32,832 INFO L523 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 06:45:32,832 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-06 06:45:32,832 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 06:45:32,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 06:45:32,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1975996661, now seen corresponding path program 1 times [2021-05-06 06:45:32,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-06 06:45:32,833 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538578726] [2021-05-06 06:45:32,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 06:45:32,843 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ main_~i~0_6 (- .aux_div_aux_mod_v_it_1_47_67.0) (* (- 1431655765) .aux_div_v_it_1_47.1) 1) 0)) [2021-05-06 06:45:32,844 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ .aux_div_aux_mod_v_it_1_47_67.0 (* 1431655765 .aux_div_v_it_1_47.1) (- v_itFin_1_fresh_1) (- main_~i~0_6) 1) 0)) [2021-05-06 06:45:32,844 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* 2 main_~i~0_6) main_~n~0_5 (* (- 4294967296) (div main_~n~0_5 4294967296)) .aux_div_v_it_1_47.1 (* (- 3) .aux_div_aux_mod_v_it_1_47_67.0)) 0)) [2021-05-06 06:45:32,844 WARN L250 erpolLogProxyWrapper]: Quant: Clause contains literal that is not almost uninterpreted: (not (<= (+ (* (- 2) main_~i~0_6) (- .aux_div_v_it_1_47.1) (* 3 .aux_div_aux_mod_v_it_1_47_67.0) (- 4294967295)) 0)) [2021-05-06 06:45:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2021-05-06 06:45:32,873 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [688192836] [2021-05-06 06:45:32,873 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