./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0870b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0870b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW --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 e0eb8afc8d7818fa0271ce015ce884b6780ab63de83244d090d51fa572cb54f7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 13:53:16,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 13:53:16,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 13:53:16,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 13:53:16,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 13:53:16,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 13:53:16,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 13:53:16,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 13:53:16,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 13:53:16,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 13:53:16,696 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 13:53:16,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 13:53:16,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 13:53:16,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 13:53:16,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 13:53:16,700 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 13:53:16,701 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 13:53:16,702 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 13:53:16,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 13:53:16,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 13:53:16,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 13:53:16,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 13:53:16,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 13:53:16,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 13:53:16,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 13:53:16,728 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 13:53:16,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 13:53:16,729 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 13:53:16,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 13:53:16,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 13:53:16,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 13:53:16,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 13:53:16,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 13:53:16,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 13:53:16,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 13:53:16,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 13:53:16,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 13:53:16,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 13:53:16,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 13:53:16,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 13:53:16,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 13:53:16,739 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 13:53:16,771 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 13:53:16,771 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 13:53:16,772 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 13:53:16,772 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 13:53:16,772 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 13:53:16,772 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 13:53:16,773 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 13:53:16,773 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 13:53:16,773 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 13:53:16,773 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 13:53:16,773 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 13:53:16,774 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 13:53:16,774 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 13:53:16,774 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 13:53:16,774 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 13:53:16,774 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 13:53:16,775 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 13:53:16,775 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 13:53:16,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 13:53:16,776 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 13:53:16,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 13:53:16,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 13:53:16,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 13:53:16,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 13:53:16,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 13:53:16,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 13:53:16,778 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 13:53:16,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 13:53:16,778 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 13:53:16,778 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 13:53:16,779 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 13:53:16,779 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 13:53:16,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:53:16,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 13:53:16,780 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 13:53:16,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 13:53:16,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 13:53:16,780 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 13:53:16,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 13:53:16,781 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 13:53:16,781 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 13:53:16,781 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0eb8afc8d7818fa0271ce015ce884b6780ab63de83244d090d51fa572cb54f7 [2022-11-23 13:53:17,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 13:53:17,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 13:53:17,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 13:53:17,130 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 13:53:17,131 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 13:53:17,132 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/float-newlib/double_req_bl_0870b.c [2022-11-23 13:53:20,096 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 13:53:20,307 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 13:53:20,308 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/sv-benchmarks/c/float-newlib/double_req_bl_0870b.c [2022-11-23 13:53:20,317 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/data/8428f6b4c/99ee3e12a92a45a4bc42757924e412f9/FLAG97584f970 [2022-11-23 13:53:20,341 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/data/8428f6b4c/99ee3e12a92a45a4bc42757924e412f9 [2022-11-23 13:53:20,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 13:53:20,349 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 13:53:20,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 13:53:20,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 13:53:20,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 13:53:20,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:53:20" (1/1) ... [2022-11-23 13:53:20,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6640cc00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:20, skipping insertion in model container [2022-11-23 13:53:20,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:53:20" (1/1) ... [2022-11-23 13:53:20,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 13:53:20,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 13:53:20,677 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:795) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:2048) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$60(StandardFunctionHandler.java:427) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1463) 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.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2061) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1669) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) 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:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1646) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) 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:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) 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:3313) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) 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) [2022-11-23 13:53:20,682 INFO L158 Benchmark]: Toolchain (without parser) took 332.57ms. Allocated memory was 134.2MB in the beginning and 165.7MB in the end (delta: 31.5MB). Free memory was 72.3MB in the beginning and 133.9MB in the end (delta: -61.6MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2022-11-23 13:53:20,683 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 134.2MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 13:53:20,684 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.21ms. Allocated memory was 134.2MB in the beginning and 165.7MB in the end (delta: 31.5MB). Free memory was 72.1MB in the beginning and 133.9MB in the end (delta: -61.8MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2022-11-23 13:53:20,685 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 134.2MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.21ms. Allocated memory was 134.2MB in the beginning and 165.7MB in the end (delta: 31.5MB). Free memory was 72.1MB in the beginning and 133.9MB in the end (delta: -61.8MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:795) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0870b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW --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 e0eb8afc8d7818fa0271ce015ce884b6780ab63de83244d090d51fa572cb54f7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 13:53:23,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 13:53:23,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 13:53:23,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 13:53:23,052 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 13:53:23,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 13:53:23,058 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 13:53:23,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 13:53:23,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 13:53:23,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 13:53:23,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 13:53:23,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 13:53:23,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 13:53:23,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 13:53:23,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 13:53:23,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 13:53:23,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 13:53:23,087 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 13:53:23,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 13:53:23,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 13:53:23,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 13:53:23,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 13:53:23,107 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 13:53:23,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 13:53:23,114 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 13:53:23,120 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 13:53:23,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 13:53:23,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 13:53:23,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 13:53:23,124 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 13:53:23,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 13:53:23,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 13:53:23,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 13:53:23,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 13:53:23,131 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 13:53:23,132 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 13:53:23,133 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 13:53:23,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 13:53:23,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 13:53:23,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 13:53:23,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 13:53:23,139 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-23 13:53:23,185 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 13:53:23,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 13:53:23,187 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 13:53:23,187 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 13:53:23,188 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 13:53:23,188 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 13:53:23,188 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 13:53:23,189 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 13:53:23,189 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 13:53:23,189 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 13:53:23,189 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 13:53:23,190 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 13:53:23,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 13:53:23,191 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 13:53:23,191 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 13:53:23,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 13:53:23,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 13:53:23,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 13:53:23,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 13:53:23,192 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 13:53:23,193 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 13:53:23,193 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 13:53:23,193 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 13:53:23,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 13:53:23,194 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 13:53:23,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 13:53:23,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 13:53:23,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 13:53:23,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 13:53:23,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:53:23,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 13:53:23,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 13:53:23,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 13:53:23,196 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 13:53:23,196 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 13:53:23,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 13:53:23,197 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 13:53:23,197 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 13:53:23,197 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_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0eb8afc8d7818fa0271ce015ce884b6780ab63de83244d090d51fa572cb54f7 [2022-11-23 13:53:23,577 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 13:53:23,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 13:53:23,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 13:53:23,604 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 13:53:23,604 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 13:53:23,605 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/float-newlib/double_req_bl_0870b.c [2022-11-23 13:53:26,697 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 13:53:27,013 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 13:53:27,015 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/sv-benchmarks/c/float-newlib/double_req_bl_0870b.c [2022-11-23 13:53:27,034 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/data/97f0cc662/c39905af6105429a83ab528166dbe294/FLAG22d3a7599 [2022-11-23 13:53:27,053 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/data/97f0cc662/c39905af6105429a83ab528166dbe294 [2022-11-23 13:53:27,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 13:53:27,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 13:53:27,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 13:53:27,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 13:53:27,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 13:53:27,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:53:27" (1/1) ... [2022-11-23 13:53:27,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64b68e12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27, skipping insertion in model container [2022-11-23 13:53:27,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:53:27" (1/1) ... [2022-11-23 13:53:27,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 13:53:27,110 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 13:53:27,460 WARN L237 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_2a214458-9180-42a4-851d-314b21493f40/sv-benchmarks/c/float-newlib/double_req_bl_0870b.c[14187,14200] [2022-11-23 13:53:27,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:53:27,517 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 13:53:27,605 WARN L237 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_2a214458-9180-42a4-851d-314b21493f40/sv-benchmarks/c/float-newlib/double_req_bl_0870b.c[14187,14200] [2022-11-23 13:53:27,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:53:27,628 INFO L208 MainTranslator]: Completed translation [2022-11-23 13:53:27,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27 WrapperNode [2022-11-23 13:53:27,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 13:53:27,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 13:53:27,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 13:53:27,630 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 13:53:27,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 13:53:27,657 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 13:53:27,697 INFO L138 Inliner]: procedures = 25, calls = 159, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 738 [2022-11-23 13:53:27,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 13:53:27,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 13:53:27,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 13:53:27,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 13:53:27,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 13:53:27,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 13:53:27,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 13:53:27,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 13:53:27,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 13:53:27,781 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 13:53:27,798 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 13:53:27,807 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 13:53:27,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 13:53:27,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 13:53:27,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 13:53:27,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 13:53:27,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (1/1) ... [2022-11-23 13:53:27,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:53:27,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:53:27,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 13:53:27,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 13:53:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 13:53:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-11-23 13:53:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2022-11-23 13:53:27,951 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2022-11-23 13:53:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-11-23 13:53:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 13:53:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 13:53:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2022-11-23 13:53:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-23 13:53:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 13:53:27,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 13:53:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-23 13:53:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 13:53:28,135 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 13:53:28,138 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 13:54:38,989 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 13:54:39,010 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 13:54:39,013 INFO L300 CfgBuilder]: Removed 58 assume(true) statements. [2022-11-23 13:54:39,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:54:39 BoogieIcfgContainer [2022-11-23 13:54:39,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 13:54:39,019 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 13:54:39,019 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 13:54:39,023 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 13:54:39,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:53:27" (1/3) ... [2022-11-23 13:54:39,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@253c6167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:54:39, skipping insertion in model container [2022-11-23 13:54:39,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:53:27" (2/3) ... [2022-11-23 13:54:39,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@253c6167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:54:39, skipping insertion in model container [2022-11-23 13:54:39,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:54:39" (3/3) ... [2022-11-23 13:54:39,027 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0870b.c [2022-11-23 13:54:39,047 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 13:54:39,047 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 13:54:39,118 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 13:54:39,127 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@41ead812, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 13:54:39,127 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 13:54:39,136 INFO L276 IsEmpty]: Start isEmpty. Operand has 193 states, 187 states have (on average 1.7165775401069518) internal successors, (321), 188 states have internal predecessors, (321), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 13:54:39,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 13:54:39,143 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:54:39,144 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:54:39,145 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:54:39,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:54:39,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1212043320, now seen corresponding path program 1 times [2022-11-23 13:54:39,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 13:54:39,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [297031773] [2022-11-23 13:54:39,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:54:39,169 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 13:54:39,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 13:54:39,170 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 13:54:39,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-23 13:54:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:54:39,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-23 13:54:39,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:54:39,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:54:39,601 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:54:39,602 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 13:54:39,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [297031773] [2022-11-23 13:54:39,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [297031773] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:54:39,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:54:39,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 13:54:39,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628356009] [2022-11-23 13:54:39,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:54:39,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 13:54:39,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 13:54:39,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 13:54:39,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 13:54:39,649 INFO L87 Difference]: Start difference. First operand has 193 states, 187 states have (on average 1.7165775401069518) internal successors, (321), 188 states have internal predecessors, (321), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2022-11-23 13:54:39,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:54:39,706 INFO L93 Difference]: Finished difference Result 383 states and 653 transitions. [2022-11-23 13:54:39,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 13:54:39,708 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2022-11-23 13:54:39,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:54:39,718 INFO L225 Difference]: With dead ends: 383 [2022-11-23 13:54:39,719 INFO L226 Difference]: Without dead ends: 189 [2022-11-23 13:54:39,723 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 13:54:39,726 INFO L413 NwaCegarLoop]: 268 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 13:54:39,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 13:54:39,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-11-23 13:54:39,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2022-11-23 13:54:39,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 184 states have (on average 1.3967391304347827) internal successors, (257), 184 states have internal predecessors, (257), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 13:54:39,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 263 transitions. [2022-11-23 13:54:39,782 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 263 transitions. Word has length 11 [2022-11-23 13:54:39,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:54:39,783 INFO L495 AbstractCegarLoop]: Abstraction has 189 states and 263 transitions. [2022-11-23 13:54:39,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2022-11-23 13:54:39,783 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 263 transitions. [2022-11-23 13:54:39,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-23 13:54:39,784 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:54:39,784 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:54:39,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-23 13:54:40,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 13:54:40,002 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:54:40,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:54:40,003 INFO L85 PathProgramCache]: Analyzing trace with hash 14263797, now seen corresponding path program 1 times [2022-11-23 13:54:40,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 13:54:40,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [177741728] [2022-11-23 13:54:40,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:54:40,004 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 13:54:40,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 13:54:40,006 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 13:54:40,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-23 13:54:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:54:40,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 13:54:40,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:54:45,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:54:45,690 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:54:45,690 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 13:54:45,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [177741728] [2022-11-23 13:54:45,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [177741728] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:54:45,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:54:45,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 13:54:45,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641234161] [2022-11-23 13:54:45,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:54:45,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 13:54:45,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 13:54:45,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 13:54:45,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=11, Unknown=2, NotChecked=0, Total=20 [2022-11-23 13:54:45,696 INFO L87 Difference]: Start difference. First operand 189 states and 263 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:54:47,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 13:54:49,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2022-11-23 13:54:53,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 13:55:02,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 13:55:06,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.93s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 13:55:08,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 13:55:10,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 13:55:13,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 13:55:15,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 13:55:17,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 13:55:17,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:55:17,749 INFO L93 Difference]: Finished difference Result 203 states and 278 transitions. [2022-11-23 13:55:17,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 13:55:17,896 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-11-23 13:55:17,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:55:17,898 INFO L225 Difference]: With dead ends: 203 [2022-11-23 13:55:17,898 INFO L226 Difference]: Without dead ends: 198 [2022-11-23 13:55:17,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=17, Invalid=22, Unknown=3, NotChecked=0, Total=42 [2022-11-23 13:55:17,901 INFO L413 NwaCegarLoop]: 227 mSDtfsCounter, 499 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.4s IncrementalHoareTripleChecker+Time [2022-11-23 13:55:17,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 516 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 9 Unknown, 0 Unchecked, 25.4s Time] [2022-11-23 13:55:17,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2022-11-23 13:55:17,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 189. [2022-11-23 13:55:17,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 184 states have (on average 1.391304347826087) internal successors, (256), 184 states have internal predecessors, (256), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 13:55:17,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 262 transitions. [2022-11-23 13:55:17,951 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 262 transitions. Word has length 13 [2022-11-23 13:55:17,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:55:17,951 INFO L495 AbstractCegarLoop]: Abstraction has 189 states and 262 transitions. [2022-11-23 13:55:17,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 13:55:17,952 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 262 transitions. [2022-11-23 13:55:17,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-23 13:55:17,954 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:55:17,955 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:55:17,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-11-23 13:55:18,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 13:55:18,171 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:55:18,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:55:18,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1883828294, now seen corresponding path program 1 times [2022-11-23 13:55:18,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 13:55:18,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [45625978] [2022-11-23 13:55:18,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:55:18,173 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 13:55:18,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 13:55:18,174 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 13:55:18,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-23 13:55:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:55:18,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-23 13:55:18,555 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:55:20,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:55:20,643 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:55:20,643 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 13:55:20,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [45625978] [2022-11-23 13:55:20,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [45625978] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:55:20,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:55:20,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 13:55:20,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106335783] [2022-11-23 13:55:20,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:55:20,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 13:55:20,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 13:55:20,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 13:55:20,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 13:55:20,647 INFO L87 Difference]: Start difference. First operand 189 states and 262 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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) [2022-11-23 13:55:24,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 13:55:26,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 13:55:29,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 13:55:33,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 13:55:35,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 13:55:37,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 13:55:37,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:55:37,864 INFO L93 Difference]: Finished difference Result 297 states and 391 transitions. [2022-11-23 13:55:37,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 13:55:37,866 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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 15 [2022-11-23 13:55:37,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:55:37,868 INFO L225 Difference]: With dead ends: 297 [2022-11-23 13:55:37,868 INFO L226 Difference]: Without dead ends: 194 [2022-11-23 13:55:37,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-23 13:55:37,871 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 813 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 17 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 813 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2022-11-23 13:55:37,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [813 Valid, 389 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 37 Invalid, 3 Unknown, 0 Unchecked, 15.9s Time] [2022-11-23 13:55:37,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2022-11-23 13:55:37,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 184. [2022-11-23 13:55:37,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 179 states have (on average 1.3519553072625698) internal successors, (242), 179 states have internal predecessors, (242), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 13:55:37,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 248 transitions. [2022-11-23 13:55:37,898 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 248 transitions. Word has length 15 [2022-11-23 13:55:37,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:55:37,898 INFO L495 AbstractCegarLoop]: Abstraction has 184 states and 248 transitions. [2022-11-23 13:55:37,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 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) [2022-11-23 13:55:37,899 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 248 transitions. [2022-11-23 13:55:37,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-23 13:55:37,900 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:55:37,900 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:55:37,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-11-23 13:55:38,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 13:55:38,115 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:55:38,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:55:38,116 INFO L85 PathProgramCache]: Analyzing trace with hash -1881981252, now seen corresponding path program 1 times [2022-11-23 13:55:38,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 13:55:38,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2058265748] [2022-11-23 13:55:38,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:55:38,117 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 13:55:38,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 13:55:38,118 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 13:55:38,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-23 13:55:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:55:38,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 13:55:38,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:55:39,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:55:39,311 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:55:39,312 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 13:55:39,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2058265748] [2022-11-23 13:55:39,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2058265748] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:55:39,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:55:39,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 13:55:39,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528393739] [2022-11-23 13:55:39,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:55:39,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 13:55:39,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 13:55:39,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 13:55:39,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 13:55:39,325 INFO L87 Difference]: Start difference. First operand 184 states and 248 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) [2022-11-23 13:55:41,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:44,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.87s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:46,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:48,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:50,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:52,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:55,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:55:57,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:00,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:02,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:02,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:56:02,257 INFO L93 Difference]: Finished difference Result 189 states and 252 transitions. [2022-11-23 13:56:02,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 13:56:02,298 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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 15 [2022-11-23 13:56:02,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:56:02,300 INFO L225 Difference]: With dead ends: 189 [2022-11-23 13:56:02,300 INFO L226 Difference]: Without dead ends: 183 [2022-11-23 13:56:02,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-23 13:56:02,301 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 3 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 967 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.4s IncrementalHoareTripleChecker+Time [2022-11-23 13:56:02,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 967 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 8 Unknown, 0 Unchecked, 22.4s Time] [2022-11-23 13:56:02,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-11-23 13:56:02,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2022-11-23 13:56:02,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 178 states have (on average 1.3426966292134832) internal successors, (239), 178 states have internal predecessors, (239), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 13:56:02,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 245 transitions. [2022-11-23 13:56:02,344 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 245 transitions. Word has length 15 [2022-11-23 13:56:02,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:56:02,344 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 245 transitions. [2022-11-23 13:56:02,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 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) [2022-11-23 13:56:02,345 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 245 transitions. [2022-11-23 13:56:02,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-23 13:56:02,346 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:56:02,346 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:56:02,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-23 13:56:02,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 13:56:02,565 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:56:02,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:56:02,566 INFO L85 PathProgramCache]: Analyzing trace with hash 683604656, now seen corresponding path program 1 times [2022-11-23 13:56:02,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 13:56:02,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [424586774] [2022-11-23 13:56:02,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:56:02,567 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 13:56:02,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 13:56:02,568 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 13:56:02,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-23 13:56:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:56:03,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-23 13:56:03,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:56:06,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:56:06,315 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:56:06,315 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 13:56:06,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [424586774] [2022-11-23 13:56:06,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [424586774] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:56:06,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:56:06,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 13:56:06,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282081464] [2022-11-23 13:56:06,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:56:06,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 13:56:06,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 13:56:06,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 13:56:06,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-23 13:56:06,318 INFO L87 Difference]: Start difference. First operand 183 states and 245 transitions. Second operand has 8 states, 8 states have (on average 2.375) internal successors, (19), 7 states have internal predecessors, (19), 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) [2022-11-23 13:56:10,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.84s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:14,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:17,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.84s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:20,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.68s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:23,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:25,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:28,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:34,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.89s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:38,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:40,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:43,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:45,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:48,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:50,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:52,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:54,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:57,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:56:59,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:57:01,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:57:03,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:57:05,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:57:12,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:57:14,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:57:16,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:57:18,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:57:21,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:57:23,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:57:25,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:57:28,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:57:28,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:57:28,303 INFO L93 Difference]: Finished difference Result 198 states and 260 transitions. [2022-11-23 13:57:28,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 13:57:28,346 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-23 13:57:28,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:57:28,348 INFO L225 Difference]: With dead ends: 198 [2022-11-23 13:57:28,348 INFO L226 Difference]: Without dead ends: 193 [2022-11-23 13:57:28,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-11-23 13:57:28,350 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 397 mSDsluCounter, 791 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 1 mSolverCounterUnsat, 26 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 75.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 1027 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 26 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 80.2s IncrementalHoareTripleChecker+Time [2022-11-23 13:57:28,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 1027 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 66 Invalid, 26 Unknown, 0 Unchecked, 80.2s Time] [2022-11-23 13:57:28,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-11-23 13:57:28,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 183. [2022-11-23 13:57:28,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 178 states have (on average 1.3314606741573034) internal successors, (237), 178 states have internal predecessors, (237), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 13:57:28,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 243 transitions. [2022-11-23 13:57:28,374 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 243 transitions. Word has length 19 [2022-11-23 13:57:28,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:57:28,374 INFO L495 AbstractCegarLoop]: Abstraction has 183 states and 243 transitions. [2022-11-23 13:57:28,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 7 states have internal predecessors, (19), 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) [2022-11-23 13:57:28,375 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 243 transitions. [2022-11-23 13:57:28,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-23 13:57:28,376 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:57:28,376 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:57:28,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-23 13:57:28,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 13:57:28,591 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:57:28,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:57:28,592 INFO L85 PathProgramCache]: Analyzing trace with hash 476735952, now seen corresponding path program 1 times [2022-11-23 13:57:28,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 13:57:28,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2091386804] [2022-11-23 13:57:28,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:57:28,593 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 13:57:28,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 13:57:28,595 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 13:57:28,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-23 13:57:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:57:29,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-23 13:57:29,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:57:34,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:57:34,795 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:57:34,796 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 13:57:34,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2091386804] [2022-11-23 13:57:34,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2091386804] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:57:34,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:57:34,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 13:57:34,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661726450] [2022-11-23 13:57:34,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:57:34,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 13:57:34,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 13:57:34,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 13:57:34,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-23 13:57:34,799 INFO L87 Difference]: Start difference. First operand 183 states and 243 transitions. Second operand has 8 states, 8 states have (on average 2.375) internal successors, (19), 7 states have internal predecessors, (19), 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) [2022-11-23 13:57:37,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:57:43,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:57:46,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:57:48,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:57:51,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:57:53,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:57:56,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:02,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.90s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:05,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.31s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:08,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:11,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:13,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:16,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:18,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:20,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:22,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:24,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:26,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:28,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:30,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:32,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:39,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:41,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:43,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:45,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:47,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:50,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:52,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:54,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:56,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:58,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 13:58:58,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:58:58,956 INFO L93 Difference]: Finished difference Result 198 states and 258 transitions. [2022-11-23 13:58:58,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 13:58:58,999 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-23 13:58:58,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:58:59,000 INFO L225 Difference]: With dead ends: 198 [2022-11-23 13:58:59,000 INFO L226 Difference]: Without dead ends: 192 [2022-11-23 13:58:59,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-11-23 13:58:59,002 INFO L413 NwaCegarLoop]: 234 mSDtfsCounter, 394 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 27 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 77.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 1017 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 27 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 81.5s IncrementalHoareTripleChecker+Time [2022-11-23 13:58:59,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 1017 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 27 Unknown, 0 Unchecked, 81.5s Time] [2022-11-23 13:58:59,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2022-11-23 13:58:59,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 182. [2022-11-23 13:58:59,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 177 states have (on average 1.3276836158192091) internal successors, (235), 177 states have internal predecessors, (235), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 13:58:59,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 241 transitions. [2022-11-23 13:58:59,041 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 241 transitions. Word has length 19 [2022-11-23 13:58:59,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:58:59,041 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 241 transitions. [2022-11-23 13:58:59,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 7 states have internal predecessors, (19), 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) [2022-11-23 13:58:59,042 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 241 transitions. [2022-11-23 13:58:59,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-23 13:58:59,042 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:58:59,042 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:58:59,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-23 13:58:59,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 13:58:59,247 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 13:58:59,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:58:59,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1878900348, now seen corresponding path program 1 times [2022-11-23 13:58:59,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 13:58:59,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1504275605] [2022-11-23 13:58:59,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:58:59,248 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 13:58:59,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 13:58:59,253 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 13:58:59,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-23 13:58:59,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:58:59,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-23 13:58:59,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:59:02,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 13:59:02,109 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:59:02,109 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 13:59:02,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1504275605] [2022-11-23 13:59:02,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1504275605] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:59:02,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:59:02,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 13:59:02,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032047227] [2022-11-23 13:59:02,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:59:02,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 13:59:02,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 13:59:02,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 13:59:02,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 13:59:02,112 INFO L87 Difference]: Start difference. First operand 182 states and 241 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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) [2022-11-23 13:59:03,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:59:03,704 INFO L93 Difference]: Finished difference Result 182 states and 241 transitions. [2022-11-23 13:59:03,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 13:59:03,704 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-11-23 13:59:03,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:59:03,705 INFO L225 Difference]: With dead ends: 182 [2022-11-23 13:59:03,705 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 13:59:03,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-23 13:59:03,709 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 15 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 13:59:03,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 16 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 13:59:03,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 13:59:03,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 13:59:03,714 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) [2022-11-23 13:59:03,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 13:59:03,715 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2022-11-23 13:59:03,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:59:03,715 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 13:59:03,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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) [2022-11-23 13:59:03,716 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 13:59:03,716 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 13:59:03,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 13:59:03,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-23 13:59:03,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 13:59:03,945 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 13:59:10,232 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 36) no Hoare annotation was computed. [2022-11-23 13:59:10,233 INFO L902 garLoopResultBuilder]: At program point L31-1(lines 19 38) the Hoare annotation is: true [2022-11-23 13:59:10,233 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 31 36) no Hoare annotation was computed. [2022-11-23 13:59:10,233 INFO L899 garLoopResultBuilder]: For program point copysign_doubleFINAL(lines 19 38) no Hoare annotation was computed. [2022-11-23 13:59:10,233 INFO L899 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2022-11-23 13:59:10,233 INFO L902 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: true [2022-11-23 13:59:10,233 INFO L899 garLoopResultBuilder]: For program point copysign_doubleEXIT(lines 19 38) no Hoare annotation was computed. [2022-11-23 13:59:10,233 INFO L902 garLoopResultBuilder]: At program point copysign_doubleENTRY(lines 19 38) the Hoare annotation is: true [2022-11-23 13:59:10,234 INFO L899 garLoopResultBuilder]: For program point L26(lines 26 30) no Hoare annotation was computed. [2022-11-23 13:59:10,234 INFO L902 garLoopResultBuilder]: At program point L26-1(lines 19 38) the Hoare annotation is: true [2022-11-23 13:59:10,234 INFO L899 garLoopResultBuilder]: For program point L531-1(lines 531 536) no Hoare annotation was computed. [2022-11-23 13:59:10,234 INFO L895 garLoopResultBuilder]: At program point L531-2(lines 531 536) the Hoare annotation is: false [2022-11-23 13:59:10,234 INFO L899 garLoopResultBuilder]: For program point L531-3(lines 531 536) no Hoare annotation was computed. [2022-11-23 13:59:10,234 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 367) no Hoare annotation was computed. [2022-11-23 13:59:10,234 INFO L899 garLoopResultBuilder]: For program point L168(lines 168 169) no Hoare annotation was computed. [2022-11-23 13:59:10,235 INFO L899 garLoopResultBuilder]: For program point L168-2(lines 168 169) no Hoare annotation was computed. [2022-11-23 13:59:10,235 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 70) no Hoare annotation was computed. [2022-11-23 13:59:10,235 INFO L895 garLoopResultBuilder]: At program point L565(line 565) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res#1|) (= |ULTIMATE.start___ieee754_pow_#res#1| (_ NaN 11 53))) [2022-11-23 13:59:10,235 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 406) no Hoare annotation was computed. [2022-11-23 13:59:10,235 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 309) no Hoare annotation was computed. [2022-11-23 13:59:10,235 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 139) no Hoare annotation was computed. [2022-11-23 13:59:10,235 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 103 108) no Hoare annotation was computed. [2022-11-23 13:59:10,235 INFO L899 garLoopResultBuilder]: For program point L136-2(lines 136 139) no Hoare annotation was computed. [2022-11-23 13:59:10,236 INFO L895 garLoopResultBuilder]: At program point L70(line 70) the Hoare annotation is: false [2022-11-23 13:59:10,236 INFO L895 garLoopResultBuilder]: At program point L103-2(lines 103 108) the Hoare annotation is: false [2022-11-23 13:59:10,236 INFO L899 garLoopResultBuilder]: For program point L70-1(line 70) no Hoare annotation was computed. [2022-11-23 13:59:10,236 INFO L899 garLoopResultBuilder]: For program point L103-3(lines 97 205) no Hoare annotation was computed. [2022-11-23 13:59:10,236 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 501) no Hoare annotation was computed. [2022-11-23 13:59:10,236 INFO L899 garLoopResultBuilder]: For program point L467-1(lines 467 472) no Hoare annotation was computed. [2022-11-23 13:59:10,236 INFO L895 garLoopResultBuilder]: At program point L467-2(lines 467 472) the Hoare annotation is: false [2022-11-23 13:59:10,237 INFO L899 garLoopResultBuilder]: For program point L467-3(lines 467 472) no Hoare annotation was computed. [2022-11-23 13:59:10,237 INFO L899 garLoopResultBuilder]: For program point L71(lines 71 79) no Hoare annotation was computed. [2022-11-23 13:59:10,237 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 304) no Hoare annotation was computed. [2022-11-23 13:59:10,237 INFO L899 garLoopResultBuilder]: For program point L270-1(lines 270 275) no Hoare annotation was computed. [2022-11-23 13:59:10,237 INFO L895 garLoopResultBuilder]: At program point L270-2(lines 270 275) the Hoare annotation is: (and (not (fp.eq |ULTIMATE.start___ieee754_pow_~y#1| (_ +zero 11 53))) (= ~one_pow~0 ((_ to_fp 11 53) currentRoundingMode 1.0)) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) |ULTIMATE.start_main_~x~0#1|)) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_pow_~x#1| (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53))))) [2022-11-23 13:59:10,238 INFO L895 garLoopResultBuilder]: At program point L204(lines 97 205) the Hoare annotation is: false [2022-11-23 13:59:10,238 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 72 77) no Hoare annotation was computed. [2022-11-23 13:59:10,238 INFO L895 garLoopResultBuilder]: At program point L72-2(lines 72 77) the Hoare annotation is: false [2022-11-23 13:59:10,238 INFO L899 garLoopResultBuilder]: For program point L72-3(lines 72 77) no Hoare annotation was computed. [2022-11-23 13:59:10,238 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 510) no Hoare annotation was computed. [2022-11-23 13:59:10,238 INFO L899 garLoopResultBuilder]: For program point L503-2(lines 496 510) no Hoare annotation was computed. [2022-11-23 13:59:10,238 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 351) no Hoare annotation was computed. [2022-11-23 13:59:10,238 INFO L899 garLoopResultBuilder]: For program point L305(lines 305 309) no Hoare annotation was computed. [2022-11-23 13:59:10,239 INFO L899 garLoopResultBuilder]: For program point L338-2(lines 263 562) no Hoare annotation was computed. [2022-11-23 13:59:10,239 INFO L899 garLoopResultBuilder]: For program point L504(lines 504 509) no Hoare annotation was computed. [2022-11-23 13:59:10,239 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 350) no Hoare annotation was computed. [2022-11-23 13:59:10,239 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 308) no Hoare annotation was computed. [2022-11-23 13:59:10,239 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 208 212) no Hoare annotation was computed. [2022-11-23 13:59:10,239 INFO L895 garLoopResultBuilder]: At program point L208-2(lines 208 212) the Hoare annotation is: false [2022-11-23 13:59:10,239 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 412) no Hoare annotation was computed. [2022-11-23 13:59:10,239 INFO L895 garLoopResultBuilder]: At program point L407-1(lines 381 474) the Hoare annotation is: false [2022-11-23 13:59:10,239 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 342) no Hoare annotation was computed. [2022-11-23 13:59:10,239 INFO L899 garLoopResultBuilder]: For program point L374-1(lines 374 379) no Hoare annotation was computed. [2022-11-23 13:59:10,240 INFO L899 garLoopResultBuilder]: For program point L407-2(lines 407 412) no Hoare annotation was computed. [2022-11-23 13:59:10,240 INFO L895 garLoopResultBuilder]: At program point L374-2(lines 374 379) the Hoare annotation is: false [2022-11-23 13:59:10,240 INFO L899 garLoopResultBuilder]: For program point L341-2(lines 339 350) no Hoare annotation was computed. [2022-11-23 13:59:10,240 INFO L899 garLoopResultBuilder]: For program point L374-3(lines 374 379) no Hoare annotation was computed. [2022-11-23 13:59:10,240 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 508) no Hoare annotation was computed. [2022-11-23 13:59:10,240 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 281) no Hoare annotation was computed. [2022-11-23 13:59:10,241 INFO L895 garLoopResultBuilder]: At program point L276-1(lines 263 562) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_76| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_76|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_76|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_76|)) (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53))) (= |ULTIMATE.start___ieee754_pow_~lx~1#1| ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_76|)) (= |ULTIMATE.start___ieee754_pow_~hx~2#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_76|)))) (not (fp.eq |ULTIMATE.start___ieee754_pow_~y#1| (_ +zero 11 53))) (= ~one_pow~0 ((_ to_fp 11 53) currentRoundingMode 1.0)) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) |ULTIMATE.start_main_~x~0#1|)) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_pow_~x#1| (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53))))) [2022-11-23 13:59:10,241 INFO L899 garLoopResultBuilder]: For program point L276-2(lines 276 281) no Hoare annotation was computed. [2022-11-23 13:59:10,241 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 348) no Hoare annotation was computed. [2022-11-23 13:59:10,241 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 192) no Hoare annotation was computed. [2022-11-23 13:59:10,241 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 46 51) no Hoare annotation was computed. [2022-11-23 13:59:10,241 INFO L895 garLoopResultBuilder]: At program point L46-2(lines 46 51) the Hoare annotation is: false [2022-11-23 13:59:10,241 INFO L899 garLoopResultBuilder]: For program point L46-3(lines 46 51) no Hoare annotation was computed. [2022-11-23 13:59:10,241 INFO L899 garLoopResultBuilder]: For program point L443-1(lines 443 448) no Hoare annotation was computed. [2022-11-23 13:59:10,242 INFO L895 garLoopResultBuilder]: At program point L443-2(lines 443 448) the Hoare annotation is: false [2022-11-23 13:59:10,242 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 347) no Hoare annotation was computed. [2022-11-23 13:59:10,242 INFO L899 garLoopResultBuilder]: For program point L443-3(lines 443 448) no Hoare annotation was computed. [2022-11-23 13:59:10,242 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 85) no Hoare annotation was computed. [2022-11-23 13:59:10,242 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 478) no Hoare annotation was computed. [2022-11-23 13:59:10,242 INFO L899 garLoopResultBuilder]: For program point L477-2(lines 477 478) no Hoare annotation was computed. [2022-11-23 13:59:10,242 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 218) no Hoare annotation was computed. [2022-11-23 13:59:10,242 INFO L899 garLoopResultBuilder]: For program point L180(lines 180 191) no Hoare annotation was computed. [2022-11-23 13:59:10,244 INFO L895 garLoopResultBuilder]: At program point L213-1(lines 206 220) the Hoare annotation is: false [2022-11-23 13:59:10,244 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 218) no Hoare annotation was computed. [2022-11-23 13:59:10,244 INFO L899 garLoopResultBuilder]: For program point L114(lines 114 119) no Hoare annotation was computed. [2022-11-23 13:59:10,244 INFO L895 garLoopResultBuilder]: At program point L147-2(lines 147 157) the Hoare annotation is: false [2022-11-23 13:59:10,244 INFO L899 garLoopResultBuilder]: For program point L81(lines 81 84) no Hoare annotation was computed. [2022-11-23 13:59:10,245 INFO L899 garLoopResultBuilder]: For program point L114-2(lines 114 119) no Hoare annotation was computed. [2022-11-23 13:59:10,245 INFO L899 garLoopResultBuilder]: For program point L147-3(lines 147 157) no Hoare annotation was computed. [2022-11-23 13:59:10,245 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 347) no Hoare annotation was computed. [2022-11-23 13:59:10,245 INFO L899 garLoopResultBuilder]: For program point L313(lines 313 334) no Hoare annotation was computed. [2022-11-23 13:59:10,245 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 118) no Hoare annotation was computed. [2022-11-23 13:59:10,245 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: false [2022-11-23 13:59:10,245 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2022-11-23 13:59:10,246 INFO L899 garLoopResultBuilder]: For program point L314(lines 314 321) no Hoare annotation was computed. [2022-11-23 13:59:10,246 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 190) no Hoare annotation was computed. [2022-11-23 13:59:10,246 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 153) no Hoare annotation was computed. [2022-11-23 13:59:10,246 INFO L899 garLoopResultBuilder]: For program point L149-2(lines 149 153) no Hoare annotation was computed. [2022-11-23 13:59:10,246 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 588) no Hoare annotation was computed. [2022-11-23 13:59:10,246 INFO L899 garLoopResultBuilder]: For program point L546-1(lines 546 550) no Hoare annotation was computed. [2022-11-23 13:59:10,246 INFO L899 garLoopResultBuilder]: For program point L579-2(lines 579 588) no Hoare annotation was computed. [2022-11-23 13:59:10,247 INFO L895 garLoopResultBuilder]: At program point L546-2(lines 546 550) the Hoare annotation is: false [2022-11-23 13:59:10,247 INFO L899 garLoopResultBuilder]: For program point L546-3(lines 546 550) no Hoare annotation was computed. [2022-11-23 13:59:10,247 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 320) no Hoare annotation was computed. [2022-11-23 13:59:10,247 INFO L899 garLoopResultBuilder]: For program point L117(lines 117 118) no Hoare annotation was computed. [2022-11-23 13:59:10,247 INFO L895 garLoopResultBuilder]: At program point L84(line 84) the Hoare annotation is: false [2022-11-23 13:59:10,248 INFO L899 garLoopResultBuilder]: For program point L84-1(line 84) no Hoare annotation was computed. [2022-11-23 13:59:10,248 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 481 486) no Hoare annotation was computed. [2022-11-23 13:59:10,248 INFO L895 garLoopResultBuilder]: At program point L481-2(lines 481 486) the Hoare annotation is: false [2022-11-23 13:59:10,248 INFO L899 garLoopResultBuilder]: For program point L481-3(lines 481 486) no Hoare annotation was computed. [2022-11-23 13:59:10,248 INFO L899 garLoopResultBuilder]: For program point L515(lines 515 529) no Hoare annotation was computed. [2022-11-23 13:59:10,249 INFO L899 garLoopResultBuilder]: For program point L515-2(lines 515 529) no Hoare annotation was computed. [2022-11-23 13:59:10,249 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 13:59:10,249 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 320) no Hoare annotation was computed. [2022-11-23 13:59:10,249 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 190) no Hoare annotation was computed. [2022-11-23 13:59:10,249 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 65) no Hoare annotation was computed. [2022-11-23 13:59:10,250 INFO L899 garLoopResultBuilder]: For program point L53-2(lines 44 94) no Hoare annotation was computed. [2022-11-23 13:59:10,250 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 286) no Hoare annotation was computed. [2022-11-23 13:59:10,250 INFO L895 garLoopResultBuilder]: At program point L219(lines 206 220) the Hoare annotation is: false [2022-11-23 13:59:10,250 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 187) no Hoare annotation was computed. [2022-11-23 13:59:10,250 INFO L899 garLoopResultBuilder]: For program point L186-2(lines 186 187) no Hoare annotation was computed. [2022-11-23 13:59:10,251 INFO L899 garLoopResultBuilder]: For program point L54(lines 54 55) no Hoare annotation was computed. [2022-11-23 13:59:10,251 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 87 92) no Hoare annotation was computed. [2022-11-23 13:59:10,251 INFO L895 garLoopResultBuilder]: At program point L87-2(lines 87 92) the Hoare annotation is: false [2022-11-23 13:59:10,251 INFO L899 garLoopResultBuilder]: For program point L87-3(lines 87 92) no Hoare annotation was computed. [2022-11-23 13:59:10,251 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 393) no Hoare annotation was computed. [2022-11-23 13:59:10,252 INFO L899 garLoopResultBuilder]: For program point L418-1(lines 418 423) no Hoare annotation was computed. [2022-11-23 13:59:10,252 INFO L899 garLoopResultBuilder]: For program point L385-1(lines 385 393) no Hoare annotation was computed. [2022-11-23 13:59:10,252 INFO L895 garLoopResultBuilder]: At program point L418-2(lines 418 423) the Hoare annotation is: false [2022-11-23 13:59:10,252 INFO L899 garLoopResultBuilder]: For program point L418-3(lines 418 423) no Hoare annotation was computed. [2022-11-23 13:59:10,252 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 587) no Hoare annotation was computed. [2022-11-23 13:59:10,253 INFO L899 garLoopResultBuilder]: For program point L122(lines 122 133) no Hoare annotation was computed. [2022-11-23 13:59:10,253 INFO L899 garLoopResultBuilder]: For program point L122-2(lines 122 133) no Hoare annotation was computed. [2022-11-23 13:59:10,253 INFO L899 garLoopResultBuilder]: For program point L585(line 585) no Hoare annotation was computed. [2022-11-23 13:59:10,253 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 560) no Hoare annotation was computed. [2022-11-23 13:59:10,253 INFO L899 garLoopResultBuilder]: For program point L519-1(lines 519 524) no Hoare annotation was computed. [2022-11-23 13:59:10,254 INFO L895 garLoopResultBuilder]: At program point L519-2(lines 519 524) the Hoare annotation is: false [2022-11-23 13:59:10,254 INFO L899 garLoopResultBuilder]: For program point L519-3(lines 519 524) no Hoare annotation was computed. [2022-11-23 13:59:10,254 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 294) no Hoare annotation was computed. [2022-11-23 13:59:10,254 INFO L895 garLoopResultBuilder]: At program point L123-2(lines 123 127) the Hoare annotation is: false [2022-11-23 13:59:10,254 INFO L899 garLoopResultBuilder]: For program point L123-3(lines 123 127) no Hoare annotation was computed. [2022-11-23 13:59:10,255 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2022-11-23 13:59:10,255 INFO L895 garLoopResultBuilder]: At program point L57-2(lines 57 61) the Hoare annotation is: false [2022-11-23 13:59:10,255 INFO L899 garLoopResultBuilder]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2022-11-23 13:59:10,255 INFO L899 garLoopResultBuilder]: For program point L388-1(lines 388 392) no Hoare annotation was computed. [2022-11-23 13:59:10,255 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 327) no Hoare annotation was computed. [2022-11-23 13:59:10,256 INFO L895 garLoopResultBuilder]: At program point L388-2(lines 388 392) the Hoare annotation is: false [2022-11-23 13:59:10,256 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 13:59:10,256 INFO L899 garLoopResultBuilder]: For program point L455-1(lines 455 460) no Hoare annotation was computed. [2022-11-23 13:59:10,256 INFO L895 garLoopResultBuilder]: At program point L455-2(lines 455 460) the Hoare annotation is: false [2022-11-23 13:59:10,256 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 474) no Hoare annotation was computed. [2022-11-23 13:59:10,257 INFO L899 garLoopResultBuilder]: For program point L455-3(lines 455 460) no Hoare annotation was computed. [2022-11-23 13:59:10,257 INFO L899 garLoopResultBuilder]: For program point L323(lines 323 326) no Hoare annotation was computed. [2022-11-23 13:59:10,257 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 293) no Hoare annotation was computed. [2022-11-23 13:59:10,257 INFO L899 garLoopResultBuilder]: For program point L356-2(lines 356 474) no Hoare annotation was computed. [2022-11-23 13:59:10,257 INFO L899 garLoopResultBuilder]: For program point L555-1(lines 555 560) no Hoare annotation was computed. [2022-11-23 13:59:10,258 INFO L895 garLoopResultBuilder]: At program point L555-2(lines 555 560) the Hoare annotation is: false [2022-11-23 13:59:10,258 INFO L899 garLoopResultBuilder]: For program point L555-3(lines 552 560) no Hoare annotation was computed. [2022-11-23 13:59:10,258 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 362) no Hoare annotation was computed. [2022-11-23 13:59:10,258 INFO L899 garLoopResultBuilder]: For program point L357-2(lines 356 381) no Hoare annotation was computed. [2022-11-23 13:59:10,258 INFO L895 garLoopResultBuilder]: At program point L93(lines 44 94) the Hoare annotation is: false [2022-11-23 13:59:10,258 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 490 495) no Hoare annotation was computed. [2022-11-23 13:59:10,259 INFO L895 garLoopResultBuilder]: At program point L490-2(lines 490 495) the Hoare annotation is: false [2022-11-23 13:59:10,259 INFO L899 garLoopResultBuilder]: For program point L490-3(lines 263 562) no Hoare annotation was computed. [2022-11-23 13:59:10,259 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 359) no Hoare annotation was computed. [2022-11-23 13:59:10,259 INFO L895 garLoopResultBuilder]: At program point L160-2(lines 160 176) the Hoare annotation is: false [2022-11-23 13:59:10,260 INFO L899 garLoopResultBuilder]: For program point L160-3(lines 97 205) no Hoare annotation was computed. [2022-11-23 13:59:10,260 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-23 13:59:10,260 INFO L902 garLoopResultBuilder]: At program point L590(lines 567 591) the Hoare annotation is: true [2022-11-23 13:59:10,260 INFO L899 garLoopResultBuilder]: For program point L128-2(lines 128 129) no Hoare annotation was computed. [2022-11-23 13:59:10,260 INFO L895 garLoopResultBuilder]: At program point L128-3(lines 128 129) the Hoare annotation is: false [2022-11-23 13:59:10,260 INFO L899 garLoopResultBuilder]: For program point L128-4(lines 128 129) no Hoare annotation was computed. [2022-11-23 13:59:10,261 INFO L899 garLoopResultBuilder]: For program point L426-1(lines 426 431) no Hoare annotation was computed. [2022-11-23 13:59:10,261 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 361) no Hoare annotation was computed. [2022-11-23 13:59:10,261 INFO L895 garLoopResultBuilder]: At program point L426-2(lines 426 431) the Hoare annotation is: false [2022-11-23 13:59:10,261 INFO L899 garLoopResultBuilder]: For program point L426-3(lines 426 431) no Hoare annotation was computed. [2022-11-23 13:59:10,261 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 196) no Hoare annotation was computed. [2022-11-23 13:59:10,262 INFO L899 garLoopResultBuilder]: For program point L195-2(lines 195 196) no Hoare annotation was computed. [2022-11-23 13:59:10,262 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 64) no Hoare annotation was computed. [2022-11-23 13:59:10,262 INFO L899 garLoopResultBuilder]: For program point L526(lines 526 527) no Hoare annotation was computed. [2022-11-23 13:59:10,262 INFO L899 garLoopResultBuilder]: For program point L526-2(lines 526 527) no Hoare annotation was computed. [2022-11-23 13:59:10,262 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 329) no Hoare annotation was computed. [2022-11-23 13:59:10,263 INFO L899 garLoopResultBuilder]: For program point L163(lines 163 172) no Hoare annotation was computed. [2022-11-23 13:59:10,263 INFO L899 garLoopResultBuilder]: For program point L163-2(lines 163 172) no Hoare annotation was computed. [2022-11-23 13:59:10,263 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 311) no Hoare annotation was computed. [2022-11-23 13:59:10,263 INFO L899 garLoopResultBuilder]: For program point L296-1(lines 263 562) no Hoare annotation was computed. [2022-11-23 13:59:10,263 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 13:59:10,264 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 585) no Hoare annotation was computed. [2022-11-23 13:59:10,264 INFO L895 garLoopResultBuilder]: At program point L561(lines 263 562) the Hoare annotation is: (= |ULTIMATE.start___ieee754_pow_#res#1| (_ NaN 11 53)) [2022-11-23 13:59:10,264 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 333) no Hoare annotation was computed. [2022-11-23 13:59:10,264 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 310) no Hoare annotation was computed. [2022-11-23 13:59:10,264 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 166) no Hoare annotation was computed. [2022-11-23 13:59:10,265 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 198 203) no Hoare annotation was computed. [2022-11-23 13:59:10,265 INFO L895 garLoopResultBuilder]: At program point L198-2(lines 198 203) the Hoare annotation is: false [2022-11-23 13:59:10,265 INFO L899 garLoopResultBuilder]: For program point L165-2(lines 165 166) no Hoare annotation was computed. [2022-11-23 13:59:10,265 INFO L899 garLoopResultBuilder]: For program point L198-3(lines 198 203) no Hoare annotation was computed. [2022-11-23 13:59:10,265 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 332) no Hoare annotation was computed. [2022-11-23 13:59:10,266 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 502) no Hoare annotation was computed. [2022-11-23 13:59:10,266 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 406) no Hoare annotation was computed. [2022-11-23 13:59:10,266 INFO L899 garLoopResultBuilder]: For program point L299(lines 299 310) no Hoare annotation was computed. [2022-11-23 13:59:10,270 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:59:10,273 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 13:59:10,289 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_76,QUANTIFIED] [2022-11-23 13:59:10,290 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_76,QUANTIFIED] [2022-11-23 13:59:10,291 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_76,QUANTIFIED] [2022-11-23 13:59:10,291 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:59:10,291 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_76,QUANTIFIED] [2022-11-23 13:59:10,291 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_76,QUANTIFIED] [2022-11-23 13:59:10,292 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:59:10,292 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:59:10,292 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:59:10,294 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_76,QUANTIFIED] [2022-11-23 13:59:10,294 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_76,QUANTIFIED] [2022-11-23 13:59:10,294 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_76,QUANTIFIED] [2022-11-23 13:59:10,294 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:59:10,295 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_76,QUANTIFIED] [2022-11-23 13:59:10,295 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_76,QUANTIFIED] [2022-11-23 13:59:10,295 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:59:10,296 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:59:10,296 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:59:10,298 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:59:10,298 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:59:10,299 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:59:10,299 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:59:10,299 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:59:10,300 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:59:10,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:59:10 BoogieIcfgContainer [2022-11-23 13:59:10,301 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 13:59:10,301 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 13:59:10,302 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 13:59:10,302 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 13:59:10,302 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:54:39" (3/4) ... [2022-11-23 13:59:10,306 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 13:59:10,314 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_double [2022-11-23 13:59:10,326 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-23 13:59:10,326 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-23 13:59:10,326 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 13:59:10,327 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 13:59:10,359 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!~fp.eq~DOUBLE(y, ~Pluszero~LONGDOUBLE()) && one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x)) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) [2022-11-23 13:59:10,405 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 13:59:10,405 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 13:59:10,406 INFO L158 Benchmark]: Toolchain (without parser) took 343348.93ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 51.5MB in the beginning and 35.9MB in the end (delta: 15.6MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2022-11-23 13:59:10,406 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 54.5MB. Free memory is still 32.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 13:59:10,406 INFO L158 Benchmark]: CACSL2BoogieTranslator took 570.83ms. Allocated memory is still 73.4MB. Free memory was 51.3MB in the beginning and 45.9MB in the end (delta: 5.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-23 13:59:10,407 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.05ms. Allocated memory is still 73.4MB. Free memory was 45.9MB in the beginning and 41.4MB in the end (delta: 4.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-23 13:59:10,407 INFO L158 Benchmark]: Boogie Preprocessor took 121.67ms. Allocated memory is still 73.4MB. Free memory was 41.4MB in the beginning and 36.4MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 13:59:10,408 INFO L158 Benchmark]: RCFGBuilder took 71195.35ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 36.4MB in the beginning and 50.4MB in the end (delta: -14.0MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2022-11-23 13:59:10,408 INFO L158 Benchmark]: TraceAbstraction took 271281.84ms. Allocated memory is still 88.1MB. Free memory was 49.5MB in the beginning and 41.6MB in the end (delta: 7.9MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2022-11-23 13:59:10,408 INFO L158 Benchmark]: Witness Printer took 103.71ms. Allocated memory is still 88.1MB. Free memory was 41.6MB in the beginning and 35.9MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 13:59:10,411 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 54.5MB. Free memory is still 32.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 570.83ms. Allocated memory is still 73.4MB. Free memory was 51.3MB in the beginning and 45.9MB in the end (delta: 5.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.05ms. Allocated memory is still 73.4MB. Free memory was 45.9MB in the beginning and 41.4MB in the end (delta: 4.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 121.67ms. Allocated memory is still 73.4MB. Free memory was 41.4MB in the beginning and 36.4MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 71195.35ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 36.4MB in the beginning and 50.4MB in the end (delta: -14.0MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * TraceAbstraction took 271281.84ms. Allocated memory is still 88.1MB. Free memory was 49.5MB in the beginning and 41.6MB in the end (delta: 7.9MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Witness Printer took 103.71ms. Allocated memory is still 88.1MB. Free memory was 41.6MB in the beginning and 35.9MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * 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: 585]: 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 2 procedures, 193 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 271.2s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 240.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 73 mSolverCounterUnknown, 2121 SdHoareTripleChecker+Valid, 225.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2121 mSDsluCounter, 4200 SdHoareTripleChecker+Invalid, 213.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2766 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 219 IncrementalHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 1434 mSDtfsCounter, 219 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 122 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 24.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=193occurred in iteration=0, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 39 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 73 PreInvPairs, 82 NumberOfFragments, 123 HoareAnnotationTreeSize, 73 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 41 FomulaSimplificationsInter, 170 FormulaSimplificationTreeSizeReductionInter, 6.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 19.0s InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 104 ConstructedInterpolants, 20 QuantifiedInterpolants, 795 SizeOfPredicates, 47 NumberOfNonLiveVariables, 888 ConjunctsInSsa, 66 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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: 44]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: \result == ~NaN~LONGDOUBLE() - InvariantResult [Line: 467]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant [2022-11-23 13:59:10,423 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_76,QUANTIFIED] [2022-11-23 13:59:10,423 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_76,QUANTIFIED] [2022-11-23 13:59:10,423 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_76,QUANTIFIED] [2022-11-23 13:59:10,423 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:59:10,424 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_76,QUANTIFIED] [2022-11-23 13:59:10,424 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_76,QUANTIFIED] [2022-11-23 13:59:10,424 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:59:10,424 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:59:10,424 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:59:10,425 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_76,QUANTIFIED] [2022-11-23 13:59:10,425 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_76,QUANTIFIED] [2022-11-23 13:59:10,426 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_76,QUANTIFIED] [2022-11-23 13:59:10,426 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:59:10,426 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_76,QUANTIFIED] [2022-11-23 13:59:10,426 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_76,QUANTIFIED] [2022-11-23 13:59:10,427 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:59:10,427 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:59:10,427 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (((((\exists v_skolemized_q#valueAsBitvector_76 : bv64, currentRoundingMode : FloatRoundingMode :: (~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_76[63:63], v_skolemized_q#valueAsBitvector_76[62:52], v_skolemized_q#valueAsBitvector_76[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) && lx == v_skolemized_q#valueAsBitvector_76[31:0]) && hx == v_skolemized_q#valueAsBitvector_76[63:32]) && !~fp.eq~DOUBLE(y, ~Pluszero~LONGDOUBLE())) && one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x)) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 481]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 490]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 531]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 546]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 388]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 374]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 1bv32 == \result && \result == ~NaN~LONGDOUBLE() - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 270]: Loop Invariant [2022-11-23 13:59:10,433 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:59:10,433 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:59:10,433 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:59:10,434 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-23 13:59:10,434 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 13:59:10,434 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (((!~fp.eq~DOUBLE(y, ~Pluszero~LONGDOUBLE()) && one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x)) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 426]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-23 13:59:10,651 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-23 13:59:10,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a214458-9180-42a4-851d-314b21493f40/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE