./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 e04fb08f 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_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0870b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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-e04fb08 [2022-11-16 11:09:47,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:09:47,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:09:47,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:09:47,804 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:09:47,805 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:09:47,807 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:09:47,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:09:47,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:09:47,812 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:09:47,813 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:09:47,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:09:47,815 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:09:47,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:09:47,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:09:47,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:09:47,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:09:47,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:09:47,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:09:47,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:09:47,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:09:47,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:09:47,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:09:47,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:09:47,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:09:47,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:09:47,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:09:47,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:09:47,843 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:09:47,844 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:09:47,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:09:47,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:09:47,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:09:47,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:09:47,849 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:09:47,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:09:47,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:09:47,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:09:47,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:09:47,853 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:09:47,854 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:09:47,855 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:09:47,892 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:09:47,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:09:47,893 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:09:47,893 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:09:47,894 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:09:47,894 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:09:47,895 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:09:47,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:09:47,896 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:09:47,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:09:47,896 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:09:47,897 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:09:47,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:09:47,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:09:47,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:09:47,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:09:47,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:09:47,898 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:09:47,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:09:47,899 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:09:47,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:09:47,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:09:47,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:09:47,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:09:47,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:09:47,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:09:47,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:09:47,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:09:47,901 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:09:47,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:09:47,902 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:09:47,902 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:09:47,902 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:09:47,903 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_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0eb8afc8d7818fa0271ce015ce884b6780ab63de83244d090d51fa572cb54f7 [2022-11-16 11:09:48,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:09:48,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:09:48,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:09:48,296 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:09:48,297 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:09:48,299 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/float-newlib/double_req_bl_0870b.c [2022-11-16 11:09:48,374 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/data/6fab08bb8/ca24b7fc67374828a9bbf9ac5e8da8e1/FLAG1952494b3 [2022-11-16 11:09:48,934 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:09:48,935 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/sv-benchmarks/c/float-newlib/double_req_bl_0870b.c [2022-11-16 11:09:48,945 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/data/6fab08bb8/ca24b7fc67374828a9bbf9ac5e8da8e1/FLAG1952494b3 [2022-11-16 11:09:49,281 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/data/6fab08bb8/ca24b7fc67374828a9bbf9ac5e8da8e1 [2022-11-16 11:09:49,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:09:49,289 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:09:49,293 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:09:49,293 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:09:49,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:09:49,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:09:49" (1/1) ... [2022-11-16 11:09:49,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73d5f6da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:49, skipping insertion in model container [2022-11-16 11:09:49,300 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:09:49" (1/1) ... [2022-11-16 11:09:49,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:09:49,369 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:09:49,650 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:794) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1819) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$59(StandardFunctionHandler.java:417) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1451) 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:2043) 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:1654) 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:1085) 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:1631) 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:1085) 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:1474) 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:3268) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2365) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) 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) [2022-11-16 11:09:49,655 INFO L158 Benchmark]: Toolchain (without parser) took 365.69ms. Allocated memory is still 127.9MB. Free memory was 81.8MB in the beginning and 98.9MB in the end (delta: -17.0MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2022-11-16 11:09:49,656 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 127.9MB. Free memory was 98.6MB in the beginning and 98.6MB in the end (delta: 69.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:09:49,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.76ms. Allocated memory is still 127.9MB. Free memory was 81.6MB in the beginning and 98.9MB in the end (delta: -17.2MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2022-11-16 11:09:49,659 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 127.9MB. Free memory was 98.6MB in the beginning and 98.6MB in the end (delta: 69.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.76ms. Allocated memory is still 127.9MB. Free memory was 81.6MB in the beginning and 98.9MB in the end (delta: -17.2MB). Peak memory consumption was 10.8MB. 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:794) 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_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0870b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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-e04fb08 [2022-11-16 11:09:51,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:09:51,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:09:51,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:09:51,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:09:51,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:09:51,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:09:51,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:09:51,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:09:51,870 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:09:51,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:09:51,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:09:51,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:09:51,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:09:51,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:09:51,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:09:51,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:09:51,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:09:51,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:09:51,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:09:51,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:09:51,900 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:09:51,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:09:51,906 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:09:51,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:09:51,913 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:09:51,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:09:51,914 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:09:51,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:09:51,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:09:51,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:09:51,918 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:09:51,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:09:51,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:09:51,922 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:09:51,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:09:51,923 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:09:51,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:09:51,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:09:51,925 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:09:51,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:09:51,928 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2022-11-16 11:09:51,963 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:09:51,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:09:51,965 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:09:51,965 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:09:51,966 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:09:51,966 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:09:51,967 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:09:51,967 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:09:51,968 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:09:51,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:09:51,969 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:09:51,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:09:51,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:09:51,969 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:09:51,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:09:51,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:09:51,970 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 11:09:51,970 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 11:09:51,970 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 11:09:51,971 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:09:51,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:09:51,971 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:09:51,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:09:51,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:09:51,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:09:51,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:09:51,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:09:51,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:09:51,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:09:51,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:09:51,973 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 11:09:51,973 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 11:09:51,973 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:09:51,973 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:09:51,974 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:09:51,974 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 11:09:51,974 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_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0eb8afc8d7818fa0271ce015ce884b6780ab63de83244d090d51fa572cb54f7 [2022-11-16 11:09:52,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:09:52,429 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:09:52,432 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:09:52,433 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:09:52,434 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:09:52,435 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/float-newlib/double_req_bl_0870b.c [2022-11-16 11:09:52,518 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/data/99a34fac5/b62ce682e718450a95eeb4b88a011c0a/FLAG73e60ce6b [2022-11-16 11:09:53,027 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:09:53,027 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/sv-benchmarks/c/float-newlib/double_req_bl_0870b.c [2022-11-16 11:09:53,044 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/data/99a34fac5/b62ce682e718450a95eeb4b88a011c0a/FLAG73e60ce6b [2022-11-16 11:09:53,369 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/data/99a34fac5/b62ce682e718450a95eeb4b88a011c0a [2022-11-16 11:09:53,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:09:53,373 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:09:53,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:09:53,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:09:53,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:09:53,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:09:53" (1/1) ... [2022-11-16 11:09:53,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33a6075c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:53, skipping insertion in model container [2022-11-16 11:09:53,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:09:53" (1/1) ... [2022-11-16 11:09:53,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:09:53,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:09:53,733 WARN L229 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_4e194576-bfba-4cc8-8e68-f63614198675/sv-benchmarks/c/float-newlib/double_req_bl_0870b.c[14187,14200] [2022-11-16 11:09:53,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:09:53,749 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:09:53,856 WARN L229 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_4e194576-bfba-4cc8-8e68-f63614198675/sv-benchmarks/c/float-newlib/double_req_bl_0870b.c[14187,14200] [2022-11-16 11:09:53,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:09:53,907 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:09:53,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:53 WrapperNode [2022-11-16 11:09:53,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:09:53,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:09:53,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:09:53,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:09:53,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:53" (1/1) ... [2022-11-16 11:09:53,955 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:53" (1/1) ... [2022-11-16 11:09:54,017 INFO L138 Inliner]: procedures = 25, calls = 159, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 738 [2022-11-16 11:09:54,018 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:09:54,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:09:54,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:09:54,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:09:54,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:53" (1/1) ... [2022-11-16 11:09:54,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:53" (1/1) ... [2022-11-16 11:09:54,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:53" (1/1) ... [2022-11-16 11:09:54,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:53" (1/1) ... [2022-11-16 11:09:54,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:53" (1/1) ... [2022-11-16 11:09:54,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:53" (1/1) ... [2022-11-16 11:09:54,083 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:53" (1/1) ... [2022-11-16 11:09:54,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:53" (1/1) ... [2022-11-16 11:09:54,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:09:54,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:09:54,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:09:54,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:09:54,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:53" (1/1) ... [2022-11-16 11:09:54,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:09:54,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:09:54,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:09:54,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:09:54,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:09:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-11-16 11:09:54,240 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2022-11-16 11:09:54,242 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2022-11-16 11:09:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-11-16 11:09:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-16 11:09:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:09:54,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2022-11-16 11:09:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-16 11:09:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:09:54,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:09:54,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-16 11:09:54,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:09:54,438 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:09:54,440 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:11:03,863 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:11:03,874 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:11:03,874 INFO L300 CfgBuilder]: Removed 58 assume(true) statements. [2022-11-16 11:11:03,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:11:03 BoogieIcfgContainer [2022-11-16 11:11:03,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:11:03,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:11:03,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:11:03,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:11:03,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:09:53" (1/3) ... [2022-11-16 11:11:03,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4da8d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:11:03, skipping insertion in model container [2022-11-16 11:11:03,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:09:53" (2/3) ... [2022-11-16 11:11:03,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a4da8d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:11:03, skipping insertion in model container [2022-11-16 11:11:03,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:11:03" (3/3) ... [2022-11-16 11:11:03,914 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0870b.c [2022-11-16 11:11:03,934 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:11:03,934 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:11:03,990 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:11:03,999 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=PETRI_NET, 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;@2ca1c7f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:11:03,999 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:11:04,004 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) [2022-11-16 11:11:04,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 11:11:04,011 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:11:04,012 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:11:04,012 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:11:04,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:11:04,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1212043320, now seen corresponding path program 1 times [2022-11-16 11:11:04,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:11:04,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [865660322] [2022-11-16 11:11:04,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:11:04,032 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 [2022-11-16 11:11:04,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:11:04,039 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:11:04,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:11:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:04,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-16 11:11:04,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:11:04,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:11:04,470 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:11:04,470 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:11:04,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [865660322] [2022-11-16 11:11:04,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [865660322] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:11:04,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:11:04,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:11:04,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179060833] [2022-11-16 11:11:04,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:11:04,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:11:04,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:11:04,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:11:04,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:11:04,530 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) [2022-11-16 11:11:04,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:11:04,601 INFO L93 Difference]: Finished difference Result 383 states and 653 transitions. [2022-11-16 11:11:04,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:11:04,604 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 [2022-11-16 11:11:04,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:11:04,621 INFO L225 Difference]: With dead ends: 383 [2022-11-16 11:11:04,622 INFO L226 Difference]: Without dead ends: 189 [2022-11-16 11:11:04,626 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 [2022-11-16 11:11:04,630 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 [2022-11-16 11:11:04,632 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] [2022-11-16 11:11:04,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-11-16 11:11:04,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2022-11-16 11:11:04,710 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) [2022-11-16 11:11:04,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 263 transitions. [2022-11-16 11:11:04,724 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 263 transitions. Word has length 11 [2022-11-16 11:11:04,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:11:04,725 INFO L495 AbstractCegarLoop]: Abstraction has 189 states and 263 transitions. [2022-11-16 11:11:04,725 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) [2022-11-16 11:11:04,725 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 263 transitions. [2022-11-16 11:11:04,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 11:11:04,727 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:11:04,727 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:11:04,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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)] Ended with exit code 0 [2022-11-16 11:11:04,947 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:11:04,947 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:11:04,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:11:04,948 INFO L85 PathProgramCache]: Analyzing trace with hash 14263797, now seen corresponding path program 1 times [2022-11-16 11:11:04,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:11:04,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [885400109] [2022-11-16 11:11:04,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:11:04,949 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 [2022-11-16 11:11:04,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:11:04,951 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:11:04,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:11:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:05,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-16 11:11:05,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:11:08,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:11:08,579 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:11:08,579 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:11:08,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [885400109] [2022-11-16 11:11:08,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [885400109] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:11:08,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:11:08,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:11:08,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773485192] [2022-11-16 11:11:08,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:11:08,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:11:08,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:11:08,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:11:08,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2022-11-16 11:11:08,594 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) [2022-11-16 11:11:13,457 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 [] [2022-11-16 11:11:13,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:11:13,467 INFO L93 Difference]: Finished difference Result 194 states and 267 transitions. [2022-11-16 11:11:13,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:11:13,601 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 [2022-11-16 11:11:13,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:11:13,602 INFO L225 Difference]: With dead ends: 194 [2022-11-16 11:11:13,602 INFO L226 Difference]: Without dead ends: 189 [2022-11-16 11:11:13,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=11, Invalid=17, Unknown=2, NotChecked=0, Total=30 [2022-11-16 11:11:13,604 INFO L413 NwaCegarLoop]: 259 mSDtfsCounter, 2 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 978 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 52 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-16 11:11:13,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 978 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 52 Unchecked, 2.6s Time] [2022-11-16 11:11:13,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-11-16 11:11:13,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2022-11-16 11:11:13,614 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) [2022-11-16 11:11:13,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 262 transitions. [2022-11-16 11:11:13,616 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 262 transitions. Word has length 13 [2022-11-16 11:11:13,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:11:13,618 INFO L495 AbstractCegarLoop]: Abstraction has 189 states and 262 transitions. [2022-11-16 11:11:13,619 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) [2022-11-16 11:11:13,619 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 262 transitions. [2022-11-16 11:11:13,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-16 11:11:13,620 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:11:13,621 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:11:13,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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)] Forceful destruction successful, exit code 0 [2022-11-16 11:11:13,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:11:13,827 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:11:13,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:11:13,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1883828294, now seen corresponding path program 1 times [2022-11-16 11:11:13,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:11:13,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [937841158] [2022-11-16 11:11:13,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:11:13,829 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 [2022-11-16 11:11:13,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:11:13,830 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:11:13,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:11:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:14,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 11:11:14,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:11:16,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:11:16,012 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:11:16,012 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:11:16,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [937841158] [2022-11-16 11:11:16,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [937841158] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:11:16,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:11:16,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:11:16,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581714892] [2022-11-16 11:11:16,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:11:16,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:11:16,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:11:16,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:11:16,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:11:16,015 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) [2022-11-16 11:11:16,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:11:16,040 INFO L93 Difference]: Finished difference Result 194 states and 266 transitions. [2022-11-16 11:11:16,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:11:16,040 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 [2022-11-16 11:11:16,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:11:16,041 INFO L225 Difference]: With dead ends: 194 [2022-11-16 11:11:16,042 INFO L226 Difference]: Without dead ends: 189 [2022-11-16 11:11:16,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:11:16,053 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 0 mSDsluCounter, 976 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1231 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 45 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:11:16,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1231 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 45 Unchecked, 0.0s Time] [2022-11-16 11:11:16,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2022-11-16 11:11:16,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2022-11-16 11:11:16,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 184 states have (on average 1.3858695652173914) internal successors, (255), 184 states have internal predecessors, (255), 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) [2022-11-16 11:11:16,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 261 transitions. [2022-11-16 11:11:16,076 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 261 transitions. Word has length 15 [2022-11-16 11:11:16,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:11:16,076 INFO L495 AbstractCegarLoop]: Abstraction has 189 states and 261 transitions. [2022-11-16 11:11:16,077 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) [2022-11-16 11:11:16,079 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 261 transitions. [2022-11-16 11:11:16,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-16 11:11:16,080 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:11:16,080 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:11:16,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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)] Forceful destruction successful, exit code 0 [2022-11-16 11:11:16,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:11:16,299 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:11:16,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:11:16,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1881981252, now seen corresponding path program 1 times [2022-11-16 11:11:16,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:11:16,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [393184332] [2022-11-16 11:11:16,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:11:16,300 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 [2022-11-16 11:11:16,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:11:16,302 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:11:16,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:11:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:16,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-16 11:11:16,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:11:17,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:11:17,559 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:11:17,560 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:11:17,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [393184332] [2022-11-16 11:11:17,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [393184332] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:11:17,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:11:17,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:11:17,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101411852] [2022-11-16 11:11:17,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:11:17,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:11:17,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:11:17,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:11:17,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:11:17,563 INFO L87 Difference]: Start difference. First operand 189 states and 261 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) [2022-11-16 11:11:19,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:11:22,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.84s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:11:24,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:11:26,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:11:28,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:11:30,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:11:32,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:11:35,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:11:37,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:11:39,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:11:42,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:11:44,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:11:44,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:11:44,475 INFO L93 Difference]: Finished difference Result 194 states and 265 transitions. [2022-11-16 11:11:44,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:11:44,513 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 [2022-11-16 11:11:44,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:11:44,515 INFO L225 Difference]: With dead ends: 194 [2022-11-16 11:11:44,515 INFO L226 Difference]: Without dead ends: 188 [2022-11-16 11:11:44,515 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 [2022-11-16 11:11:44,516 INFO L413 NwaCegarLoop]: 259 mSDtfsCounter, 3 mSDsluCounter, 756 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1015 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.4s IncrementalHoareTripleChecker+Time [2022-11-16 11:11:44,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1015 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 10 Unknown, 0 Unchecked, 26.4s Time] [2022-11-16 11:11:44,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2022-11-16 11:11:44,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2022-11-16 11:11:44,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 183 states have (on average 1.3770491803278688) internal successors, (252), 183 states have internal predecessors, (252), 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) [2022-11-16 11:11:44,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 258 transitions. [2022-11-16 11:11:44,536 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 258 transitions. Word has length 15 [2022-11-16 11:11:44,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:11:44,536 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 258 transitions. [2022-11-16 11:11:44,536 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) [2022-11-16 11:11:44,536 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 258 transitions. [2022-11-16 11:11:44,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-16 11:11:44,537 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:11:44,537 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:11:44,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:11:44,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:11:44,738 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:11:44,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:11:44,738 INFO L85 PathProgramCache]: Analyzing trace with hash -180982521, now seen corresponding path program 1 times [2022-11-16 11:11:44,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:11:44,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [243184812] [2022-11-16 11:11:44,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:11:44,739 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 [2022-11-16 11:11:44,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:11:44,740 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:11:44,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:11:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:45,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-16 11:11:45,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:11:50,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:11:50,043 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:11:50,044 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:11:50,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [243184812] [2022-11-16 11:11:50,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [243184812] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:11:50,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:11:50,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:11:50,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277089267] [2022-11-16 11:11:50,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:11:50,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 11:11:50,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:11:50,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 11:11:50,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=29, Unknown=1, NotChecked=0, Total=42 [2022-11-16 11:11:50,046 INFO L87 Difference]: Start difference. First operand 188 states and 258 transitions. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:11:50,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:11:50,070 INFO L93 Difference]: Finished difference Result 261 states and 364 transitions. [2022-11-16 11:11:50,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:11:50,071 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-16 11:11:50,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:11:50,072 INFO L225 Difference]: With dead ends: 261 [2022-11-16 11:11:50,073 INFO L226 Difference]: Without dead ends: 256 [2022-11-16 11:11:50,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=12, Invalid=29, Unknown=1, NotChecked=0, Total=42 [2022-11-16 11:11:50,074 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 91 mSDsluCounter, 1163 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 1410 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 64 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:11:50,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 1410 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 64 Unchecked, 0.0s Time] [2022-11-16 11:11:50,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-11-16 11:11:50,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 191. [2022-11-16 11:11:50,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 186 states have (on average 1.381720430107527) internal successors, (257), 186 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) [2022-11-16 11:11:50,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 263 transitions. [2022-11-16 11:11:50,086 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 263 transitions. Word has length 18 [2022-11-16 11:11:50,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:11:50,086 INFO L495 AbstractCegarLoop]: Abstraction has 191 states and 263 transitions. [2022-11-16 11:11:50,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:11:50,087 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 263 transitions. [2022-11-16 11:11:50,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 11:11:50,087 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:11:50,088 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:11:50,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:11:50,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:11:50,305 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:11:50,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:11:50,305 INFO L85 PathProgramCache]: Analyzing trace with hash 190170818, now seen corresponding path program 1 times [2022-11-16 11:11:50,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:11:50,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [524206741] [2022-11-16 11:11:50,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:11:50,306 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 [2022-11-16 11:11:50,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:11:50,307 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:11:50,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:11:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:50,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 11:11:50,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:11:52,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:11:52,807 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:11:52,807 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:11:52,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [524206741] [2022-11-16 11:11:52,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [524206741] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:11:52,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:11:52,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:11:52,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707186931] [2022-11-16 11:11:52,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:11:52,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:11:52,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:11:52,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:11:52,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:11:52,810 INFO L87 Difference]: Start difference. First operand 191 states and 263 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) [2022-11-16 11:11:52,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:11:52,827 INFO L93 Difference]: Finished difference Result 207 states and 282 transitions. [2022-11-16 11:11:52,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:11:52,827 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 [2022-11-16 11:11:52,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:11:52,829 INFO L225 Difference]: With dead ends: 207 [2022-11-16 11:11:52,829 INFO L226 Difference]: Without dead ends: 202 [2022-11-16 11:11:52,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:11:52,831 INFO L413 NwaCegarLoop]: 244 mSDtfsCounter, 102 mSDsluCounter, 847 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 1091 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 40 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:11:52,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 1091 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 40 Unchecked, 0.0s Time] [2022-11-16 11:11:52,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2022-11-16 11:11:52,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 188. [2022-11-16 11:11:52,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 183 states have (on average 1.3715846994535519) internal successors, (251), 183 states have internal predecessors, (251), 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) [2022-11-16 11:11:52,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 257 transitions. [2022-11-16 11:11:52,841 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 257 transitions. Word has length 19 [2022-11-16 11:11:52,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:11:52,845 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 257 transitions. [2022-11-16 11:11:52,845 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) [2022-11-16 11:11:52,845 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 257 transitions. [2022-11-16 11:11:52,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 11:11:52,847 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:11:52,847 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:11:52,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:11:53,064 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:11:53,064 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:11:53,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:11:53,065 INFO L85 PathProgramCache]: Analyzing trace with hash 683604656, now seen corresponding path program 1 times [2022-11-16 11:11:53,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:11:53,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [483901315] [2022-11-16 11:11:53,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:11:53,065 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 [2022-11-16 11:11:53,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:11:53,066 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:11:53,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:11:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:53,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-16 11:11:53,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:11:56,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:11:56,705 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:11:56,705 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:11:56,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [483901315] [2022-11-16 11:11:56,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [483901315] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:11:56,705 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:11:56,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 11:11:56,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467399097] [2022-11-16 11:11:56,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:11:56,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 11:11:56,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:11:56,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 11:11:56,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:11:56,710 INFO L87 Difference]: Start difference. First operand 188 states and 257 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) [2022-11-16 11:12:00,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:01,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:06,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:09,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:12,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.86s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:14,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:16,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:18,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:21,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.81s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:25,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.83s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:27,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:30,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:34,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:36,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:40,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:43,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.49s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:45,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:50,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.82s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:52,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:55,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:57,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:00,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:02,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:04,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:06,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:08,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:10,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:13,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:15,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:17,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:20,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:22,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:24,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:27,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:29,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:31,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:33,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:40,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:42,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:43,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:45,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:49,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:51,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:53,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:55,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:57,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:59,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:01,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:03,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:06,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:08,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:10,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:10,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:14:10,369 INFO L93 Difference]: Finished difference Result 209 states and 281 transitions. [2022-11-16 11:14:10,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 11:14:10,412 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 [2022-11-16 11:14:10,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:14:10,414 INFO L225 Difference]: With dead ends: 209 [2022-11-16 11:14:10,414 INFO L226 Difference]: Without dead ends: 203 [2022-11-16 11:14:10,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:14:10,415 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 268 mSDsluCounter, 923 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 49 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 126.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 1165 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 49 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 131.5s IncrementalHoareTripleChecker+Time [2022-11-16 11:14:10,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 1165 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 49 Unknown, 0 Unchecked, 131.5s Time] [2022-11-16 11:14:10,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2022-11-16 11:14:10,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 187. [2022-11-16 11:14:10,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 182 states have (on average 1.3571428571428572) internal successors, (247), 182 states have internal predecessors, (247), 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) [2022-11-16 11:14:10,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 253 transitions. [2022-11-16 11:14:10,426 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 253 transitions. Word has length 19 [2022-11-16 11:14:10,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:14:10,426 INFO L495 AbstractCegarLoop]: Abstraction has 187 states and 253 transitions. [2022-11-16 11:14:10,426 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) [2022-11-16 11:14:10,427 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 253 transitions. [2022-11-16 11:14:10,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 11:14:10,428 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:14:10,428 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:14:10,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:14:10,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:14:10,640 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:14:10,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:14:10,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1878900348, now seen corresponding path program 1 times [2022-11-16 11:14:10,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:14:10,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1054547968] [2022-11-16 11:14:10,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:14:10,641 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 [2022-11-16 11:14:10,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:14:10,642 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:14:10,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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 (9)] Waiting until timeout for monitored process [2022-11-16 11:14:10,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:14:10,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-16 11:14:10,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:14:13,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:14:13,258 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:14:13,258 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:14:13,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1054547968] [2022-11-16 11:14:13,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1054547968] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:14:13,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:14:13,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 11:14:13,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454346315] [2022-11-16 11:14:13,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:14:13,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 11:14:13,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:14:13,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 11:14:13,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:14:13,261 INFO L87 Difference]: Start difference. First operand 187 states and 253 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) [2022-11-16 11:14:13,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:14:13,266 INFO L93 Difference]: Finished difference Result 187 states and 253 transitions. [2022-11-16 11:14:13,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 11:14:13,266 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 [2022-11-16 11:14:13,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:14:13,267 INFO L225 Difference]: With dead ends: 187 [2022-11-16 11:14:13,267 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 11:14:13,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:14:13,268 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:14:13,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 3 Unchecked, 0.0s Time] [2022-11-16 11:14:13,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 11:14:13,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 11:14:13,270 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) [2022-11-16 11:14:13,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 11:14:13,270 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2022-11-16 11:14:13,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:14:13,271 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:14:13,271 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) [2022-11-16 11:14:13,271 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:14:13,271 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 11:14:13,274 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:14:13,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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 (9)] Forceful destruction successful, exit code 0 [2022-11-16 11:14:13,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:14:13,497 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 11:14:18,766 INFO L899 garLoopResultBuilder]: For program point L31(lines 31 36) no Hoare annotation was computed. [2022-11-16 11:14:18,766 INFO L902 garLoopResultBuilder]: At program point L31-1(lines 19 38) the Hoare annotation is: true [2022-11-16 11:14:18,767 INFO L899 garLoopResultBuilder]: For program point L31-2(lines 31 36) no Hoare annotation was computed. [2022-11-16 11:14:18,767 INFO L899 garLoopResultBuilder]: For program point copysign_doubleFINAL(lines 19 38) no Hoare annotation was computed. [2022-11-16 11:14:18,767 INFO L899 garLoopResultBuilder]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2022-11-16 11:14:18,767 INFO L902 garLoopResultBuilder]: At program point L21-2(lines 21 25) the Hoare annotation is: true [2022-11-16 11:14:18,767 INFO L899 garLoopResultBuilder]: For program point copysign_doubleEXIT(lines 19 38) no Hoare annotation was computed. [2022-11-16 11:14:18,768 INFO L902 garLoopResultBuilder]: At program point copysign_doubleENTRY(lines 19 38) the Hoare annotation is: true [2022-11-16 11:14:18,768 INFO L899 garLoopResultBuilder]: For program point L26(lines 26 30) no Hoare annotation was computed. [2022-11-16 11:14:18,768 INFO L902 garLoopResultBuilder]: At program point L26-1(lines 19 38) the Hoare annotation is: true [2022-11-16 11:14:18,768 INFO L899 garLoopResultBuilder]: For program point L531-1(lines 531 536) no Hoare annotation was computed. [2022-11-16 11:14:18,768 INFO L895 garLoopResultBuilder]: At program point L531-2(lines 531 536) the Hoare annotation is: false [2022-11-16 11:14:18,768 INFO L899 garLoopResultBuilder]: For program point L531-3(lines 531 536) no Hoare annotation was computed. [2022-11-16 11:14:18,769 INFO L899 garLoopResultBuilder]: For program point L366(lines 366 367) no Hoare annotation was computed. [2022-11-16 11:14:18,769 INFO L899 garLoopResultBuilder]: For program point L168(lines 168 169) no Hoare annotation was computed. [2022-11-16 11:14:18,769 INFO L899 garLoopResultBuilder]: For program point L168-2(lines 168 169) no Hoare annotation was computed. [2022-11-16 11:14:18,769 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 70) no Hoare annotation was computed. [2022-11-16 11:14:18,769 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))) [2022-11-16 11:14:18,770 INFO L899 garLoopResultBuilder]: For program point L400(lines 400 406) no Hoare annotation was computed. [2022-11-16 11:14:18,770 INFO L899 garLoopResultBuilder]: For program point L301(lines 301 309) no Hoare annotation was computed. [2022-11-16 11:14:18,770 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 139) no Hoare annotation was computed. [2022-11-16 11:14:18,770 INFO L899 garLoopResultBuilder]: For program point L103-1(lines 103 108) no Hoare annotation was computed. [2022-11-16 11:14:18,770 INFO L899 garLoopResultBuilder]: For program point L136-2(lines 136 139) no Hoare annotation was computed. [2022-11-16 11:14:18,771 INFO L895 garLoopResultBuilder]: At program point L70(line 70) the Hoare annotation is: false [2022-11-16 11:14:18,771 INFO L895 garLoopResultBuilder]: At program point L103-2(lines 103 108) the Hoare annotation is: false [2022-11-16 11:14:18,771 INFO L899 garLoopResultBuilder]: For program point L70-1(line 70) no Hoare annotation was computed. [2022-11-16 11:14:18,771 INFO L899 garLoopResultBuilder]: For program point L103-3(lines 97 205) no Hoare annotation was computed. [2022-11-16 11:14:18,771 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 501) no Hoare annotation was computed. [2022-11-16 11:14:18,772 INFO L899 garLoopResultBuilder]: For program point L467-1(lines 467 472) no Hoare annotation was computed. [2022-11-16 11:14:18,772 INFO L895 garLoopResultBuilder]: At program point L467-2(lines 467 472) the Hoare annotation is: false [2022-11-16 11:14:18,772 INFO L899 garLoopResultBuilder]: For program point L467-3(lines 467 472) no Hoare annotation was computed. [2022-11-16 11:14:18,772 INFO L899 garLoopResultBuilder]: For program point L71(lines 71 79) no Hoare annotation was computed. [2022-11-16 11:14:18,772 INFO L899 garLoopResultBuilder]: For program point L303(lines 303 304) no Hoare annotation was computed. [2022-11-16 11:14:18,772 INFO L899 garLoopResultBuilder]: For program point L270-1(lines 270 275) no Hoare annotation was computed. [2022-11-16 11:14:18,773 INFO L895 garLoopResultBuilder]: At program point L270-2(lines 270 275) the Hoare annotation is: (and (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) |ULTIMATE.start_main_~x~0#1|) (not (fp.eq |ULTIMATE.start___ieee754_pow_~y#1| (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_pow_~x#1| (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53))))) [2022-11-16 11:14:18,773 INFO L895 garLoopResultBuilder]: At program point L204(lines 97 205) the Hoare annotation is: false [2022-11-16 11:14:18,773 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 72 77) no Hoare annotation was computed. [2022-11-16 11:14:18,773 INFO L895 garLoopResultBuilder]: At program point L72-2(lines 72 77) the Hoare annotation is: false [2022-11-16 11:14:18,773 INFO L899 garLoopResultBuilder]: For program point L72-3(lines 72 77) no Hoare annotation was computed. [2022-11-16 11:14:18,774 INFO L899 garLoopResultBuilder]: For program point L503(lines 503 510) no Hoare annotation was computed. [2022-11-16 11:14:18,774 INFO L899 garLoopResultBuilder]: For program point L503-2(lines 496 510) no Hoare annotation was computed. [2022-11-16 11:14:18,774 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 351) no Hoare annotation was computed. [2022-11-16 11:14:18,774 INFO L899 garLoopResultBuilder]: For program point L305(lines 305 309) no Hoare annotation was computed. [2022-11-16 11:14:18,774 INFO L899 garLoopResultBuilder]: For program point L338-2(lines 263 562) no Hoare annotation was computed. [2022-11-16 11:14:18,775 INFO L899 garLoopResultBuilder]: For program point L504(lines 504 509) no Hoare annotation was computed. [2022-11-16 11:14:18,775 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 350) no Hoare annotation was computed. [2022-11-16 11:14:18,775 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 308) no Hoare annotation was computed. [2022-11-16 11:14:18,775 INFO L899 garLoopResultBuilder]: For program point L208-1(lines 208 212) no Hoare annotation was computed. [2022-11-16 11:14:18,775 INFO L895 garLoopResultBuilder]: At program point L208-2(lines 208 212) the Hoare annotation is: false [2022-11-16 11:14:18,775 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 412) no Hoare annotation was computed. [2022-11-16 11:14:18,775 INFO L895 garLoopResultBuilder]: At program point L407-1(lines 381 474) the Hoare annotation is: false [2022-11-16 11:14:18,776 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 342) no Hoare annotation was computed. [2022-11-16 11:14:18,776 INFO L899 garLoopResultBuilder]: For program point L374-1(lines 374 379) no Hoare annotation was computed. [2022-11-16 11:14:18,776 INFO L899 garLoopResultBuilder]: For program point L407-2(lines 407 412) no Hoare annotation was computed. [2022-11-16 11:14:18,776 INFO L895 garLoopResultBuilder]: At program point L374-2(lines 374 379) the Hoare annotation is: false [2022-11-16 11:14:18,776 INFO L899 garLoopResultBuilder]: For program point L341-2(lines 339 350) no Hoare annotation was computed. [2022-11-16 11:14:18,776 INFO L899 garLoopResultBuilder]: For program point L374-3(lines 374 379) no Hoare annotation was computed. [2022-11-16 11:14:18,777 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 508) no Hoare annotation was computed. [2022-11-16 11:14:18,777 INFO L899 garLoopResultBuilder]: For program point L276(lines 276 281) no Hoare annotation was computed. [2022-11-16 11:14:18,777 INFO L895 garLoopResultBuilder]: At program point L276-1(lines 263 562) the Hoare annotation is: (let ((.cse0 (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)))) (and (exists ((|v_skolemized_q#valueAsBitvector_81| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= |ULTIMATE.start___ieee754_pow_~hx~2#1| ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_81|)) (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_81|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_81|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_81|)) (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53))) (= |ULTIMATE.start___ieee754_pow_~lx~1#1| ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_81|)))) (= .cse0 |ULTIMATE.start_main_~x~0#1|) (not (fp.eq |ULTIMATE.start___ieee754_pow_~y#1| (_ +zero 11 53))) (= |ULTIMATE.start___ieee754_pow_~x#1| .cse0) (= currentRoundingMode roundNearestTiesToEven))) [2022-11-16 11:14:18,777 INFO L899 garLoopResultBuilder]: For program point L276-2(lines 276 281) no Hoare annotation was computed. [2022-11-16 11:14:18,778 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 348) no Hoare annotation was computed. [2022-11-16 11:14:18,778 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 192) no Hoare annotation was computed. [2022-11-16 11:14:18,778 INFO L899 garLoopResultBuilder]: For program point L46-1(lines 46 51) no Hoare annotation was computed. [2022-11-16 11:14:18,778 INFO L895 garLoopResultBuilder]: At program point L46-2(lines 46 51) the Hoare annotation is: false [2022-11-16 11:14:18,778 INFO L899 garLoopResultBuilder]: For program point L46-3(lines 46 51) no Hoare annotation was computed. [2022-11-16 11:14:18,779 INFO L899 garLoopResultBuilder]: For program point L443-1(lines 443 448) no Hoare annotation was computed. [2022-11-16 11:14:18,779 INFO L895 garLoopResultBuilder]: At program point L443-2(lines 443 448) the Hoare annotation is: false [2022-11-16 11:14:18,779 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 347) no Hoare annotation was computed. [2022-11-16 11:14:18,779 INFO L899 garLoopResultBuilder]: For program point L443-3(lines 443 448) no Hoare annotation was computed. [2022-11-16 11:14:18,779 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 85) no Hoare annotation was computed. [2022-11-16 11:14:18,780 INFO L899 garLoopResultBuilder]: For program point L477(lines 477 478) no Hoare annotation was computed. [2022-11-16 11:14:18,780 INFO L899 garLoopResultBuilder]: For program point L477-2(lines 477 478) no Hoare annotation was computed. [2022-11-16 11:14:18,780 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 218) no Hoare annotation was computed. [2022-11-16 11:14:18,780 INFO L899 garLoopResultBuilder]: For program point L180(lines 180 191) no Hoare annotation was computed. [2022-11-16 11:14:18,780 INFO L895 garLoopResultBuilder]: At program point L213-1(lines 206 220) the Hoare annotation is: false [2022-11-16 11:14:18,781 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 218) no Hoare annotation was computed. [2022-11-16 11:14:18,781 INFO L899 garLoopResultBuilder]: For program point L114(lines 114 119) no Hoare annotation was computed. [2022-11-16 11:14:18,781 INFO L895 garLoopResultBuilder]: At program point L147-2(lines 147 157) the Hoare annotation is: false [2022-11-16 11:14:18,781 INFO L899 garLoopResultBuilder]: For program point L81(lines 81 84) no Hoare annotation was computed. [2022-11-16 11:14:18,781 INFO L899 garLoopResultBuilder]: For program point L114-2(lines 114 119) no Hoare annotation was computed. [2022-11-16 11:14:18,782 INFO L899 garLoopResultBuilder]: For program point L147-3(lines 147 157) no Hoare annotation was computed. [2022-11-16 11:14:18,782 INFO L899 garLoopResultBuilder]: For program point L346(lines 346 347) no Hoare annotation was computed. [2022-11-16 11:14:18,782 INFO L899 garLoopResultBuilder]: For program point L313(lines 313 334) no Hoare annotation was computed. [2022-11-16 11:14:18,782 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 118) no Hoare annotation was computed. [2022-11-16 11:14:18,782 INFO L895 garLoopResultBuilder]: At program point L82(line 82) the Hoare annotation is: false [2022-11-16 11:14:18,783 INFO L899 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2022-11-16 11:14:18,783 INFO L899 garLoopResultBuilder]: For program point L314(lines 314 321) no Hoare annotation was computed. [2022-11-16 11:14:18,783 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 190) no Hoare annotation was computed. [2022-11-16 11:14:18,783 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 153) no Hoare annotation was computed. [2022-11-16 11:14:18,783 INFO L899 garLoopResultBuilder]: For program point L149-2(lines 149 153) no Hoare annotation was computed. [2022-11-16 11:14:18,783 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 588) no Hoare annotation was computed. [2022-11-16 11:14:18,784 INFO L899 garLoopResultBuilder]: For program point L546-1(lines 546 550) no Hoare annotation was computed. [2022-11-16 11:14:18,784 INFO L899 garLoopResultBuilder]: For program point L579-2(lines 579 588) no Hoare annotation was computed. [2022-11-16 11:14:18,784 INFO L895 garLoopResultBuilder]: At program point L546-2(lines 546 550) the Hoare annotation is: false [2022-11-16 11:14:18,784 INFO L899 garLoopResultBuilder]: For program point L546-3(lines 546 550) no Hoare annotation was computed. [2022-11-16 11:14:18,784 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 320) no Hoare annotation was computed. [2022-11-16 11:14:18,784 INFO L899 garLoopResultBuilder]: For program point L117(lines 117 118) no Hoare annotation was computed. [2022-11-16 11:14:18,785 INFO L895 garLoopResultBuilder]: At program point L84(line 84) the Hoare annotation is: false [2022-11-16 11:14:18,785 INFO L899 garLoopResultBuilder]: For program point L84-1(line 84) no Hoare annotation was computed. [2022-11-16 11:14:18,785 INFO L899 garLoopResultBuilder]: For program point L481-1(lines 481 486) no Hoare annotation was computed. [2022-11-16 11:14:18,785 INFO L895 garLoopResultBuilder]: At program point L481-2(lines 481 486) the Hoare annotation is: false [2022-11-16 11:14:18,786 INFO L899 garLoopResultBuilder]: For program point L481-3(lines 481 486) no Hoare annotation was computed. [2022-11-16 11:14:18,786 INFO L899 garLoopResultBuilder]: For program point L515(lines 515 529) no Hoare annotation was computed. [2022-11-16 11:14:18,786 INFO L899 garLoopResultBuilder]: For program point L515-2(lines 515 529) no Hoare annotation was computed. [2022-11-16 11:14:18,786 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 11:14:18,786 INFO L899 garLoopResultBuilder]: For program point L317(lines 317 320) no Hoare annotation was computed. [2022-11-16 11:14:18,786 INFO L899 garLoopResultBuilder]: For program point L185(lines 185 190) no Hoare annotation was computed. [2022-11-16 11:14:18,787 INFO L899 garLoopResultBuilder]: For program point L53(lines 53 65) no Hoare annotation was computed. [2022-11-16 11:14:18,787 INFO L899 garLoopResultBuilder]: For program point L53-2(lines 44 94) no Hoare annotation was computed. [2022-11-16 11:14:18,787 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 286) no Hoare annotation was computed. [2022-11-16 11:14:18,787 INFO L895 garLoopResultBuilder]: At program point L219(lines 206 220) the Hoare annotation is: false [2022-11-16 11:14:18,787 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 187) no Hoare annotation was computed. [2022-11-16 11:14:18,787 INFO L899 garLoopResultBuilder]: For program point L186-2(lines 186 187) no Hoare annotation was computed. [2022-11-16 11:14:18,788 INFO L899 garLoopResultBuilder]: For program point L54(lines 54 55) no Hoare annotation was computed. [2022-11-16 11:14:18,788 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 87 92) no Hoare annotation was computed. [2022-11-16 11:14:18,788 INFO L895 garLoopResultBuilder]: At program point L87-2(lines 87 92) the Hoare annotation is: false [2022-11-16 11:14:18,788 INFO L899 garLoopResultBuilder]: For program point L87-3(lines 87 92) no Hoare annotation was computed. [2022-11-16 11:14:18,788 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 393) no Hoare annotation was computed. [2022-11-16 11:14:18,789 INFO L899 garLoopResultBuilder]: For program point L418-1(lines 418 423) no Hoare annotation was computed. [2022-11-16 11:14:18,789 INFO L899 garLoopResultBuilder]: For program point L385-1(lines 385 393) no Hoare annotation was computed. [2022-11-16 11:14:18,789 INFO L895 garLoopResultBuilder]: At program point L418-2(lines 418 423) the Hoare annotation is: false [2022-11-16 11:14:18,789 INFO L899 garLoopResultBuilder]: For program point L418-3(lines 418 423) no Hoare annotation was computed. [2022-11-16 11:14:18,789 INFO L899 garLoopResultBuilder]: For program point L584(lines 584 587) no Hoare annotation was computed. [2022-11-16 11:14:18,789 INFO L899 garLoopResultBuilder]: For program point L122(lines 122 133) no Hoare annotation was computed. [2022-11-16 11:14:18,790 INFO L899 garLoopResultBuilder]: For program point L122-2(lines 122 133) no Hoare annotation was computed. [2022-11-16 11:14:18,790 INFO L899 garLoopResultBuilder]: For program point L585(line 585) no Hoare annotation was computed. [2022-11-16 11:14:18,790 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 560) no Hoare annotation was computed. [2022-11-16 11:14:18,790 INFO L899 garLoopResultBuilder]: For program point L519-1(lines 519 524) no Hoare annotation was computed. [2022-11-16 11:14:18,790 INFO L895 garLoopResultBuilder]: At program point L519-2(lines 519 524) the Hoare annotation is: false [2022-11-16 11:14:18,790 INFO L899 garLoopResultBuilder]: For program point L519-3(lines 519 524) no Hoare annotation was computed. [2022-11-16 11:14:18,791 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 294) no Hoare annotation was computed. [2022-11-16 11:14:18,791 INFO L895 garLoopResultBuilder]: At program point L123-2(lines 123 127) the Hoare annotation is: false [2022-11-16 11:14:18,791 INFO L899 garLoopResultBuilder]: For program point L123-3(lines 123 127) no Hoare annotation was computed. [2022-11-16 11:14:18,791 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2022-11-16 11:14:18,791 INFO L895 garLoopResultBuilder]: At program point L57-2(lines 57 61) the Hoare annotation is: false [2022-11-16 11:14:18,792 INFO L899 garLoopResultBuilder]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2022-11-16 11:14:18,792 INFO L899 garLoopResultBuilder]: For program point L388-1(lines 388 392) no Hoare annotation was computed. [2022-11-16 11:14:18,792 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 327) no Hoare annotation was computed. [2022-11-16 11:14:18,792 INFO L895 garLoopResultBuilder]: At program point L388-2(lines 388 392) the Hoare annotation is: false [2022-11-16 11:14:18,792 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 11:14:18,792 INFO L899 garLoopResultBuilder]: For program point L455-1(lines 455 460) no Hoare annotation was computed. [2022-11-16 11:14:18,792 INFO L895 garLoopResultBuilder]: At program point L455-2(lines 455 460) the Hoare annotation is: false [2022-11-16 11:14:18,793 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 474) no Hoare annotation was computed. [2022-11-16 11:14:18,793 INFO L899 garLoopResultBuilder]: For program point L455-3(lines 455 460) no Hoare annotation was computed. [2022-11-16 11:14:18,793 INFO L899 garLoopResultBuilder]: For program point L323(lines 323 326) no Hoare annotation was computed. [2022-11-16 11:14:18,793 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 293) no Hoare annotation was computed. [2022-11-16 11:14:18,793 INFO L899 garLoopResultBuilder]: For program point L356-2(lines 356 474) no Hoare annotation was computed. [2022-11-16 11:14:18,793 INFO L899 garLoopResultBuilder]: For program point L555-1(lines 555 560) no Hoare annotation was computed. [2022-11-16 11:14:18,794 INFO L895 garLoopResultBuilder]: At program point L555-2(lines 555 560) the Hoare annotation is: false [2022-11-16 11:14:18,794 INFO L899 garLoopResultBuilder]: For program point L555-3(lines 552 560) no Hoare annotation was computed. [2022-11-16 11:14:18,794 INFO L899 garLoopResultBuilder]: For program point L357(lines 357 362) no Hoare annotation was computed. [2022-11-16 11:14:18,794 INFO L899 garLoopResultBuilder]: For program point L357-2(lines 356 381) no Hoare annotation was computed. [2022-11-16 11:14:18,794 INFO L895 garLoopResultBuilder]: At program point L93(lines 44 94) the Hoare annotation is: false [2022-11-16 11:14:18,794 INFO L899 garLoopResultBuilder]: For program point L490-1(lines 490 495) no Hoare annotation was computed. [2022-11-16 11:14:18,795 INFO L895 garLoopResultBuilder]: At program point L490-2(lines 490 495) the Hoare annotation is: false [2022-11-16 11:14:18,795 INFO L899 garLoopResultBuilder]: For program point L490-3(lines 263 562) no Hoare annotation was computed. [2022-11-16 11:14:18,795 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 359) no Hoare annotation was computed. [2022-11-16 11:14:18,795 INFO L895 garLoopResultBuilder]: At program point L160-2(lines 160 176) the Hoare annotation is: false [2022-11-16 11:14:18,795 INFO L899 garLoopResultBuilder]: For program point L160-3(lines 97 205) no Hoare annotation was computed. [2022-11-16 11:14:18,795 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 11:14:18,796 INFO L902 garLoopResultBuilder]: At program point L590(lines 567 591) the Hoare annotation is: true [2022-11-16 11:14:18,796 INFO L899 garLoopResultBuilder]: For program point L128-2(lines 128 129) no Hoare annotation was computed. [2022-11-16 11:14:18,796 INFO L895 garLoopResultBuilder]: At program point L128-3(lines 128 129) the Hoare annotation is: false [2022-11-16 11:14:18,796 INFO L899 garLoopResultBuilder]: For program point L128-4(lines 128 129) no Hoare annotation was computed. [2022-11-16 11:14:18,796 INFO L899 garLoopResultBuilder]: For program point L426-1(lines 426 431) no Hoare annotation was computed. [2022-11-16 11:14:18,796 INFO L899 garLoopResultBuilder]: For program point L360(lines 360 361) no Hoare annotation was computed. [2022-11-16 11:14:18,797 INFO L895 garLoopResultBuilder]: At program point L426-2(lines 426 431) the Hoare annotation is: false [2022-11-16 11:14:18,797 INFO L899 garLoopResultBuilder]: For program point L426-3(lines 426 431) no Hoare annotation was computed. [2022-11-16 11:14:18,797 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 196) no Hoare annotation was computed. [2022-11-16 11:14:18,797 INFO L899 garLoopResultBuilder]: For program point L195-2(lines 195 196) no Hoare annotation was computed. [2022-11-16 11:14:18,797 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 64) no Hoare annotation was computed. [2022-11-16 11:14:18,797 INFO L899 garLoopResultBuilder]: For program point L526(lines 526 527) no Hoare annotation was computed. [2022-11-16 11:14:18,798 INFO L899 garLoopResultBuilder]: For program point L526-2(lines 526 527) no Hoare annotation was computed. [2022-11-16 11:14:18,798 INFO L899 garLoopResultBuilder]: For program point L328(lines 328 329) no Hoare annotation was computed. [2022-11-16 11:14:18,798 INFO L899 garLoopResultBuilder]: For program point L163(lines 163 172) no Hoare annotation was computed. [2022-11-16 11:14:18,798 INFO L899 garLoopResultBuilder]: For program point L163-2(lines 163 172) no Hoare annotation was computed. [2022-11-16 11:14:18,798 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 311) no Hoare annotation was computed. [2022-11-16 11:14:18,798 INFO L899 garLoopResultBuilder]: For program point L296-1(lines 263 562) no Hoare annotation was computed. [2022-11-16 11:14:18,799 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 11:14:18,799 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 585) no Hoare annotation was computed. [2022-11-16 11:14:18,799 INFO L895 garLoopResultBuilder]: At program point L561(lines 263 562) the Hoare annotation is: (= |ULTIMATE.start___ieee754_pow_#res#1| (_ NaN 11 53)) [2022-11-16 11:14:18,799 INFO L899 garLoopResultBuilder]: For program point L330(lines 330 333) no Hoare annotation was computed. [2022-11-16 11:14:18,799 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 310) no Hoare annotation was computed. [2022-11-16 11:14:18,799 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 166) no Hoare annotation was computed. [2022-11-16 11:14:18,800 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 198 203) no Hoare annotation was computed. [2022-11-16 11:14:18,800 INFO L895 garLoopResultBuilder]: At program point L198-2(lines 198 203) the Hoare annotation is: false [2022-11-16 11:14:18,800 INFO L899 garLoopResultBuilder]: For program point L165-2(lines 165 166) no Hoare annotation was computed. [2022-11-16 11:14:18,800 INFO L899 garLoopResultBuilder]: For program point L198-3(lines 198 203) no Hoare annotation was computed. [2022-11-16 11:14:18,800 INFO L899 garLoopResultBuilder]: For program point L331(lines 331 332) no Hoare annotation was computed. [2022-11-16 11:14:18,800 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 502) no Hoare annotation was computed. [2022-11-16 11:14:18,801 INFO L899 garLoopResultBuilder]: For program point L398(lines 398 406) no Hoare annotation was computed. [2022-11-16 11:14:18,801 INFO L899 garLoopResultBuilder]: For program point L299(lines 299 310) no Hoare annotation was computed. [2022-11-16 11:14:18,804 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:14:18,807 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:14:18,825 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_81,QUANTIFIED] [2022-11-16 11:14:18,826 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_81,QUANTIFIED] [2022-11-16 11:14:18,826 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_81,QUANTIFIED] [2022-11-16 11:14:18,826 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_81,QUANTIFIED] [2022-11-16 11:14:18,827 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:14:18,827 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_81,QUANTIFIED] [2022-11-16 11:14:18,827 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:14:18,829 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_81,QUANTIFIED] [2022-11-16 11:14:18,829 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_81,QUANTIFIED] [2022-11-16 11:14:18,829 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_81,QUANTIFIED] [2022-11-16 11:14:18,829 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_81,QUANTIFIED] [2022-11-16 11:14:18,829 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:14:18,830 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_81,QUANTIFIED] [2022-11-16 11:14:18,830 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:14:18,833 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:14:18,833 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:14:18,834 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:14:18,834 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:14:18,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:14:18 BoogieIcfgContainer [2022-11-16 11:14:18,835 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:14:18,835 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:14:18,835 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:14:18,836 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:14:18,836 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:11:03" (3/4) ... [2022-11-16 11:14:18,839 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:14:18,846 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_double [2022-11-16 11:14:18,858 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-16 11:14:18,858 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-16 11:14:18,858 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:14:18,858 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:14:18,884 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x && !~fp.eq~DOUBLE(y, ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) [2022-11-16 11:14:18,937 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:14:18,937 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:14:18,938 INFO L158 Benchmark]: Toolchain (without parser) took 265564.85ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 51.6MB in the beginning and 46.9MB in the end (delta: 4.8MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2022-11-16 11:14:18,938 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 71.3MB. Free memory was 52.0MB in the beginning and 52.0MB in the end (delta: 53.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:14:18,939 INFO L158 Benchmark]: CACSL2BoogieTranslator took 533.87ms. Allocated memory is still 71.3MB. Free memory was 51.5MB in the beginning and 43.7MB in the end (delta: 7.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:14:18,939 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.27ms. Allocated memory is still 71.3MB. Free memory was 43.7MB in the beginning and 39.2MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:14:18,940 INFO L158 Benchmark]: Boogie Preprocessor took 88.61ms. Allocated memory is still 71.3MB. Free memory was 39.2MB in the beginning and 34.2MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 11:14:18,940 INFO L158 Benchmark]: RCFGBuilder took 69773.00ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 34.2MB in the beginning and 37.5MB in the end (delta: -3.4MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2022-11-16 11:14:18,940 INFO L158 Benchmark]: TraceAbstraction took 194951.31ms. Allocated memory is still 86.0MB. Free memory was 36.7MB in the beginning and 52.0MB in the end (delta: -15.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:14:18,943 INFO L158 Benchmark]: Witness Printer took 102.19ms. Allocated memory is still 86.0MB. Free memory was 52.0MB in the beginning and 46.9MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 11:14:18,946 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 71.3MB. Free memory was 52.0MB in the beginning and 52.0MB in the end (delta: 53.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 533.87ms. Allocated memory is still 71.3MB. Free memory was 51.5MB in the beginning and 43.7MB in the end (delta: 7.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.27ms. Allocated memory is still 71.3MB. Free memory was 43.7MB in the beginning and 39.2MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.61ms. Allocated memory is still 71.3MB. Free memory was 39.2MB in the beginning and 34.2MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 69773.00ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 34.2MB in the beginning and 37.5MB in the end (delta: -3.4MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * TraceAbstraction took 194951.31ms. Allocated memory is still 86.0MB. Free memory was 36.7MB in the beginning and 52.0MB in the end (delta: -15.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 102.19ms. Allocated memory is still 86.0MB. Free memory was 52.0MB in the beginning and 46.9MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. 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_81,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_81,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_81,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_81,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_81,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[v_skolemized_q#valueAsBitvector_81,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_81,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_81,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_81,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_81,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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: 194.8s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 165.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 60 mSolverCounterUnknown, 466 SdHoareTripleChecker+Valid, 160.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 466 mSDsluCounter, 7183 SdHoareTripleChecker+Invalid, 154.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 204 IncrementalHoareTripleChecker+Unchecked, 5403 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 93 IncrementalHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 1780 mSDtfsCounter, 93 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 128 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 15.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=193occurred in iteration=0, InterpolantAutomatonStates: 45, 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, 8 MinimizatonAttempts, 95 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 61 PreInvPairs, 68 NumberOfFragments, 110 HoareAnnotationTreeSize, 61 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 41 FomulaSimplificationsInter, 121 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 18.6s InterpolantComputationTime, 129 NumberOfCodeBlocks, 129 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 121 ConstructedInterpolants, 45 QuantifiedInterpolants, 1042 SizeOfPredicates, 53 NumberOfNonLiveVariables, 1024 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 [2022-11-16 11:14:18,975 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_81,QUANTIFIED] [2022-11-16 11:14:18,975 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_81,QUANTIFIED] [2022-11-16 11:14:18,975 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_81,QUANTIFIED] [2022-11-16 11:14:18,975 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_81,QUANTIFIED] [2022-11-16 11:14:18,976 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:14:18,976 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_81,QUANTIFIED] [2022-11-16 11:14:18,976 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:14:18,977 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_81,QUANTIFIED] [2022-11-16 11:14:18,977 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_81,QUANTIFIED] [2022-11-16 11:14:18,977 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_81,QUANTIFIED] [2022-11-16 11:14:18,977 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_81,QUANTIFIED] [2022-11-16 11:14:18,977 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:14:18,978 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_81,QUANTIFIED] [2022-11-16 11:14:18,978 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((\exists v_skolemized_q#valueAsBitvector_81 : bv64, currentRoundingMode : FloatRoundingMode :: (hx == v_skolemized_q#valueAsBitvector_81[63:32] && ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_81[63:63], v_skolemized_q#valueAsBitvector_81[62:52], v_skolemized_q#valueAsBitvector_81[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && lx == v_skolemized_q#valueAsBitvector_81[31:0]) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) && !~fp.eq~DOUBLE(y, ~Pluszero~LONGDOUBLE())) && x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - 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 [2022-11-16 11:14:18,990 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:14:18,990 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-16 11:14:18,991 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-16 11:14:18,991 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ((~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x && !~fp.eq~DOUBLE(y, ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\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! [2022-11-16 11:14:19,223 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-16 11:14:19,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e194576-bfba-4cc8-8e68-f63614198675/bin/uautomizer-tPACEb0tL8/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