./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 356e353e7bb6e96bd959fe4862b56669bada9c19 .................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 356e353e7bb6e96bd959fe4862b56669bada9c19 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 00:18:07,116 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:18:07,118 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:18:07,131 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:18:07,132 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:18:07,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:18:07,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:18:07,144 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:18:07,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:18:07,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:18:07,154 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:18:07,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:18:07,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:18:07,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:18:07,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:18:07,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:18:07,161 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:18:07,162 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:18:07,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:18:07,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:18:07,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:18:07,173 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:18:07,176 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:18:07,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:18:07,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:18:07,181 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:18:07,181 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:18:07,183 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:18:07,183 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:18:07,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:18:07,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:18:07,185 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:18:07,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:18:07,186 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:18:07,187 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:18:07,187 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:18:07,188 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:18:07,188 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:18:07,188 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:18:07,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:18:07,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:18:07,191 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 00:18:07,216 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:18:07,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:18:07,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:18:07,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:18:07,222 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 00:18:07,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:18:07,223 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 00:18:07,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 00:18:07,223 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 00:18:07,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:18:07,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 00:18:07,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 00:18:07,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 00:18:07,224 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 00:18:07,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 00:18:07,224 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:18:07,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 00:18:07,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:18:07,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 00:18:07,225 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 00:18:07,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 00:18:07,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 00:18:07,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:18:07,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 00:18:07,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 00:18:07,226 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 00:18:07,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 00:18:07,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 00:18:07,227 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/bin/uautomizer 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(__VERIFIER_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 -> 356e353e7bb6e96bd959fe4862b56669bada9c19 [2019-11-20 00:18:07,370 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:18:07,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:18:07,383 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:18:07,385 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:18:07,385 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:18:07,386 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2019-11-20 00:18:07,436 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/bin/uautomizer/data/3a6307ed8/0b1acfe45e194f6185d434b37d7d4648/FLAG367ab1e90 [2019-11-20 00:18:07,974 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:18:07,975 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2019-11-20 00:18:07,996 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/bin/uautomizer/data/3a6307ed8/0b1acfe45e194f6185d434b37d7d4648/FLAG367ab1e90 [2019-11-20 00:18:08,407 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/bin/uautomizer/data/3a6307ed8/0b1acfe45e194f6185d434b37d7d4648 [2019-11-20 00:18:08,410 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:18:08,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 00:18:08,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:18:08,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:18:08,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:18:08,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:18:08" (1/1) ... [2019-11-20 00:18:08,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2299be98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:08, skipping insertion in model container [2019-11-20 00:18:08,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:18:08" (1/1) ... [2019-11-20 00:18:08,427 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:18:08,492 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:18:09,004 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:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1644) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:210) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1262) 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:941) 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:2226) 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:666) 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:2226) 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:172) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleVerifierAssume(StandardFunctionHandler.java:1616) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:210) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1262) 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:1213) 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:906) 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:1284) 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:3361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2176) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:540) 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:187) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:114) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:125) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-20 00:18:09,018 INFO L168 Benchmark]: Toolchain (without parser) took 605.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -186.5 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2019-11-20 00:18:09,018 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 964.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:18:09,019 INFO L168 Benchmark]: CACSL2BoogieTranslator took 603.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -186.5 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2019-11-20 00:18:09,021 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 964.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 603.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -186.5 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 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:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 00:18:10,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:18:10,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:18:10,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:18:10,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:18:10,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:18:10,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:18:10,951 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:18:10,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:18:10,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:18:10,955 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:18:10,956 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:18:10,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:18:10,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:18:10,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:18:10,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:18:10,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:18:10,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:18:10,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:18:10,967 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:18:10,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:18:10,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:18:10,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:18:10,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:18:10,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:18:10,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:18:10,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:18:10,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:18:10,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:18:10,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:18:10,979 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:18:10,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:18:10,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:18:10,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:18:10,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:18:10,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:18:10,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:18:10,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:18:10,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:18:10,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:18:10,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:18:10,987 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 00:18:11,004 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:18:11,004 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:18:11,006 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:18:11,006 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:18:11,006 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 00:18:11,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:18:11,007 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 00:18:11,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 00:18:11,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:18:11,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 00:18:11,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 00:18:11,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 00:18:11,008 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 00:18:11,008 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 00:18:11,009 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 00:18:11,009 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 00:18:11,009 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:18:11,009 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 00:18:11,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:18:11,010 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 00:18:11,010 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 00:18:11,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 00:18:11,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 00:18:11,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:18:11,011 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 00:18:11,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 00:18:11,012 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 00:18:11,012 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 00:18:11,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 00:18:11,013 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 00:18:11,013 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/bin/uautomizer 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(__VERIFIER_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 -> 356e353e7bb6e96bd959fe4862b56669bada9c19 [2019-11-20 00:18:11,298 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:18:11,310 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:18:11,313 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:18:11,315 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:18:11,315 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:18:11,316 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2019-11-20 00:18:11,375 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/bin/uautomizer/data/9f5fada82/c17c5591d7494e488858cc6253408a2c/FLAG031aea5b9 [2019-11-20 00:18:11,930 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:18:11,931 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2019-11-20 00:18:11,951 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/bin/uautomizer/data/9f5fada82/c17c5591d7494e488858cc6253408a2c/FLAG031aea5b9 [2019-11-20 00:18:12,175 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/bin/uautomizer/data/9f5fada82/c17c5591d7494e488858cc6253408a2c [2019-11-20 00:18:12,177 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:18:12,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 00:18:12,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:18:12,180 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:18:12,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:18:12,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:18:12" (1/1) ... [2019-11-20 00:18:12,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bd1ffa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:12, skipping insertion in model container [2019-11-20 00:18:12,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:18:12" (1/1) ... [2019-11-20 00:18:12,195 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:18:12,256 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:18:12,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:18:12,978 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 00:18:13,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:18:13,421 INFO L192 MainTranslator]: Completed translation [2019-11-20 00:18:13,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:13 WrapperNode [2019-11-20 00:18:13,422 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 00:18:13,423 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 00:18:13,423 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 00:18:13,424 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 00:18:13,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:13" (1/1) ... [2019-11-20 00:18:13,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:13" (1/1) ... [2019-11-20 00:18:13,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 00:18:13,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 00:18:13,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 00:18:13,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 00:18:13,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:13" (1/1) ... [2019-11-20 00:18:13,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:13" (1/1) ... [2019-11-20 00:18:13,548 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:13" (1/1) ... [2019-11-20 00:18:13,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:13" (1/1) ... [2019-11-20 00:18:13,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:13" (1/1) ... [2019-11-20 00:18:13,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:13" (1/1) ... [2019-11-20 00:18:13,575 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:13" (1/1) ... [2019-11-20 00:18:13,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 00:18:13,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 00:18:13,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 00:18:13,587 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 00:18:13,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/bin/uautomizer/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 [2019-11-20 00:18:13,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 00:18:13,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 00:18:14,048 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 00:18:14,048 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-20 00:18:14,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:18:14 BoogieIcfgContainer [2019-11-20 00:18:14,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 00:18:14,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 00:18:14,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 00:18:14,056 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 00:18:14,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:18:12" (1/3) ... [2019-11-20 00:18:14,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6600dc89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:18:14, skipping insertion in model container [2019-11-20 00:18:14,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:18:13" (2/3) ... [2019-11-20 00:18:14,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6600dc89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:18:14, skipping insertion in model container [2019-11-20 00:18:14,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:18:14" (3/3) ... [2019-11-20 00:18:14,061 INFO L109 eAbstractionObserver]: Analyzing ICFG float-no-simp4.i [2019-11-20 00:18:14,070 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 00:18:14,079 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 11 error locations. [2019-11-20 00:18:14,089 INFO L249 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2019-11-20 00:18:14,114 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 00:18:14,115 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 00:18:14,115 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 00:18:14,115 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 00:18:14,115 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 00:18:14,116 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 00:18:14,116 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 00:18:14,116 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 00:18:14,135 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2019-11-20 00:18:14,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-11-20 00:18:14,142 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:18:14,143 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-11-20 00:18:14,144 INFO L410 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]=== [2019-11-20 00:18:14,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:18:14,151 INFO L82 PathProgramCache]: Analyzing trace with hash 30881, now seen corresponding path program 1 times [2019-11-20 00:18:14,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 00:18:14,162 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1545398349] [2019-11-20 00:18:14,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/bin/uautomizer/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 [2019-11-20 00:18:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:18:14,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 00:18:14,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:18:14,624 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 2 [2019-11-20 00:18:14,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:18:14,638 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 00:18:14,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:18:14,654 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1545398349] [2019-11-20 00:18:14,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:18:14,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 3 [2019-11-20 00:18:14,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765650544] [2019-11-20 00:18:14,662 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 00:18:14,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 00:18:14,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 00:18:14,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 00:18:14,681 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 4 states. [2019-11-20 00:18:14,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:18:14,734 INFO L93 Difference]: Finished difference Result 74 states and 93 transitions. [2019-11-20 00:18:14,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 00:18:14,737 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2019-11-20 00:18:14,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:18:14,748 INFO L225 Difference]: With dead ends: 74 [2019-11-20 00:18:14,749 INFO L226 Difference]: Without dead ends: 32 [2019-11-20 00:18:14,754 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 00:18:14,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-11-20 00:18:14,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2019-11-20 00:18:14,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-11-20 00:18:14,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 31 transitions. [2019-11-20 00:18:14,796 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 31 transitions. Word has length 3 [2019-11-20 00:18:14,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:18:14,797 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 31 transitions. [2019-11-20 00:18:14,797 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 00:18:14,797 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 31 transitions. [2019-11-20 00:18:14,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-20 00:18:14,798 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:18:14,798 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:18:15,013 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 00:18:15,014 INFO L410 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]=== [2019-11-20 00:18:15,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:18:15,014 INFO L82 PathProgramCache]: Analyzing trace with hash -1420102837, now seen corresponding path program 1 times [2019-11-20 00:18:15,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 00:18:15,015 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2077678410] [2019-11-20 00:18:15,015 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/bin/uautomizer/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 [2019-11-20 00:18:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:18:15,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 00:18:15,066 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:18:15,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:18:15,093 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 00:18:15,223 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 3 [2019-11-20 00:18:15,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:18:15,229 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2077678410] [2019-11-20 00:18:15,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:18:15,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-20 00:18:15,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420351278] [2019-11-20 00:18:15,232 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 00:18:15,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 00:18:15,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 00:18:15,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 00:18:15,233 INFO L87 Difference]: Start difference. First operand 32 states and 31 transitions. Second operand 4 states. [2019-11-20 00:18:15,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:18:15,249 INFO L93 Difference]: Finished difference Result 32 states and 31 transitions. [2019-11-20 00:18:15,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 00:18:15,251 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-11-20 00:18:15,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:18:15,253 INFO L225 Difference]: With dead ends: 32 [2019-11-20 00:18:15,253 INFO L226 Difference]: Without dead ends: 28 [2019-11-20 00:18:15,254 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 00:18:15,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-11-20 00:18:15,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2019-11-20 00:18:15,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-11-20 00:18:15,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2019-11-20 00:18:15,262 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 7 [2019-11-20 00:18:15,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:18:15,263 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2019-11-20 00:18:15,265 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 00:18:15,265 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2019-11-20 00:18:15,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 00:18:15,267 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:18:15,267 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:18:15,485 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 00:18:15,485 INFO L410 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]=== [2019-11-20 00:18:15,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:18:15,486 INFO L82 PathProgramCache]: Analyzing trace with hash -851686886, now seen corresponding path program 1 times [2019-11-20 00:18:15,487 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 00:18:15,487 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [137606915] [2019-11-20 00:18:15,487 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/bin/uautomizer/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 [2019-11-20 00:18:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:18:15,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 00:18:15,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:18:15,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:18:15,545 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 00:18:15,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:18:15,650 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [137606915] [2019-11-20 00:18:15,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:18:15,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-20 00:18:15,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172720645] [2019-11-20 00:18:15,651 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 00:18:15,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 00:18:15,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 00:18:15,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 00:18:15,652 INFO L87 Difference]: Start difference. First operand 28 states and 27 transitions. Second operand 4 states. [2019-11-20 00:18:15,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:18:15,680 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2019-11-20 00:18:15,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 00:18:15,683 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-11-20 00:18:15,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:18:15,684 INFO L225 Difference]: With dead ends: 28 [2019-11-20 00:18:15,684 INFO L226 Difference]: Without dead ends: 22 [2019-11-20 00:18:15,684 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 00:18:15,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-11-20 00:18:15,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-11-20 00:18:15,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-20 00:18:15,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 21 transitions. [2019-11-20 00:18:15,691 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 21 transitions. Word has length 10 [2019-11-20 00:18:15,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:18:15,693 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 21 transitions. [2019-11-20 00:18:15,693 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 00:18:15,693 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2019-11-20 00:18:15,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 00:18:15,695 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:18:15,696 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:18:15,909 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-20 00:18:15,909 INFO L410 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]=== [2019-11-20 00:18:15,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:18:15,910 INFO L82 PathProgramCache]: Analyzing trace with hash -352118076, now seen corresponding path program 1 times [2019-11-20 00:18:15,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 00:18:15,911 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [88601706] [2019-11-20 00:18:15,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/bin/uautomizer/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 [2019-11-20 00:18:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:18:15,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 00:18:15,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:18:15,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:18:15,995 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 00:18:16,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:18:16,008 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [88601706] [2019-11-20 00:18:16,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:18:16,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-20 00:18:16,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057722349] [2019-11-20 00:18:16,009 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 00:18:16,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 00:18:16,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 00:18:16,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 00:18:16,010 INFO L87 Difference]: Start difference. First operand 22 states and 21 transitions. Second operand 4 states. [2019-11-20 00:18:16,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:18:16,039 INFO L93 Difference]: Finished difference Result 22 states and 21 transitions. [2019-11-20 00:18:16,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 00:18:16,040 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-11-20 00:18:16,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:18:16,040 INFO L225 Difference]: With dead ends: 22 [2019-11-20 00:18:16,041 INFO L226 Difference]: Without dead ends: 18 [2019-11-20 00:18:16,041 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 00:18:16,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-11-20 00:18:16,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-11-20 00:18:16,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-11-20 00:18:16,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2019-11-20 00:18:16,044 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 14 [2019-11-20 00:18:16,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:18:16,048 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2019-11-20 00:18:16,048 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 00:18:16,048 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2019-11-20 00:18:16,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 00:18:16,050 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 00:18:16,050 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:18:16,261 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-20 00:18:16,262 INFO L410 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]=== [2019-11-20 00:18:16,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:18:16,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1635358997, now seen corresponding path program 1 times [2019-11-20 00:18:16,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 00:18:16,263 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2082912938] [2019-11-20 00:18:16,263 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/bin/uautomizer/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 [2019-11-20 00:18:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:18:16,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 00:18:16,326 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 00:18:16,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:18:16,359 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 00:18:16,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:18:16,370 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2082912938] [2019-11-20 00:18:16,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:18:16,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-11-20 00:18:16,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65128805] [2019-11-20 00:18:16,371 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 00:18:16,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 00:18:16,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 00:18:16,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 00:18:16,372 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand 3 states. [2019-11-20 00:18:16,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:18:16,377 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2019-11-20 00:18:16,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 00:18:16,379 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-20 00:18:16,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 00:18:16,380 INFO L225 Difference]: With dead ends: 18 [2019-11-20 00:18:16,380 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 00:18:16,380 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 00:18:16,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 00:18:16,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 00:18:16,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 00:18:16,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 00:18:16,382 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2019-11-20 00:18:16,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 00:18:16,382 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 00:18:16,382 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 00:18:16,382 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 00:18:16,383 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 00:18:16,594 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-11-20 00:18:16,598 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 00:18:16,601 INFO L444 ceAbstractionStarter]: For program point L960(line 960) no Hoare annotation was computed. [2019-11-20 00:18:16,601 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 974) no Hoare annotation was computed. [2019-11-20 00:18:16,601 INFO L444 ceAbstractionStarter]: For program point L960-2(lines 954 991) no Hoare annotation was computed. [2019-11-20 00:18:16,601 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 984) no Hoare annotation was computed. [2019-11-20 00:18:16,602 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 960) no Hoare annotation was computed. [2019-11-20 00:18:16,602 INFO L444 ceAbstractionStarter]: For program point L961(line 961) no Hoare annotation was computed. [2019-11-20 00:18:16,602 INFO L444 ceAbstractionStarter]: For program point L961-2(line 961) no Hoare annotation was computed. [2019-11-20 00:18:16,602 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2019-11-20 00:18:16,602 INFO L444 ceAbstractionStarter]: For program point L990(line 990) no Hoare annotation was computed. [2019-11-20 00:18:16,602 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 00:18:16,602 INFO L444 ceAbstractionStarter]: For program point L990-1(line 990) no Hoare annotation was computed. [2019-11-20 00:18:16,602 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 00:18:16,602 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2019-11-20 00:18:16,603 INFO L444 ceAbstractionStarter]: For program point L953(lines 953 991) no Hoare annotation was computed. [2019-11-20 00:18:16,603 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2019-11-20 00:18:16,603 INFO L444 ceAbstractionStarter]: For program point L974(line 974) no Hoare annotation was computed. [2019-11-20 00:18:16,603 INFO L444 ceAbstractionStarter]: For program point L974-1(line 974) no Hoare annotation was computed. [2019-11-20 00:18:16,603 INFO L444 ceAbstractionStarter]: For program point L974-3(lines 954 991) no Hoare annotation was computed. [2019-11-20 00:18:16,603 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 00:18:16,603 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2019-11-20 00:18:16,603 INFO L444 ceAbstractionStarter]: For program point L983(line 983) no Hoare annotation was computed. [2019-11-20 00:18:16,603 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 967) no Hoare annotation was computed. [2019-11-20 00:18:16,604 INFO L444 ceAbstractionStarter]: For program point L983-1(line 983) no Hoare annotation was computed. [2019-11-20 00:18:16,604 INFO L444 ceAbstractionStarter]: For program point L983-3(lines 954 991) no Hoare annotation was computed. [2019-11-20 00:18:16,604 INFO L444 ceAbstractionStarter]: For program point L975(line 975) no Hoare annotation was computed. [2019-11-20 00:18:16,604 INFO L444 ceAbstractionStarter]: For program point L975-2(lines 954 991) no Hoare annotation was computed. [2019-11-20 00:18:16,604 INFO L444 ceAbstractionStarter]: For program point L967(line 967) no Hoare annotation was computed. [2019-11-20 00:18:16,604 INFO L444 ceAbstractionStarter]: For program point L967-1(line 967) no Hoare annotation was computed. [2019-11-20 00:18:16,605 INFO L444 ceAbstractionStarter]: For program point L967-3(lines 954 991) no Hoare annotation was computed. [2019-11-20 00:18:16,605 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 975) no Hoare annotation was computed. [2019-11-20 00:18:16,605 INFO L444 ceAbstractionStarter]: For program point L959(line 959) no Hoare annotation was computed. [2019-11-20 00:18:16,605 INFO L444 ceAbstractionStarter]: For program point L959-1(line 959) no Hoare annotation was computed. [2019-11-20 00:18:16,605 INFO L444 ceAbstractionStarter]: For program point L959-3(lines 954 991) no Hoare annotation was computed. [2019-11-20 00:18:16,606 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 990) no Hoare annotation was computed. [2019-11-20 00:18:16,606 INFO L444 ceAbstractionStarter]: For program point L984(line 984) no Hoare annotation was computed. [2019-11-20 00:18:16,606 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2019-11-20 00:18:16,606 INFO L444 ceAbstractionStarter]: For program point L984-2(line 984) no Hoare annotation was computed. [2019-11-20 00:18:16,606 INFO L444 ceAbstractionStarter]: For program point L976(line 976) no Hoare annotation was computed. [2019-11-20 00:18:16,607 INFO L444 ceAbstractionStarter]: For program point L976-2(line 976) no Hoare annotation was computed. [2019-11-20 00:18:16,607 INFO L444 ceAbstractionStarter]: For program point L968(line 968) no Hoare annotation was computed. [2019-11-20 00:18:16,607 INFO L444 ceAbstractionStarter]: For program point L968-2(line 968) no Hoare annotation was computed. [2019-11-20 00:18:16,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:18:16 BoogieIcfgContainer [2019-11-20 00:18:16,611 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 00:18:16,611 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 00:18:16,611 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 00:18:16,611 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 00:18:16,612 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:18:14" (3/4) ... [2019-11-20 00:18:16,615 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 00:18:16,627 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-20 00:18:16,628 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 00:18:16,688 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d90ad807-ae2f-481a-94d3-195507c32010/bin/uautomizer/witness.graphml [2019-11-20 00:18:16,688 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 00:18:16,690 INFO L168 Benchmark]: Toolchain (without parser) took 4511.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 955.1 MB in the beginning and 867.5 MB in the end (delta: 87.6 MB). Peak memory consumption was 224.9 MB. Max. memory is 11.5 GB. [2019-11-20 00:18:16,690 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:18:16,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1242.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 955.1 MB in the beginning and 1.0 GB in the end (delta: -68.6 MB). Peak memory consumption was 79.8 MB. Max. memory is 11.5 GB. [2019-11-20 00:18:16,692 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:18:16,692 INFO L168 Benchmark]: Boogie Preprocessor took 63.57 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:18:16,692 INFO L168 Benchmark]: RCFGBuilder took 463.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2019-11-20 00:18:16,693 INFO L168 Benchmark]: TraceAbstraction took 2559.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 874.3 MB in the end (delta: 130.4 MB). Peak memory consumption was 130.4 MB. Max. memory is 11.5 GB. [2019-11-20 00:18:16,694 INFO L168 Benchmark]: Witness Printer took 77.40 ms. Allocated memory is still 1.2 GB. Free memory was 874.3 MB in the beginning and 867.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-20 00:18:16,696 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1242.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 955.1 MB in the beginning and 1.0 GB in the end (delta: -68.6 MB). Peak memory consumption was 79.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.57 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 463.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2559.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 874.3 MB in the end (delta: 130.4 MB). Peak memory consumption was 130.4 MB. Max. memory is 11.5 GB. * Witness Printer took 77.40 ms. Allocated memory is still 1.2 GB. Free memory was 874.3 MB in the beginning and 867.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 960]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 983]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 968]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 976]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 974]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 975]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 990]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 967]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 959]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 961]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 984]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 41 locations, 11 error locations. Result: SAFE, OverallTime: 2.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 104 SDtfs, 100 SDslu, 38 SDs, 0 SdLazy, 15 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 92 GetRequests, 82 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred 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, 5 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, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 1439 SizeOfPredicates, 5 NumberOfNonLiveVariables, 91 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...