./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0920a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0920a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d4bd0cf85a8b4097fbfac5e1603bb0ef2263d21f1b9906b4152c353aa17e726a --- 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-b5237d8 [2022-11-22 00:27:16,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:27:16,652 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:27:16,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:27:16,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:27:16,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:27:16,688 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:27:16,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:27:16,693 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:27:16,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:27:16,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:27:16,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:27:16,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:27:16,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:27:16,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:27:16,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:27:16,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:27:16,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:27:16,714 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:27:16,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:27:16,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:27:16,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:27:16,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:27:16,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:27:16,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:27:16,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:27:16,738 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:27:16,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:27:16,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:27:16,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:27:16,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:27:16,744 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:27:16,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:27:16,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:27:16,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:27:16,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:27:16,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:27:16,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:27:16,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:27:16,752 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:27:16,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:27:16,754 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-22 00:27:16,796 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:27:16,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:27:16,797 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:27:16,797 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:27:16,798 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:27:16,799 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:27:16,799 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:27:16,799 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:27:16,800 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:27:16,800 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 00:27:16,801 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:27:16,801 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:27:16,802 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 00:27:16,802 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 00:27:16,802 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:27:16,803 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 00:27:16,803 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 00:27:16,803 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 00:27:16,804 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:27:16,804 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 00:27:16,805 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:27:16,805 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 00:27:16,805 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:27:16,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:27:16,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:27:16,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:27:16,807 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 00:27:16,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:27:16,808 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:27:16,808 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:27:16,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:27:16,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:27:16,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:27:16,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:27:16,810 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 00:27:16,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:27:16,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:27:16,811 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 00:27:16,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:27:16,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:27:16,812 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:27:16,812 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_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4bd0cf85a8b4097fbfac5e1603bb0ef2263d21f1b9906b4152c353aa17e726a [2022-11-22 00:27:17,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:27:17,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:27:17,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:27:17,131 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:27:17,131 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:27:17,132 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/float-newlib/float_req_bl_0920a.c [2022-11-22 00:27:20,186 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:27:20,437 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:27:20,438 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/sv-benchmarks/c/float-newlib/float_req_bl_0920a.c [2022-11-22 00:27:20,449 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/data/b3550ece2/0aac7ede794b44f4bf121c261b221d51/FLAGdddba2871 [2022-11-22 00:27:20,463 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/data/b3550ece2/0aac7ede794b44f4bf121c261b221d51 [2022-11-22 00:27:20,466 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:27:20,467 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:27:20,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:27:20,473 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:27:20,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:27:20,478 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:27:20" (1/1) ... [2022-11-22 00:27:20,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78fcbb6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:20, skipping insertion in model container [2022-11-22 00:27:20,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:27:20" (1/1) ... [2022-11-22 00:27:20,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:27:20,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:27:20,714 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/sv-benchmarks/c/float-newlib/float_req_bl_0920a.c[3541,3554] [2022-11-22 00:27:20,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:27:20,739 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:27:20,792 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/sv-benchmarks/c/float-newlib/float_req_bl_0920a.c[3541,3554] [2022-11-22 00:27:20,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:27:20,808 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:27:20,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:20 WrapperNode [2022-11-22 00:27:20,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:27:20,810 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:27:20,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:27:20,811 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:27:20,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:20" (1/1) ... [2022-11-22 00:27:20,828 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:20" (1/1) ... [2022-11-22 00:27:20,863 INFO L138 Inliner]: procedures = 19, calls = 30, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 167 [2022-11-22 00:27:20,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:27:20,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:27:20,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:27:20,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:27:20,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:20" (1/1) ... [2022-11-22 00:27:20,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:20" (1/1) ... [2022-11-22 00:27:20,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:20" (1/1) ... [2022-11-22 00:27:20,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:20" (1/1) ... [2022-11-22 00:27:20,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:20" (1/1) ... [2022-11-22 00:27:20,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:20" (1/1) ... [2022-11-22 00:27:20,919 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:20" (1/1) ... [2022-11-22 00:27:20,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:20" (1/1) ... [2022-11-22 00:27:20,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:27:20,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:27:20,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:27:20,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:27:20,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:20" (1/1) ... [2022-11-22 00:27:20,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:27:20,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:27:20,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:27:21,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:27:21,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:27:21,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 00:27:21,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 00:27:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-22 00:27:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 00:27:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-22 00:27:21,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:27:21,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:27:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 00:27:21,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 00:27:21,144 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:27:21,146 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:27:21,456 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:27:21,587 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:27:21,588 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-22 00:27:21,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:27:21 BoogieIcfgContainer [2022-11-22 00:27:21,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:27:21,607 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 00:27:21,607 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 00:27:21,611 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 00:27:21,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:27:20" (1/3) ... [2022-11-22 00:27:21,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f2c602d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:27:21, skipping insertion in model container [2022-11-22 00:27:21,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:20" (2/3) ... [2022-11-22 00:27:21,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f2c602d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:27:21, skipping insertion in model container [2022-11-22 00:27:21,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:27:21" (3/3) ... [2022-11-22 00:27:21,615 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0920a.c [2022-11-22 00:27:21,632 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 00:27:21,632 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 00:27:21,680 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 00:27:21,687 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2e2ab0d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 00:27:21,688 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 00:27:21,691 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 24 states have (on average 1.6666666666666667) internal successors, (40), 25 states have internal predecessors, (40), 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) [2022-11-22 00:27:21,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 00:27:21,696 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:27:21,697 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:27:21,698 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 00:27:21,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:27:21,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1067910090, now seen corresponding path program 1 times [2022-11-22 00:27:21,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:27:21,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216457171] [2022-11-22 00:27:21,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:27:21,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:27:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:27:22,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:27:22,031 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:27:22,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216457171] [2022-11-22 00:27:22,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216457171] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:27:22,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:27:22,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:27:22,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93844746] [2022-11-22 00:27:22,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:27:22,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:27:22,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:27:22,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:27:22,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:27:22,114 INFO L87 Difference]: Start difference. First operand has 26 states, 24 states have (on average 1.6666666666666667) internal successors, (40), 25 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-11-22 00:27:22,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:27:22,179 INFO L93 Difference]: Finished difference Result 51 states and 79 transitions. [2022-11-22 00:27:22,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:27:22,182 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2022-11-22 00:27:22,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:27:22,191 INFO L225 Difference]: With dead ends: 51 [2022-11-22 00:27:22,192 INFO L226 Difference]: Without dead ends: 23 [2022-11-22 00:27:22,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:27:22,201 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:27:22,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 47 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:27:22,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-22 00:27:22,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-11-22 00:27:22,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.1818181818181819) internal successors, (26), 22 states have internal predecessors, (26), 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) [2022-11-22 00:27:22,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2022-11-22 00:27:22,243 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 9 [2022-11-22 00:27:22,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:27:22,245 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2022-11-22 00:27:22,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-11-22 00:27:22,246 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-11-22 00:27:22,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 00:27:22,247 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:27:22,248 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:27:22,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 00:27:22,248 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 00:27:22,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:27:22,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1634543075, now seen corresponding path program 1 times [2022-11-22 00:27:22,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:27:22,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58236998] [2022-11-22 00:27:22,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:27:22,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:27:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 00:27:22,369 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 00:27:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 00:27:22,427 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 00:27:22,427 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 00:27:22,429 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-22 00:27:22,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 00:27:22,435 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-22 00:27:22,439 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 00:27:22,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:27:22 BoogieIcfgContainer [2022-11-22 00:27:22,482 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 00:27:22,483 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 00:27:22,483 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 00:27:22,483 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 00:27:22,484 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:27:21" (3/4) ... [2022-11-22 00:27:22,487 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-22 00:27:22,487 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 00:27:22,489 INFO L158 Benchmark]: Toolchain (without parser) took 2020.78ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 108.0MB in the beginning and 117.5MB in the end (delta: -9.5MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2022-11-22 00:27:22,489 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 138.4MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:27:22,490 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.90ms. Allocated memory is still 138.4MB. Free memory was 108.0MB in the beginning and 95.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 00:27:22,494 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.06ms. Allocated memory is still 138.4MB. Free memory was 95.9MB in the beginning and 93.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:27:22,498 INFO L158 Benchmark]: Boogie Preprocessor took 49.60ms. Allocated memory is still 138.4MB. Free memory was 93.2MB in the beginning and 91.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:27:22,501 INFO L158 Benchmark]: RCFGBuilder took 680.96ms. Allocated memory is still 138.4MB. Free memory was 91.7MB in the beginning and 70.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-22 00:27:22,502 INFO L158 Benchmark]: TraceAbstraction took 874.58ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 69.8MB in the beginning and 117.5MB in the end (delta: -47.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:27:22,502 INFO L158 Benchmark]: Witness Printer took 4.60ms. Allocated memory is still 169.9MB. Free memory is still 117.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:27:22,506 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 138.4MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.90ms. Allocated memory is still 138.4MB. Free memory was 108.0MB in the beginning and 95.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.06ms. Allocated memory is still 138.4MB. Free memory was 95.9MB in the beginning and 93.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.60ms. Allocated memory is still 138.4MB. Free memory was 93.2MB in the beginning and 91.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 680.96ms. Allocated memory is still 138.4MB. Free memory was 91.7MB in the beginning and 70.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 874.58ms. Allocated memory was 138.4MB in the beginning and 169.9MB in the end (delta: 31.5MB). Free memory was 69.8MB in the beginning and 117.5MB in the end (delta: -47.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.60ms. Allocated memory is still 169.9MB. Free memory is still 117.5MB. There was no memory consumed. Max. memory is 16.1GB. * 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 - UnprovableResult [Line: 142]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 113, overapproximation of bitwiseAnd at line 45, overapproximation of someBinaryArithmeticFLOAToperation at line 46. Possible FailurePath: [L26-L30] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L32] static const float zero_log = 0.0; [L134] float x = __VERIFIER_nondet_float(); [L136] EXPR x < 0 && isfinite_float(x) [L136] CALL, EXPR isfinite_float(x) [L117] __int32_t ix; VAL [\old(x)=6434062346, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=6434062346, zero_log=0] [L119] ieee_float_shape_type gf_u; [L120] gf_u.value = (x) [L121] EXPR gf_u.word [L121] (ix) = gf_u.word [L123] ix &= 0x7fffffff [L124] return (((ix) < 0x7f800000L)); [L136] RET, EXPR isfinite_float(x) [L136] EXPR x < 0 && isfinite_float(x) VAL [isfinite_float(x)=1, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=6434062346, x < 0 && isfinite_float(x)=1, zero_log=0] [L136] COND TRUE (x < 0 && isfinite_float(x)) [L138] CALL, EXPR __ieee754_logf(x) [L35] float hfsq, f, s, z, R, w, t1, t2, dk; [L36] __int32_t k, ix, i, j; VAL [\old(x)=6434062346, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=6434062346, zero_log=0] [L39] ieee_float_shape_type gf_u; [L40] gf_u.value = (x) [L41] EXPR gf_u.word [L41] (ix) = gf_u.word [L44] k = 0 VAL [\old(x)=6434062346, ix=-1, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=6434062346, zero_log=0] [L45] COND TRUE ((ix & 0x7fffffff) == 0) [L46] return -two25_log / zero_log; VAL [\old(x)=6434062346, ix=-1, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=6434062346, zero_log=0] [L138] RET, EXPR __ieee754_logf(x) [L138] float res = __ieee754_logf(x); [L141] CALL, EXPR isnan_float(res) [L113] return x != x; [L141] RET, EXPR isnan_float(res) [L141] COND TRUE !isnan_float(res) [L142] reach_error() VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, res=6434062347, two25_log=33554432, x=6434062346, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 47 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 25 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-22 00:27:22,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 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_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0920a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d4bd0cf85a8b4097fbfac5e1603bb0ef2263d21f1b9906b4152c353aa17e726a --- 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-b5237d8 [2022-11-22 00:27:24,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:27:25,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:27:25,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:27:25,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:27:25,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:27:25,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:27:25,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:27:25,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:27:25,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:27:25,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:27:25,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:27:25,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:27:25,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:27:25,073 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:27:25,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:27:25,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:27:25,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:27:25,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:27:25,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:27:25,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:27:25,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:27:25,096 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:27:25,097 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:27:25,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:27:25,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:27:25,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:27:25,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:27:25,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:27:25,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:27:25,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:27:25,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:27:25,106 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:27:25,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:27:25,119 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:27:25,119 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:27:25,120 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:27:25,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:27:25,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:27:25,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:27:25,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:27:25,126 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-22 00:27:25,172 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:27:25,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:27:25,174 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:27:25,175 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:27:25,176 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:27:25,176 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:27:25,176 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:27:25,176 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:27:25,177 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:27:25,177 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:27:25,178 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:27:25,178 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:27:25,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:27:25,179 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 00:27:25,180 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 00:27:25,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:27:25,180 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:27:25,180 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:27:25,181 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:27:25,181 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-22 00:27:25,181 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-22 00:27:25,181 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-22 00:27:25,181 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 00:27:25,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:27:25,182 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:27:25,182 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:27:25,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:27:25,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-22 00:27:25,183 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:27:25,183 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:27:25,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:27:25,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:27:25,184 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:27:25,185 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-22 00:27:25,185 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-22 00:27:25,185 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:27:25,185 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:27:25,185 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-22 00:27:25,186 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_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4bd0cf85a8b4097fbfac5e1603bb0ef2263d21f1b9906b4152c353aa17e726a [2022-11-22 00:27:25,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:27:25,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:27:25,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:27:25,595 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:27:25,596 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:27:25,598 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/float-newlib/float_req_bl_0920a.c [2022-11-22 00:27:28,653 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:27:28,942 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:27:28,948 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/sv-benchmarks/c/float-newlib/float_req_bl_0920a.c [2022-11-22 00:27:28,965 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/data/1caff1f29/3df73c9d254e4efbb7cebba7e7a44eec/FLAG9b3787abf [2022-11-22 00:27:28,986 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/data/1caff1f29/3df73c9d254e4efbb7cebba7e7a44eec [2022-11-22 00:27:28,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:27:28,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:27:28,998 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:27:28,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:27:29,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:27:29,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:27:28" (1/1) ... [2022-11-22 00:27:29,005 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c4611d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:29, skipping insertion in model container [2022-11-22 00:27:29,005 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:27:28" (1/1) ... [2022-11-22 00:27:29,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:27:29,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:27:29,302 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/sv-benchmarks/c/float-newlib/float_req_bl_0920a.c[3541,3554] [2022-11-22 00:27:29,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:27:29,329 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:27:29,370 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/sv-benchmarks/c/float-newlib/float_req_bl_0920a.c[3541,3554] [2022-11-22 00:27:29,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:27:29,387 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:27:29,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:29 WrapperNode [2022-11-22 00:27:29,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:27:29,389 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:27:29,390 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:27:29,390 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:27:29,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:29" (1/1) ... [2022-11-22 00:27:29,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:29" (1/1) ... [2022-11-22 00:27:29,436 INFO L138 Inliner]: procedures = 22, calls = 30, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 166 [2022-11-22 00:27:29,436 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:27:29,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:27:29,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:27:29,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:27:29,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:29" (1/1) ... [2022-11-22 00:27:29,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:29" (1/1) ... [2022-11-22 00:27:29,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:29" (1/1) ... [2022-11-22 00:27:29,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:29" (1/1) ... [2022-11-22 00:27:29,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:29" (1/1) ... [2022-11-22 00:27:29,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:29" (1/1) ... [2022-11-22 00:27:29,476 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:29" (1/1) ... [2022-11-22 00:27:29,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:29" (1/1) ... [2022-11-22 00:27:29,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:27:29,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:27:29,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:27:29,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:27:29,484 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:29" (1/1) ... [2022-11-22 00:27:29,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:27:29,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:27:29,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:27:29,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:27:29,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:27:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-22 00:27:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 00:27:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-11-22 00:27:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-22 00:27:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:27:29,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:27:29,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-11-22 00:27:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-22 00:27:29,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 00:27:29,692 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:27:29,695 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:27:48,210 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:27:48,216 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:27:48,216 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-22 00:27:48,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:27:48 BoogieIcfgContainer [2022-11-22 00:27:48,218 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:27:48,220 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 00:27:48,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 00:27:48,224 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 00:27:48,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:27:28" (1/3) ... [2022-11-22 00:27:48,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6367cf36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:27:48, skipping insertion in model container [2022-11-22 00:27:48,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:27:29" (2/3) ... [2022-11-22 00:27:48,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6367cf36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:27:48, skipping insertion in model container [2022-11-22 00:27:48,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:27:48" (3/3) ... [2022-11-22 00:27:48,227 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0920a.c [2022-11-22 00:27:48,247 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 00:27:48,247 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 00:27:48,297 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 00:27:48,303 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@61a54bc5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 00:27:48,303 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 00:27:48,308 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 35 states have (on average 1.6571428571428573) internal successors, (58), 36 states have internal predecessors, (58), 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) [2022-11-22 00:27:48,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-22 00:27:48,314 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:27:48,315 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:27:48,316 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 00:27:48,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:27:48,321 INFO L85 PathProgramCache]: Analyzing trace with hash 627170052, now seen corresponding path program 1 times [2022-11-22 00:27:48,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 00:27:48,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [414503223] [2022-11-22 00:27:48,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:27:48,335 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 [2022-11-22 00:27:48,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 00:27:48,341 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/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) [2022-11-22 00:27:48,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/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 [2022-11-22 00:27:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:27:49,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-22 00:27:49,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:27:49,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:27:49,139 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:27:49,140 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 00:27:49,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [414503223] [2022-11-22 00:27:49,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [414503223] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:27:49,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:27:49,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 00:27:49,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887397449] [2022-11-22 00:27:49,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:27:49,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-22 00:27:49,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 00:27:49,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-22 00:27:49,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 00:27:49,183 INFO L87 Difference]: Start difference. First operand has 37 states, 35 states have (on average 1.6571428571428573) internal successors, (58), 36 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) 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) [2022-11-22 00:27:49,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:27:49,213 INFO L93 Difference]: Finished difference Result 71 states and 112 transitions. [2022-11-22 00:27:49,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-22 00:27:49,216 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 [2022-11-22 00:27:49,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:27:49,231 INFO L225 Difference]: With dead ends: 71 [2022-11-22 00:27:49,232 INFO L226 Difference]: Without dead ends: 33 [2022-11-22 00:27:49,236 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 [2022-11-22 00:27:49,243 INFO L413 NwaCegarLoop]: 49 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, 49 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 [2022-11-22 00:27:49,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:27:49,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-11-22 00:27:49,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-11-22 00:27:49,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.375) internal successors, (44), 32 states have internal predecessors, (44), 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) [2022-11-22 00:27:49,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 44 transitions. [2022-11-22 00:27:49,288 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 44 transitions. Word has length 11 [2022-11-22 00:27:49,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:27:49,289 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 44 transitions. [2022-11-22 00:27:49,289 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) [2022-11-22 00:27:49,289 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2022-11-22 00:27:49,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 00:27:49,291 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:27:49,292 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:27:49,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/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 [2022-11-22 00:27:49,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/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 [2022-11-22 00:27:49,506 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 00:27:49,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:27:49,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1650641455, now seen corresponding path program 1 times [2022-11-22 00:27:49,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 00:27:49,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1120781085] [2022-11-22 00:27:49,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:27:49,507 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 [2022-11-22 00:27:49,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 00:27:49,511 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/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) [2022-11-22 00:27:49,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/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 [2022-11-22 00:27:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:27:50,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 00:27:50,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:27:50,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:27:50,094 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:27:50,095 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 00:27:50,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1120781085] [2022-11-22 00:27:50,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1120781085] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:27:50,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:27:50,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:27:50,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337468158] [2022-11-22 00:27:50,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:27:50,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:27:50,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 00:27:50,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:27:50,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:27:50,099 INFO L87 Difference]: Start difference. First operand 33 states and 44 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-11-22 00:27:50,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:27:50,149 INFO L93 Difference]: Finished difference Result 59 states and 80 transitions. [2022-11-22 00:27:50,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:27:50,150 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2022-11-22 00:27:50,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:27:50,151 INFO L225 Difference]: With dead ends: 59 [2022-11-22 00:27:50,151 INFO L226 Difference]: Without dead ends: 33 [2022-11-22 00:27:50,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:27:50,153 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 0 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:27:50,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:27:50,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-11-22 00:27:50,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-11-22 00:27:50,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.34375) internal successors, (43), 32 states have internal predecessors, (43), 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) [2022-11-22 00:27:50,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2022-11-22 00:27:50,159 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 43 transitions. Word has length 12 [2022-11-22 00:27:50,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:27:50,160 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 43 transitions. [2022-11-22 00:27:50,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-11-22 00:27:50,160 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2022-11-22 00:27:50,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-22 00:27:50,161 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:27:50,161 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:27:50,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/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 [2022-11-22 00:27:50,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/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 [2022-11-22 00:27:50,377 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 00:27:50,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:27:50,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1227406364, now seen corresponding path program 1 times [2022-11-22 00:27:50,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 00:27:50,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [633362695] [2022-11-22 00:27:50,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:27:50,378 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 [2022-11-22 00:27:50,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 00:27:50,381 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/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) [2022-11-22 00:27:50,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/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 [2022-11-22 00:27:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:27:50,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-22 00:27:50,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:27:51,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:27:51,593 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:27:51,593 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 00:27:51,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [633362695] [2022-11-22 00:27:51,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [633362695] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:27:51,594 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:27:51,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-22 00:27:51,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688772186] [2022-11-22 00:27:51,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:27:51,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 00:27:51,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 00:27:51,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 00:27:51,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-22 00:27:51,596 INFO L87 Difference]: Start difference. First operand 33 states and 43 transitions. Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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) [2022-11-22 00:27:52,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:27:52,937 INFO L93 Difference]: Finished difference Result 38 states and 47 transitions. [2022-11-22 00:27:52,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 00:27:52,970 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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 16 [2022-11-22 00:27:52,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:27:52,971 INFO L225 Difference]: With dead ends: 38 [2022-11-22 00:27:52,971 INFO L226 Difference]: Without dead ends: 18 [2022-11-22 00:27:52,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-22 00:27:52,973 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 29 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-22 00:27:52,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 32 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-22 00:27:52,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-11-22 00:27:52,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-11-22 00:27:52,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.0) internal successors, (17), 17 states have internal predecessors, (17), 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) [2022-11-22 00:27:52,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2022-11-22 00:27:52,978 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 16 [2022-11-22 00:27:52,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:27:52,979 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2022-11-22 00:27:52,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 states have internal predecessors, (16), 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) [2022-11-22 00:27:52,979 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2022-11-22 00:27:52,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-22 00:27:52,980 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:27:52,980 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:27:52,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/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 [2022-11-22 00:27:53,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/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 [2022-11-22 00:27:53,185 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 00:27:53,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:27:53,186 INFO L85 PathProgramCache]: Analyzing trace with hash -618100041, now seen corresponding path program 1 times [2022-11-22 00:27:53,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-22 00:27:53,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [336129945] [2022-11-22 00:27:53,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:27:53,187 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 [2022-11-22 00:27:53,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/mathsat [2022-11-22 00:27:53,188 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/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) [2022-11-22 00:27:53,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/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 [2022-11-22 00:27:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:27:53,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-22 00:27:53,837 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:27:54,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:27:54,657 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:27:54,657 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-22 00:27:54,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [336129945] [2022-11-22 00:27:54,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [336129945] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:27:54,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:27:54,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 00:27:54,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173075736] [2022-11-22 00:27:54,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:27:54,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 00:27:54,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-22 00:27:54,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 00:27:54,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-22 00:27:54,660 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 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) [2022-11-22 00:27:55,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:27:55,881 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2022-11-22 00:27:55,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 00:27:55,881 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 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 17 [2022-11-22 00:27:55,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:27:55,881 INFO L225 Difference]: With dead ends: 18 [2022-11-22 00:27:55,881 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 00:27:55,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-22 00:27:55,883 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 6 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-22 00:27:55,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 43 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-22 00:27:55,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 00:27:55,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 00:27:55,885 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) [2022-11-22 00:27:55,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 00:27:55,885 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2022-11-22 00:27:55,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:27:55,885 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 00:27:55,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 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) [2022-11-22 00:27:55,886 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 00:27:55,886 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 00:27:55,888 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-22 00:27:55,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/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 [2022-11-22 00:27:56,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/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 [2022-11-22 00:27:56,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-22 00:27:57,024 INFO L899 garLoopResultBuilder]: For program point L118-1(lines 118 122) no Hoare annotation was computed. [2022-11-22 00:27:57,024 INFO L895 garLoopResultBuilder]: At program point L118-2(lines 118 122) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short11#1| (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (fp.lt |ULTIMATE.start_main_~x~0#1| ((_ to_fp 8 24) currentRoundingMode (_ bv0 32))))) [2022-11-22 00:27:57,025 INFO L899 garLoopResultBuilder]: For program point L118-3(lines 118 122) no Hoare annotation was computed. [2022-11-22 00:27:57,025 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-22 00:27:57,025 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-22 00:27:57,025 INFO L899 garLoopResultBuilder]: For program point L45(lines 45 46) no Hoare annotation was computed. [2022-11-22 00:27:57,026 INFO L899 garLoopResultBuilder]: For program point L136(line 136) no Hoare annotation was computed. [2022-11-22 00:27:57,026 INFO L899 garLoopResultBuilder]: For program point L136-2(lines 136 145) no Hoare annotation was computed. [2022-11-22 00:27:57,026 INFO L899 garLoopResultBuilder]: For program point L70(lines 70 86) no Hoare annotation was computed. [2022-11-22 00:27:57,026 INFO L899 garLoopResultBuilder]: For program point L136-4(lines 136 145) no Hoare annotation was computed. [2022-11-22 00:27:57,026 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 54 58) no Hoare annotation was computed. [2022-11-22 00:27:57,027 INFO L895 garLoopResultBuilder]: At program point L54-2(lines 54 58) the Hoare annotation is: false [2022-11-22 00:27:57,027 INFO L899 garLoopResultBuilder]: For program point L71(lines 71 78) no Hoare annotation was computed. [2022-11-22 00:27:57,027 INFO L899 garLoopResultBuilder]: For program point L38-1(lines 38 42) no Hoare annotation was computed. [2022-11-22 00:27:57,027 INFO L895 garLoopResultBuilder]: At program point L38-2(lines 38 42) the Hoare annotation is: (and (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (exists ((currentRoundingMode RoundingMode)) (fp.lt |ULTIMATE.start___ieee754_logf_~x#1| ((_ to_fp 8 24) currentRoundingMode (_ bv0 32)))) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (fp.lt |ULTIMATE.start_main_~x~0#1| ((_ to_fp 8 24) currentRoundingMode (_ bv0 32))))) [2022-11-22 00:27:57,028 INFO L899 garLoopResultBuilder]: For program point L38-3(lines 38 42) no Hoare annotation was computed. [2022-11-22 00:27:57,028 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 63 67) no Hoare annotation was computed. [2022-11-22 00:27:57,028 INFO L895 garLoopResultBuilder]: At program point L63-2(lines 63 67) the Hoare annotation is: false [2022-11-22 00:27:57,028 INFO L899 garLoopResultBuilder]: For program point L63-3(lines 63 67) no Hoare annotation was computed. [2022-11-22 00:27:57,029 INFO L895 garLoopResultBuilder]: At program point L113(line 113) the Hoare annotation is: (and (exists ((|ULTIMATE.start___ieee754_logf_~x#1| (_ FloatingPoint 8 24))) (= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven |ULTIMATE.start___ieee754_logf_~x#1| |ULTIMATE.start___ieee754_logf_~x#1|) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) |ULTIMATE.start___ieee754_logf_#res#1|)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (exists ((currentRoundingMode RoundingMode)) (fp.lt (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_logf_~ix~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_logf_~ix~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_logf_~ix~1#1|)) ((_ to_fp 8 24) currentRoundingMode (_ bv0 32)))) (exists ((currentRoundingMode RoundingMode)) (fp.lt |ULTIMATE.start___ieee754_logf_~x#1| ((_ to_fp 8 24) currentRoundingMode (_ bv0 32)))) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (fp.lt |ULTIMATE.start_main_~x~0#1| ((_ to_fp 8 24) currentRoundingMode (_ bv0 32)))) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res#1|)) [2022-11-22 00:27:57,029 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 85) no Hoare annotation was computed. [2022-11-22 00:27:57,029 INFO L899 garLoopResultBuilder]: For program point L47(lines 47 48) no Hoare annotation was computed. [2022-11-22 00:27:57,029 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 108) no Hoare annotation was computed. [2022-11-22 00:27:57,030 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 77) no Hoare annotation was computed. [2022-11-22 00:27:57,030 INFO L899 garLoopResultBuilder]: For program point L97(lines 97 109) no Hoare annotation was computed. [2022-11-22 00:27:57,030 INFO L902 garLoopResultBuilder]: At program point L147(lines 127 148) the Hoare annotation is: true [2022-11-22 00:27:57,030 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-22 00:27:57,031 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 142) no Hoare annotation was computed. [2022-11-22 00:27:57,031 INFO L899 garLoopResultBuilder]: For program point L49(lines 49 50) no Hoare annotation was computed. [2022-11-22 00:27:57,031 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 103) no Hoare annotation was computed. [2022-11-22 00:27:57,031 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-22 00:27:57,031 INFO L895 garLoopResultBuilder]: At program point L124(lines 116 125) the Hoare annotation is: (and |ULTIMATE.start_main_#t~short11#1| (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (fp.lt |ULTIMATE.start_main_~x~0#1| ((_ to_fp 8 24) currentRoundingMode (_ bv0 32))))) [2022-11-22 00:27:57,032 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 144) no Hoare annotation was computed. [2022-11-22 00:27:57,032 INFO L895 garLoopResultBuilder]: At program point L108(lines 34 110) the Hoare annotation is: (and (exists ((|ULTIMATE.start___ieee754_logf_~x#1| (_ FloatingPoint 8 24))) (= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven |ULTIMATE.start___ieee754_logf_~x#1| |ULTIMATE.start___ieee754_logf_~x#1|) ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) |ULTIMATE.start___ieee754_logf_#res#1|)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ~zero_log~0) (exists ((currentRoundingMode RoundingMode)) (fp.lt (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_logf_~ix~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_logf_~ix~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_logf_~ix~1#1|)) ((_ to_fp 8 24) currentRoundingMode (_ bv0 32)))) (exists ((currentRoundingMode RoundingMode)) (fp.lt |ULTIMATE.start___ieee754_logf_~x#1| ((_ to_fp 8 24) currentRoundingMode (_ bv0 32)))) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (fp.lt |ULTIMATE.start_main_~x~0#1| ((_ to_fp 8 24) currentRoundingMode (_ bv0 32))))) [2022-11-22 00:27:57,032 INFO L899 garLoopResultBuilder]: For program point L51(lines 51 59) no Hoare annotation was computed. [2022-11-22 00:27:57,033 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 51 59) no Hoare annotation was computed. [2022-11-22 00:27:57,033 INFO L899 garLoopResultBuilder]: For program point L142(line 142) no Hoare annotation was computed. [2022-11-22 00:27:57,044 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-22 00:27:57,046 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 00:27:57,059 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,060 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,060 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x#1,QUANTIFIED] [2022-11-22 00:27:57,060 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x#1,QUANTIFIED] [2022-11-22 00:27:57,061 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,061 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,061 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,061 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,062 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,068 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,069 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,069 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x#1,QUANTIFIED] [2022-11-22 00:27:57,069 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x#1,QUANTIFIED] [2022-11-22 00:27:57,069 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,070 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,070 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,070 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,070 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,072 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,072 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,073 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,074 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,074 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,075 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,075 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x#1,QUANTIFIED] [2022-11-22 00:27:57,075 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x#1,QUANTIFIED] [2022-11-22 00:27:57,075 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,075 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,076 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,076 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,077 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,080 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,080 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,081 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x#1,QUANTIFIED] [2022-11-22 00:27:57,083 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x#1,QUANTIFIED] [2022-11-22 00:27:57,083 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,083 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,083 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,084 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,084 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,092 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,096 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,097 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,099 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,100 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,100 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,100 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,101 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,101 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,101 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:27:57 BoogieIcfgContainer [2022-11-22 00:27:57,103 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 00:27:57,104 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 00:27:57,104 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 00:27:57,104 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 00:27:57,105 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:27:48" (3/4) ... [2022-11-22 00:27:57,108 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 00:27:57,123 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-22 00:27:57,124 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-22 00:27:57,124 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-22 00:27:57,124 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 00:27:57,152 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((aux-x < 0 && isfinite_float(x)-aux && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32))) [2022-11-22 00:27:57,153 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((aux-x < 0 && isfinite_float(x)-aux && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32))) [2022-11-22 00:27:57,154 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32))) [2022-11-22 00:27:57,155 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\exists ULTIMATE.start___ieee754_logf_~x#1 : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_logf_~x#1, ULTIMATE.start___ieee754_logf_~x#1), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == \result) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32)))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32))) [2022-11-22 00:27:57,156 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\exists ULTIMATE.start___ieee754_logf_~x#1 : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_logf_~x#1, ULTIMATE.start___ieee754_logf_~x#1), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == \result) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32)))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32)))) && 1bv32 == \result [2022-11-22 00:27:57,194 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 00:27:57,194 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 00:27:57,194 INFO L158 Benchmark]: Toolchain (without parser) took 28200.35ms. Allocated memory is still 81.8MB. Free memory was 60.7MB in the beginning and 52.5MB in the end (delta: 8.1MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2022-11-22 00:27:57,195 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 60.8MB. Free memory is still 39.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:27:57,195 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.87ms. Allocated memory is still 81.8MB. Free memory was 60.4MB in the beginning and 47.2MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-22 00:27:57,195 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.95ms. Allocated memory is still 81.8MB. Free memory was 47.2MB in the beginning and 45.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:27:57,196 INFO L158 Benchmark]: Boogie Preprocessor took 45.22ms. Allocated memory is still 81.8MB. Free memory was 45.2MB in the beginning and 43.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:27:57,196 INFO L158 Benchmark]: RCFGBuilder took 18735.20ms. Allocated memory is still 81.8MB. Free memory was 43.1MB in the beginning and 47.4MB in the end (delta: -4.3MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2022-11-22 00:27:57,196 INFO L158 Benchmark]: TraceAbstraction took 8883.42ms. Allocated memory is still 81.8MB. Free memory was 46.6MB in the beginning and 56.7MB in the end (delta: -10.1MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2022-11-22 00:27:57,197 INFO L158 Benchmark]: Witness Printer took 90.20ms. Allocated memory is still 81.8MB. Free memory was 56.7MB in the beginning and 52.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 00:27:57,200 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 60.8MB. Free memory is still 39.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 390.87ms. Allocated memory is still 81.8MB. Free memory was 60.4MB in the beginning and 47.2MB in the end (delta: 13.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.95ms. Allocated memory is still 81.8MB. Free memory was 47.2MB in the beginning and 45.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.22ms. Allocated memory is still 81.8MB. Free memory was 45.2MB in the beginning and 43.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 18735.20ms. Allocated memory is still 81.8MB. Free memory was 43.1MB in the beginning and 47.4MB in the end (delta: -4.3MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8883.42ms. Allocated memory is still 81.8MB. Free memory was 46.6MB in the beginning and 56.7MB in the end (delta: -10.1MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * Witness Printer took 90.20ms. Allocated memory is still 81.8MB. Free memory was 56.7MB in the beginning and 52.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - 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[ULTIMATE.start___ieee754_logf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation 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[ULTIMATE.start___ieee754_logf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation 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] - 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[ULTIMATE.start___ieee754_logf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation 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[ULTIMATE.start___ieee754_logf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation 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] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * 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: 142]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35 mSDsluCounter, 207 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 91 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 116 mSDtfsCounter, 29 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 14 NumberOfFragments, 149 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 52 ConstructedInterpolants, 11 QuantifiedInterpolants, 245 SizeOfPredicates, 15 NumberOfNonLiveVariables, 243 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 113]: Loop Invariant [2022-11-22 00:27:57,213 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,214 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,214 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x#1,QUANTIFIED] [2022-11-22 00:27:57,214 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x#1,QUANTIFIED] [2022-11-22 00:27:57,214 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,215 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,215 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,215 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,215 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,216 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,216 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,216 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x#1,QUANTIFIED] [2022-11-22 00:27:57,216 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x#1,QUANTIFIED] [2022-11-22 00:27:57,216 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,217 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,217 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,217 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,217 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ((((((\exists ULTIMATE.start___ieee754_logf_~x#1 : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_logf_~x#1, ULTIMATE.start___ieee754_logf_~x#1), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == \result) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32)))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32)))) && 1bv32 == \result - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant [2022-11-22 00:27:57,218 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,218 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,219 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,219 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ((aux-x < 0 && isfinite_float(x)-aux && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32))) - InvariantResult [Line: 34]: Loop Invariant [2022-11-22 00:27:57,219 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,219 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,220 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x#1,QUANTIFIED] [2022-11-22 00:27:57,220 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x#1,QUANTIFIED] [2022-11-22 00:27:57,220 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,220 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,220 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,220 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,221 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,221 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,221 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,221 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x#1,QUANTIFIED] [2022-11-22 00:27:57,222 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_logf_~x#1,QUANTIFIED] [2022-11-22 00:27:57,222 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,222 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,222 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,222 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,223 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (((((\exists ULTIMATE.start___ieee754_logf_~x#1 : C_FLOAT :: ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_logf_~x#1, ULTIMATE.start___ieee754_logf_~x#1), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE())) == \result) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32)))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32))) - InvariantResult [Line: 118]: Loop Invariant [2022-11-22 00:27:57,223 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,223 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,224 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,224 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ((aux-x < 0 && isfinite_float(x)-aux && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32))) - InvariantResult [Line: 38]: Loop Invariant [2022-11-22 00:27:57,224 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,225 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,225 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,225 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-22 00:27:57,225 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-22 00:27:57,225 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE()) == zero_log && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32)))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 0bv32))) - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-22 00:27:57,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3558c48-8cfe-48e5-8bb1-d27e732a86f4/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE