./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2880296f 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 ../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i -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 7c5678568630a4199d94fed33c5301bef19d60be ......................................................................................................................................................................... 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 ../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i -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 7c5678568630a4199d94fed33c5301bef19d60be .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-2880296 [2020-12-02 14:09:49,938 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 14:09:49,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 14:09:50,007 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 14:09:50,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 14:09:50,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 14:09:50,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 14:09:50,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 14:09:50,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 14:09:50,039 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 14:09:50,041 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 14:09:50,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 14:09:50,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 14:09:50,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 14:09:50,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 14:09:50,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 14:09:50,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 14:09:50,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 14:09:50,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 14:09:50,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 14:09:50,076 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 14:09:50,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 14:09:50,081 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 14:09:50,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 14:09:50,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 14:09:50,095 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 14:09:50,095 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 14:09:50,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 14:09:50,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 14:09:50,099 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 14:09:50,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 14:09:50,101 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 14:09:50,103 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 14:09:50,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 14:09:50,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 14:09:50,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 14:09:50,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 14:09:50,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 14:09:50,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 14:09:50,109 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 14:09:50,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 14:09:50,111 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-02 14:09:50,171 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 14:09:50,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 14:09:50,174 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 14:09:50,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 14:09:50,175 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 14:09:50,176 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 14:09:50,176 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 14:09:50,176 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-02 14:09:50,176 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 14:09:50,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 14:09:50,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 14:09:50,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 14:09:50,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 14:09:50,179 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 14:09:50,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 14:09:50,180 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 14:09:50,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 14:09:50,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 14:09:50,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 14:09:50,181 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 14:09:50,182 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 14:09:50,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 14:09:50,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 14:09:50,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 14:09:50,183 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 14:09:50,183 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-02 14:09:50,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-02 14:09:50,183 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 14:09:50,184 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 14:09:50,184 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c5678568630a4199d94fed33c5301bef19d60be [2020-12-02 14:09:50,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 14:09:50,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 14:09:50,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 14:09:50,713 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 14:09:50,715 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 14:09:50,716 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i [2020-12-02 14:09:50,813 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/513baba70/18803d79e6a5411a9dcedd285e39021c/FLAGb6f6e1ecc [2020-12-02 14:09:51,598 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 14:09:51,599 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i [2020-12-02 14:09:51,616 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/513baba70/18803d79e6a5411a9dcedd285e39021c/FLAGb6f6e1ecc [2020-12-02 14:09:51,807 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/513baba70/18803d79e6a5411a9dcedd285e39021c [2020-12-02 14:09:51,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 14:09:51,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 14:09:51,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 14:09:51,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 14:09:51,822 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 14:09:51,823 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:09:51" (1/1) ... [2020-12-02 14:09:51,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a57de0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:51, skipping insertion in model container [2020-12-02 14:09:51,828 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:09:51" (1/1) ... [2020-12-02 14:09:51,836 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 14:09:51,947 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 14:09:52,617 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:847) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1710) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1400) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1079) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2341) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:704) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2341) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1407) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1351) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1044) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1422) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2291) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:578) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:201) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-02 14:09:52,629 INFO L168 Benchmark]: Toolchain (without parser) took 813.82 ms. Allocated memory was 39.8 MB in the beginning and 48.2 MB in the end (delta: 8.4 MB). Free memory was 15.2 MB in the beginning and 31.2 MB in the end (delta: -16.1 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2020-12-02 14:09:52,631 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 39.8 MB. Free memory was 24.4 MB in the beginning and 24.3 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:09:52,634 INFO L168 Benchmark]: CACSL2BoogieTranslator took 810.20 ms. Allocated memory was 39.8 MB in the beginning and 48.2 MB in the end (delta: 8.4 MB). Free memory was 14.9 MB in the beginning and 31.2 MB in the end (delta: -16.3 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2020-12-02 14:09:52,639 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 39.8 MB. Free memory was 24.4 MB in the beginning and 24.3 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 810.20 ms. Allocated memory was 39.8 MB in the beginning and 48.2 MB in the end (delta: 8.4 MB). Free memory was 14.9 MB in the beginning and 31.2 MB in the end (delta: -16.3 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:847) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-2880296 [2020-12-02 14:09:55,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-02 14:09:55,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-02 14:09:55,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-02 14:09:55,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-02 14:09:55,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-02 14:09:55,129 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-02 14:09:55,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-02 14:09:55,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-02 14:09:55,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-02 14:09:55,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-02 14:09:55,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-02 14:09:55,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-02 14:09:55,164 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-02 14:09:55,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-02 14:09:55,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-02 14:09:55,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-02 14:09:55,173 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-02 14:09:55,177 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-02 14:09:55,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-02 14:09:55,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-02 14:09:55,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-02 14:09:55,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-02 14:09:55,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-02 14:09:55,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-02 14:09:55,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-02 14:09:55,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-02 14:09:55,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-02 14:09:55,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-02 14:09:55,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-02 14:09:55,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-02 14:09:55,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-02 14:09:55,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-02 14:09:55,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-02 14:09:55,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-02 14:09:55,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-02 14:09:55,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-02 14:09:55,219 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-02 14:09:55,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-02 14:09:55,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-02 14:09:55,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-02 14:09:55,224 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-02 14:09:55,280 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-02 14:09:55,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-02 14:09:55,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-02 14:09:55,285 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-02 14:09:55,285 INFO L138 SettingsManager]: * Use SBE=true [2020-12-02 14:09:55,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-02 14:09:55,285 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-02 14:09:55,286 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-02 14:09:55,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-02 14:09:55,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-02 14:09:55,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-02 14:09:55,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-02 14:09:55,288 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-02 14:09:55,288 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-02 14:09:55,289 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-02 14:09:55,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-02 14:09:55,289 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-02 14:09:55,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-02 14:09:55,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-02 14:09:55,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-02 14:09:55,290 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-02 14:09:55,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-02 14:09:55,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-02 14:09:55,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-02 14:09:55,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-02 14:09:55,292 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-02 14:09:55,292 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-02 14:09:55,292 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-02 14:09:55,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-02 14:09:55,293 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-02 14:09:55,293 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-02 14:09:55,293 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c5678568630a4199d94fed33c5301bef19d60be [2020-12-02 14:09:55,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-02 14:09:55,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-02 14:09:55,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-02 14:09:55,805 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-02 14:09:55,806 INFO L275 PluginConnector]: CDTParser initialized [2020-12-02 14:09:55,807 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i [2020-12-02 14:09:55,902 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccb67cf57/835bb0e0655342e8bab091a3001c2c1b/FLAG18de7814b [2020-12-02 14:09:56,616 INFO L306 CDTParser]: Found 1 translation units. [2020-12-02 14:09:56,617 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i [2020-12-02 14:09:56,647 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccb67cf57/835bb0e0655342e8bab091a3001c2c1b/FLAG18de7814b [2020-12-02 14:09:56,897 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccb67cf57/835bb0e0655342e8bab091a3001c2c1b [2020-12-02 14:09:56,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-02 14:09:56,903 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-02 14:09:56,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-02 14:09:56,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-02 14:09:56,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-02 14:09:56,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:09:56" (1/1) ... [2020-12-02 14:09:56,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26faf65e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:56, skipping insertion in model container [2020-12-02 14:09:56,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:09:56" (1/1) ... [2020-12-02 14:09:56,930 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-12-02 14:09:57,039 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-12-02 14:09:57,732 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[41149,41162] [2020-12-02 14:09:57,743 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[41296,41309] [2020-12-02 14:09:57,749 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[41445,41458] [2020-12-02 14:09:57,757 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[41846,41859] [2020-12-02 14:09:57,761 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[41993,42006] [2020-12-02 14:09:57,775 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[42394,42407] [2020-12-02 14:09:57,781 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[42541,42554] [2020-12-02 14:09:57,783 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[42582,42595] [2020-12-02 14:09:57,801 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[42965,42978] [2020-12-02 14:09:57,804 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[43112,43125] [2020-12-02 14:09:57,820 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[43610,43623] [2020-12-02 14:09:57,826 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 14:09:57,851 INFO L212 MainTranslator]: Completed pre-run [2020-12-02 14:09:57,916 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[41149,41162] [2020-12-02 14:09:57,918 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[41296,41309] [2020-12-02 14:09:57,924 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[41445,41458] [2020-12-02 14:09:57,932 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[41846,41859] [2020-12-02 14:09:57,935 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[41993,42006] [2020-12-02 14:09:57,945 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[42394,42407] [2020-12-02 14:09:57,949 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[42541,42554] [2020-12-02 14:09:57,951 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[42582,42595] [2020-12-02 14:09:57,958 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[42965,42978] [2020-12-02 14:09:57,962 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[43112,43125] [2020-12-02 14:09:57,973 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp4.i[43610,43623] [2020-12-02 14:09:57,974 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-12-02 14:09:58,352 INFO L217 MainTranslator]: Completed translation [2020-12-02 14:09:58,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:58 WrapperNode [2020-12-02 14:09:58,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-02 14:09:58,354 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-02 14:09:58,354 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-02 14:09:58,354 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-02 14:09:58,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:58" (1/1) ... [2020-12-02 14:09:58,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:58" (1/1) ... [2020-12-02 14:09:58,419 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-02 14:09:58,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-02 14:09:58,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-02 14:09:58,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-02 14:09:58,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:58" (1/1) ... [2020-12-02 14:09:58,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:58" (1/1) ... [2020-12-02 14:09:58,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:58" (1/1) ... [2020-12-02 14:09:58,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:58" (1/1) ... [2020-12-02 14:09:58,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:58" (1/1) ... [2020-12-02 14:09:58,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:58" (1/1) ... [2020-12-02 14:09:58,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:58" (1/1) ... [2020-12-02 14:09:58,472 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-02 14:09:58,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-02 14:09:58,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-02 14:09:58,473 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-02 14:09:58,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:58" (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 [2020-12-02 14:09:58,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-02 14:09:58,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-02 14:09:58,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-02 14:09:58,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-02 14:09:59,140 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-02 14:09:59,140 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-02 14:09:59,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:09:59 BoogieIcfgContainer [2020-12-02 14:09:59,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-02 14:09:59,143 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-02 14:09:59,144 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-02 14:09:59,147 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-02 14:09:59,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:09:56" (1/3) ... [2020-12-02 14:09:59,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa045b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:09:59, skipping insertion in model container [2020-12-02 14:09:59,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:09:58" (2/3) ... [2020-12-02 14:09:59,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa045b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:09:59, skipping insertion in model container [2020-12-02 14:09:59,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:09:59" (3/3) ... [2020-12-02 14:09:59,150 INFO L111 eAbstractionObserver]: Analyzing ICFG float-no-simp4.i [2020-12-02 14:09:59,168 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-02 14:09:59,172 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2020-12-02 14:09:59,187 INFO L253 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2020-12-02 14:09:59,220 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-02 14:09:59,220 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-02 14:09:59,220 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-02 14:09:59,220 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-02 14:09:59,220 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-02 14:09:59,220 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-02 14:09:59,220 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-02 14:09:59,221 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-02 14:09:59,245 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2020-12-02 14:09:59,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-02 14:09:59,253 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 14:09:59,254 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-02 14:09:59,255 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 14:09:59,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 14:09:59,264 INFO L82 PathProgramCache]: Analyzing trace with hash 28693891, now seen corresponding path program 1 times [2020-12-02 14:09:59,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 14:09:59,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1217390151] [2020-12-02 14:09:59,281 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 [2020-12-02 14:09:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 14:09:59,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-02 14:09:59,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 14:09:59,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:09:59,445 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 14:09:59,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:09:59,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1217390151] [2020-12-02 14:09:59,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 14:09:59,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-02 14:09:59,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540917075] [2020-12-02 14:09:59,462 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-02 14:09:59,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 14:09:59,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-02 14:09:59,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 14:09:59,481 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 2 states. [2020-12-02 14:09:59,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 14:09:59,502 INFO L93 Difference]: Finished difference Result 91 states and 120 transitions. [2020-12-02 14:09:59,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-02 14:09:59,503 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2020-12-02 14:09:59,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 14:09:59,513 INFO L225 Difference]: With dead ends: 91 [2020-12-02 14:09:59,514 INFO L226 Difference]: Without dead ends: 44 [2020-12-02 14:09:59,517 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-02 14:09:59,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-12-02 14:09:59,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-12-02 14:09:59,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-12-02 14:09:59,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 43 transitions. [2020-12-02 14:09:59,563 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 43 transitions. Word has length 5 [2020-12-02 14:09:59,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 14:09:59,564 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 43 transitions. [2020-12-02 14:09:59,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-02 14:09:59,564 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 43 transitions. [2020-12-02 14:09:59,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-02 14:09:59,565 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 14:09:59,565 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-02 14:09:59,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-02 14:09:59,784 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 14:09:59,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 14:09:59,786 INFO L82 PathProgramCache]: Analyzing trace with hash 28695813, now seen corresponding path program 1 times [2020-12-02 14:09:59,787 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 14:09:59,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [425139369] [2020-12-02 14:09:59,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-02 14:09:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 14:09:59,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-02 14:09:59,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 14:10:00,044 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 15 [2020-12-02 14:10:00,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:10:00,073 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 14:10:00,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:10:00,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [425139369] [2020-12-02 14:10:00,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 14:10:00,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-12-02 14:10:00,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599467425] [2020-12-02 14:10:00,134 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-02 14:10:00,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 14:10:00,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-02 14:10:00,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-02 14:10:00,136 INFO L87 Difference]: Start difference. First operand 44 states and 43 transitions. Second operand 6 states. [2020-12-02 14:10:00,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 14:10:00,212 INFO L93 Difference]: Finished difference Result 44 states and 43 transitions. [2020-12-02 14:10:00,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-02 14:10:00,213 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 5 [2020-12-02 14:10:00,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 14:10:00,214 INFO L225 Difference]: With dead ends: 44 [2020-12-02 14:10:00,214 INFO L226 Difference]: Without dead ends: 38 [2020-12-02 14:10:00,215 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-12-02 14:10:00,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2020-12-02 14:10:00,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2020-12-02 14:10:00,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-12-02 14:10:00,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 37 transitions. [2020-12-02 14:10:00,221 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 37 transitions. Word has length 5 [2020-12-02 14:10:00,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 14:10:00,221 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 37 transitions. [2020-12-02 14:10:00,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-02 14:10:00,221 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 37 transitions. [2020-12-02 14:10:00,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-02 14:10:00,222 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 14:10:00,222 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 14:10:00,440 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-02 14:10:00,442 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 14:10:00,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 14:10:00,444 INFO L82 PathProgramCache]: Analyzing trace with hash -686348615, now seen corresponding path program 1 times [2020-12-02 14:10:00,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 14:10:00,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1802361703] [2020-12-02 14:10:00,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-02 14:10:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 14:10:00,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-02 14:10:00,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 14:10:00,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:10:00,601 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 14:10:00,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:10:00,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1802361703] [2020-12-02 14:10:00,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 14:10:00,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-12-02 14:10:00,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050318182] [2020-12-02 14:10:00,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-02 14:10:00,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 14:10:00,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-02 14:10:00,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-02 14:10:00,698 INFO L87 Difference]: Start difference. First operand 38 states and 37 transitions. Second operand 6 states. [2020-12-02 14:10:00,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 14:10:00,775 INFO L93 Difference]: Finished difference Result 38 states and 37 transitions. [2020-12-02 14:10:00,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-02 14:10:00,776 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2020-12-02 14:10:00,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 14:10:00,777 INFO L225 Difference]: With dead ends: 38 [2020-12-02 14:10:00,777 INFO L226 Difference]: Without dead ends: 34 [2020-12-02 14:10:00,778 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-12-02 14:10:00,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-12-02 14:10:00,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2020-12-02 14:10:00,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-12-02 14:10:00,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 33 transitions. [2020-12-02 14:10:00,783 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 33 transitions. Word has length 10 [2020-12-02 14:10:00,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 14:10:00,783 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 33 transitions. [2020-12-02 14:10:00,783 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-02 14:10:00,784 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 33 transitions. [2020-12-02 14:10:00,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-02 14:10:00,784 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 14:10:00,785 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 14:10:01,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-02 14:10:01,004 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 14:10:01,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 14:10:01,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1664358106, now seen corresponding path program 1 times [2020-12-02 14:10:01,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 14:10:01,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [646477501] [2020-12-02 14:10:01,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-02 14:10:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 14:10:01,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-02 14:10:01,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 14:10:01,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:10:01,112 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 14:10:01,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:10:01,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [646477501] [2020-12-02 14:10:01,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 14:10:01,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-12-02 14:10:01,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743497863] [2020-12-02 14:10:01,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-02 14:10:01,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 14:10:01,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-02 14:10:01,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-02 14:10:01,185 INFO L87 Difference]: Start difference. First operand 34 states and 33 transitions. Second operand 6 states. [2020-12-02 14:10:01,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 14:10:01,246 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2020-12-02 14:10:01,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-02 14:10:01,247 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-12-02 14:10:01,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 14:10:01,248 INFO L225 Difference]: With dead ends: 34 [2020-12-02 14:10:01,248 INFO L226 Difference]: Without dead ends: 28 [2020-12-02 14:10:01,249 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-12-02 14:10:01,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-12-02 14:10:01,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-12-02 14:10:01,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-12-02 14:10:01,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2020-12-02 14:10:01,253 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 14 [2020-12-02 14:10:01,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 14:10:01,253 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2020-12-02 14:10:01,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-02 14:10:01,253 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2020-12-02 14:10:01,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-02 14:10:01,254 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 14:10:01,254 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 14:10:01,468 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-02 14:10:01,469 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 14:10:01,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 14:10:01,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1867176430, now seen corresponding path program 1 times [2020-12-02 14:10:01,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 14:10:01,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [669949139] [2020-12-02 14:10:01,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-02 14:10:01,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 14:10:01,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-02 14:10:01,545 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 14:10:01,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:10:01,621 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 14:10:01,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:10:01,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [669949139] [2020-12-02 14:10:01,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 14:10:01,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-12-02 14:10:01,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645325590] [2020-12-02 14:10:01,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-02 14:10:01,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 14:10:01,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-02 14:10:01,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-02 14:10:01,678 INFO L87 Difference]: Start difference. First operand 28 states and 27 transitions. Second operand 6 states. [2020-12-02 14:10:01,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 14:10:01,778 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2020-12-02 14:10:01,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-02 14:10:01,778 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-12-02 14:10:01,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 14:10:01,779 INFO L225 Difference]: With dead ends: 28 [2020-12-02 14:10:01,780 INFO L226 Difference]: Without dead ends: 24 [2020-12-02 14:10:01,781 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2020-12-02 14:10:01,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-12-02 14:10:01,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-12-02 14:10:01,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-12-02 14:10:01,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 23 transitions. [2020-12-02 14:10:01,786 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 23 transitions. Word has length 19 [2020-12-02 14:10:01,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 14:10:01,788 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 23 transitions. [2020-12-02 14:10:01,788 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-02 14:10:01,788 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 23 transitions. [2020-12-02 14:10:01,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-02 14:10:01,790 INFO L414 BasicCegarLoop]: Found error trace [2020-12-02 14:10:01,791 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-02 14:10:01,991 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-02 14:10:01,992 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-02 14:10:01,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-02 14:10:01,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1057859749, now seen corresponding path program 1 times [2020-12-02 14:10:01,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-02 14:10:01,995 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1455008639] [2020-12-02 14:10:01,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-12-02 14:10:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-02 14:10:02,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-02 14:10:02,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-02 14:10:02,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:10:02,212 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-02 14:10:02,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-02 14:10:02,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1455008639] [2020-12-02 14:10:02,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-02 14:10:02,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2020-12-02 14:10:02,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557890119] [2020-12-02 14:10:02,292 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-02 14:10:02,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-02 14:10:02,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-02 14:10:02,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-02 14:10:02,299 INFO L87 Difference]: Start difference. First operand 24 states and 23 transitions. Second operand 5 states. [2020-12-02 14:10:02,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-02 14:10:02,380 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2020-12-02 14:10:02,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-02 14:10:02,381 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2020-12-02 14:10:02,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-02 14:10:02,381 INFO L225 Difference]: With dead ends: 24 [2020-12-02 14:10:02,381 INFO L226 Difference]: Without dead ends: 0 [2020-12-02 14:10:02,382 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-02 14:10:02,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-02 14:10:02,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-02 14:10:02,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-02 14:10:02,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-02 14:10:02,383 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2020-12-02 14:10:02,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-02 14:10:02,383 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-02 14:10:02,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-02 14:10:02,384 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-02 14:10:02,384 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-02 14:10:02,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-12-02 14:10:02,603 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-02 14:10:02,606 INFO L262 CegarLoopResult]: For program point L2-1(line 981) no Hoare annotation was computed. [2020-12-02 14:10:02,606 INFO L262 CegarLoopResult]: For program point L2-2(line 988) no Hoare annotation was computed. [2020-12-02 14:10:02,606 INFO L262 CegarLoopResult]: For program point L2-3(line 997) no Hoare annotation was computed. [2020-12-02 14:10:02,606 INFO L262 CegarLoopResult]: For program point L2-4(line 1004) no Hoare annotation was computed. [2020-12-02 14:10:02,606 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 998) no Hoare annotation was computed. [2020-12-02 14:10:02,606 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 974) no Hoare annotation was computed. [2020-12-02 14:10:02,606 INFO L262 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-12-02 14:10:02,606 INFO L262 CegarLoopResult]: For program point L3-2(line 3) no Hoare annotation was computed. [2020-12-02 14:10:02,607 INFO L262 CegarLoopResult]: For program point L3-4(line 3) no Hoare annotation was computed. [2020-12-02 14:10:02,607 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 982) no Hoare annotation was computed. [2020-12-02 14:10:02,607 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-02 14:10:02,607 INFO L262 CegarLoopResult]: For program point L3-6(line 3) no Hoare annotation was computed. [2020-12-02 14:10:02,607 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-02 14:10:02,607 INFO L262 CegarLoopResult]: For program point L3-8(line 3) no Hoare annotation was computed. [2020-12-02 14:10:02,608 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 981) no Hoare annotation was computed. [2020-12-02 14:10:02,609 INFO L262 CegarLoopResult]: For program point L1004(line 1004) no Hoare annotation was computed. [2020-12-02 14:10:02,609 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 989) no Hoare annotation was computed. [2020-12-02 14:10:02,609 INFO L262 CegarLoopResult]: For program point L988(line 988) no Hoare annotation was computed. [2020-12-02 14:10:02,609 INFO L262 CegarLoopResult]: For program point L988-2(lines 968 1005) no Hoare annotation was computed. [2020-12-02 14:10:02,609 INFO L262 CegarLoopResult]: For program point L997(line 997) no Hoare annotation was computed. [2020-12-02 14:10:02,609 INFO L262 CegarLoopResult]: For program point L997-2(lines 968 1005) no Hoare annotation was computed. [2020-12-02 14:10:02,609 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 988) no Hoare annotation was computed. [2020-12-02 14:10:02,609 INFO L262 CegarLoopResult]: For program point L989(line 989) no Hoare annotation was computed. [2020-12-02 14:10:02,610 INFO L262 CegarLoopResult]: For program point L989-2(lines 968 1005) no Hoare annotation was computed. [2020-12-02 14:10:02,610 INFO L262 CegarLoopResult]: For program point L981(line 981) no Hoare annotation was computed. [2020-12-02 14:10:02,610 INFO L262 CegarLoopResult]: For program point L981-2(lines 968 1005) no Hoare annotation was computed. [2020-12-02 14:10:02,610 INFO L262 CegarLoopResult]: For program point L973(line 973) no Hoare annotation was computed. [2020-12-02 14:10:02,610 INFO L262 CegarLoopResult]: For program point L973-2(lines 968 1005) no Hoare annotation was computed. [2020-12-02 14:10:02,610 INFO L262 CegarLoopResult]: For program point L998(line 998) no Hoare annotation was computed. [2020-12-02 14:10:02,610 INFO L262 CegarLoopResult]: For program point L998-2(line 998) no Hoare annotation was computed. [2020-12-02 14:10:02,610 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-02 14:10:02,610 INFO L262 CegarLoopResult]: For program point L990(line 990) no Hoare annotation was computed. [2020-12-02 14:10:02,611 INFO L262 CegarLoopResult]: For program point L990-2(line 990) no Hoare annotation was computed. [2020-12-02 14:10:02,611 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 997) no Hoare annotation was computed. [2020-12-02 14:10:02,611 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 973) no Hoare annotation was computed. [2020-12-02 14:10:02,611 INFO L262 CegarLoopResult]: For program point L982(line 982) no Hoare annotation was computed. [2020-12-02 14:10:02,611 INFO L262 CegarLoopResult]: For program point L982-2(line 982) no Hoare annotation was computed. [2020-12-02 14:10:02,611 INFO L262 CegarLoopResult]: For program point L974(line 974) no Hoare annotation was computed. [2020-12-02 14:10:02,611 INFO L262 CegarLoopResult]: For program point L974-2(lines 968 1005) no Hoare annotation was computed. [2020-12-02 14:10:02,611 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-02 14:10:02,612 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 990) no Hoare annotation was computed. [2020-12-02 14:10:02,612 INFO L262 CegarLoopResult]: For program point L975(line 975) no Hoare annotation was computed. [2020-12-02 14:10:02,612 INFO L262 CegarLoopResult]: For program point L975-2(line 975) no Hoare annotation was computed. [2020-12-02 14:10:02,612 INFO L262 CegarLoopResult]: For program point L967(lines 967 1005) no Hoare annotation was computed. [2020-12-02 14:10:02,612 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 1004) no Hoare annotation was computed. [2020-12-02 14:10:02,612 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 975) no Hoare annotation was computed. [2020-12-02 14:10:02,612 INFO L262 CegarLoopResult]: For program point L2(line 973) no Hoare annotation was computed. [2020-12-02 14:10:02,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:10:02 BoogieIcfgContainer [2020-12-02 14:10:02,618 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-02 14:10:02,619 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-02 14:10:02,619 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-02 14:10:02,619 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-02 14:10:02,620 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:09:59" (3/4) ... [2020-12-02 14:10:02,627 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-02 14:10:02,647 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-12-02 14:10:02,650 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-02 14:10:02,650 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 14:10:02,650 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-02 14:10:02,740 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-02 14:10:02,740 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-02 14:10:02,741 INFO L168 Benchmark]: Toolchain (without parser) took 5838.24 ms. Allocated memory was 50.3 MB in the beginning and 73.4 MB in the end (delta: 23.1 MB). Free memory was 25.7 MB in the beginning and 27.5 MB in the end (delta: -1.8 MB). Peak memory consumption was 23.2 MB. Max. memory is 16.1 GB. [2020-12-02 14:10:02,742 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 41.9 MB. Free memory was 19.9 MB in the beginning and 19.9 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:10:02,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1444.90 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 25.4 MB in the beginning and 25.9 MB in the end (delta: -490.5 kB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. [2020-12-02 14:10:02,743 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.43 ms. Allocated memory is still 60.8 MB. Free memory was 25.9 MB in the beginning and 22.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 14:10:02,743 INFO L168 Benchmark]: Boogie Preprocessor took 52.22 ms. Allocated memory is still 60.8 MB. Free memory was 22.9 MB in the beginning and 21.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-02 14:10:02,744 INFO L168 Benchmark]: RCFGBuilder took 668.93 ms. Allocated memory is still 60.8 MB. Free memory was 21.4 MB in the beginning and 29.6 MB in the end (delta: -8.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. [2020-12-02 14:10:02,746 INFO L168 Benchmark]: TraceAbstraction took 3475.04 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 29.0 MB in the beginning and 32.3 MB in the end (delta: -3.2 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2020-12-02 14:10:02,747 INFO L168 Benchmark]: Witness Printer took 121.15 ms. Allocated memory is still 73.4 MB. Free memory was 31.7 MB in the beginning and 27.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-02 14:10:02,749 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 41.9 MB. Free memory was 19.9 MB in the beginning and 19.9 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1444.90 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 25.4 MB in the beginning and 25.9 MB in the end (delta: -490.5 kB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.43 ms. Allocated memory is still 60.8 MB. Free memory was 25.9 MB in the beginning and 22.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 52.22 ms. Allocated memory is still 60.8 MB. Free memory was 22.9 MB in the beginning and 21.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 668.93 ms. Allocated memory is still 60.8 MB. Free memory was 21.4 MB in the beginning and 29.6 MB in the end (delta: -8.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3475.04 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 29.0 MB in the beginning and 32.3 MB in the end (delta: -3.2 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. * Witness Printer took 121.15 ms. Allocated memory is still 73.4 MB. Free memory was 31.7 MB in the beginning and 27.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 974]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 997]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 982]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 990]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 988]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 989]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1004]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 981]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 973]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 975]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 998]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 47 locations, 11 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.3s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 172 SDtfs, 147 SDslu, 117 SDs, 0 SdLazy, 81 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 145 GetRequests, 120 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred 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, 6 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, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 7736 SizeOfPredicates, 15 NumberOfNonLiveVariables, 226 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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...