./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/bin/uautomizer --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 d5bcea0525b8cac1e62a3127082f1b5d3ffb6fb4 ....................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/bin/uautomizer --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 d5bcea0525b8cac1e62a3127082f1b5d3ffb6fb4 ................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 23:12:37,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:12:37,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:12:37,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:12:37,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:12:37,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:12:37,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:12:37,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:12:37,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:12:37,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:12:37,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:12:37,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:12:37,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:12:37,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:12:37,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:12:37,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:12:37,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:12:37,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:12:37,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:12:37,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:12:37,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:12:37,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:12:37,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:12:37,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:12:37,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:12:37,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:12:37,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:12:37,735 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:12:37,736 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:12:37,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:12:37,737 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:12:37,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:12:37,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:12:37,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:12:37,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:12:37,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:12:37,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:12:37,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:12:37,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:12:37,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:12:37,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:12:37,747 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 23:12:37,772 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:12:37,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:12:37,773 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:12:37,774 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:12:37,774 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:12:37,775 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:12:37,775 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:12:37,775 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:12:37,775 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:12:37,776 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:12:37,776 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:12:37,776 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:12:37,776 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:12:37,776 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:12:37,777 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:12:37,777 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:12:37,777 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:12:37,777 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:12:37,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:12:37,778 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:12:37,778 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:12:37,778 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:12:37,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:12:37,779 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:12:37,779 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:12:37,779 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:12:37,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 23:12:37,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:12:37,780 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:12:37,780 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:/tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5bcea0525b8cac1e62a3127082f1b5d3ffb6fb4 [2020-11-29 23:12:38,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:12:38,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:12:38,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:12:38,122 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:12:38,123 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:12:38,124 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/bin/uautomizer/../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2020-11-29 23:12:38,202 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/bin/uautomizer/data/b075dadb8/b107ff63f8734f50a540303eebe4db4c/FLAG91bf2205e [2020-11-29 23:12:38,781 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:12:38,781 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2020-11-29 23:12:38,806 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/bin/uautomizer/data/b075dadb8/b107ff63f8734f50a540303eebe4db4c/FLAG91bf2205e [2020-11-29 23:12:39,036 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/bin/uautomizer/data/b075dadb8/b107ff63f8734f50a540303eebe4db4c [2020-11-29 23:12:39,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:12:39,040 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:12:39,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:12:39,042 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:12:39,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:12:39,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:12:39" (1/1) ... [2020-11-29 23:12:39,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b1a8599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:12:39, skipping insertion in model container [2020-11-29 23:12:39,058 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:12:39" (1/1) ... [2020-11-29 23:12:39,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:12:39,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:12:39,617 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf 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:1690) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) 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:1080) 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:2342) 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:2342) 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: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:1352) 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:1045) 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:1423) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) 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) [2020-11-29 23:12:39,623 INFO L168 Benchmark]: Toolchain (without parser) took 581.76 ms. Allocated memory is still 123.7 MB. Free memory was 101.2 MB in the beginning and 98.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:12:39,624 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 123.7 MB. Free memory is still 80.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:12:39,626 INFO L168 Benchmark]: CACSL2BoogieTranslator took 579.44 ms. Allocated memory is still 123.7 MB. Free memory was 101.2 MB in the beginning and 98.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:12:39,628 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 123.7 MB. Free memory is still 80.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 579.44 ms. Allocated memory is still 123.7 MB. Free memory was 101.2 MB in the beginning and 98.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf: 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 0.2.0-a4ecdab [2020-11-29 23:12:42,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:12:42,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:12:42,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:12:42,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:12:42,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:12:42,290 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:12:42,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:12:42,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:12:42,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:12:42,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:12:42,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:12:42,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:12:42,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:12:42,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:12:42,326 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:12:42,327 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:12:42,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:12:42,335 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:12:42,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:12:42,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:12:42,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:12:42,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:12:42,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:12:42,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:12:42,358 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:12:42,358 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:12:42,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:12:42,360 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:12:42,361 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:12:42,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:12:42,362 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:12:42,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:12:42,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:12:42,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:12:42,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:12:42,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:12:42,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:12:42,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:12:42,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:12:42,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:12:42,376 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 23:12:42,422 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:12:42,422 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:12:42,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:12:42,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:12:42,426 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:12:42,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:12:42,427 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:12:42,427 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:12:42,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:12:42,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 23:12:42,429 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 23:12:42,429 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 23:12:42,429 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 23:12:42,429 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 23:12:42,430 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:12:42,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:12:42,430 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:12:42,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 23:12:42,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:12:42,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:12:42,431 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 23:12:42,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 23:12:42,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:12:42,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:12:42,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 23:12:42,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 23:12:42,433 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 23:12:42,433 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 23:12:42,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 23:12:42,434 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:12:42,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 23:12:42,434 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:/tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5bcea0525b8cac1e62a3127082f1b5d3ffb6fb4 [2020-11-29 23:12:42,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:12:42,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:12:42,861 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:12:42,864 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:12:42,865 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:12:42,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/bin/uautomizer/../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2020-11-29 23:12:42,949 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/bin/uautomizer/data/295bbd0f1/e9c20877a681468aae0c0161a7574305/FLAG29ac339fc [2020-11-29 23:12:43,589 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:12:43,590 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2020-11-29 23:12:43,611 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/bin/uautomizer/data/295bbd0f1/e9c20877a681468aae0c0161a7574305/FLAG29ac339fc [2020-11-29 23:12:43,878 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/bin/uautomizer/data/295bbd0f1/e9c20877a681468aae0c0161a7574305 [2020-11-29 23:12:43,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:12:43,885 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:12:43,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:12:43,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:12:43,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:12:43,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:12:43" (1/1) ... [2020-11-29 23:12:43,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ac90662 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:12:43, skipping insertion in model container [2020-11-29 23:12:43,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:12:43" (1/1) ... [2020-11-29 23:12:43,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:12:44,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:12:44,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:12:44,858 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:12:44,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:12:45,423 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:12:45,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:12:45 WrapperNode [2020-11-29 23:12:45,424 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:12:45,425 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:12:45,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:12:45,427 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:12:45,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:12:45" (1/1) ... [2020-11-29 23:12:45,469 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:12:45" (1/1) ... [2020-11-29 23:12:45,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:12:45,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:12:45,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:12:45,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:12:45,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:12:45" (1/1) ... [2020-11-29 23:12:45,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:12:45" (1/1) ... [2020-11-29 23:12:45,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:12:45" (1/1) ... [2020-11-29 23:12:45,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:12:45" (1/1) ... [2020-11-29 23:12:45,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:12:45" (1/1) ... [2020-11-29 23:12:45,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:12:45" (1/1) ... [2020-11-29 23:12:45,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:12:45" (1/1) ... [2020-11-29 23:12:45,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:12:45,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:12:45,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:12:45,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:12:45,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:12:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 23:12:45,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 23:12:45,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:12:45,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:12:45,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:12:46,930 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:12:46,931 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-11-29 23:12:46,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:12:46 BoogieIcfgContainer [2020-11-29 23:12:46,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:12:46,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 23:12:46,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 23:12:46,938 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 23:12:46,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 11:12:43" (1/3) ... [2020-11-29 23:12:46,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc21a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:12:46, skipping insertion in model container [2020-11-29 23:12:46,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:12:45" (2/3) ... [2020-11-29 23:12:46,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fc21a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 11:12:46, skipping insertion in model container [2020-11-29 23:12:46,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:12:46" (3/3) ... [2020-11-29 23:12:46,942 INFO L111 eAbstractionObserver]: Analyzing ICFG trunc_nondet_2.i [2020-11-29 23:12:46,953 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 23:12:46,957 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 23:12:46,969 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 23:12:46,999 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 23:12:46,999 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 23:12:47,000 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 23:12:47,000 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:12:47,000 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:12:47,000 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 23:12:47,000 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:12:47,000 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 23:12:47,011 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-11-29 23:12:47,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 23:12:47,016 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:12:47,016 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:12:47,017 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:12:47,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:12:47,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1657914994, now seen corresponding path program 1 times [2020-11-29 23:12:47,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 23:12:47,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2048022102] [2020-11-29 23:12:47,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-29 23:12:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:12:47,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-29 23:12:47,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:12:47,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:12:47,188 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 23:12:47,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:12:47,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2048022102] [2020-11-29 23:12:47,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:12:47,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 23:12:47,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474420501] [2020-11-29 23:12:47,197 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 23:12:47,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 23:12:47,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 23:12:47,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 23:12:47,212 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2020-11-29 23:12:47,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:12:47,224 INFO L93 Difference]: Finished difference Result 32 states and 39 transitions. [2020-11-29 23:12:47,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 23:12:47,225 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-11-29 23:12:47,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:12:47,231 INFO L225 Difference]: With dead ends: 32 [2020-11-29 23:12:47,231 INFO L226 Difference]: Without dead ends: 13 [2020-11-29 23:12:47,233 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 23:12:47,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-11-29 23:12:47,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-11-29 23:12:47,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-11-29 23:12:47,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2020-11-29 23:12:47,263 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 12 [2020-11-29 23:12:47,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:12:47,263 INFO L481 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2020-11-29 23:12:47,263 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 23:12:47,263 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2020-11-29 23:12:47,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 23:12:47,264 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 23:12:47,264 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 23:12:47,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 23:12:47,485 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 23:12:47,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:12:47,487 INFO L82 PathProgramCache]: Analyzing trace with hash 512799660, now seen corresponding path program 1 times [2020-11-29 23:12:47,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 23:12:47,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1794645718] [2020-11-29 23:12:47,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-29 23:12:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:12:49,911 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 14 conjunts are in the unsatisfiable core [2020-11-29 23:12:49,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 23:12:50,015 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 23:12:50,100 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 23:12:50,260 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-29 23:12:50,375 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-29 23:13:08,192 WARN L193 SmtUtils]: Spent 10.85 s on a formula simplification that was a NOOP. DAG size: 24 [2020-11-29 23:13:14,306 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~d~0 (_ FloatingPoint 11 53))) (and (fp.gt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64))) (not (fp.eq (fp.roundToIntegral roundTowardZero ULTIMATE.start_main_~d~0) ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero ULTIMATE.start_main_~d~0)))) (fp.lt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775807 64))))) is different from false [2020-11-29 23:13:16,341 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~d~0 (_ FloatingPoint 11 53))) (and (fp.gt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64))) (not (fp.eq (fp.roundToIntegral roundTowardZero ULTIMATE.start_main_~d~0) ((_ to_fp 11 53) roundNearestTiesToEven ((_ fp.to_sbv 64) roundTowardZero ULTIMATE.start_main_~d~0)))) (fp.lt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775807 64))))) is different from true [2020-11-29 23:13:24,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:13:24,516 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 23:13:46,149 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 7 [2020-11-29 23:14:10,479 WARN L193 SmtUtils]: Spent 5.58 s on a formula simplification that was a NOOP. DAG size: 11 [2020-11-29 23:14:10,490 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:14:13,259 WARN L860 $PredicateComparison]: unable to prove that (or (fp.eq (fp.roundToIntegral roundTowardZero c_ULTIMATE.start_main_~d~0) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero c_ULTIMATE.start_main_~d~0))) (not (fp.gt c_ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (not (fp.lt c_ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64))))) is different from true [2020-11-29 23:14:16,589 WARN L860 $PredicateComparison]: unable to prove that (or (fp.eq (fp.roundToIntegral roundTowardZero c_ULTIMATE.start_main_~d~0) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero c_ULTIMATE.start_main_~d~0))) (not (fp.gt c_ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (= (_ bv0 32) c_ULTIMATE.start_assume_abort_if_not_~cond) (not (fp.lt c_ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64))))) is different from true [2020-11-29 23:14:16,594 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:14:19,173 WARN L860 $PredicateComparison]: unable to prove that (or (fp.eq (fp.roundToIntegral roundTowardZero c_ULTIMATE.start_main_~d~0) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero c_ULTIMATE.start_main_~d~0))) (fp.isNaN c_ULTIMATE.start_main_~d~0) (not (fp.gt c_ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (not (fp.lt c_ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64))))) is different from true [2020-11-29 23:14:21,939 WARN L860 $PredicateComparison]: unable to prove that (or (fp.eq (fp.roundToIntegral roundTowardZero c_ULTIMATE.start_main_~d~0) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero c_ULTIMATE.start_main_~d~0))) (fp.isNaN c_ULTIMATE.start_main_~d~0) (not (fp.gt c_ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (= (_ bv0 32) c_ULTIMATE.start_assume_abort_if_not_~cond) (not (fp.lt c_ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64))))) is different from true [2020-11-29 23:14:21,958 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-11-29 23:14:21,958 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-29 23:14:24,023 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~d~0_7 (_ FloatingPoint 11 53))) (or (not (fp.gt v_ULTIMATE.start_main_~d~0_7 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (fp.isNaN v_ULTIMATE.start_main_~d~0_7) (fp.isInfinite v_ULTIMATE.start_main_~d~0_7) (fp.eq (fp.roundToIntegral roundTowardZero v_ULTIMATE.start_main_~d~0_7) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero v_ULTIMATE.start_main_~d~0_7))) (not (fp.lt v_ULTIMATE.start_main_~d~0_7 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64)))))) is different from false [2020-11-29 23:14:26,065 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~d~0_7 (_ FloatingPoint 11 53))) (or (not (fp.gt v_ULTIMATE.start_main_~d~0_7 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (fp.isNaN v_ULTIMATE.start_main_~d~0_7) (fp.isInfinite v_ULTIMATE.start_main_~d~0_7) (fp.eq (fp.roundToIntegral roundTowardZero v_ULTIMATE.start_main_~d~0_7) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero v_ULTIMATE.start_main_~d~0_7))) (not (fp.lt v_ULTIMATE.start_main_~d~0_7 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64)))))) is different from true [2020-11-29 23:14:26,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:14:26,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1794645718] [2020-11-29 23:14:26,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:14:26,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 18 [2020-11-29 23:14:26,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858861942] [2020-11-29 23:14:26,070 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-29 23:14:26,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 23:14:26,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-29 23:14:26,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=117, Unknown=15, NotChecked=162, Total=342 [2020-11-29 23:14:26,072 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand 19 states. [2020-11-29 23:14:30,609 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~d~0_7 (_ FloatingPoint 11 53))) (or (not (fp.gt v_ULTIMATE.start_main_~d~0_7 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (fp.isNaN v_ULTIMATE.start_main_~d~0_7) (fp.isInfinite v_ULTIMATE.start_main_~d~0_7) (fp.eq (fp.roundToIntegral roundTowardZero v_ULTIMATE.start_main_~d~0_7) ((_ to_fp 11 53) c_currentRoundingMode ((_ fp.to_sbv 64) roundTowardZero v_ULTIMATE.start_main_~d~0_7))) (not (fp.lt v_ULTIMATE.start_main_~d~0_7 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2020-11-29 23:15:18,444 WARN L193 SmtUtils]: Spent 37.32 s on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2020-11-29 23:16:00,735 WARN L193 SmtUtils]: Spent 31.27 s on a formula simplification. DAG size of input: 30 DAG size of output: 24 [2020-11-29 23:16:52,393 WARN L193 SmtUtils]: Spent 38.92 s on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2020-11-29 23:17:41,573 WARN L193 SmtUtils]: Spent 37.55 s on a formula simplification. DAG size of input: 34 DAG size of output: 26 [2020-11-29 23:18:15,592 WARN L193 SmtUtils]: Spent 22.38 s on a formula simplification that was a NOOP. DAG size: 32 [2020-11-29 23:18:59,551 WARN L193 SmtUtils]: Spent 40.70 s on a formula simplification. DAG size of input: 37 DAG size of output: 20 [2020-11-29 23:20:14,142 WARN L193 SmtUtils]: Spent 1.20 m on a formula simplification. DAG size of input: 54 DAG size of output: 25 [2020-11-29 23:20:14,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:20:14,144 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2020-11-29 23:20:14,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-29 23:20:14,144 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 12 [2020-11-29 23:20:14,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 23:20:14,145 INFO L225 Difference]: With dead ends: 13 [2020-11-29 23:20:14,145 INFO L226 Difference]: Without dead ends: 0 [2020-11-29 23:20:14,147 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 415.1s TimeCoverageRelationStatistics Valid=117, Invalid=271, Unknown=20, NotChecked=294, Total=702 [2020-11-29 23:20:14,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-29 23:20:14,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-29 23:20:14,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-29 23:20:14,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-29 23:20:14,148 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2020-11-29 23:20:14,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 23:20:14,148 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 23:20:14,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-29 23:20:14,149 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-29 23:20:14,149 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 23:20:14,349 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 23:20:14,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-29 23:20:14,392 INFO L274 CegarLoopResult]: For program point L993(lines 993 995) no Hoare annotation was computed. [2020-11-29 23:20:14,392 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-29 23:20:14,392 INFO L274 CegarLoopResult]: For program point L993-1(lines 993 995) no Hoare annotation was computed. [2020-11-29 23:20:14,392 INFO L274 CegarLoopResult]: For program point L993-2(lines 993 995) no Hoare annotation was computed. [2020-11-29 23:20:14,392 INFO L274 CegarLoopResult]: For program point L1008(line 1008) no Hoare annotation was computed. [2020-11-29 23:20:14,393 INFO L274 CegarLoopResult]: For program point L1008-1(line 1008) no Hoare annotation was computed. [2020-11-29 23:20:14,393 INFO L277 CegarLoopResult]: At program point L1008-3(line 1008) the Hoare annotation is: true [2020-11-29 23:20:14,393 INFO L274 CegarLoopResult]: For program point L994(line 994) no Hoare annotation was computed. [2020-11-29 23:20:14,393 INFO L274 CegarLoopResult]: For program point L994-2(line 994) no Hoare annotation was computed. [2020-11-29 23:20:14,393 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-29 23:20:14,394 INFO L277 CegarLoopResult]: At program point L1023(lines 1012 1024) the Hoare annotation is: true [2020-11-29 23:20:14,394 INFO L274 CegarLoopResult]: For program point L994-4(line 994) no Hoare annotation was computed. [2020-11-29 23:20:14,394 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-29 23:20:14,394 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-29 23:20:14,394 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1007) no Hoare annotation was computed. [2020-11-29 23:20:14,394 INFO L274 CegarLoopResult]: For program point L1007(line 1007) no Hoare annotation was computed. [2020-11-29 23:20:14,394 INFO L274 CegarLoopResult]: For program point L1007-2(line 1007) no Hoare annotation was computed. [2020-11-29 23:20:14,395 INFO L274 CegarLoopResult]: For program point L1007-3(line 1007) no Hoare annotation was computed. [2020-11-29 23:20:14,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 11:20:14 BoogieIcfgContainer [2020-11-29 23:20:14,404 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 23:20:14,405 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:20:14,406 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:20:14,406 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:20:14,407 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:12:46" (3/4) ... [2020-11-29 23:20:14,411 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 23:20:14,424 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2020-11-29 23:20:14,425 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-11-29 23:20:14,425 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:20:14,425 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-29 23:20:14,482 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cb232143-9715-4302-adac-46e2e92178ef/bin/uautomizer/witness.graphml [2020-11-29 23:20:14,482 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:20:14,484 INFO L168 Benchmark]: Toolchain (without parser) took 450598.75 ms. Allocated memory was 48.2 MB in the beginning and 77.6 MB in the end (delta: 29.4 MB). Free memory was 22.0 MB in the beginning and 27.0 MB in the end (delta: -5.0 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:20:14,485 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 48.2 MB. Free memory was 30.2 MB in the beginning and 30.2 MB in the end (delta: 37.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:20:14,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1516.22 ms. Allocated memory was 48.2 MB in the beginning and 77.6 MB in the end (delta: 29.4 MB). Free memory was 32.6 MB in the beginning and 39.1 MB in the end (delta: -6.5 MB). Peak memory consumption was 37.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:20:14,487 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.46 ms. Allocated memory is still 77.6 MB. Free memory was 39.1 MB in the beginning and 36.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:20:14,488 INFO L168 Benchmark]: Boogie Preprocessor took 28.96 ms. Allocated memory is still 77.6 MB. Free memory was 36.3 MB in the beginning and 34.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:20:14,488 INFO L168 Benchmark]: RCFGBuilder took 1401.66 ms. Allocated memory is still 77.6 MB. Free memory was 34.9 MB in the beginning and 53.1 MB in the end (delta: -18.2 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2020-11-29 23:20:14,489 INFO L168 Benchmark]: TraceAbstraction took 447469.75 ms. Allocated memory is still 77.6 MB. Free memory was 52.4 MB in the beginning and 29.8 MB in the end (delta: 22.5 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. [2020-11-29 23:20:14,490 INFO L168 Benchmark]: Witness Printer took 77.10 ms. Allocated memory is still 77.6 MB. Free memory was 29.8 MB in the beginning and 27.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:20:14,494 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 48.2 MB. Free memory was 30.2 MB in the beginning and 30.2 MB in the end (delta: 37.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1516.22 ms. Allocated memory was 48.2 MB in the beginning and 77.6 MB in the end (delta: 29.4 MB). Free memory was 32.6 MB in the beginning and 39.1 MB in the end (delta: -6.5 MB). Peak memory consumption was 37.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.46 ms. Allocated memory is still 77.6 MB. Free memory was 39.1 MB in the beginning and 36.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.96 ms. Allocated memory is still 77.6 MB. Free memory was 36.3 MB in the beginning and 34.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1401.66 ms. Allocated memory is still 77.6 MB. Free memory was 34.9 MB in the beginning and 53.1 MB in the end (delta: -18.2 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 447469.75 ms. Allocated memory is still 77.6 MB. Free memory was 52.4 MB in the beginning and 29.8 MB in the end (delta: 22.5 MB). Peak memory consumption was 21.9 MB. Max. memory is 16.1 GB. * Witness Printer took 77.10 ms. Allocated memory is still 77.6 MB. Free memory was 29.8 MB in the beginning and 27.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1007]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1008]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1012]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 447.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 348.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 17 SDtfs, 12 SDslu, 2 SDs, 0 SdLazy, 42 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 415.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 96.2s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 44 ConstructedInterpolants, 5 QuantifiedInterpolants, 4279 SizeOfPredicates, 11 NumberOfNonLiveVariables, 70 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...