./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1072c.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1072c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur --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 7dedcc4e0d73f8d6f04d58880e42c68da67c7fd6d90a8920279134db43221c4a --- 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-38b53e6 [2022-11-25 22:20:36,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:20:36,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:20:36,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:20:36,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:20:36,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:20:36,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:20:36,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:20:36,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:20:36,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:20:36,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:20:36,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:20:36,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:20:36,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:20:36,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:20:36,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:20:36,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:20:36,766 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:20:36,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:20:36,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:20:36,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:20:36,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:20:36,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:20:36,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:20:36,783 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:20:36,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:20:36,784 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:20:36,785 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:20:36,785 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:20:36,786 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:20:36,786 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:20:36,787 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:20:36,788 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:20:36,788 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:20:36,789 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:20:36,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:20:36,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:20:36,791 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:20:36,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:20:36,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:20:36,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:20:36,793 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-25 22:20:36,815 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:20:36,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:20:36,816 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:20:36,816 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:20:36,817 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:20:36,817 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:20:36,817 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:20:36,817 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:20:36,818 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:20:36,818 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:20:36,818 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:20:36,818 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:20:36,818 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:20:36,818 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:20:36,819 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:20:36,819 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:20:36,819 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:20:36,819 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:20:36,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:20:36,820 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:20:36,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:20:36,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:20:36,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:20:36,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:20:36,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:20:36,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:20:36,821 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:20:36,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:20:36,822 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:20:36,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:20:36,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:20:36,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:20:36,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:20:36,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:20:36,823 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:20:36,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:20:36,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:20:36,823 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:20:36,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:20:36,824 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:20:36,824 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:20:36,824 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_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dedcc4e0d73f8d6f04d58880e42c68da67c7fd6d90a8920279134db43221c4a [2022-11-25 22:20:37,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:20:37,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:20:37,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:20:37,150 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:20:37,150 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:20:37,152 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/float-newlib/double_req_bl_1072c.c [2022-11-25 22:20:40,217 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:20:40,502 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:20:40,502 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/sv-benchmarks/c/float-newlib/double_req_bl_1072c.c [2022-11-25 22:20:40,510 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/data/f51b46971/eb382d19fe8d4ee18f42edd959b3b3f7/FLAGe68dc07f7 [2022-11-25 22:20:40,534 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/data/f51b46971/eb382d19fe8d4ee18f42edd959b3b3f7 [2022-11-25 22:20:40,540 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:20:40,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:20:40,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:20:40,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:20:40,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:20:40,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:20:40" (1/1) ... [2022-11-25 22:20:40,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f364e43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:40, skipping insertion in model container [2022-11-25 22:20:40,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:20:40" (1/1) ... [2022-11-25 22:20:40,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:20:40,590 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:20:40,818 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_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/sv-benchmarks/c/float-newlib/double_req_bl_1072c.c[2112,2125] [2022-11-25 22:20:40,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:20:40,835 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:20:40,890 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_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/sv-benchmarks/c/float-newlib/double_req_bl_1072c.c[2112,2125] [2022-11-25 22:20:40,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:20:40,908 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:20:40,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:40 WrapperNode [2022-11-25 22:20:40,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:20:40,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:20:40,910 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:20:40,910 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:20:40,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:40" (1/1) ... [2022-11-25 22:20:40,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:40" (1/1) ... [2022-11-25 22:20:40,975 INFO L138 Inliner]: procedures = 17, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 118 [2022-11-25 22:20:40,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:20:40,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:20:40,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:20:40,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:20:40,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:40" (1/1) ... [2022-11-25 22:20:40,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:40" (1/1) ... [2022-11-25 22:20:40,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:40" (1/1) ... [2022-11-25 22:20:41,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:40" (1/1) ... [2022-11-25 22:20:41,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:40" (1/1) ... [2022-11-25 22:20:41,021 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:40" (1/1) ... [2022-11-25 22:20:41,023 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:40" (1/1) ... [2022-11-25 22:20:41,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:40" (1/1) ... [2022-11-25 22:20:41,026 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:20:41,027 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:20:41,028 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:20:41,028 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:20:41,029 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:40" (1/1) ... [2022-11-25 22:20:41,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:20:41,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:20:41,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:20:41,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:20:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:20:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:20:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:20:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-25 22:20:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:20:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-25 22:20:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:20:41,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:20:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:20:41,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:20:41,181 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:20:41,183 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:20:41,423 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:20:41,492 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:20:41,506 INFO L300 CfgBuilder]: Removed 10 assume(true) statements. [2022-11-25 22:20:41,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:20:41 BoogieIcfgContainer [2022-11-25 22:20:41,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:20:41,511 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:20:41,512 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:20:41,515 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:20:41,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:20:40" (1/3) ... [2022-11-25 22:20:41,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4386655c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:20:41, skipping insertion in model container [2022-11-25 22:20:41,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:40" (2/3) ... [2022-11-25 22:20:41,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4386655c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:20:41, skipping insertion in model container [2022-11-25 22:20:41,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:20:41" (3/3) ... [2022-11-25 22:20:41,518 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072c.c [2022-11-25 22:20:41,552 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:20:41,563 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 22:20:41,637 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:20:41,643 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;@6f29a62b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:20:41,644 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 22:20:41,647 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 23 states have (on average 1.7391304347826086) internal successors, (40), 24 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) [2022-11-25 22:20:41,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-25 22:20:41,654 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:20:41,655 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:20:41,655 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:20:41,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:20:41,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1957332529, now seen corresponding path program 1 times [2022-11-25 22:20:41,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:20:41,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229461906] [2022-11-25 22:20:41,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:20:41,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:20:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:20:41,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:20:41,869 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:20:41,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229461906] [2022-11-25 22:20:41,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229461906] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:20:41,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:20:41,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:20:41,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333539063] [2022-11-25 22:20:41,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:20:41,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 22:20:41,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:20:41,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 22:20:41,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 22:20:41,937 INFO L87 Difference]: Start difference. First operand has 25 states, 23 states have (on average 1.7391304347826086) internal successors, (40), 24 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 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:20:41,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:20:41,999 INFO L93 Difference]: Finished difference Result 49 states and 79 transitions. [2022-11-25 22:20:42,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 22:20:42,003 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-11-25 22:20:42,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:20:42,014 INFO L225 Difference]: With dead ends: 49 [2022-11-25 22:20:42,014 INFO L226 Difference]: Without dead ends: 23 [2022-11-25 22:20:42,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 22:20:42,024 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25 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 [2022-11-25 22:20:42,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:20:42,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-25 22:20:42,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-11-25 22:20:42,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 22 states have internal predecessors, (27), 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) [2022-11-25 22:20:42,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2022-11-25 22:20:42,072 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 10 [2022-11-25 22:20:42,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:20:42,074 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2022-11-25 22:20:42,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:20:42,075 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-11-25 22:20:42,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 22:20:42,077 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:20:42,078 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:20:42,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:20:42,079 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:20:42,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:20:42,080 INFO L85 PathProgramCache]: Analyzing trace with hash -336391374, now seen corresponding path program 1 times [2022-11-25 22:20:42,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:20:42,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999904615] [2022-11-25 22:20:42,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:20:42,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:20:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:20:42,147 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 22:20:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 22:20:42,201 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-25 22:20:42,202 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 22:20:42,204 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 22:20:42,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:20:42,211 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-25 22:20:42,215 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 22:20:42,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 10:20:42 BoogieIcfgContainer [2022-11-25 22:20:42,264 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 22:20:42,266 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 22:20:42,266 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 22:20:42,267 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 22:20:42,267 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:20:41" (3/4) ... [2022-11-25 22:20:42,271 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 22:20:42,272 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 22:20:42,272 INFO L158 Benchmark]: Toolchain (without parser) took 1728.43ms. Allocated memory is still 153.1MB. Free memory was 121.7MB in the beginning and 61.4MB in the end (delta: 60.3MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2022-11-25 22:20:42,273 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 153.1MB. Free memory is still 124.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:20:42,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.02ms. Allocated memory is still 153.1MB. Free memory was 121.2MB in the beginning and 110.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 22:20:42,279 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.70ms. Allocated memory is still 153.1MB. Free memory was 109.7MB in the beginning and 107.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:20:42,281 INFO L158 Benchmark]: Boogie Preprocessor took 50.59ms. Allocated memory is still 153.1MB. Free memory was 107.9MB in the beginning and 106.5MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 22:20:42,287 INFO L158 Benchmark]: RCFGBuilder took 482.20ms. Allocated memory is still 153.1MB. Free memory was 106.5MB in the beginning and 88.6MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 22:20:42,289 INFO L158 Benchmark]: TraceAbstraction took 752.80ms. Allocated memory is still 153.1MB. Free memory was 88.2MB in the beginning and 61.9MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-25 22:20:42,289 INFO L158 Benchmark]: Witness Printer took 5.77ms. Allocated memory is still 153.1MB. Free memory is still 61.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:20:42,294 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 153.1MB. Free memory is still 124.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.02ms. Allocated memory is still 153.1MB. Free memory was 121.2MB in the beginning and 110.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.70ms. Allocated memory is still 153.1MB. Free memory was 109.7MB in the beginning and 107.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 50.59ms. Allocated memory is still 153.1MB. Free memory was 107.9MB in the beginning and 106.5MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 482.20ms. Allocated memory is still 153.1MB. Free memory was 106.5MB in the beginning and 88.6MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 752.80ms. Allocated memory is still 153.1MB. Free memory was 88.2MB in the beginning and 61.9MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 5.77ms. Allocated memory is still 153.1MB. Free memory is still 61.4MB. 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: 88]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 83, overapproximation of bitwiseAnd at line 30, overapproximation of someBinaryArithmeticDOUBLEoperation at line 51, overapproximation of someBinaryDOUBLEComparisonOperation at line 87. Possible FailurePath: [L83] double x = -0.0; [L84] CALL, EXPR trunc_double(x) [L20] int signbit; [L21] int msw; [L22] unsigned int lsw; [L23] int exponent_less_1023; VAL [\old(x)=4294967304, x=4294967304] [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (msw) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (lsw) = ew_u.parts.lsw [L30] signbit = msw & 0x80000000 [L31] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 VAL [\old(x)=4294967304, exponent_less_1023=1024, lsw=4294967295, msw=-2, signbit=2147483647, x=4294967304] [L32] COND FALSE !(exponent_less_1023 < 20) VAL [\old(x)=4294967304, exponent_less_1023=1024, lsw=4294967295, msw=-2, signbit=2147483647, x=4294967304] [L49] COND TRUE exponent_less_1023 > 51 VAL [\old(x)=4294967304, exponent_less_1023=1024, lsw=4294967295, msw=-2, signbit=2147483647, x=4294967304] [L50] COND TRUE exponent_less_1023 == 1024 [L51] return x + x; VAL [\old(x)=4294967304, exponent_less_1023=1024, lsw=4294967295, msw=-2, signbit=2147483647, x=4294967304] [L84] RET, EXPR trunc_double(x) [L84] double res = trunc_double(x); [L87] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [res=4294967303, res == -0.0 && __signbit_double(res) == 1=0, x=4294967304] [L87] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L88] reach_error() VAL [res=4294967303, x=4294967304] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 25 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 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 [2022-11-25 22:20:42,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/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_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1072c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur --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 7dedcc4e0d73f8d6f04d58880e42c68da67c7fd6d90a8920279134db43221c4a --- 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-38b53e6 [2022-11-25 22:20:45,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:20:45,111 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:20:45,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:20:45,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:20:45,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:20:45,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:20:45,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:20:45,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:20:45,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:20:45,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:20:45,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:20:45,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:20:45,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:20:45,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:20:45,150 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:20:45,151 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:20:45,153 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:20:45,160 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:20:45,169 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:20:45,177 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:20:45,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:20:45,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:20:45,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:20:45,186 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:20:45,186 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:20:45,186 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:20:45,188 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:20:45,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:20:45,190 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:20:45,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:20:45,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:20:45,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:20:45,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:20:45,232 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:20:45,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:20:45,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:20:45,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:20:45,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:20:45,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:20:45,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:20:45,241 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-25 22:20:45,291 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:20:45,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:20:45,293 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:20:45,294 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:20:45,295 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:20:45,295 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:20:45,296 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:20:45,296 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:20:45,296 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:20:45,296 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:20:45,298 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:20:45,298 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:20:45,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:20:45,299 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 22:20:45,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 22:20:45,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:20:45,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:20:45,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:20:45,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:20:45,301 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 22:20:45,301 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 22:20:45,301 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 22:20:45,302 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 22:20:45,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:20:45,302 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:20:45,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:20:45,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:20:45,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 22:20:45,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:20:45,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:20:45,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:20:45,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:20:45,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:20:45,305 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 22:20:45,305 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 22:20:45,305 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:20:45,305 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:20:45,305 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 22:20:45,306 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_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7dedcc4e0d73f8d6f04d58880e42c68da67c7fd6d90a8920279134db43221c4a [2022-11-25 22:20:45,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:20:45,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:20:45,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:20:45,757 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:20:45,760 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:20:45,762 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/float-newlib/double_req_bl_1072c.c [2022-11-25 22:20:48,955 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:20:49,181 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:20:49,181 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/sv-benchmarks/c/float-newlib/double_req_bl_1072c.c [2022-11-25 22:20:49,189 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/data/5da68b79b/edeb5dfec5284679ae792454bc1ab45b/FLAG116711317 [2022-11-25 22:20:49,210 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/data/5da68b79b/edeb5dfec5284679ae792454bc1ab45b [2022-11-25 22:20:49,213 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:20:49,215 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:20:49,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:20:49,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:20:49,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:20:49,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:20:49" (1/1) ... [2022-11-25 22:20:49,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7638b0ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:49, skipping insertion in model container [2022-11-25 22:20:49,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:20:49" (1/1) ... [2022-11-25 22:20:49,236 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:20:49,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:20:49,560 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_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/sv-benchmarks/c/float-newlib/double_req_bl_1072c.c[2112,2125] [2022-11-25 22:20:49,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:20:49,591 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:20:49,648 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_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/sv-benchmarks/c/float-newlib/double_req_bl_1072c.c[2112,2125] [2022-11-25 22:20:49,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:20:49,675 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:20:49,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:49 WrapperNode [2022-11-25 22:20:49,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:20:49,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:20:49,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:20:49,678 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:20:49,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:49" (1/1) ... [2022-11-25 22:20:49,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:49" (1/1) ... [2022-11-25 22:20:49,756 INFO L138 Inliner]: procedures = 20, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2022-11-25 22:20:49,757 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:20:49,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:20:49,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:20:49,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:20:49,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:49" (1/1) ... [2022-11-25 22:20:49,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:49" (1/1) ... [2022-11-25 22:20:49,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:49" (1/1) ... [2022-11-25 22:20:49,779 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:49" (1/1) ... [2022-11-25 22:20:49,789 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:49" (1/1) ... [2022-11-25 22:20:49,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:49" (1/1) ... [2022-11-25 22:20:49,802 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:49" (1/1) ... [2022-11-25 22:20:49,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:49" (1/1) ... [2022-11-25 22:20:49,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:20:49,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:20:49,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:20:49,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:20:49,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:49" (1/1) ... [2022-11-25 22:20:49,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:20:49,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:20:49,859 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:20:49,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:20:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:20:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-11-25 22:20:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-11-25 22:20:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 22:20:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:20:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-25 22:20:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:20:49,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:20:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-25 22:20:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:20:50,026 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:20:50,029 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:20:50,446 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:20:50,452 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:20:50,452 INFO L300 CfgBuilder]: Removed 10 assume(true) statements. [2022-11-25 22:20:50,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:20:50 BoogieIcfgContainer [2022-11-25 22:20:50,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:20:50,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:20:50,458 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:20:50,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:20:50,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:20:49" (1/3) ... [2022-11-25 22:20:50,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1896446d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:20:50, skipping insertion in model container [2022-11-25 22:20:50,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:20:49" (2/3) ... [2022-11-25 22:20:50,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1896446d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:20:50, skipping insertion in model container [2022-11-25 22:20:50,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:20:50" (3/3) ... [2022-11-25 22:20:50,465 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1072c.c [2022-11-25 22:20:50,501 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:20:50,501 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 22:20:50,602 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:20:50,615 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;@71686ec2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:20:50,616 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 22:20:50,622 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 27 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) [2022-11-25 22:20:50,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 22:20:50,630 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:20:50,631 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:20:50,632 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:20:50,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:20:50,643 INFO L85 PathProgramCache]: Analyzing trace with hash 166150340, now seen corresponding path program 1 times [2022-11-25 22:20:50,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:20:50,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [333471459] [2022-11-25 22:20:50,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:20:50,659 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 [2022-11-25 22:20:50,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:20:50,667 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/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) [2022-11-25 22:20:50,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/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 [2022-11-25 22:20:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:20:50,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-25 22:20:50,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:20:50,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:20:50,883 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:20:50,883 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:20:50,884 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [333471459] [2022-11-25 22:20:50,884 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [333471459] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:20:50,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:20:50,885 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 22:20:50,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800475091] [2022-11-25 22:20:50,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:20:50,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-25 22:20:50,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:20:50,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-25 22:20:50,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-25 22:20:50,922 INFO L87 Difference]: Start difference. First operand has 28 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 27 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) 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) [2022-11-25 22:20:50,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:20:50,941 INFO L93 Difference]: Finished difference Result 54 states and 84 transitions. [2022-11-25 22:20:50,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 22:20:50,943 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 [2022-11-25 22:20:50,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:20:50,952 INFO L225 Difference]: With dead ends: 54 [2022-11-25 22:20:50,952 INFO L226 Difference]: Without dead ends: 25 [2022-11-25 22:20:50,955 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 [2022-11-25 22:20:50,959 INFO L413 NwaCegarLoop]: 32 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, 32 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 [2022-11-25 22:20:50,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 22:20:50,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-25 22:20:50,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-25 22:20:50,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 24 states have internal predecessors, (29), 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) [2022-11-25 22:20:50,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2022-11-25 22:20:50,991 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 11 [2022-11-25 22:20:50,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:20:50,992 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-11-25 22:20:50,992 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) [2022-11-25 22:20:50,993 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-11-25 22:20:50,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 22:20:50,993 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:20:50,993 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:20:51,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-25 22:20:51,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/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 [2022-11-25 22:20:51,208 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:20:51,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:20:51,209 INFO L85 PathProgramCache]: Analyzing trace with hash 786071265, now seen corresponding path program 1 times [2022-11-25 22:20:51,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:20:51,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1285079413] [2022-11-25 22:20:51,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:20:51,210 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 [2022-11-25 22:20:51,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:20:51,213 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/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) [2022-11-25 22:20:51,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/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 [2022-11-25 22:20:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:20:51,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-25 22:20:51,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:20:51,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 22:20:51,611 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:20:51,612 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 22:20:51,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1285079413] [2022-11-25 22:20:51,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1285079413] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:20:51,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:20:51,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:20:51,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618660153] [2022-11-25 22:20:51,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:20:51,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:20:51,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 22:20:51,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:20:51,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:20:51,630 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2022-11-25 22:20:51,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:20:51,803 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2022-11-25 22:20:51,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:20:51,804 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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 [2022-11-25 22:20:51,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:20:51,805 INFO L225 Difference]: With dead ends: 35 [2022-11-25 22:20:51,805 INFO L226 Difference]: Without dead ends: 19 [2022-11-25 22:20:51,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:20:51,807 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 34 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:20:51,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 29 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 22:20:51,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2022-11-25 22:20:51,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-11-25 22:20:51,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 18 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 22:20:51,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2022-11-25 22:20:51,816 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 12 [2022-11-25 22:20:51,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:20:51,816 INFO L495 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2022-11-25 22:20:51,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2022-11-25 22:20:51,817 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2022-11-25 22:20:51,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 22:20:51,818 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:20:51,818 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:20:51,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/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 [2022-11-25 22:20:52,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/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 [2022-11-25 22:20:52,036 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 22:20:52,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:20:52,037 INFO L85 PathProgramCache]: Analyzing trace with hash -660443026, now seen corresponding path program 1 times [2022-11-25 22:20:52,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 22:20:52,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [613424963] [2022-11-25 22:20:52,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:20:52,051 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 [2022-11-25 22:20:52,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 22:20:52,053 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/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) [2022-11-25 22:20:52,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/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 [2022-11-25 22:20:52,141 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/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)] Exception during sending of exit command (exit): Broken pipe [2022-11-25 22:20:52,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/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 139 [2022-11-25 22:20:52,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/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 [2022-11-25 22:20:52,342 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/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) with exit command (exit)) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:91) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/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) with exit command (exit)) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:317) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:215) ... 30 more Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 37 more [2022-11-25 22:20:52,346 INFO L158 Benchmark]: Toolchain (without parser) took 3130.80ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 50.6MB in the beginning and 100.2MB in the end (delta: -49.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:20:52,346 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory is still 69.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:20:52,347 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.23ms. Allocated memory is still 92.3MB. Free memory was 50.4MB in the beginning and 68.0MB in the end (delta: -17.5MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2022-11-25 22:20:52,347 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.78ms. Allocated memory is still 92.3MB. Free memory was 68.0MB in the beginning and 66.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:20:52,348 INFO L158 Benchmark]: Boogie Preprocessor took 49.27ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 64.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 22:20:52,348 INFO L158 Benchmark]: RCFGBuilder took 647.61ms. Allocated memory is still 92.3MB. Free memory was 64.1MB in the beginning and 49.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 22:20:52,348 INFO L158 Benchmark]: TraceAbstraction took 1888.02ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 48.9MB in the beginning and 100.2MB in the end (delta: -51.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 22:20:52,356 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory is still 69.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 459.23ms. Allocated memory is still 92.3MB. Free memory was 50.4MB in the beginning and 68.0MB in the end (delta: -17.5MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.78ms. Allocated memory is still 92.3MB. Free memory was 68.0MB in the beginning and 66.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.27ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 64.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 647.61ms. Allocated memory is still 92.3MB. Free memory was 64.1MB in the beginning and 49.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1888.02ms. Allocated memory was 92.3MB in the beginning and 125.8MB in the end (delta: 33.6MB). Free memory was 48.9MB in the beginning and 100.2MB in the end (delta: -51.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/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) with exit command (exit)) Received EOF on stdin. No stderr output. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/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) with exit command (exit)) Received EOF on stdin. No stderr output.: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-25 22:20:52,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/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: ERROR: ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0dbbef4c-aef1-4c74-9ec0-a62e5cca695a/bin/utaipan-ByfvJB40ur/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) with exit command (exit)) Received EOF on stdin. No stderr output.