./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/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_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG --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 6d32fef716001294d7d912ccc05f2e65cb12efff669d55080d4e7181fa8f42dc .................................................................................................................................................................................. 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_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/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_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG --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 6d32fef716001294d7d912ccc05f2e65cb12efff669d55080d4e7181fa8f42dc .................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:12:32,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:12:32,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:12:32,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:12:32,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:12:32,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:12:32,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:12:32,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:12:32,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:12:32,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:12:32,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:12:32,491 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:12:32,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:12:32,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:12:32,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:12:32,502 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:12:32,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:12:32,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:12:32,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:12:32,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:12:32,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:12:32,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:12:32,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:12:32,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:12:32,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:12:32,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:12:32,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:12:32,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:12:32,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:12:32,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:12:32,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:12:32,543 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:12:32,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:12:32,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:12:32,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:12:32,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:12:32,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:12:32,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:12:32,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:12:32,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:12:32,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:12:32,555 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:12:32,619 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:12:32,619 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:12:32,621 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:12:32,622 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:12:32,622 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:12:32,622 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:12:32,622 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:12:32,623 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:12:32,630 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:12:32,631 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:12:32,631 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:12:32,631 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:12:32,632 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:12:32,632 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:12:32,632 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:12:32,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:12:32,633 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:12:32,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:12:32,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:12:32,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:12:32,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:12:32,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:12:32,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:12:32,635 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:12:32,636 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:12:32,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:12:32,636 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:12:32,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:12:32,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:12:32,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:12:32,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:12:32,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:12:32,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:12:32,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:12:32,638 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:12:32,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:12:32,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:12:32,639 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:12:32,639 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:12:32,640 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_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d32fef716001294d7d912ccc05f2e65cb12efff669d55080d4e7181fa8f42dc [2021-10-29 05:12:32,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:12:32,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:12:32,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:12:33,000 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:12:33,001 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:12:33,003 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2021-10-29 05:12:33,103 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/data/c603d1dcc/f007abdb79054bfa881817b687886ea7/FLAG138906887 [2021-10-29 05:12:33,791 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:12:33,792 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2021-10-29 05:12:33,822 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/data/c603d1dcc/f007abdb79054bfa881817b687886ea7/FLAG138906887 [2021-10-29 05:12:34,023 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/data/c603d1dcc/f007abdb79054bfa881817b687886ea7 [2021-10-29 05:12:34,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:12:34,031 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:12:34,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:12:34,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:12:34,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:12:34,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:12:34" (1/1) ... [2021-10-29 05:12:34,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7305ea2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:34, skipping insertion in model container [2021-10-29 05:12:34,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:12:34" (1/1) ... [2021-10-29 05:12:34,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:12:34,109 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:12:34,775 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_6bd73d61-8d2a-4bed-a317-0750ac1435b6/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i[38168,38181] [2021-10-29 05:12:34,782 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:1414) 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:2355) 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:2355) 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:1421) 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:1365) 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:1436) 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:3224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2305) 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) [2021-10-29 05:12:34,790 INFO L168 Benchmark]: Toolchain (without parser) took 757.89 ms. Allocated memory was 98.6 MB in the beginning and 127.9 MB in the end (delta: 29.4 MB). Free memory was 62.3 MB in the beginning and 98.3 MB in the end (delta: -36.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:12:34,791 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 98.6 MB. Free memory is still 53.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:12:34,792 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.91 ms. Allocated memory was 98.6 MB in the beginning and 127.9 MB in the end (delta: 29.4 MB). Free memory was 62.1 MB in the beginning and 98.3 MB in the end (delta: -36.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:12:34,795 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 98.6 MB. Free memory is still 53.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 753.91 ms. Allocated memory was 98.6 MB in the beginning and 127.9 MB in the end (delta: 29.4 MB). Free memory was 62.1 MB in the beginning and 98.3 MB in the end (delta: -36.2 MB). Peak memory consumption was 8.4 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-b2eff8b [2021-10-29 05:12:37,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:12:37,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:12:37,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:12:37,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:12:37,622 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:12:37,624 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:12:37,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:12:37,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:12:37,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:12:37,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:12:37,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:12:37,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:12:37,652 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:12:37,655 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:12:37,660 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:12:37,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:12:37,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:12:37,667 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:12:37,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:12:37,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:12:37,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:12:37,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:12:37,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:12:37,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:12:37,704 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:12:37,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:12:37,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:12:37,708 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:12:37,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:12:37,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:12:37,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:12:37,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:12:37,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:12:37,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:12:37,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:12:37,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:12:37,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:12:37,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:12:37,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:12:37,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:12:37,725 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-29 05:12:37,779 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:12:37,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:12:37,781 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:12:37,781 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:12:37,782 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:12:37,782 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:12:37,782 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:12:37,782 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:12:37,783 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:12:37,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:12:37,786 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:12:37,786 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:12:37,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:12:37,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:12:37,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:12:37,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:12:37,787 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:12:37,787 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-29 05:12:37,788 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-29 05:12:37,788 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:12:37,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:12:37,788 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:12:37,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:12:37,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:12:37,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 05:12:37,789 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:12:37,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:12:37,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:12:37,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:12:37,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:12:37,791 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-29 05:12:37,791 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-29 05:12:37,791 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:12:37,791 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:12:37,792 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:12:37,792 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_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d32fef716001294d7d912ccc05f2e65cb12efff669d55080d4e7181fa8f42dc [2021-10-29 05:12:38,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:12:38,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:12:38,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:12:38,355 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:12:38,356 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:12:38,358 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2021-10-29 05:12:38,451 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/data/359b9a46a/7144fe807eb246f8bae7d2bcb3d8d53a/FLAGab174d48c [2021-10-29 05:12:39,264 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:12:39,264 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i [2021-10-29 05:12:39,280 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/data/359b9a46a/7144fe807eb246f8bae7d2bcb3d8d53a/FLAGab174d48c [2021-10-29 05:12:39,488 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/data/359b9a46a/7144fe807eb246f8bae7d2bcb3d8d53a [2021-10-29 05:12:39,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:12:39,495 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:12:39,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:12:39,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:12:39,504 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:12:39,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:12:39" (1/1) ... [2021-10-29 05:12:39,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3991ed2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:39, skipping insertion in model container [2021-10-29 05:12:39,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:12:39" (1/1) ... [2021-10-29 05:12:39,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:12:39,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:12:40,279 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_6bd73d61-8d2a-4bed-a317-0750ac1435b6/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i[38168,38181] [2021-10-29 05:12:40,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:12:40,313 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:12:40,372 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_6bd73d61-8d2a-4bed-a317-0750ac1435b6/sv-benchmarks/c/floats-esbmc-regression/trunc_nondet_2.i[38168,38181] [2021-10-29 05:12:40,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:12:40,646 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:12:40,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:40 WrapperNode [2021-10-29 05:12:40,647 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:12:40,648 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:12:40,649 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:12:40,649 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:12:40,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:40" (1/1) ... [2021-10-29 05:12:40,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:40" (1/1) ... [2021-10-29 05:12:40,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:12:40,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:12:40,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:12:40,764 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:12:40,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:40" (1/1) ... [2021-10-29 05:12:40,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:40" (1/1) ... [2021-10-29 05:12:40,780 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:40" (1/1) ... [2021-10-29 05:12:40,782 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:40" (1/1) ... [2021-10-29 05:12:40,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:40" (1/1) ... [2021-10-29 05:12:40,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:40" (1/1) ... [2021-10-29 05:12:40,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:40" (1/1) ... [2021-10-29 05:12:40,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:12:40,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:12:40,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:12:40,832 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:12:40,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:40" (1/1) ... [2021-10-29 05:12:40,842 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:12:40,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:12:40,877 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:12:40,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:12:40,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-29 05:12:40,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:12:40,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:12:40,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:12:43,363 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:12:43,364 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-29 05:12:43,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:12:43 BoogieIcfgContainer [2021-10-29 05:12:43,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:12:43,369 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:12:43,369 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:12:43,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:12:43,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:12:39" (1/3) ... [2021-10-29 05:12:43,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fde0514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:12:43, skipping insertion in model container [2021-10-29 05:12:43,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:12:40" (2/3) ... [2021-10-29 05:12:43,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fde0514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:12:43, skipping insertion in model container [2021-10-29 05:12:43,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:12:43" (3/3) ... [2021-10-29 05:12:43,387 INFO L111 eAbstractionObserver]: Analyzing ICFG trunc_nondet_2.i [2021-10-29 05:12:43,393 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:12:43,394 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-29 05:12:43,456 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:12:43,464 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, mAutomataTypeConcurrency=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 [2021-10-29 05:12:43,464 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-29 05:12:43,481 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) [2021-10-29 05:12:43,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 05:12:43,486 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:12:43,487 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:12:43,488 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:12:43,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:12:43,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1236262255, now seen corresponding path program 1 times [2021-10-29 05:12:43,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:12:43,523 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [303162047] [2021-10-29 05:12:43,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:12:43,526 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:12:43,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:12:43,534 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:12:43,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-29 05:12:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:12:43,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-29 05:12:43,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:12:43,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:12:43,870 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:12:43,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:12:43,969 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:12:43,969 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [303162047] [2021-10-29 05:12:43,970 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [303162047] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:12:43,970 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:12:43,970 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-29 05:12:43,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200601973] [2021-10-29 05:12:43,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 05:12:43,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:12:44,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 05:12:44,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:12:44,006 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) [2021-10-29 05:12:44,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:12:44,025 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2021-10-29 05:12:44,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 05:12:44,027 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 [2021-10-29 05:12:44,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:12:44,039 INFO L225 Difference]: With dead ends: 27 [2021-10-29 05:12:44,039 INFO L226 Difference]: Without dead ends: 11 [2021-10-29 05:12:44,042 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 05:12:44,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2021-10-29 05:12:44,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-10-29 05:12:44,076 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) [2021-10-29 05:12:44,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 10 transitions. [2021-10-29 05:12:44,079 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 10 transitions. Word has length 10 [2021-10-29 05:12:44,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:12:44,080 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 10 transitions. [2021-10-29 05:12:44,080 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) [2021-10-29 05:12:44,080 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2021-10-29 05:12:44,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 05:12:44,081 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:12:44,082 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:12:44,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-29 05:12:44,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:12:44,295 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-29 05:12:44,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:12:44,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1988290997, now seen corresponding path program 1 times [2021-10-29 05:12:44,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-29 05:12:44,298 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [974389328] [2021-10-29 05:12:44,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:12:44,299 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-29 05:12:44,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/mathsat [2021-10-29 05:12:44,300 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-29 05:12:44,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-29 05:12:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:12:46,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-29 05:12:46,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 05:13:46,756 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 [2021-10-29 05:13:48,782 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 [2021-10-29 05:13:48,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:13:48,783 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-29 05:14:32,062 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 [2021-10-29 05:14:42,913 WARN L838 $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 false [2021-10-29 05:14:44,966 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 [2021-10-29 05:15:00,959 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 [2021-10-29 05:15:46,215 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 [2021-10-29 05:15:48,251 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 [2021-10-29 05:15:48,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:15:48,253 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-29 05:15:48,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [974389328] [2021-10-29 05:15:48,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [974389328] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-29 05:15:48,254 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:15:48,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 7] imperfect sequences [] total 16 [2021-10-29 05:15:48,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47029618] [2021-10-29 05:15:48,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-10-29 05:15:48,256 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-29 05:15:48,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-29 05:15:48,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=95, Unknown=14, NotChecked=120, Total=272 [2021-10-29 05:15:48,259 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) [2021-10-29 05:15:51,232 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 [2021-10-29 05:16:49,822 WARN L207 SmtUtils]: Spent 46.63 s on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2021-10-29 05:17:49,435 WARN L207 SmtUtils]: Spent 46.10 s on a formula simplification. DAG size of input: 29 DAG size of output: 24 [2021-10-29 05:17:53,743 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 [2021-10-29 05:17:58,044 WARN L860 $PredicateComparison]: unable to prove that (and (not (fp.isNaN c_ULTIMATE.start_main_~d~0)) (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))) (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 true [2021-10-29 05:18:47,021 WARN L207 SmtUtils]: Spent 34.76 s on a formula simplification that was a NOOP. DAG size: 32 [2021-10-29 05:20:10,619 WARN L207 SmtUtils]: Spent 1.23 m on a formula simplification. DAG size of input: 37 DAG size of output: 20 [2021-10-29 05:20:14,595 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse8 (fp.isInfinite c_ULTIMATE.start_main_~d~0)) (.cse1 (fp.isNaN c_ULTIMATE.start_main_~d~0))) (let ((.cse3 (not .cse1)) (.cse6 (not .cse8)) (.cse2 (= c_ULTIMATE.start_assume_abort_if_not_~cond (_ bv0 32))) (.cse0 (fp.gt c_ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775808 64)))) (.cse4 (= c_ULTIMATE.start_assume_abort_if_not_~cond (_ bv1 32))) (.cse5 (fp.lt c_ULTIMATE.start_main_~d~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv9223372036854775807 64))))) (and .cse0 (or (and .cse1 .cse2) (and .cse3 .cse4)) .cse3 (not (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32))) .cse5 .cse6 (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))) (exists ((ULTIMATE.start_main_~d~0 (_ FloatingPoint 11 53))) (and (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))) (let ((.cse7 (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))))) (or (and (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32)) (not .cse7)) (and (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) .cse7))))) (or (and .cse2 .cse8) (and .cse4 .cse6)) (= c_currentRoundingMode roundNearestTiesToEven) (or (and (or (not .cse0) (not .cse5)) .cse2) (and .cse0 .cse4 .cse5))))) is different from false [2021-10-29 05:20:15,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:20:15,723 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2021-10-29 05:20:15,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-29 05:20:15,724 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 [2021-10-29 05:20:15,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:20:15,725 INFO L225 Difference]: With dead ends: 11 [2021-10-29 05:20:15,725 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 05:20:15,727 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 9 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 307.4s TimeCoverageRelationStatistics Valid=80, Invalid=171, Unknown=25, NotChecked=324, Total=600 [2021-10-29 05:20:15,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 05:20:15,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 05:20:15,727 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) [2021-10-29 05:20:15,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 05:20:15,728 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2021-10-29 05:20:15,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:20:15,728 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 05:20:15,729 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) [2021-10-29 05:20:15,729 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 05:20:15,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 05:20:15,732 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:20:15,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-10-29 05:20:15,951 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/mathsat -unsat_core_generation=3 [2021-10-29 05:20:15,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 05:20:15,957 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:20:15,994 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 05:20:16,010 INFO L857 garLoopResultBuilder]: For program point L993(lines 993 995) no Hoare annotation was computed. [2021-10-29 05:20:16,010 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 05:20:16,011 INFO L857 garLoopResultBuilder]: For program point L993-1(lines 993 995) no Hoare annotation was computed. [2021-10-29 05:20:16,012 INFO L857 garLoopResultBuilder]: For program point L993-2(lines 993 995) no Hoare annotation was computed. [2021-10-29 05:20:16,012 INFO L857 garLoopResultBuilder]: For program point L1008(line 1008) no Hoare annotation was computed. [2021-10-29 05:20:16,012 INFO L857 garLoopResultBuilder]: For program point L1008-1(line 1008) no Hoare annotation was computed. [2021-10-29 05:20:16,013 INFO L860 garLoopResultBuilder]: At program point L1008-3(line 1008) the Hoare annotation is: true [2021-10-29 05:20:16,013 INFO L857 garLoopResultBuilder]: For program point L994(line 994) no Hoare annotation was computed. [2021-10-29 05:20:16,014 INFO L857 garLoopResultBuilder]: For program point L994-2(line 994) no Hoare annotation was computed. [2021-10-29 05:20:16,014 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-29 05:20:16,014 INFO L860 garLoopResultBuilder]: At program point L1023(lines 1012 1024) the Hoare annotation is: true [2021-10-29 05:20:16,014 INFO L857 garLoopResultBuilder]: For program point L994-4(line 994) no Hoare annotation was computed. [2021-10-29 05:20:16,015 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 05:20:16,016 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-29 05:20:16,017 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1008) no Hoare annotation was computed. [2021-10-29 05:20:16,020 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-29 05:20:16,025 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:20:16,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:20:16 BoogieIcfgContainer [2021-10-29 05:20:16,034 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:20:16,037 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:20:16,037 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:20:16,037 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:20:16,038 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:12:43" (3/4) ... [2021-10-29 05:20:16,041 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 05:20:16,055 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-10-29 05:20:16,056 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-29 05:20:16,057 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:20:16,057 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 05:20:16,125 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:20:16,125 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:20:16,127 INFO L168 Benchmark]: Toolchain (without parser) took 456631.09 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 33.0 MB in the beginning and 46.6 MB in the end (delta: -13.6 MB). Peak memory consumption was 23.8 MB. Max. memory is 16.1 GB. [2021-10-29 05:20:16,128 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 56.6 MB. Free memory is still 37.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:20:16,131 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1148.65 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 32.9 MB in the beginning and 45.1 MB in the end (delta: -12.2 MB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:20:16,132 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.09 ms. Allocated memory is still 69.2 MB. Free memory was 45.1 MB in the beginning and 42.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:20:16,134 INFO L168 Benchmark]: Boogie Preprocessor took 65.36 ms. Allocated memory is still 69.2 MB. Free memory was 42.4 MB in the beginning and 41.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:20:16,134 INFO L168 Benchmark]: RCFGBuilder took 2536.60 ms. Allocated memory is still 69.2 MB. Free memory was 41.2 MB in the beginning and 31.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:20:16,135 INFO L168 Benchmark]: TraceAbstraction took 452665.14 ms. Allocated memory is still 69.2 MB. Free memory was 31.1 MB in the beginning and 26.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:20:16,136 INFO L168 Benchmark]: Witness Printer took 88.68 ms. Allocated memory is still 69.2 MB. Free memory was 26.1 MB in the beginning and 46.6 MB in the end (delta: -20.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:20:16,139 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 56.6 MB. Free memory is still 37.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1148.65 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 32.9 MB in the beginning and 45.1 MB in the end (delta: -12.2 MB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 114.09 ms. Allocated memory is still 69.2 MB. Free memory was 45.1 MB in the beginning and 42.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.36 ms. Allocated memory is still 69.2 MB. Free memory was 42.4 MB in the beginning and 41.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2536.60 ms. Allocated memory is still 69.2 MB. Free memory was 41.2 MB in the beginning and 31.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 452665.14 ms. Allocated memory is still 69.2 MB. Free memory was 31.1 MB in the beginning and 26.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. * Witness Printer took 88.68 ms. Allocated memory is still 69.2 MB. Free memory was 26.1 MB in the beginning and 46.6 MB in the end (delta: -20.5 MB). Peak memory consumption was 2.1 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, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s 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: 452.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 267.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 15 SDtfs, 8 SDslu, 2 SDs, 0 SdLazy, 24 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 9 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 307.4s Time, 0.0s 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, 0.0s 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, 2.6s SatisfiabilityAnalysisTime, 181.6s 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! [2021-10-29 05:20:16,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bd73d61-8d2a-4bed-a317-0750ac1435b6/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...