./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 80f4c7cd3af7d4ef31d93e6369e6026704f12fbd .................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 80f4c7cd3af7d4ef31d93e6369e6026704f12fbd ............................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-10-24 21:54:50,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 21:54:50,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 21:54:50,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 21:54:50,587 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 21:54:50,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 21:54:50,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 21:54:50,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 21:54:50,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 21:54:50,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 21:54:50,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 21:54:50,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 21:54:50,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 21:54:50,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 21:54:50,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 21:54:50,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 21:54:50,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 21:54:50,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 21:54:50,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 21:54:50,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 21:54:50,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 21:54:50,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 21:54:50,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 21:54:50,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 21:54:50,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 21:54:50,621 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 21:54:50,621 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 21:54:50,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 21:54:50,623 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 21:54:50,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 21:54:50,624 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 21:54:50,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 21:54:50,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 21:54:50,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 21:54:50,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 21:54:50,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 21:54:50,630 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 21:54:50,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 21:54:50,631 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 21:54:50,632 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 21:54:50,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 21:54:50,635 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 21:54:50,705 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 21:54:50,705 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 21:54:50,710 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 21:54:50,710 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 21:54:50,711 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 21:54:50,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 21:54:50,711 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 21:54:50,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 21:54:50,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 21:54:50,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 21:54:50,713 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 21:54:50,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 21:54:50,713 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 21:54:50,713 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 21:54:50,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 21:54:50,714 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 21:54:50,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 21:54:50,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 21:54:50,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 21:54:50,714 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 21:54:50,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 21:54:50,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 21:54:50,716 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 21:54:50,716 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 21:54:50,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 21:54:50,717 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 21:54:50,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 21:54:50,717 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 21:54:50,717 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 21:54:50,718 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80f4c7cd3af7d4ef31d93e6369e6026704f12fbd [2020-10-24 21:54:51,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 21:54:51,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 21:54:51,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 21:54:51,223 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 21:54:51,225 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 21:54:51,226 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c [2020-10-24 21:54:51,317 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a70400067/dac44323f9154ae18769b3e1688217ed/FLAG1c90eb341 [2020-10-24 21:54:52,038 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 21:54:52,038 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c [2020-10-24 21:54:52,046 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a70400067/dac44323f9154ae18769b3e1688217ed/FLAG1c90eb341 [2020-10-24 21:54:52,407 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a70400067/dac44323f9154ae18769b3e1688217ed [2020-10-24 21:54:52,411 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 21:54:52,418 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 21:54:52,421 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 21:54:52,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 21:54:52,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 21:54:52,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:54:52" (1/1) ... [2020-10-24 21:54:52,430 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72720bf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:54:52, skipping insertion in model container [2020-10-24 21:54:52,430 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:54:52" (1/1) ... [2020-10-24 21:54:52,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 21:54:52,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 21:54:52,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 21:54:52,629 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 21:54:52,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 21:54:52,661 INFO L208 MainTranslator]: Completed translation [2020-10-24 21:54:52,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:54:52 WrapperNode [2020-10-24 21:54:52,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 21:54:52,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 21:54:52,664 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 21:54:52,664 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 21:54:52,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:54:52" (1/1) ... [2020-10-24 21:54:52,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:54:52" (1/1) ... [2020-10-24 21:54:52,701 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 21:54:52,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 21:54:52,702 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 21:54:52,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 21:54:52,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:54:52" (1/1) ... [2020-10-24 21:54:52,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:54:52" (1/1) ... [2020-10-24 21:54:52,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:54:52" (1/1) ... [2020-10-24 21:54:52,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:54:52" (1/1) ... [2020-10-24 21:54:52,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:54:52" (1/1) ... [2020-10-24 21:54:52,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:54:52" (1/1) ... [2020-10-24 21:54:52,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:54:52" (1/1) ... [2020-10-24 21:54:52,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 21:54:52,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 21:54:52,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 21:54:52,731 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 21:54:52,732 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:54:52" (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 [2020-10-24 21:54:52,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 21:54:52,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 21:54:52,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 21:54:52,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 21:54:53,004 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 21:54:53,004 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-24 21:54:53,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:54:53 BoogieIcfgContainer [2020-10-24 21:54:53,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 21:54:53,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 21:54:53,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 21:54:53,012 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 21:54:53,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:54:52" (1/3) ... [2020-10-24 21:54:53,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758b9db7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:54:53, skipping insertion in model container [2020-10-24 21:54:53,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:54:52" (2/3) ... [2020-10-24 21:54:53,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@758b9db7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:54:53, skipping insertion in model container [2020-10-24 21:54:53,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:54:53" (3/3) ... [2020-10-24 21:54:53,016 INFO L111 eAbstractionObserver]: Analyzing ICFG float-no-simp3.c [2020-10-24 21:54:53,030 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 21:54:53,035 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 21:54:53,051 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 21:54:53,110 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 21:54:53,113 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 21:54:53,115 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 21:54:53,115 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 21:54:53,116 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 21:54:53,116 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 21:54:53,116 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 21:54:53,116 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 21:54:53,154 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-10-24 21:54:53,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-24 21:54:53,173 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 21:54:53,175 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-24 21:54:53,175 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 21:54:53,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 21:54:53,197 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2020-10-24 21:54:53,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 21:54:53,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124360991] [2020-10-24 21:54:53,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 21:54:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 21:54:53,388 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 21:54:53,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 21:54:53,434 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 21:54:53,469 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 21:54:53,470 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 21:54:53,471 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 21:54:53,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:54:53 BoogieIcfgContainer [2020-10-24 21:54:53,505 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 21:54:53,508 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 21:54:53,508 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 21:54:53,508 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 21:54:53,509 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:54:53" (3/4) ... [2020-10-24 21:54:53,514 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 21:54:53,514 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 21:54:53,521 INFO L168 Benchmark]: Toolchain (without parser) took 1103.05 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.5 MB in the beginning and 31.8 MB in the end (delta: -10.3 MB). Peak memory consumption was 2.5 MB. Max. memory is 16.1 GB. [2020-10-24 21:54:53,525 INFO L168 Benchmark]: CDTParser took 0.72 ms. Allocated memory is still 44.0 MB. Free memory was 27.1 MB in the beginning and 27.0 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 21:54:53,526 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.96 ms. Allocated memory is still 44.0 MB. Free memory was 20.9 MB in the beginning and 21.2 MB in the end (delta: -271.3 kB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-10-24 21:54:53,527 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.59 ms. Allocated memory is still 44.0 MB. Free memory was 21.2 MB in the beginning and 19.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 21:54:53,529 INFO L168 Benchmark]: Boogie Preprocessor took 27.42 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 19.9 MB in the beginning and 39.3 MB in the end (delta: -19.4 MB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. [2020-10-24 21:54:53,530 INFO L168 Benchmark]: RCFGBuilder took 275.99 ms. Allocated memory is still 54.5 MB. Free memory was 39.3 MB in the beginning and 29.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-24 21:54:53,532 INFO L168 Benchmark]: TraceAbstraction took 496.92 ms. Allocated memory is still 54.5 MB. Free memory was 29.5 MB in the beginning and 32.1 MB in the end (delta: -2.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 21:54:53,533 INFO L168 Benchmark]: Witness Printer took 6.69 ms. Allocated memory is still 54.5 MB. Free memory was 32.1 MB in the beginning and 31.8 MB in the end (delta: 275.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 21:54:53,552 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72 ms. Allocated memory is still 44.0 MB. Free memory was 27.1 MB in the beginning and 27.0 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 241.96 ms. Allocated memory is still 44.0 MB. Free memory was 20.9 MB in the beginning and 21.2 MB in the end (delta: -271.3 kB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.59 ms. Allocated memory is still 44.0 MB. Free memory was 21.2 MB in the beginning and 19.9 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.42 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 19.9 MB in the beginning and 39.3 MB in the end (delta: -19.4 MB). Peak memory consumption was 2.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 275.99 ms. Allocated memory is still 54.5 MB. Free memory was 39.3 MB in the beginning and 29.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 496.92 ms. Allocated memory is still 54.5 MB. Free memory was 29.5 MB in the beginning and 32.1 MB in the end (delta: -2.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 6.69 ms. Allocated memory is still 54.5 MB. Free memory was 32.1 MB in the beginning and 31.8 MB in the end (delta: 275.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of to_int at line 10, overapproximation of someBinaryArithmeticFLOAToperation at line 8. Possible FailurePath: [L8] float fs1=2.0f/6.0f; [L9] float fs2=fs1*6.0f; [L10] COND TRUE !((int)fs2==2) [L3] __assert_fail("0", "float-no-simp3.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-10-24 21:54:56,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 21:54:56,143 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 21:54:56,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 21:54:56,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 21:54:56,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 21:54:56,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 21:54:56,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 21:54:56,190 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 21:54:56,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 21:54:56,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 21:54:56,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 21:54:56,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 21:54:56,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 21:54:56,198 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 21:54:56,199 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 21:54:56,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 21:54:56,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 21:54:56,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 21:54:56,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 21:54:56,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 21:54:56,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 21:54:56,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 21:54:56,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 21:54:56,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 21:54:56,217 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 21:54:56,217 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 21:54:56,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 21:54:56,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 21:54:56,225 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 21:54:56,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 21:54:56,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 21:54:56,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 21:54:56,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 21:54:56,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 21:54:56,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 21:54:56,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 21:54:56,238 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 21:54:56,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 21:54:56,239 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 21:54:56,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 21:54:56,243 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 21:54:56,303 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 21:54:56,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 21:54:56,306 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 21:54:56,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 21:54:56,308 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 21:54:56,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 21:54:56,309 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 21:54:56,309 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 21:54:56,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 21:54:56,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 21:54:56,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 21:54:56,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 21:54:56,311 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 21:54:56,312 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 21:54:56,312 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 21:54:56,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 21:54:56,312 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 21:54:56,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 21:54:56,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 21:54:56,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 21:54:56,314 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 21:54:56,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 21:54:56,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 21:54:56,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 21:54:56,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 21:54:56,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 21:54:56,316 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 21:54:56,316 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 21:54:56,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 21:54:56,317 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 21:54:56,317 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 21:54:56,317 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80f4c7cd3af7d4ef31d93e6369e6026704f12fbd [2020-10-24 21:54:56,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 21:54:56,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 21:54:56,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 21:54:56,773 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 21:54:56,773 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 21:54:56,775 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c [2020-10-24 21:54:56,868 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3da12cc4a/9b2013ccde5a45e1b0e2251f87344b91/FLAGfdd6f255a [2020-10-24 21:54:57,445 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 21:54:57,446 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp3.c [2020-10-24 21:54:57,453 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3da12cc4a/9b2013ccde5a45e1b0e2251f87344b91/FLAGfdd6f255a [2020-10-24 21:54:57,878 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3da12cc4a/9b2013ccde5a45e1b0e2251f87344b91 [2020-10-24 21:54:57,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 21:54:57,900 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 21:54:57,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 21:54:57,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 21:54:57,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 21:54:57,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:54:57" (1/1) ... [2020-10-24 21:54:57,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@200abbba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:54:57, skipping insertion in model container [2020-10-24 21:54:57,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:54:57" (1/1) ... [2020-10-24 21:54:57,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 21:54:57,942 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 21:54:58,199 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 21:54:58,217 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 21:54:58,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 21:54:58,253 INFO L208 MainTranslator]: Completed translation [2020-10-24 21:54:58,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:54:58 WrapperNode [2020-10-24 21:54:58,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 21:54:58,255 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 21:54:58,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 21:54:58,255 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 21:54:58,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:54:58" (1/1) ... [2020-10-24 21:54:58,276 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:54:58" (1/1) ... [2020-10-24 21:54:58,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 21:54:58,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 21:54:58,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 21:54:58,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 21:54:58,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:54:58" (1/1) ... [2020-10-24 21:54:58,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:54:58" (1/1) ... [2020-10-24 21:54:58,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:54:58" (1/1) ... [2020-10-24 21:54:58,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:54:58" (1/1) ... [2020-10-24 21:54:58,318 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:54:58" (1/1) ... [2020-10-24 21:54:58,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:54:58" (1/1) ... [2020-10-24 21:54:58,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:54:58" (1/1) ... [2020-10-24 21:54:58,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 21:54:58,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 21:54:58,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 21:54:58,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 21:54:58,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:54:58" (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 [2020-10-24 21:54:58,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 21:54:58,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 21:54:58,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 21:54:58,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 21:54:58,686 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 21:54:58,687 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-24 21:54:58,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:54:58 BoogieIcfgContainer [2020-10-24 21:54:58,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 21:54:58,691 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 21:54:58,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 21:54:58,695 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 21:54:58,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:54:57" (1/3) ... [2020-10-24 21:54:58,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c22d8df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:54:58, skipping insertion in model container [2020-10-24 21:54:58,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:54:58" (2/3) ... [2020-10-24 21:54:58,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c22d8df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:54:58, skipping insertion in model container [2020-10-24 21:54:58,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:54:58" (3/3) ... [2020-10-24 21:54:58,713 INFO L111 eAbstractionObserver]: Analyzing ICFG float-no-simp3.c [2020-10-24 21:54:58,767 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 21:54:58,780 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 21:54:58,796 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 21:54:58,828 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 21:54:58,828 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 21:54:58,829 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 21:54:58,829 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 21:54:58,829 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 21:54:58,829 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 21:54:58,829 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 21:54:58,830 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 21:54:58,844 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-10-24 21:54:58,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-24 21:54:58,852 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 21:54:58,853 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-24 21:54:58,854 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 21:54:58,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 21:54:58,861 INFO L82 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2020-10-24 21:54:58,876 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 21:54:58,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1777556708] [2020-10-24 21:54:58,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-24 21:54:59,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 21:54:59,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-24 21:54:59,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 21:54:59,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 21:54:59,128 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 21:54:59,688 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-10-24 21:54:59,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 21:54:59,691 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1777556708] [2020-10-24 21:54:59,692 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 21:54:59,692 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-10-24 21:54:59,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979012163] [2020-10-24 21:54:59,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-24 21:54:59,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 21:54:59,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-24 21:54:59,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-24 21:54:59,716 INFO L87 Difference]: Start difference. First operand 9 states. Second operand 6 states. [2020-10-24 21:54:59,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 21:54:59,834 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-10-24 21:54:59,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-24 21:54:59,839 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 4 [2020-10-24 21:54:59,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 21:54:59,848 INFO L225 Difference]: With dead ends: 12 [2020-10-24 21:54:59,848 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 21:54:59,853 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-24 21:54:59,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 21:54:59,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 21:54:59,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 21:54:59,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 21:54:59,892 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2020-10-24 21:54:59,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 21:54:59,892 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 21:54:59,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-24 21:54:59,893 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 21:54:59,893 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 21:55:00,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 21:55:00,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 21:55:00,117 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-24 21:55:00,117 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-24 21:55:00,117 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-24 21:55:00,117 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-24 21:55:00,117 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-24 21:55:00,118 INFO L274 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-10-24 21:55:00,118 INFO L274 CegarLoopResult]: For program point L5(lines 5 11) no Hoare annotation was computed. [2020-10-24 21:55:00,118 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-24 21:55:00,118 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-10-24 21:55:00,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:55:00 BoogieIcfgContainer [2020-10-24 21:55:00,125 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 21:55:00,128 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 21:55:00,129 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 21:55:00,129 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 21:55:00,130 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:54:58" (3/4) ... [2020-10-24 21:55:00,134 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-24 21:55:00,150 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-10-24 21:55:00,151 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-24 21:55:00,151 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-24 21:55:00,151 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-24 21:55:00,215 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 21:55:00,215 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 21:55:00,218 INFO L168 Benchmark]: Toolchain (without parser) took 2324.30 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 35.3 MB in the beginning and 59.5 MB in the end (delta: -24.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. [2020-10-24 21:55:00,226 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 58.7 MB. Free memory was 42.1 MB in the beginning and 42.1 MB in the end (delta: 53.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 21:55:00,228 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.56 ms. Allocated memory is still 58.7 MB. Free memory was 34.6 MB in the beginning and 40.1 MB in the end (delta: -5.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-24 21:55:00,229 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.35 ms. Allocated memory is still 58.7 MB. Free memory was 40.0 MB in the beginning and 38.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 21:55:00,230 INFO L168 Benchmark]: Boogie Preprocessor took 27.94 ms. Allocated memory is still 58.7 MB. Free memory was 38.6 MB in the beginning and 37.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 21:55:00,231 INFO L168 Benchmark]: RCFGBuilder took 363.51 ms. Allocated memory is still 58.7 MB. Free memory was 37.5 MB in the beginning and 27.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-24 21:55:00,235 INFO L168 Benchmark]: TraceAbstraction took 1434.12 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 27.1 MB in the beginning and 39.2 MB in the end (delta: -12.0 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. [2020-10-24 21:55:00,236 INFO L168 Benchmark]: Witness Printer took 86.62 ms. Allocated memory is still 77.6 MB. Free memory was 39.2 MB in the beginning and 59.5 MB in the end (delta: -20.3 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. [2020-10-24 21:55:00,247 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 58.7 MB. Free memory was 42.1 MB in the beginning and 42.1 MB in the end (delta: 53.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 349.56 ms. Allocated memory is still 58.7 MB. Free memory was 34.6 MB in the beginning and 40.1 MB in the end (delta: -5.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.35 ms. Allocated memory is still 58.7 MB. Free memory was 40.0 MB in the beginning and 38.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.94 ms. Allocated memory is still 58.7 MB. Free memory was 38.6 MB in the beginning and 37.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 363.51 ms. Allocated memory is still 58.7 MB. Free memory was 37.5 MB in the beginning and 27.7 MB in the end (delta: 9.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1434.12 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 27.1 MB in the beginning and 39.2 MB in the end (delta: -12.0 MB). Peak memory consumption was 9.7 MB. Max. memory is 16.1 GB. * Witness Printer took 86.62 ms. Allocated memory is still 77.6 MB. Free memory was 39.2 MB in the beginning and 59.5 MB in the end (delta: -20.3 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 SDtfs, 7 SDslu, 2 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 126 SizeOfPredicates, 3 NumberOfNonLiveVariables, 26 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...