./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 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs --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 Taipan --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_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs --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 Taipan --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 0.2.1-dev-5709675 [2021-10-16 02:30:06,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:30:06,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:30:06,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:30:06,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:30:06,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:30:06,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:30:06,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:30:06,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:30:06,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:30:06,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:30:06,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:30:06,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:30:06,614 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:30:06,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:30:06,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:30:06,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:30:06,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:30:06,630 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:30:06,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:30:06,641 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:30:06,643 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:30:06,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:30:06,648 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:30:06,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:30:06,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:30:06,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:30:06,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:30:06,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:30:06,662 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:30:06,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:30:06,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:30:06,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:30:06,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:30:06,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:30:06,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:30:06,671 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:30:06,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:30:06,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:30:06,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:30:06,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:30:06,674 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:30:06,726 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:30:06,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:30:06,728 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:30:06,729 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:30:06,729 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:30:06,729 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:30:06,729 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:30:06,729 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:30:06,736 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:30:06,736 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:30:06,737 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:30:06,738 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:30:06,738 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:30:06,738 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:30:06,738 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:30:06,739 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:30:06,739 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:30:06,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:30:06,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:30:06,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:30:06,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:30:06,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:30:06,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:30:06,741 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:30:06,741 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:30:06,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:30:06,741 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:30:06,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:30:06,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:30:06,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:30:06,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:30:06,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:30:06,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:30:06,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:30:06,745 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:30:06,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:30:06,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:30:06,746 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:30:06,746 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:30:06,746 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5bcea0525b8cac1e62a3127082f1b5d3ffb6fb4 [2021-10-16 02:30:07,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:30:07,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:30:07,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:30:07,092 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:30:07,095 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:30:07,096 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2021-10-16 02:30:07,170 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/data/865e0423d/d93f38902df74dbdb4b5b7f7d205ee37/FLAGa7ec69afe [2021-10-16 02:30:07,748 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:30:07,749 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2021-10-16 02:30:07,767 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/data/865e0423d/d93f38902df74dbdb4b5b7f7d205ee37/FLAGa7ec69afe [2021-10-16 02:30:07,987 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/data/865e0423d/d93f38902df74dbdb4b5b7f7d205ee37 [2021-10-16 02:30:07,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:30:07,991 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:30:07,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:30:07,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:30:07,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:30:07,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:30:07" (1/1) ... [2021-10-16 02:30:07,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c06c6cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:07, skipping insertion in model container [2021-10-16 02:30:07,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:30:07" (1/1) ... [2021-10-16 02:30:08,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:30:08,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:30:08,613 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i[38168,38181] [2021-10-16 02:30:08,620 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: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: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:3218) 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) [2021-10-16 02:30:08,626 INFO L168 Benchmark]: Toolchain (without parser) took 634.05 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 45.9 MB in the beginning and 79.9 MB in the end (delta: -34.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:30:08,627 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 86.0 MB. Free memory is still 64.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:30:08,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 631.54 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 45.6 MB in the beginning and 79.9 MB in the end (delta: -34.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:30:08,630 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 86.0 MB. Free memory is still 64.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 631.54 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 45.6 MB in the beginning and 79.9 MB in the end (delta: -34.2 MB). Peak memory consumption was 6.3 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 0.2.1-dev-5709675 [2021-10-16 02:30:11,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:30:11,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:30:11,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:30:11,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:30:11,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:30:11,079 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:30:11,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:30:11,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:30:11,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:30:11,087 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:30:11,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:30:11,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:30:11,091 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:30:11,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:30:11,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:30:11,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:30:11,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:30:11,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:30:11,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:30:11,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:30:11,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:30:11,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:30:11,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:30:11,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:30:11,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:30:11,114 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:30:11,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:30:11,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:30:11,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:30:11,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:30:11,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:30:11,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:30:11,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:30:11,123 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:30:11,123 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:30:11,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:30:11,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:30:11,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:30:11,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:30:11,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:30:11,142 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:30:11,171 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:30:11,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:30:11,172 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:30:11,172 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:30:11,173 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:30:11,173 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:30:11,173 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:30:11,173 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:30:11,174 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:30:11,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:30:11,175 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:30:11,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:30:11,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:30:11,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:30:11,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:30:11,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:30:11,176 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:30:11,177 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:30:11,177 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:30:11,177 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:30:11,177 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:30:11,178 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:30:11,178 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:30:11,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:30:11,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:30:11,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:30:11,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:30:11,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:30:11,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:30:11,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:30:11,180 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:30:11,180 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:30:11,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:30:11,181 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:30:11,181 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:30:11,181 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_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d5bcea0525b8cac1e62a3127082f1b5d3ffb6fb4 [2021-10-16 02:30:11,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:30:11,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:30:11,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:30:11,656 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:30:11,656 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:30:11,657 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2021-10-16 02:30:11,726 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/data/0da232a3b/be5840d215cc46898532ff344e05f406/FLAG6940d62c9 [2021-10-16 02:30:12,394 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:30:12,395 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2021-10-16 02:30:12,410 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/data/0da232a3b/be5840d215cc46898532ff344e05f406/FLAG6940d62c9 [2021-10-16 02:30:12,623 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/data/0da232a3b/be5840d215cc46898532ff344e05f406 [2021-10-16 02:30:12,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:30:12,633 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:30:12,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:30:12,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:30:12,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:30:12,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:30:12" (1/1) ... [2021-10-16 02:30:12,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25d9cf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:12, skipping insertion in model container [2021-10-16 02:30:12,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:30:12" (1/1) ... [2021-10-16 02:30:12,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:30:12,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:30:13,202 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i[38168,38181] [2021-10-16 02:30:13,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:30:13,233 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:30:13,270 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i[38168,38181] [2021-10-16 02:30:13,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:30:13,425 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:30:13,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:13 WrapperNode [2021-10-16 02:30:13,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:30:13,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:30:13,428 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:30:13,428 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:30:13,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:13" (1/1) ... [2021-10-16 02:30:13,459 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:13" (1/1) ... [2021-10-16 02:30:13,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:30:13,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:30:13,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:30:13,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:30:13,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:13" (1/1) ... [2021-10-16 02:30:13,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:13" (1/1) ... [2021-10-16 02:30:13,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:13" (1/1) ... [2021-10-16 02:30:13,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:13" (1/1) ... [2021-10-16 02:30:13,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:13" (1/1) ... [2021-10-16 02:30:13,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:13" (1/1) ... [2021-10-16 02:30:13,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:13" (1/1) ... [2021-10-16 02:30:13,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:30:13,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:30:13,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:30:13,512 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:30:13,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:13" (1/1) ... [2021-10-16 02:30:13,520 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:30:13,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:30:13,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:30:13,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:30:13,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 02:30:13,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:30:13,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:30:13,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:30:15,845 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:30:15,846 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-16 02:30:15,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:30:15 BoogieIcfgContainer [2021-10-16 02:30:15,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:30:15,850 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:30:15,850 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:30:15,854 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:30:15,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:30:12" (1/3) ... [2021-10-16 02:30:15,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562315b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:30:15, skipping insertion in model container [2021-10-16 02:30:15,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:30:13" (2/3) ... [2021-10-16 02:30:15,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562315b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:30:15, skipping insertion in model container [2021-10-16 02:30:15,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:30:15" (3/3) ... [2021-10-16 02:30:15,858 INFO L111 eAbstractionObserver]: Analyzing ICFG trunc_nondet_2.i [2021-10-16 02:30:15,864 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:30:15,864 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:30:15,915 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:30:15,922 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 [2021-10-16 02:30:15,923 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:30:15,938 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 14 states have internal predecessors, (18), 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) [2021-10-16 02:30:15,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-16 02:30:15,943 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:30:15,944 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:30:15,945 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:30:15,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:30:15,951 INFO L82 PathProgramCache]: Analyzing trace with hash -1236262255, now seen corresponding path program 1 times [2021-10-16 02:30:15,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:30:15,965 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1516527433] [2021-10-16 02:30:15,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:30:15,966 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:30:15,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:30:15,976 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:30:15,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 02:30:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:30:16,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-16 02:30:16,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:30:16,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:30:16,173 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:30:16,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:30:16,216 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:30:16,217 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1516527433] [2021-10-16 02:30:16,217 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1516527433] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:30:16,218 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:30:16,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-16 02:30:16,220 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889567007] [2021-10-16 02:30:16,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 02:30:16,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:30:16,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 02:30:16,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:30:16,251 INFO L87 Difference]: Start difference. First operand has 15 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 14 states have internal predecessors, (18), 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 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-10-16 02:30:16,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:30:16,265 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2021-10-16 02:30:16,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 02:30:16,267 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 [2021-10-16 02:30:16,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:30:16,275 INFO L225 Difference]: With dead ends: 27 [2021-10-16 02:30:16,276 INFO L226 Difference]: Without dead ends: 11 [2021-10-16 02:30:16,278 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:30:16,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-10-16 02:30:16,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-10-16 02:30:16,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.0) internal successors, (10), 10 states have internal predecessors, (10), 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) [2021-10-16 02:30:16,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 10 transitions. [2021-10-16 02:30:16,303 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 10 transitions. Word has length 10 [2021-10-16 02:30:16,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:30:16,303 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 10 transitions. [2021-10-16 02:30:16,304 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-10-16 02:30:16,304 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2021-10-16 02:30:16,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-16 02:30:16,304 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:30:16,304 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-16 02:30:16,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:30:16,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:30:16,509 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:30:16,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:30:16,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1988290997, now seen corresponding path program 1 times [2021-10-16 02:30:16,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:30:16,511 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1870607274] [2021-10-16 02:30:16,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:30:16,512 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:30:16,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:30:16,513 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:30:16,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-16 02:30:18,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:30:18,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-16 02:30:18,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:31:15,421 WARN L838 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~d~0 (_ FloatingPoint 11 53))) (and (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))) (fp.gt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64))))) is different from false [2021-10-16 02:31:17,442 WARN L860 $PredicateComparison]: unable to prove that (exists ((ULTIMATE.start_main_~d~0 (_ FloatingPoint 11 53))) (and (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))) (fp.gt ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) roundNearestTiesToEven (_ bv9223372036854775808 64))))) is different from true [2021-10-16 02:31:17,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:31:17,443 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:32:09,189 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))) (= c_ULTIMATE.start_assume_abort_if_not_~cond (_ bv0 32))) is different from true [2021-10-16 02:32:21,304 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 [2021-10-16 02:32:39,394 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))) (= c_ULTIMATE.start_assume_abort_if_not_~cond (_ bv0 32)) (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 [2021-10-16 02:33:21,264 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~d~0_7 (_ FloatingPoint 11 53))) (or (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.gt v_ULTIMATE.start_main_~d~0_7 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (not (fp.lt v_ULTIMATE.start_main_~d~0_7 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64)))))) is different from false [2021-10-16 02:33:23,299 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~d~0_7 (_ FloatingPoint 11 53))) (or (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.gt v_ULTIMATE.start_main_~d~0_7 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (not (fp.lt v_ULTIMATE.start_main_~d~0_7 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64)))))) is different from true [2021-10-16 02:33:23,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:33:23,300 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:33:23,300 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1870607274] [2021-10-16 02:33:23,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1870607274] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:33:23,301 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:33:23,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 7] imperfect sequences [] total 16 [2021-10-16 02:33:23,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854258108] [2021-10-16 02:33:23,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-16 02:33:23,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:33:23,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-16 02:33:23,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=88, Unknown=21, NotChecked=120, Total=272 [2021-10-16 02:33:23,308 INFO L87 Difference]: Start difference. First operand 11 states and 10 transitions. Second operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 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) [2021-10-16 02:33:27,077 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_ULTIMATE.start_main_~d~0_7 (_ FloatingPoint 11 53))) (or (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.gt v_ULTIMATE.start_main_~d~0_7 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (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 [2021-10-16 02:34:27,484 WARN L207 SmtUtils]: Spent 49.03 s on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2021-10-16 02:35:24,922 WARN L207 SmtUtils]: Spent 43.33 s on a formula simplification. DAG size of input: 29 DAG size of output: 24 [2021-10-16 02:35:29,543 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (= c_ULTIMATE.start_assume_abort_if_not_~cond (_ bv0 32)))) (and (let ((.cse0 (fp.isNaN c_ULTIMATE.start_main_~d~0))) (or (and .cse0 .cse1) (and (not .cse0) (= c_ULTIMATE.start_assume_abort_if_not_~cond (_ bv1 32))))) (not (fp.isInfinite c_ULTIMATE.start_main_~d~0)) (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))) .cse1 (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))))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2021-10-16 02:36:13,738 WARN L207 SmtUtils]: Spent 20.03 s on a formula simplification that was a NOOP. DAG size: 23 [2021-10-16 02:37:04,476 WARN L207 SmtUtils]: Spent 33.00 s on a formula simplification that was a NOOP. DAG size: 32 [2021-10-16 02:38:21,753 WARN L207 SmtUtils]: Spent 1.14 m on a formula simplification. DAG size of input: 37 DAG size of output: 19 [2021-10-16 02:38:35,956 WARN L207 SmtUtils]: Spent 6.86 s on a formula simplification that was a NOOP. DAG size: 26 [2021-10-16 02:38:35,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:38:35,958 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2021-10-16 02:38:35,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-16 02:38:35,958 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 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 [2021-10-16 02:38:35,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:38:35,959 INFO L225 Difference]: With dead ends: 11 [2021-10-16 02:38:35,959 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 02:38:35,963 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 362999.2ms TimeCoverageRelationStatistics Valid=87, Invalid=212, Unknown=35, NotChecked=266, Total=600 [2021-10-16 02:38:35,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 02:38:35,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 02:38:35,965 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) [2021-10-16 02:38:35,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 02:38:35,966 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2021-10-16 02:38:35,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:38:35,967 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 02:38:35,967 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 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) [2021-10-16 02:38:35,967 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 02:38:35,968 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 02:38:35,970 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:38:35,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-16 02:38:36,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:38:36,173 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-16 02:38:36,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:38:36,205 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:38:36,210 INFO L857 garLoopResultBuilder]: For program point L993(lines 993 995) no Hoare annotation was computed. [2021-10-16 02:38:36,210 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-16 02:38:36,211 INFO L857 garLoopResultBuilder]: For program point L993-1(lines 993 995) no Hoare annotation was computed. [2021-10-16 02:38:36,211 INFO L857 garLoopResultBuilder]: For program point L993-2(lines 993 995) no Hoare annotation was computed. [2021-10-16 02:38:36,211 INFO L857 garLoopResultBuilder]: For program point L1008(line 1008) no Hoare annotation was computed. [2021-10-16 02:38:36,211 INFO L857 garLoopResultBuilder]: For program point L1008-1(line 1008) no Hoare annotation was computed. [2021-10-16 02:38:36,224 INFO L860 garLoopResultBuilder]: At program point L1008-3(line 1008) the Hoare annotation is: true [2021-10-16 02:38:36,224 INFO L857 garLoopResultBuilder]: For program point L994(line 994) no Hoare annotation was computed. [2021-10-16 02:38:36,224 INFO L857 garLoopResultBuilder]: For program point L994-2(line 994) no Hoare annotation was computed. [2021-10-16 02:38:36,224 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-16 02:38:36,225 INFO L860 garLoopResultBuilder]: At program point L1023(lines 1012 1024) the Hoare annotation is: true [2021-10-16 02:38:36,225 INFO L857 garLoopResultBuilder]: For program point L994-4(line 994) no Hoare annotation was computed. [2021-10-16 02:38:36,225 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-16 02:38:36,225 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-16 02:38:36,226 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1008) no Hoare annotation was computed. [2021-10-16 02:38:36,232 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:38:36,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:38:36 BoogieIcfgContainer [2021-10-16 02:38:36,239 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:38:36,240 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:38:36,240 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:38:36,240 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:38:36,243 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:30:15" (3/4) ... [2021-10-16 02:38:36,248 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 02:38:36,265 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-10-16 02:38:36,266 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-16 02:38:36,266 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:38:36,266 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:38:36,334 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 02:38:36,334 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:38:36,336 INFO L168 Benchmark]: Toolchain (without parser) took 503701.75 ms. Allocated memory was 58.7 MB in the beginning and 92.3 MB in the end (delta: 33.6 MB). Free memory was 35.7 MB in the beginning and 56.5 MB in the end (delta: -20.8 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:38:36,336 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 58.7 MB. Free memory is still 39.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:38:36,340 INFO L168 Benchmark]: CACSL2BoogieTranslator took 789.66 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 35.4 MB in the beginning and 40.9 MB in the end (delta: -5.6 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. [2021-10-16 02:38:36,343 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.08 ms. Allocated memory is still 75.5 MB. Free memory was 40.9 MB in the beginning and 38.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:38:36,343 INFO L168 Benchmark]: Boogie Preprocessor took 26.69 ms. Allocated memory is still 75.5 MB. Free memory was 38.5 MB in the beginning and 37.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:38:36,344 INFO L168 Benchmark]: RCFGBuilder took 2336.84 ms. Allocated memory is still 75.5 MB. Free memory was 37.0 MB in the beginning and 50.0 MB in the end (delta: -13.0 MB). Peak memory consumption was 2.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:38:36,344 INFO L168 Benchmark]: TraceAbstraction took 500388.70 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 49.6 MB in the beginning and 59.3 MB in the end (delta: -9.7 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2021-10-16 02:38:36,345 INFO L168 Benchmark]: Witness Printer took 94.67 ms. Allocated memory is still 92.3 MB. Free memory was 59.3 MB in the beginning and 56.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-16 02:38:36,351 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 58.7 MB. Free memory is still 39.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 789.66 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 35.4 MB in the beginning and 40.9 MB in the end (delta: -5.6 MB). Peak memory consumption was 16.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.08 ms. Allocated memory is still 75.5 MB. Free memory was 40.9 MB in the beginning and 38.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.69 ms. Allocated memory is still 75.5 MB. Free memory was 38.5 MB in the beginning and 37.3 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2336.84 ms. Allocated memory is still 75.5 MB. Free memory was 37.0 MB in the beginning and 50.0 MB in the end (delta: -13.0 MB). Peak memory consumption was 2.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 500388.70 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 49.6 MB in the beginning and 59.3 MB in the end (delta: -9.7 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * Witness Printer took 94.67 ms. Allocated memory is still 92.3 MB. Free memory was 59.3 MB in the beginning and 56.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1008]: 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, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 500318.4ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 10.6ms, AutomataDifference: 312707.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 38.0ms, InitialAbstractionConstructionTime: 10.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 15 SDtfs, 4 SDslu, 2 SDs, 0 SdLazy, 30 SolverSat, 3 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 11322.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 7 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 362999.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 11.7ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 31.0ms HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 1.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 23.7ms SsaConstructionTime, 2008.5ms SatisfiabilityAnalysisTime, 184909.2ms InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 36 ConstructedInterpolants, 3 QuantifiedInterpolants, 339 SizeOfPredicates, 11 NumberOfNonLiveVariables, 66 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 - 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 RESULT: Ultimate proved your program to be correct! [2021-10-16 02:38:36,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3249d139-8605-42e5-8921-e3fb9be60a52/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...