./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 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cbmc-regression/float-no-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 ../sv-benchmarks/c/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 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 06:38:59,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 06:38:59,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 06:38:59,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 06:38:59,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 06:38:59,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 06:38:59,506 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 06:38:59,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 06:38:59,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 06:38:59,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 06:38:59,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 06:38:59,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 06:38:59,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 06:38:59,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 06:38:59,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 06:38:59,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 06:38:59,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 06:38:59,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 06:38:59,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 06:38:59,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 06:38:59,541 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 06:38:59,542 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 06:38:59,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 06:38:59,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 06:38:59,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 06:38:59,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 06:38:59,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 06:38:59,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 06:38:59,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 06:38:59,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 06:38:59,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 06:38:59,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 06:38:59,566 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 06:38:59,567 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 06:38:59,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 06:38:59,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 06:38:59,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 06:38:59,568 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 06:38:59,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 06:38:59,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 06:38:59,570 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 06:38:59,574 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 06:38:59,602 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 06:38:59,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 06:38:59,604 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 06:38:59,604 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 06:38:59,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 06:38:59,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 06:38:59,606 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 06:38:59,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 06:38:59,607 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 06:38:59,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 06:38:59,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 06:38:59,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 06:38:59,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 06:38:59,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 06:38:59,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 06:38:59,609 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 06:38:59,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 06:38:59,609 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 06:38:59,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 06:38:59,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 06:38:59,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 06:38:59,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 06:38:59,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 06:38:59,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 06:38:59,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 06:38:59,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 06:38:59,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 06:38:59,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 06:38:59,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 06:38:59,611 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 06:38:59,612 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c5678568630a4199d94fed33c5301bef19d60be [2021-08-29 06:38:59,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 06:38:59,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 06:39:00,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 06:39:00,001 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 06:39:00,005 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 06:39:00,006 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2021-08-29 06:39:00,076 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b13c3d5e/2aac5e04eb164b95b32a0c19c0ddf54b/FLAGd5cefcf77 [2021-08-29 06:39:00,568 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 06:39:00,568 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2021-08-29 06:39:00,593 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b13c3d5e/2aac5e04eb164b95b32a0c19c0ddf54b/FLAGd5cefcf77 [2021-08-29 06:39:01,089 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b13c3d5e/2aac5e04eb164b95b32a0c19c0ddf54b [2021-08-29 06:39:01,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 06:39:01,093 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 06:39:01,103 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 06:39:01,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 06:39:01,109 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 06:39:01,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:39:01" (1/1) ... [2021-08-29 06:39:01,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c90f9f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:39:01, skipping insertion in model container [2021-08-29 06:39:01,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:39:01" (1/1) ... [2021-08-29 06:39:01,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 06:39:01,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 06:39:01,637 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.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1694) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1408) 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:1087) 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:2349) 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:712) 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:2349) 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:1415) 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:1359) 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:1052) 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:1430) 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:3219) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2299) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) 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:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) 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) [2021-08-29 06:39:01,640 INFO L158 Benchmark]: Toolchain (without parser) took 546.87ms. Allocated memory is still 60.8MB. Free memory was 37.4MB in the beginning and 43.0MB in the end (delta: -5.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-08-29 06:39:01,641 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 60.8MB. Free memory was 41.7MB in the beginning and 41.7MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 06:39:01,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 535.74ms. Allocated memory is still 60.8MB. Free memory was 37.2MB in the beginning and 43.0MB in the end (delta: -5.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-08-29 06:39:01,642 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 60.8MB. Free memory was 41.7MB in the beginning and 41.7MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 535.74ms. Allocated memory is still 60.8MB. Free memory was 37.2MB in the beginning and 43.0MB in the end (delta: -5.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * 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 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 06:39:03,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 06:39:03,255 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 06:39:03,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 06:39:03,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 06:39:03,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 06:39:03,285 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 06:39:03,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 06:39:03,291 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 06:39:03,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 06:39:03,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 06:39:03,298 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 06:39:03,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 06:39:03,302 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 06:39:03,303 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 06:39:03,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 06:39:03,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 06:39:03,310 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 06:39:03,312 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 06:39:03,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 06:39:03,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 06:39:03,321 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 06:39:03,322 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 06:39:03,323 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 06:39:03,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 06:39:03,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 06:39:03,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 06:39:03,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 06:39:03,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 06:39:03,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 06:39:03,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 06:39:03,333 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 06:39:03,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 06:39:03,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 06:39:03,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 06:39:03,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 06:39:03,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 06:39:03,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 06:39:03,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 06:39:03,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 06:39:03,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 06:39:03,345 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-08-29 06:39:03,373 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 06:39:03,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 06:39:03,374 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 06:39:03,374 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 06:39:03,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 06:39:03,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 06:39:03,376 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 06:39:03,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 06:39:03,376 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 06:39:03,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 06:39:03,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 06:39:03,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 06:39:03,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 06:39:03,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 06:39:03,378 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-29 06:39:03,378 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-29 06:39:03,379 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 06:39:03,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 06:39:03,379 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 06:39:03,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 06:39:03,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 06:39:03,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 06:39:03,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 06:39:03,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 06:39:03,392 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 06:39:03,392 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 06:39:03,392 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 06:39:03,392 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-29 06:39:03,392 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-29 06:39:03,393 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 06:39:03,393 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 06:39:03,393 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-29 06:39:03,394 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c5678568630a4199d94fed33c5301bef19d60be [2021-08-29 06:39:03,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 06:39:03,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 06:39:03,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 06:39:03,751 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 06:39:03,752 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 06:39:03,753 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2021-08-29 06:39:03,815 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf4aa4619/36e35a59d05346ecb6a1e1040f09f8bd/FLAG47ff8d595 [2021-08-29 06:39:04,366 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 06:39:04,366 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i [2021-08-29 06:39:04,379 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf4aa4619/36e35a59d05346ecb6a1e1040f09f8bd/FLAG47ff8d595 [2021-08-29 06:39:04,659 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf4aa4619/36e35a59d05346ecb6a1e1040f09f8bd [2021-08-29 06:39:04,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 06:39:04,662 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 06:39:04,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 06:39:04,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 06:39:04,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 06:39:04,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:39:04" (1/1) ... [2021-08-29 06:39:04,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bea0b5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:39:04, skipping insertion in model container [2021-08-29 06:39:04,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 06:39:04" (1/1) ... [2021-08-29 06:39:04,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 06:39:04,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 06:39:05,145 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41149,41162] [2021-08-29 06:39:05,150 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41296,41309] [2021-08-29 06:39:05,152 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41445,41458] [2021-08-29 06:39:05,156 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41846,41859] [2021-08-29 06:39:05,158 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41993,42006] [2021-08-29 06:39:05,164 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42394,42407] [2021-08-29 06:39:05,168 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42541,42554] [2021-08-29 06:39:05,169 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42582,42595] [2021-08-29 06:39:05,172 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42965,42978] [2021-08-29 06:39:05,173 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[43112,43125] [2021-08-29 06:39:05,184 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[43610,43623] [2021-08-29 06:39:05,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 06:39:05,201 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 06:39:05,227 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41149,41162] [2021-08-29 06:39:05,228 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41296,41309] [2021-08-29 06:39:05,229 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41445,41458] [2021-08-29 06:39:05,231 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41846,41859] [2021-08-29 06:39:05,231 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[41993,42006] [2021-08-29 06:39:05,233 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42394,42407] [2021-08-29 06:39:05,234 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42541,42554] [2021-08-29 06:39:05,235 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42582,42595] [2021-08-29 06:39:05,236 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[42965,42978] [2021-08-29 06:39:05,237 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[43112,43125] [2021-08-29 06:39:05,239 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float-no-simp4.i[43610,43623] [2021-08-29 06:39:05,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 06:39:05,336 INFO L208 MainTranslator]: Completed translation [2021-08-29 06:39:05,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:39:05 WrapperNode [2021-08-29 06:39:05,337 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 06:39:05,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 06:39:05,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 06:39:05,338 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 06:39:05,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:39:05" (1/1) ... [2021-08-29 06:39:05,364 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:39:05" (1/1) ... [2021-08-29 06:39:05,386 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 06:39:05,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 06:39:05,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 06:39:05,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 06:39:05,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:39:05" (1/1) ... [2021-08-29 06:39:05,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:39:05" (1/1) ... [2021-08-29 06:39:05,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:39:05" (1/1) ... [2021-08-29 06:39:05,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:39:05" (1/1) ... [2021-08-29 06:39:05,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:39:05" (1/1) ... [2021-08-29 06:39:05,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:39:05" (1/1) ... [2021-08-29 06:39:05,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:39:05" (1/1) ... [2021-08-29 06:39:05,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 06:39:05,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 06:39:05,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 06:39:05,412 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 06:39:05,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:39:05" (1/1) ... [2021-08-29 06:39:05,421 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 06:39:05,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 06:39:05,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-29 06:39:05,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-29 06:39:05,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-08-29 06:39:05,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 06:39:05,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 06:39:05,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 06:39:05,657 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 06:39:05,658 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-08-29 06:39:05,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:39:05 BoogieIcfgContainer [2021-08-29 06:39:05,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 06:39:05,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 06:39:05,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 06:39:05,664 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 06:39:05,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 06:39:04" (1/3) ... [2021-08-29 06:39:05,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa810f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:39:05, skipping insertion in model container [2021-08-29 06:39:05,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 06:39:05" (2/3) ... [2021-08-29 06:39:05,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa810f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 06:39:05, skipping insertion in model container [2021-08-29 06:39:05,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:39:05" (3/3) ... [2021-08-29 06:39:05,669 INFO L111 eAbstractionObserver]: Analyzing ICFG float-no-simp4.i [2021-08-29 06:39:05,674 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 06:39:05,675 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2021-08-29 06:39:05,728 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 06:39:05,736 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-29 06:39:05,737 INFO L340 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2021-08-29 06:39:05,750 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 35 states have (on average 1.7714285714285714) internal successors, (62), 46 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 06:39:05,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-08-29 06:39:05,763 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 06:39:05,764 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-08-29 06:39:05,764 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-08-29 06:39:05,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 06:39:05,770 INFO L82 PathProgramCache]: Analyzing trace with hash 28693891, now seen corresponding path program 1 times [2021-08-29 06:39:05,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-29 06:39:05,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [298878612] [2021-08-29 06:39:05,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 06:39:05,786 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-29 06:39:05,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-29 06:39:05,789 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-29 06:39:05,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-08-29 06:39:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 06:39:05,896 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 1 conjunts are in the unsatisfiable core [2021-08-29 06:39:05,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 06:39:05,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 06:39:05,947 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 06:39:05,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 06:39:05,961 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-29 06:39:05,962 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [298878612] [2021-08-29 06:39:05,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [298878612] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-29 06:39:05,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-29 06:39:05,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-08-29 06:39:05,964 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583678307] [2021-08-29 06:39:05,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-29 06:39:05,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-29 06:39:06,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-29 06:39:06,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 06:39:06,013 INFO L87 Difference]: Start difference. First operand has 47 states, 35 states have (on average 1.7714285714285714) internal successors, (62), 46 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 06:39:06,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 06:39:06,128 INFO L93 Difference]: Finished difference Result 91 states and 120 transitions. [2021-08-29 06:39:06,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-29 06:39:06,131 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-08-29 06:39:06,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 06:39:06,138 INFO L225 Difference]: With dead ends: 91 [2021-08-29 06:39:06,138 INFO L226 Difference]: Without dead ends: 44 [2021-08-29 06:39:06,141 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.07ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-29 06:39:06,147 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.48ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 81.94ms IncrementalHoareTripleChecker+Time [2021-08-29 06:39:06,149 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 46 Unknown, 0 Unchecked, 0.48ms Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 81.94ms Time] [2021-08-29 06:39:06,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-08-29 06:39:06,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2021-08-29 06:39:06,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 33 states have (on average 1.303030303030303) internal successors, (43), 43 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 06:39:06,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 43 transitions. [2021-08-29 06:39:06,177 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 43 transitions. Word has length 5 [2021-08-29 06:39:06,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 06:39:06,178 INFO L470 AbstractCegarLoop]: Abstraction has 44 states and 43 transitions. [2021-08-29 06:39:06,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 06:39:06,178 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 43 transitions. [2021-08-29 06:39:06,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-08-29 06:39:06,178 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 06:39:06,179 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-08-29 06:39:06,190 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-08-29 06:39:06,385 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-29 06:39:06,386 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-08-29 06:39:06,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 06:39:06,387 INFO L82 PathProgramCache]: Analyzing trace with hash 28695813, now seen corresponding path program 1 times [2021-08-29 06:39:06,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-29 06:39:06,387 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1003712160] [2021-08-29 06:39:06,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 06:39:06,388 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-29 06:39:06,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-29 06:39:06,390 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-29 06:39:06,396 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-08-29 06:39:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 06:39:06,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-29 06:39:06,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 06:39:06,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 06:39:06,900 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 06:39:07,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 06:39:07,030 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-29 06:39:07,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1003712160] [2021-08-29 06:39:07,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1003712160] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-29 06:39:07,031 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-29 06:39:07,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-08-29 06:39:07,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24552448] [2021-08-29 06:39:07,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 06:39:07,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-29 06:39:07,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 06:39:07,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-08-29 06:39:07,040 INFO L87 Difference]: Start difference. First operand 44 states and 43 transitions. Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 06:39:07,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 06:39:07,300 INFO L93 Difference]: Finished difference Result 44 states and 43 transitions. [2021-08-29 06:39:07,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 06:39:07,301 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-08-29 06:39:07,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 06:39:07,301 INFO L225 Difference]: With dead ends: 44 [2021-08-29 06:39:07,301 INFO L226 Difference]: Without dead ends: 38 [2021-08-29 06:39:07,302 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 46.97ms TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-08-29 06:39:07,303 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 72 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 210.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.84ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 229.63ms IncrementalHoareTripleChecker+Time [2021-08-29 06:39:07,303 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [72 Valid, 0 Invalid, 74 Unknown, 0 Unchecked, 1.84ms Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 229.63ms Time] [2021-08-29 06:39:07,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-08-29 06:39:07,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-08-29 06:39:07,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 37 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 06:39:07,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 37 transitions. [2021-08-29 06:39:07,307 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 37 transitions. Word has length 5 [2021-08-29 06:39:07,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 06:39:07,307 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 37 transitions. [2021-08-29 06:39:07,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 06:39:07,307 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 37 transitions. [2021-08-29 06:39:07,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-08-29 06:39:07,308 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 06:39:07,308 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 06:39:07,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-08-29 06:39:07,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-29 06:39:07,509 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-08-29 06:39:07,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 06:39:07,509 INFO L82 PathProgramCache]: Analyzing trace with hash -686348615, now seen corresponding path program 1 times [2021-08-29 06:39:07,510 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-29 06:39:07,510 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [388192744] [2021-08-29 06:39:07,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 06:39:07,510 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-29 06:39:07,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-29 06:39:07,511 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-29 06:39:07,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-08-29 06:39:07,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 06:39:07,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-29 06:39:07,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 06:39:07,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 06:39:07,598 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 06:39:07,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 06:39:07,676 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-29 06:39:07,676 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [388192744] [2021-08-29 06:39:07,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [388192744] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-29 06:39:07,677 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-29 06:39:07,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-08-29 06:39:07,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688927439] [2021-08-29 06:39:07,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 06:39:07,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-29 06:39:07,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 06:39:07,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-08-29 06:39:07,679 INFO L87 Difference]: Start difference. First operand 38 states and 37 transitions. Second operand has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 06:39:08,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 06:39:08,371 INFO L93 Difference]: Finished difference Result 38 states and 37 transitions. [2021-08-29 06:39:08,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 06:39:08,372 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-08-29 06:39:08,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 06:39:08,372 INFO L225 Difference]: With dead ends: 38 [2021-08-29 06:39:08,372 INFO L226 Difference]: Without dead ends: 34 [2021-08-29 06:39:08,373 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 43.05ms TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-08-29 06:39:08,374 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 54 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 630.14ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.17ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 669.48ms IncrementalHoareTripleChecker+Time [2021-08-29 06:39:08,374 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 0 Invalid, 70 Unknown, 0 Unchecked, 1.17ms Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 669.48ms Time] [2021-08-29 06:39:08,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-08-29 06:39:08,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-08-29 06:39:08,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 33 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 06:39:08,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 33 transitions. [2021-08-29 06:39:08,378 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 33 transitions. Word has length 10 [2021-08-29 06:39:08,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 06:39:08,378 INFO L470 AbstractCegarLoop]: Abstraction has 34 states and 33 transitions. [2021-08-29 06:39:08,378 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 06:39:08,379 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 33 transitions. [2021-08-29 06:39:08,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-08-29 06:39:08,379 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 06:39:08,379 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 06:39:08,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-08-29 06:39:08,582 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-29 06:39:08,582 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-08-29 06:39:08,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 06:39:08,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1664358106, now seen corresponding path program 1 times [2021-08-29 06:39:08,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-29 06:39:08,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1634234858] [2021-08-29 06:39:08,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 06:39:08,584 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-29 06:39:08,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-29 06:39:08,585 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-29 06:39:08,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-08-29 06:39:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 06:39:08,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-29 06:39:08,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 06:39:08,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 06:39:08,915 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 06:39:09,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 06:39:09,174 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-29 06:39:09,177 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1634234858] [2021-08-29 06:39:09,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1634234858] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-29 06:39:09,178 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-29 06:39:09,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-08-29 06:39:09,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615719393] [2021-08-29 06:39:09,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 06:39:09,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-29 06:39:09,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 06:39:09,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-08-29 06:39:09,180 INFO L87 Difference]: Start difference. First operand 34 states and 33 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 06:39:09,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 06:39:09,752 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2021-08-29 06:39:09,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 06:39:09,752 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-08-29 06:39:09,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 06:39:09,753 INFO L225 Difference]: With dead ends: 34 [2021-08-29 06:39:09,753 INFO L226 Difference]: Without dead ends: 28 [2021-08-29 06:39:09,753 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 45.11ms TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-08-29 06:39:09,754 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 30 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 524.15ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.17ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 545.71ms IncrementalHoareTripleChecker+Time [2021-08-29 06:39:09,754 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 0 Invalid, 64 Unknown, 0 Unchecked, 1.17ms Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 545.71ms Time] [2021-08-29 06:39:09,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2021-08-29 06:39:09,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2021-08-29 06:39:09,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 25 states have (on average 1.08) internal successors, (27), 27 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 06:39:09,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 27 transitions. [2021-08-29 06:39:09,757 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 27 transitions. Word has length 14 [2021-08-29 06:39:09,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 06:39:09,758 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 27 transitions. [2021-08-29 06:39:09,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 06:39:09,758 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 27 transitions. [2021-08-29 06:39:09,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-08-29 06:39:09,758 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 06:39:09,759 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 06:39:09,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-08-29 06:39:09,959 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-29 06:39:09,959 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-08-29 06:39:09,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 06:39:09,960 INFO L82 PathProgramCache]: Analyzing trace with hash 1867176430, now seen corresponding path program 1 times [2021-08-29 06:39:09,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-29 06:39:09,960 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1285508879] [2021-08-29 06:39:09,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 06:39:09,961 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-29 06:39:09,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-29 06:39:09,962 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-29 06:39:09,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-08-29 06:39:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 06:39:10,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-29 06:39:10,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 06:39:10,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 06:39:10,127 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 06:39:10,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 06:39:10,185 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-29 06:39:10,185 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1285508879] [2021-08-29 06:39:10,186 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1285508879] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-29 06:39:10,186 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-29 06:39:10,186 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-08-29 06:39:10,186 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023963412] [2021-08-29 06:39:10,187 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-29 06:39:10,187 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-29 06:39:10,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-29 06:39:10,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-08-29 06:39:10,188 INFO L87 Difference]: Start difference. First operand 28 states and 27 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 06:39:10,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 06:39:10,331 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2021-08-29 06:39:10,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-29 06:39:10,332 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-08-29 06:39:10,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 06:39:10,332 INFO L225 Difference]: With dead ends: 28 [2021-08-29 06:39:10,332 INFO L226 Difference]: Without dead ends: 24 [2021-08-29 06:39:10,333 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 84.61ms TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-08-29 06:39:10,333 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 18 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 89.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.57ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 100.45ms IncrementalHoareTripleChecker+Time [2021-08-29 06:39:10,334 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [18 Valid, 0 Invalid, 60 Unknown, 0 Unchecked, 0.57ms Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 100.45ms Time] [2021-08-29 06:39:10,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-08-29 06:39:10,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2021-08-29 06:39:10,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 23 states have (on average 1.0) internal successors, (23), 23 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 06:39:10,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 23 transitions. [2021-08-29 06:39:10,336 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 23 transitions. Word has length 19 [2021-08-29 06:39:10,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 06:39:10,336 INFO L470 AbstractCegarLoop]: Abstraction has 24 states and 23 transitions. [2021-08-29 06:39:10,336 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 06:39:10,337 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 23 transitions. [2021-08-29 06:39:10,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-08-29 06:39:10,337 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 06:39:10,337 INFO L513 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] [2021-08-29 06:39:10,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-08-29 06:39:10,547 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-29 06:39:10,547 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2021-08-29 06:39:10,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 06:39:10,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1057859749, now seen corresponding path program 1 times [2021-08-29 06:39:10,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-29 06:39:10,548 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1217105516] [2021-08-29 06:39:10,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 06:39:10,548 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-29 06:39:10,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-29 06:39:10,549 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-29 06:39:10,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-08-29 06:39:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 06:39:10,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-29 06:39:10,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 06:39:10,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 06:39:10,693 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 06:39:10,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 06:39:10,751 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-29 06:39:10,751 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1217105516] [2021-08-29 06:39:10,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1217105516] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-29 06:39:10,751 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-29 06:39:10,751 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-08-29 06:39:10,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432028203] [2021-08-29 06:39:10,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-29 06:39:10,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-29 06:39:10,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-29 06:39:10,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 06:39:10,756 INFO L87 Difference]: Start difference. First operand 24 states and 23 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 06:39:10,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 06:39:10,990 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2021-08-29 06:39:10,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 06:39:10,990 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2021-08-29 06:39:10,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 06:39:10,991 INFO L225 Difference]: With dead ends: 24 [2021-08-29 06:39:10,991 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 06:39:10,991 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 54.90ms TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-08-29 06:39:10,992 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 1 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 196.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.09ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 208.84ms IncrementalHoareTripleChecker+Time [2021-08-29 06:39:10,992 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [1 Valid, 0 Invalid, 79 Unknown, 0 Unchecked, 1.09ms Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 208.84ms Time] [2021-08-29 06:39:10,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 06:39:10,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 06:39:10,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 06:39:10,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 06:39:10,993 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2021-08-29 06:39:10,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 06:39:10,993 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 06:39:10,993 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 06:39:10,993 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 06:39:10,993 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 06:39:10,995 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 11 remaining) [2021-08-29 06:39:10,996 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (9 of 11 remaining) [2021-08-29 06:39:10,996 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (8 of 11 remaining) [2021-08-29 06:39:10,996 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (7 of 11 remaining) [2021-08-29 06:39:10,996 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (6 of 11 remaining) [2021-08-29 06:39:10,996 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (5 of 11 remaining) [2021-08-29 06:39:10,996 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (4 of 11 remaining) [2021-08-29 06:39:10,996 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION (3 of 11 remaining) [2021-08-29 06:39:10,996 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION (2 of 11 remaining) [2021-08-29 06:39:10,996 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION (1 of 11 remaining) [2021-08-29 06:39:10,996 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION (0 of 11 remaining) [2021-08-29 06:39:11,012 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-08-29 06:39:11,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-29 06:39:11,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 06:39:11,202 INFO L858 garLoopResultBuilder]: For program point L2-1(line 981) no Hoare annotation was computed. [2021-08-29 06:39:11,202 INFO L858 garLoopResultBuilder]: For program point L2-2(line 988) no Hoare annotation was computed. [2021-08-29 06:39:11,202 INFO L858 garLoopResultBuilder]: For program point L2-3(line 997) no Hoare annotation was computed. [2021-08-29 06:39:11,202 INFO L858 garLoopResultBuilder]: For program point L2-4(line 1004) no Hoare annotation was computed. [2021-08-29 06:39:11,202 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION(line 998) no Hoare annotation was computed. [2021-08-29 06:39:11,203 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 974) no Hoare annotation was computed. [2021-08-29 06:39:11,203 INFO L858 garLoopResultBuilder]: For program point L3(line 3) no Hoare annotation was computed. [2021-08-29 06:39:11,203 INFO L858 garLoopResultBuilder]: For program point L3-2(line 3) no Hoare annotation was computed. [2021-08-29 06:39:11,203 INFO L858 garLoopResultBuilder]: For program point L3-4(line 3) no Hoare annotation was computed. [2021-08-29 06:39:11,203 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 982) no Hoare annotation was computed. [2021-08-29 06:39:11,203 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 06:39:11,204 INFO L858 garLoopResultBuilder]: For program point L3-6(line 3) no Hoare annotation was computed. [2021-08-29 06:39:11,204 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 06:39:11,204 INFO L858 garLoopResultBuilder]: For program point L3-8(line 3) no Hoare annotation was computed. [2021-08-29 06:39:11,204 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 981) no Hoare annotation was computed. [2021-08-29 06:39:11,204 INFO L858 garLoopResultBuilder]: For program point L1004(line 1004) no Hoare annotation was computed. [2021-08-29 06:39:11,204 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION(line 989) no Hoare annotation was computed. [2021-08-29 06:39:11,204 INFO L858 garLoopResultBuilder]: For program point L988(line 988) no Hoare annotation was computed. [2021-08-29 06:39:11,205 INFO L858 garLoopResultBuilder]: For program point L988-2(lines 968 1005) no Hoare annotation was computed. [2021-08-29 06:39:11,205 INFO L858 garLoopResultBuilder]: For program point L997(line 997) no Hoare annotation was computed. [2021-08-29 06:39:11,205 INFO L858 garLoopResultBuilder]: For program point L997-2(lines 968 1005) no Hoare annotation was computed. [2021-08-29 06:39:11,205 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION(line 988) no Hoare annotation was computed. [2021-08-29 06:39:11,205 INFO L858 garLoopResultBuilder]: For program point L989(line 989) no Hoare annotation was computed. [2021-08-29 06:39:11,205 INFO L858 garLoopResultBuilder]: For program point L989-2(lines 968 1005) no Hoare annotation was computed. [2021-08-29 06:39:11,205 INFO L858 garLoopResultBuilder]: For program point L981(line 981) no Hoare annotation was computed. [2021-08-29 06:39:11,206 INFO L858 garLoopResultBuilder]: For program point L981-2(lines 968 1005) no Hoare annotation was computed. [2021-08-29 06:39:11,206 INFO L858 garLoopResultBuilder]: For program point L973(line 973) no Hoare annotation was computed. [2021-08-29 06:39:11,206 INFO L858 garLoopResultBuilder]: For program point L973-2(lines 968 1005) no Hoare annotation was computed. [2021-08-29 06:39:11,206 INFO L858 garLoopResultBuilder]: For program point L998(line 998) no Hoare annotation was computed. [2021-08-29 06:39:11,206 INFO L858 garLoopResultBuilder]: For program point L998-2(line 998) no Hoare annotation was computed. [2021-08-29 06:39:11,206 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 06:39:11,206 INFO L858 garLoopResultBuilder]: For program point L990(line 990) no Hoare annotation was computed. [2021-08-29 06:39:11,207 INFO L858 garLoopResultBuilder]: For program point L990-2(line 990) no Hoare annotation was computed. [2021-08-29 06:39:11,207 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION(line 997) no Hoare annotation was computed. [2021-08-29 06:39:11,207 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 973) no Hoare annotation was computed. [2021-08-29 06:39:11,207 INFO L858 garLoopResultBuilder]: For program point L982(line 982) no Hoare annotation was computed. [2021-08-29 06:39:11,207 INFO L858 garLoopResultBuilder]: For program point L982-2(line 982) no Hoare annotation was computed. [2021-08-29 06:39:11,207 INFO L858 garLoopResultBuilder]: For program point L974(line 974) no Hoare annotation was computed. [2021-08-29 06:39:11,207 INFO L858 garLoopResultBuilder]: For program point L974-2(lines 968 1005) no Hoare annotation was computed. [2021-08-29 06:39:11,208 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 06:39:11,208 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION(line 990) no Hoare annotation was computed. [2021-08-29 06:39:11,208 INFO L858 garLoopResultBuilder]: For program point L975(line 975) no Hoare annotation was computed. [2021-08-29 06:39:11,208 INFO L858 garLoopResultBuilder]: For program point L975-2(line 975) no Hoare annotation was computed. [2021-08-29 06:39:11,208 INFO L858 garLoopResultBuilder]: For program point L967(lines 967 1005) no Hoare annotation was computed. [2021-08-29 06:39:11,208 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION(line 1004) no Hoare annotation was computed. [2021-08-29 06:39:11,209 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 975) no Hoare annotation was computed. [2021-08-29 06:39:11,209 INFO L858 garLoopResultBuilder]: For program point L2(line 973) no Hoare annotation was computed. [2021-08-29 06:39:11,213 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 06:39:11,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 06:39:11 BoogieIcfgContainer [2021-08-29 06:39:11,235 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 06:39:11,235 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 06:39:11,235 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 06:39:11,235 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 06:39:11,236 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 06:39:05" (3/4) ... [2021-08-29 06:39:11,238 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 06:39:11,247 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-08-29 06:39:11,248 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-29 06:39:11,248 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 06:39:11,248 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 06:39:11,279 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 06:39:11,279 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 06:39:11,280 INFO L158 Benchmark]: Toolchain (without parser) took 6617.99ms. Allocated memory was 71.3MB in the beginning and 125.8MB in the end (delta: 54.5MB). Free memory was 54.2MB in the beginning and 70.0MB in the end (delta: -15.9MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2021-08-29 06:39:11,280 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 71.3MB. Free memory is still 53.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 06:39:11,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 670.02ms. Allocated memory is still 71.3MB. Free memory was 54.0MB in the beginning and 40.6MB in the end (delta: 13.4MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2021-08-29 06:39:11,280 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.08ms. Allocated memory is still 71.3MB. Free memory was 40.6MB in the beginning and 37.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 06:39:11,281 INFO L158 Benchmark]: Boogie Preprocessor took 24.10ms. Allocated memory is still 71.3MB. Free memory was 37.9MB in the beginning and 36.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-29 06:39:11,281 INFO L158 Benchmark]: RCFGBuilder took 248.85ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 36.4MB in the beginning and 64.6MB in the end (delta: -28.2MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2021-08-29 06:39:11,281 INFO L158 Benchmark]: TraceAbstraction took 5572.97ms. Allocated memory was 86.0MB in the beginning and 125.8MB in the end (delta: 39.8MB). Free memory was 64.1MB in the beginning and 74.2MB in the end (delta: -10.1MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2021-08-29 06:39:11,282 INFO L158 Benchmark]: Witness Printer took 43.89ms. Allocated memory is still 125.8MB. Free memory was 74.2MB in the beginning and 70.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-29 06:39:11,283 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 71.3MB. Free memory is still 53.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 670.02ms. Allocated memory is still 71.3MB. Free memory was 54.0MB in the beginning and 40.6MB in the end (delta: 13.4MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.08ms. Allocated memory is still 71.3MB. Free memory was 40.6MB in the beginning and 37.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.10ms. Allocated memory is still 71.3MB. Free memory was 37.9MB in the beginning and 36.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 248.85ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 36.4MB in the beginning and 64.6MB in the end (delta: -28.2MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * TraceAbstraction took 5572.97ms. Allocated memory was 86.0MB in the beginning and 125.8MB in the end (delta: 39.8MB). Free memory was 64.1MB in the beginning and 74.2MB in the end (delta: -10.1MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * Witness Printer took 43.89ms. Allocated memory is still 125.8MB. Free memory was 74.2MB in the beginning and 70.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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: 974]: 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: 981]: 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: 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: 990]: 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: 998]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 47 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 5487.05ms, OverallIterations: 6, TraceHistogramMax: 1, EmptinessCheckTime: 18.48ms, AutomataDifference: 2104.84ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 3.51ms, InitialAbstractionConstructionTime: 9.77ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 175 SdHoareTripleChecker+Valid, 1836.04ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 175 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 1718.02ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 132 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 385 IncrementalHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 0 mSDtfsCounter, 385 mSolverCounterSat, 6.33ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 145 GetRequests, 120 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 274.71ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 24.87ms AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.00ms HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.00ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 40.03ms SsaConstructionTime, 126.42ms SatisfiabilityAnalysisTime, 1682.10ms InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 290 SizeOfPredicates, 13 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 - AllSpecificationsHoldResult: All specifications hold 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-08-29 06:39:11,332 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...