/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/bubble_sort-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-c225d54 [2021-05-02 17:37:07,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-02 17:37:07,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-02 17:37:07,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-02 17:37:07,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-02 17:37:07,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-02 17:37:07,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-02 17:37:07,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-02 17:37:07,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-02 17:37:07,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-02 17:37:07,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-02 17:37:07,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-02 17:37:07,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-02 17:37:07,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-02 17:37:07,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-02 17:37:07,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-02 17:37:07,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-02 17:37:07,870 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-02 17:37:07,872 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-02 17:37:07,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-02 17:37:07,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-02 17:37:07,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-02 17:37:07,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-02 17:37:07,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-02 17:37:07,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-05-02 17:37:07,886 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-05-02 17:37:07,886 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-05-02 17:37:07,887 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-05-02 17:37:07,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-05-02 17:37:07,888 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-05-02 17:37:07,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-05-02 17:37:07,889 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-05-02 17:37:07,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-05-02 17:37:07,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-05-02 17:37:07,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-05-02 17:37:07,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-05-02 17:37:07,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-05-02 17:37:07,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-05-02 17:37:07,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-02 17:37:07,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-02 17:37:07,893 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-02 17:37:08,129 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2021-05-02 17:37:08,163 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-02 17:37:08,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-02 17:37:08,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-02 17:37:08,166 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-02 17:37:08,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-02 17:37:08,166 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-02 17:37:08,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-02 17:37:08,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-02 17:37:08,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-02 17:37:08,166 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-02 17:37:08,167 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-02 17:37:08,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-02 17:37:08,167 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-02 17:37:08,167 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-02 17:37:08,167 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-02 17:37:08,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-02 17:37:08,184 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-02 17:37:08,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-02 17:37:08,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-02 17:37:08,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-02 17:37:08,184 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-02 17:37:08,185 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-05-02 17:37:08,185 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-02 17:37:08,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-02 17:37:08,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-02 17:37:08,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-02 17:37:08,464 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-02 17:37:08,464 INFO L275 PluginConnector]: CDTParser initialized [2021-05-02 17:37:08,465 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/bubble_sort-1.c [2021-05-02 17:37:08,523 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ef7b318f/b00c8c2cb54c420c91c4621c668b64af/FLAG63590c43a [2021-05-02 17:37:08,816 INFO L306 CDTParser]: Found 1 translation units. [2021-05-02 17:37:08,818 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/bubble_sort-1.c [2021-05-02 17:37:08,823 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ef7b318f/b00c8c2cb54c420c91c4621c668b64af/FLAG63590c43a [2021-05-02 17:37:09,242 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ef7b318f/b00c8c2cb54c420c91c4621c668b64af [2021-05-02 17:37:09,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-02 17:37:09,245 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-02 17:37:09,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-02 17:37:09,246 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-02 17:37:09,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-02 17:37:09,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 05:37:09" (1/1) ... [2021-05-02 17:37:09,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@243bf15e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:37:09, skipping insertion in model container [2021-05-02 17:37:09,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 05:37:09" (1/1) ... [2021-05-02 17:37:09,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-02 17:37:09,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-02 17:37:09,371 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/bubble_sort-1.c[325,338] [2021-05-02 17:37:09,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 17:37:09,394 INFO L203 MainTranslator]: Completed pre-run [2021-05-02 17:37:09,401 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/bubble_sort-1.c[325,338] [2021-05-02 17:37:09,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 17:37:09,454 INFO L208 MainTranslator]: Completed translation [2021-05-02 17:37:09,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:37:09 WrapperNode [2021-05-02 17:37:09,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-02 17:37:09,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-02 17:37:09,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-02 17:37:09,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-02 17:37:09,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:37:09" (1/1) ... [2021-05-02 17:37:09,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:37:09" (1/1) ... [2021-05-02 17:37:09,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:37:09" (1/1) ... [2021-05-02 17:37:09,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:37:09" (1/1) ... [2021-05-02 17:37:09,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:37:09" (1/1) ... [2021-05-02 17:37:09,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:37:09" (1/1) ... [2021-05-02 17:37:09,482 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:37:09" (1/1) ... [2021-05-02 17:37:09,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-02 17:37:09,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-02 17:37:09,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-02 17:37:09,485 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-02 17:37:09,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:37:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-02 17:37:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-02 17:37:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-02 17:37:09,555 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-02 17:37:09,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-02 17:37:09,556 INFO L138 BoogieDeclarations]: Found implementation of procedure bubblesort [2021-05-02 17:37:09,556 INFO L138 BoogieDeclarations]: Found implementation of procedure bubblesort1 [2021-05-02 17:37:09,556 INFO L138 BoogieDeclarations]: Found implementation of procedure q1 [2021-05-02 17:37:09,556 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-02 17:37:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-02 17:37:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-02 17:37:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-02 17:37:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-02 17:37:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-02 17:37:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure bubblesort [2021-05-02 17:37:09,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-02 17:37:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-02 17:37:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure bubblesort1 [2021-05-02 17:37:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-05-02 17:37:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure q1 [2021-05-02 17:37:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-02 17:37:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-02 17:37:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-02 17:37:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-02 17:37:09,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-02 17:37:09,844 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-02 17:37:09,845 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-05-02 17:37:09,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 05:37:09 BoogieIcfgContainer [2021-05-02 17:37:09,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-02 17:37:09,846 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2021-05-02 17:37:09,846 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2021-05-02 17:37:09,847 INFO L275 PluginConnector]: IcfgTransformer initialized [2021-05-02 17:37:09,849 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 05:37:09" (1/1) ... [2021-05-02 17:37:09,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 02.05 05:37:09 BasicIcfg [2021-05-02 17:37:09,861 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2021-05-02 17:37:09,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-02 17:37:09,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-02 17:37:09,864 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-02 17:37:09,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.05 05:37:09" (1/4) ... [2021-05-02 17:37:09,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@329eb5ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 05:37:09, skipping insertion in model container [2021-05-02 17:37:09,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 05:37:09" (2/4) ... [2021-05-02 17:37:09,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@329eb5ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 05:37:09, skipping insertion in model container [2021-05-02 17:37:09,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 05:37:09" (3/4) ... [2021-05-02 17:37:09,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@329eb5ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.05 05:37:09, skipping insertion in model container [2021-05-02 17:37:09,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 02.05 05:37:09" (4/4) ... [2021-05-02 17:37:09,866 INFO L111 eAbstractionObserver]: Analyzing ICFG bubble_sort-1.cJordan [2021-05-02 17:37:09,870 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2021-05-02 17:37:09,872 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2021-05-02 17:37:09,883 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2021-05-02 17:37:09,896 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-02 17:37:09,896 INFO L377 AbstractCegarLoop]: Hoare is false [2021-05-02 17:37:09,896 INFO L378 AbstractCegarLoop]: Compute interpolants for ForwardPredicates [2021-05-02 17:37:09,896 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-02 17:37:09,896 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-02 17:37:09,896 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-02 17:37:09,896 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-02 17:37:09,896 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-02 17:37:09,905 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 31 states have (on average 1.5806451612903225) internal successors, (49), 31 states have internal predecessors, (49), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-05-02 17:37:09,910 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-02 17:37:09,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.05 05:37:09 BasicIcfg [2021-05-02 17:37:09,912 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-02 17:37:09,913 INFO L168 Benchmark]: Toolchain (without parser) took 667.70 ms. Allocated memory is still 222.3 MB. Free memory was 187.9 MB in the beginning and 173.1 MB in the end (delta: 14.8 MB). Peak memory consumption was 15.5 MB. Max. memory is 8.0 GB. [2021-05-02 17:37:09,914 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 222.3 MB. Free memory is still 204.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-05-02 17:37:09,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 208.42 ms. Allocated memory is still 222.3 MB. Free memory was 187.7 MB in the beginning and 206.2 MB in the end (delta: -18.5 MB). Peak memory consumption was 14.4 MB. Max. memory is 8.0 GB. [2021-05-02 17:37:09,915 INFO L168 Benchmark]: Boogie Preprocessor took 28.71 ms. Allocated memory is still 222.3 MB. Free memory was 206.2 MB in the beginning and 204.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-05-02 17:37:09,915 INFO L168 Benchmark]: RCFGBuilder took 361.38 ms. Allocated memory is still 222.3 MB. Free memory was 204.1 MB in the beginning and 180.0 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-05-02 17:37:09,916 INFO L168 Benchmark]: IcfgTransformer took 14.58 ms. Allocated memory is still 222.3 MB. Free memory was 180.0 MB in the beginning and 178.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-05-02 17:37:09,916 INFO L168 Benchmark]: TraceAbstraction took 50.34 ms. Allocated memory is still 222.3 MB. Free memory was 177.9 MB in the beginning and 173.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2021-05-02 17:37:09,919 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 222.3 MB. Free memory is still 204.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 208.42 ms. Allocated memory is still 222.3 MB. Free memory was 187.7 MB in the beginning and 206.2 MB in the end (delta: -18.5 MB). Peak memory consumption was 14.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 28.71 ms. Allocated memory is still 222.3 MB. Free memory was 206.2 MB in the beginning and 204.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 361.38 ms. Allocated memory is still 222.3 MB. Free memory was 204.1 MB in the beginning and 180.0 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * IcfgTransformer took 14.58 ms. Allocated memory is still 222.3 MB. Free memory was 180.0 MB in the beginning and 178.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 50.34 ms. Allocated memory is still 222.3 MB. Free memory was 177.9 MB in the beginning and 173.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 40 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 7.4ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! Received shutdown request...