./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0960b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0960b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c72c0ca439966d726ea428d2e5d54fbd46641fa32d4cc6b476f9457f7ee3a12a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 15:34:01,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:34:01,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:34:01,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:34:01,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:34:01,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:34:01,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:34:01,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:34:01,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:34:01,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:34:01,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:34:01,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:34:01,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:34:01,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:34:01,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:34:01,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:34:01,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:34:01,594 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:34:01,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:34:01,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:34:01,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:34:01,607 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:34:01,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:34:01,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:34:01,621 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:34:01,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:34:01,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:34:01,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:34:01,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:34:01,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:34:01,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:34:01,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:34:01,637 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:34:01,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:34:01,641 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:34:01,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:34:01,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:34:01,643 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:34:01,644 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:34:01,646 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:34:01,651 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:34:01,652 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 15:34:01,700 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:34:01,700 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:34:01,701 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:34:01,701 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:34:01,702 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:34:01,702 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:34:01,702 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:34:01,703 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:34:01,703 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:34:01,703 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:34:01,704 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:34:01,704 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:34:01,705 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:34:01,705 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:34:01,705 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:34:01,705 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:34:01,706 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:34:01,706 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:34:01,707 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:34:01,707 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:34:01,707 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:34:01,707 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:34:01,708 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:34:01,708 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:34:01,708 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:34:01,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:34:01,708 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:34:01,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:34:01,709 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:34:01,709 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:34:01,709 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:34:01,710 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:34:01,710 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:34:01,710 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:34:01,710 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:34:01,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:34:01,711 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:34:01,711 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:34:01,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:34:01,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:34:01,712 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:34:01,712 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_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c72c0ca439966d726ea428d2e5d54fbd46641fa32d4cc6b476f9457f7ee3a12a [2022-11-23 15:34:02,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:34:02,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:34:02,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:34:02,074 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:34:02,075 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:34:02,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/float-newlib/double_req_bl_0960b.c [2022-11-23 15:34:05,191 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:34:05,410 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:34:05,411 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/sv-benchmarks/c/float-newlib/double_req_bl_0960b.c [2022-11-23 15:34:05,418 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/data/c33e5943d/7c105d59d1a7446cb9c168e1e0640960/FLAG77651957d [2022-11-23 15:34:05,434 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/data/c33e5943d/7c105d59d1a7446cb9c168e1e0640960 [2022-11-23 15:34:05,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:34:05,439 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:34:05,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:34:05,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:34:05,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:34:05,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:34:05" (1/1) ... [2022-11-23 15:34:05,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@177204a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:05, skipping insertion in model container [2022-11-23 15:34:05,447 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:34:05" (1/1) ... [2022-11-23 15:34:05,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:34:05,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:34:05,801 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_dacdf33e-b44d-458a-a914-abeccb63aca2/sv-benchmarks/c/float-newlib/double_req_bl_0960b.c[4845,4858] [2022-11-23 15:34:05,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:34:05,816 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:34:05,856 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_dacdf33e-b44d-458a-a914-abeccb63aca2/sv-benchmarks/c/float-newlib/double_req_bl_0960b.c[4845,4858] [2022-11-23 15:34:05,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:34:05,872 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:34:05,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:05 WrapperNode [2022-11-23 15:34:05,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:34:05,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:34:05,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:34:05,874 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:34:05,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:05" (1/1) ... [2022-11-23 15:34:05,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:05" (1/1) ... [2022-11-23 15:34:05,940 INFO L138 Inliner]: procedures = 18, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 235 [2022-11-23 15:34:05,946 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:34:05,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:34:05,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:34:05,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:34:05,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:05" (1/1) ... [2022-11-23 15:34:05,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:05" (1/1) ... [2022-11-23 15:34:05,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:05" (1/1) ... [2022-11-23 15:34:05,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:05" (1/1) ... [2022-11-23 15:34:05,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:05" (1/1) ... [2022-11-23 15:34:06,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:05" (1/1) ... [2022-11-23 15:34:06,018 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:05" (1/1) ... [2022-11-23 15:34:06,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:05" (1/1) ... [2022-11-23 15:34:06,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:34:06,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:34:06,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:34:06,034 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:34:06,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:05" (1/1) ... [2022-11-23 15:34:06,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:34:06,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:34:06,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:34:06,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:34:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:34:06,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:34:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:34:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-23 15:34:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:34:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-23 15:34:06,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:34:06,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:34:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:34:06,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:34:06,320 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:34:06,323 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:34:07,069 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:34:07,167 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:34:07,168 INFO L300 CfgBuilder]: Removed 14 assume(true) statements. [2022-11-23 15:34:07,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:34:07 BoogieIcfgContainer [2022-11-23 15:34:07,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:34:07,177 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:34:07,177 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:34:07,181 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:34:07,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:34:05" (1/3) ... [2022-11-23 15:34:07,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c1e18d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:34:07, skipping insertion in model container [2022-11-23 15:34:07,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:05" (2/3) ... [2022-11-23 15:34:07,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c1e18d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:34:07, skipping insertion in model container [2022-11-23 15:34:07,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:34:07" (3/3) ... [2022-11-23 15:34:07,190 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0960b.c [2022-11-23 15:34:07,219 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:34:07,219 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:34:07,312 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:34:07,323 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;@19077e1c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:34:07,324 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:34:07,330 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 33 states have (on average 1.7272727272727273) internal successors, (57), 34 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:34:07,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 15:34:07,339 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:34:07,341 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:34:07,342 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:34:07,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:34:07,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1794980911, now seen corresponding path program 1 times [2022-11-23 15:34:07,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:34:07,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088844826] [2022-11-23 15:34:07,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:34:07,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:34:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:34:07,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:34:07,661 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:34:07,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088844826] [2022-11-23 15:34:07,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088844826] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:34:07,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:34:07,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:34:07,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606553937] [2022-11-23 15:34:07,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:34:07,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 15:34:07,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:34:07,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 15:34:07,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 15:34:07,714 INFO L87 Difference]: Start difference. First operand has 35 states, 33 states have (on average 1.7272727272727273) internal successors, (57), 34 states have internal predecessors, (57), 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) [2022-11-23 15:34:07,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:34:07,775 INFO L93 Difference]: Finished difference Result 69 states and 113 transitions. [2022-11-23 15:34:07,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 15:34:07,780 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 [2022-11-23 15:34:07,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:34:07,796 INFO L225 Difference]: With dead ends: 69 [2022-11-23 15:34:07,798 INFO L226 Difference]: Without dead ends: 33 [2022-11-23 15:34:07,803 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 [2022-11-23 15:34:07,812 INFO L413 NwaCegarLoop]: 38 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, 38 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 [2022-11-23 15:34:07,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:34:07,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-11-23 15:34:07,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-11-23 15:34:07,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 32 states have (on average 1.25) internal successors, (40), 32 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) [2022-11-23 15:34:07,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 40 transitions. [2022-11-23 15:34:07,872 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 40 transitions. Word has length 10 [2022-11-23 15:34:07,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:34:07,874 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 40 transitions. [2022-11-23 15:34:07,875 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) [2022-11-23 15:34:07,875 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2022-11-23 15:34:07,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 15:34:07,876 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:34:07,878 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:34:07,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:34:07,879 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:34:07,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:34:07,880 INFO L85 PathProgramCache]: Analyzing trace with hash -81492276, now seen corresponding path program 1 times [2022-11-23 15:34:07,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:34:07,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596519671] [2022-11-23 15:34:07,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:34:07,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:34:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:34:08,395 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 15:34:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:34:08,565 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-23 15:34:08,565 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 15:34:08,567 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 15:34:08,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:34:08,573 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-23 15:34:08,578 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:34:08,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:34:08 BoogieIcfgContainer [2022-11-23 15:34:08,629 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:34:08,630 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:34:08,630 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:34:08,630 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:34:08,631 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:34:07" (3/4) ... [2022-11-23 15:34:08,634 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 15:34:08,634 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:34:08,635 INFO L158 Benchmark]: Toolchain (without parser) took 3196.03ms. Allocated memory is still 138.4MB. Free memory was 97.2MB in the beginning and 61.0MB in the end (delta: 36.2MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2022-11-23 15:34:08,635 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:34:08,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.00ms. Allocated memory is still 138.4MB. Free memory was 97.2MB in the beginning and 103.3MB in the end (delta: -6.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 15:34:08,641 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.60ms. Allocated memory is still 138.4MB. Free memory was 102.8MB in the beginning and 100.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:34:08,643 INFO L158 Benchmark]: Boogie Preprocessor took 78.41ms. Allocated memory is still 138.4MB. Free memory was 100.2MB in the beginning and 97.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:34:08,649 INFO L158 Benchmark]: RCFGBuilder took 1146.29ms. Allocated memory is still 138.4MB. Free memory was 97.6MB in the beginning and 68.3MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-23 15:34:08,651 INFO L158 Benchmark]: TraceAbstraction took 1452.55ms. Allocated memory is still 138.4MB. Free memory was 67.8MB in the beginning and 61.6MB in the end (delta: 6.1MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2022-11-23 15:34:08,651 INFO L158 Benchmark]: Witness Printer took 4.41ms. Allocated memory is still 138.4MB. Free memory is still 61.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:34:08,656 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 433.00ms. Allocated memory is still 138.4MB. Free memory was 97.2MB in the beginning and 103.3MB in the end (delta: -6.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.60ms. Allocated memory is still 138.4MB. Free memory was 102.8MB in the beginning and 100.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.41ms. Allocated memory is still 138.4MB. Free memory was 100.2MB in the beginning and 97.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1146.29ms. Allocated memory is still 138.4MB. Free memory was 97.6MB in the beginning and 68.3MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1452.55ms. Allocated memory is still 138.4MB. Free memory was 67.8MB in the beginning and 61.6MB in the end (delta: 6.1MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Witness Printer took 4.41ms. Allocated memory is still 138.4MB. Free memory is still 61.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 188]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 29, overapproximation of someUnaryDOUBLEoperation at line 183, overapproximation of someBinaryArithmeticDOUBLEoperation at line 150, overapproximation of bitwiseAnd at line 28. Possible FailurePath: [L34-L43] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L45] static const double zero = 0.0; [L128-L131] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L133] static const double zero_log10 = 0.0; [L183] double x = -0.0; [L184] CALL, EXPR __ieee754_log10(x) [L136] double y, z; [L137] __int32_t i, k, hx; [L138] __uint32_t lx; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, unknown-#in~x-unknown=18014398509481996, x=18014398509481996, zero=0, zero_log10=0] [L141] ieee_double_shape_type ew_u; [L142] ew_u.value = (x) [L143] EXPR ew_u.parts.msw [L143] (hx) = ew_u.parts.msw [L144] EXPR ew_u.parts.lsw [L144] (lx) = ew_u.parts.lsw [L147] k = 0 VAL [hx=0, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=0, two54_log=18014398509481984, two54_log10=18014398509481984, unknown-#in~x-unknown=18014398509481996, x=18014398509481996, zero=0, zero_log10=0] [L148] COND TRUE hx < 0x00100000 VAL [hx=0, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=0, two54_log=18014398509481984, two54_log10=18014398509481984, unknown-#in~x-unknown=18014398509481996, x=18014398509481996, zero=0, zero_log10=0] [L149] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L150] return -two54_log10 / zero_log10; VAL [hx=0, ivln10_log10=108573620475812954167/250000000000000000000, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, lx=0, two54_log=18014398509481984, two54_log10=18014398509481984, unknown-#in~x-unknown=18014398509481996, x=18014398509481996, zero=0, zero_log10=0] [L184] RET, EXPR __ieee754_log10(x) [L184] double res = __ieee754_log10(x); [L187] CALL, EXPR isinf_double(res) [L21] __int32_t hx, lx; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, unknown-#in~x-unknown=18014398509481995, x=18014398509481995, zero=0, zero_log10=0] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (hx) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (lx) = ew_u.parts.lsw [L28] hx &= 0x7fffffff [L29] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L30] hx = 0x7ff00000 - hx [L31] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); [L187] RET, EXPR isinf_double(res) [L187] COND TRUE !isinf_double(res) [L188] reach_error() VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, res=18014398509481995, two54_log=18014398509481984, two54_log10=18014398509481984, x=18014398509481996, zero=0, zero_log10=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, 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, 38 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, 38 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=35occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 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 [2022-11-23 15:34:08,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0960b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c72c0ca439966d726ea428d2e5d54fbd46641fa32d4cc6b476f9457f7ee3a12a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 15:34:11,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:34:11,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:34:11,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:34:11,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:34:11,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:34:11,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:34:11,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:34:11,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:34:11,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:34:11,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:34:11,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:34:11,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:34:11,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:34:11,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:34:11,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:34:11,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:34:11,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:34:11,573 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:34:11,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:34:11,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:34:11,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:34:11,589 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:34:11,590 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:34:11,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:34:11,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:34:11,594 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:34:11,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:34:11,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:34:11,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:34:11,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:34:11,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:34:11,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:34:11,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:34:11,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:34:11,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:34:11,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:34:11,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:34:11,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:34:11,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:34:11,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:34:11,613 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-23 15:34:11,656 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:34:11,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:34:11,659 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:34:11,659 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:34:11,660 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:34:11,660 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:34:11,661 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:34:11,661 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:34:11,661 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:34:11,661 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:34:11,662 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:34:11,663 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:34:11,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:34:11,664 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:34:11,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:34:11,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:34:11,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:34:11,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:34:11,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:34:11,665 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 15:34:11,665 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 15:34:11,666 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 15:34:11,666 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:34:11,666 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:34:11,666 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:34:11,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:34:11,667 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:34:11,667 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 15:34:11,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:34:11,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:34:11,668 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:34:11,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:34:11,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:34:11,669 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 15:34:11,669 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 15:34:11,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:34:11,669 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:34:11,669 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 15:34:11,670 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_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c72c0ca439966d726ea428d2e5d54fbd46641fa32d4cc6b476f9457f7ee3a12a [2022-11-23 15:34:12,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:34:12,161 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:34:12,164 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:34:12,166 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:34:12,167 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:34:12,169 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/float-newlib/double_req_bl_0960b.c [2022-11-23 15:34:15,495 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:34:15,727 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:34:15,729 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/sv-benchmarks/c/float-newlib/double_req_bl_0960b.c [2022-11-23 15:34:15,736 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/data/ac564c564/af72f8d122d24c3b9ceb38a37e454016/FLAG05373ea20 [2022-11-23 15:34:15,751 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/data/ac564c564/af72f8d122d24c3b9ceb38a37e454016 [2022-11-23 15:34:15,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:34:15,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:34:15,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:34:15,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:34:15,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:34:15,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:34:15" (1/1) ... [2022-11-23 15:34:15,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b61a31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:15, skipping insertion in model container [2022-11-23 15:34:15,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:34:15" (1/1) ... [2022-11-23 15:34:15,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:34:15,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:34:16,010 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_dacdf33e-b44d-458a-a914-abeccb63aca2/sv-benchmarks/c/float-newlib/double_req_bl_0960b.c[4845,4858] [2022-11-23 15:34:16,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:34:16,049 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:34:16,155 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_dacdf33e-b44d-458a-a914-abeccb63aca2/sv-benchmarks/c/float-newlib/double_req_bl_0960b.c[4845,4858] [2022-11-23 15:34:16,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:34:16,177 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:34:16,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:16 WrapperNode [2022-11-23 15:34:16,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:34:16,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:34:16,180 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:34:16,180 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:34:16,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:16" (1/1) ... [2022-11-23 15:34:16,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:16" (1/1) ... [2022-11-23 15:34:16,245 INFO L138 Inliner]: procedures = 21, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 235 [2022-11-23 15:34:16,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:34:16,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:34:16,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:34:16,247 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:34:16,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:16" (1/1) ... [2022-11-23 15:34:16,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:16" (1/1) ... [2022-11-23 15:34:16,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:16" (1/1) ... [2022-11-23 15:34:16,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:16" (1/1) ... [2022-11-23 15:34:16,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:16" (1/1) ... [2022-11-23 15:34:16,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:16" (1/1) ... [2022-11-23 15:34:16,326 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:16" (1/1) ... [2022-11-23 15:34:16,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:16" (1/1) ... [2022-11-23 15:34:16,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:34:16,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:34:16,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:34:16,344 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:34:16,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:16" (1/1) ... [2022-11-23 15:34:16,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:34:16,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:34:16,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:34:16,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:34:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:34:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-11-23 15:34:16,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-11-23 15:34:16,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 15:34:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:34:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-23 15:34:16,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:34:16,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:34:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-23 15:34:16,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:34:16,607 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:34:16,609 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:34:49,629 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:34:49,634 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:34:49,634 INFO L300 CfgBuilder]: Removed 14 assume(true) statements. [2022-11-23 15:34:49,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:34:49 BoogieIcfgContainer [2022-11-23 15:34:49,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:34:49,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:34:49,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:34:49,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:34:49,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:34:15" (1/3) ... [2022-11-23 15:34:49,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b7d941b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:34:49, skipping insertion in model container [2022-11-23 15:34:49,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:34:16" (2/3) ... [2022-11-23 15:34:49,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b7d941b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:34:49, skipping insertion in model container [2022-11-23 15:34:49,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:34:49" (3/3) ... [2022-11-23 15:34:49,645 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0960b.c [2022-11-23 15:34:49,664 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:34:49,664 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:34:49,713 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:34:49,720 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;@3c05ada5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:34:49,720 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:34:49,725 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 43 states have (on average 1.7209302325581395) internal successors, (74), 44 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:34:49,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 15:34:49,735 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:34:49,735 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:34:49,736 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:34:49,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:34:49,745 INFO L85 PathProgramCache]: Analyzing trace with hash -306140874, now seen corresponding path program 1 times [2022-11-23 15:34:49,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:34:49,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2030757244] [2022-11-23 15:34:49,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:34:49,760 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:34:49,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:34:49,762 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 15:34:49,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-23 15:34:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:34:50,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-23 15:34:50,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:34:50,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:34:50,851 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:34:50,852 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:34:50,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2030757244] [2022-11-23 15:34:50,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2030757244] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:34:50,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:34:50,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:34:50,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357589147] [2022-11-23 15:34:50,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:34:50,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-23 15:34:50,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:34:50,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-23 15:34:50,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 15:34:50,901 INFO L87 Difference]: Start difference. First operand has 45 states, 43 states have (on average 1.7209302325581395) internal successors, (74), 44 states have internal predecessors, (74), 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 6.0) internal successors, (12), 2 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) [2022-11-23 15:34:50,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:34:50,927 INFO L93 Difference]: Finished difference Result 88 states and 146 transitions. [2022-11-23 15:34:50,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-23 15:34:50,929 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 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 [2022-11-23 15:34:50,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:34:50,941 INFO L225 Difference]: With dead ends: 88 [2022-11-23 15:34:50,941 INFO L226 Difference]: Without dead ends: 42 [2022-11-23 15:34:50,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-23 15:34:50,949 INFO L413 NwaCegarLoop]: 59 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, 59 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:34:50,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:34:50,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-23 15:34:50,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-11-23 15:34:50,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 41 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:34:50,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2022-11-23 15:34:50,990 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 12 [2022-11-23 15:34:50,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:34:50,991 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2022-11-23 15:34:50,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 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) [2022-11-23 15:34:50,992 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2022-11-23 15:34:50,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-23 15:34:50,993 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:34:50,993 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:34:51,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:34:51,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:34:51,199 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:34:51,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:34:51,200 INFO L85 PathProgramCache]: Analyzing trace with hash 1933005595, now seen corresponding path program 1 times [2022-11-23 15:34:51,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:34:51,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1746865478] [2022-11-23 15:34:51,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:34:51,201 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:34:51,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:34:51,203 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 15:34:51,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-23 15:34:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:34:52,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 17 conjunts are in the unsatisfiable core [2022-11-23 15:34:52,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:34:54,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:34:54,686 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:34:54,686 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:34:54,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1746865478] [2022-11-23 15:34:54,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1746865478] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:34:54,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:34:54,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 15:34:54,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301934965] [2022-11-23 15:34:54,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:34:54,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 15:34:54,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:34:54,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 15:34:54,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:34:54,691 INFO L87 Difference]: Start difference. First operand 42 states and 56 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:35:01,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 15:35:10,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 15:35:12,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 15:35:13,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 15:35:19,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 15:35:24,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 15:35:27,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 15:35:30,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 15:35:32,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 15:35:35,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 15:35:37,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 15:35:40,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.57s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 15:35:42,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 15:35:45,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 15:35:45,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:35:45,380 INFO L93 Difference]: Finished difference Result 66 states and 82 transitions. [2022-11-23 15:35:45,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:35:45,389 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 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 14 [2022-11-23 15:35:45,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:35:45,390 INFO L225 Difference]: With dead ends: 66 [2022-11-23 15:35:45,390 INFO L226 Difference]: Without dead ends: 58 [2022-11-23 15:35:45,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2022-11-23 15:35:45,392 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 49 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:35:45,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 246 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 12 Unknown, 0 Unchecked, 48.7s Time] [2022-11-23 15:35:45,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-23 15:35:45,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 42. [2022-11-23 15:35:45,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 41 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:35:45,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 55 transitions. [2022-11-23 15:35:45,399 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 55 transitions. Word has length 14 [2022-11-23 15:35:45,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:35:45,399 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 55 transitions. [2022-11-23 15:35:45,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:35:45,400 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2022-11-23 15:35:45,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-23 15:35:45,400 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:35:45,400 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:35:45,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-11-23 15:35:45,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:35:45,601 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:35:45,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:35:45,602 INFO L85 PathProgramCache]: Analyzing trace with hash 2124356858, now seen corresponding path program 1 times [2022-11-23 15:35:45,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:35:45,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [755238842] [2022-11-23 15:35:45,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:35:45,603 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:35:45,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:35:45,604 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 15:35:45,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-23 15:35:45,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:35:45,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-23 15:35:45,799 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:35:46,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:35:46,306 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:35:46,306 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:35:46,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [755238842] [2022-11-23 15:35:46,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [755238842] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:35:46,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:35:46,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:35:46,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851281328] [2022-11-23 15:35:46,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:35:46,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:35:46,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:35:46,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:35:46,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:35:46,309 INFO L87 Difference]: Start difference. First operand 42 states and 55 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:35:48,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:35:48,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:35:48,874 INFO L93 Difference]: Finished difference Result 50 states and 62 transitions. [2022-11-23 15:35:48,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:35:48,912 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 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 14 [2022-11-23 15:35:48,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:35:48,913 INFO L225 Difference]: With dead ends: 50 [2022-11-23 15:35:48,913 INFO L226 Difference]: Without dead ends: 16 [2022-11-23 15:35:48,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:35:48,915 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 23 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:35:48,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 13 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-23 15:35:48,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-23 15:35:48,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-23 15:35:48,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0) internal successors, (15), 15 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:35:48,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2022-11-23 15:35:48,920 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 14 [2022-11-23 15:35:48,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:35:48,920 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2022-11-23 15:35:48,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:35:48,921 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2022-11-23 15:35:48,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-23 15:35:48,921 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:35:48,922 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:35:48,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-23 15:35:49,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:35:49,142 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:35:49,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:35:49,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1233905145, now seen corresponding path program 1 times [2022-11-23 15:35:49,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:35:49,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [990420422] [2022-11-23 15:35:49,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:35:49,144 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:35:49,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:35:49,145 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 15:35:49,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-23 15:35:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:35:50,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-23 15:35:50,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:35:51,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:35:51,194 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:35:51,194 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:35:51,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [990420422] [2022-11-23 15:35:51,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [990420422] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:35:51,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:35:51,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:35:51,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248392880] [2022-11-23 15:35:51,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:35:51,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:35:51,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:35:51,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:35:51,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:35:51,196 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:35:51,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:35:51,447 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2022-11-23 15:35:51,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:35:51,448 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-23 15:35:51,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:35:51,449 INFO L225 Difference]: With dead ends: 16 [2022-11-23 15:35:51,449 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 15:35:51,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:35:51,451 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:35:51,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 6 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:35:51,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 15:35:51,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 15:35:51,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:35:51,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 15:35:51,456 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2022-11-23 15:35:51,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:35:51,456 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 15:35:51,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:35:51,457 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 15:35:51,457 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 15:35:51,460 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 15:35:51,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-23 15:35:51,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:35:51,663 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 15:35:52,728 INFO L902 garLoopResultBuilder]: At program point L192(lines 177 193) the Hoare annotation is: true [2022-11-23 15:35:52,729 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 72) no Hoare annotation was computed. [2022-11-23 15:35:52,729 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 47 126) no Hoare annotation was computed. [2022-11-23 15:35:52,729 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 152) no Hoare annotation was computed. [2022-11-23 15:35:52,730 INFO L899 garLoopResultBuilder]: For program point L52-1(lines 52 57) no Hoare annotation was computed. [2022-11-23 15:35:52,730 INFO L895 garLoopResultBuilder]: At program point L52-2(lines 52 57) the Hoare annotation is: false [2022-11-23 15:35:52,730 INFO L899 garLoopResultBuilder]: For program point L52-3(lines 52 57) no Hoare annotation was computed. [2022-11-23 15:35:52,730 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 15:35:52,730 INFO L899 garLoopResultBuilder]: For program point L61(lines 61 62) no Hoare annotation was computed. [2022-11-23 15:35:52,730 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-23 15:35:52,730 INFO L899 garLoopResultBuilder]: For program point L86(lines 86 102) no Hoare annotation was computed. [2022-11-23 15:35:52,730 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 78 83) no Hoare annotation was computed. [2022-11-23 15:35:52,731 INFO L895 garLoopResultBuilder]: At program point L78-2(lines 78 83) the Hoare annotation is: false [2022-11-23 15:35:52,731 INFO L899 garLoopResultBuilder]: For program point L78-3(lines 78 83) no Hoare annotation was computed. [2022-11-23 15:35:52,731 INFO L899 garLoopResultBuilder]: For program point L87(lines 87 94) no Hoare annotation was computed. [2022-11-23 15:35:52,731 INFO L899 garLoopResultBuilder]: For program point L96(lines 96 101) no Hoare annotation was computed. [2022-11-23 15:35:52,731 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 64) no Hoare annotation was computed. [2022-11-23 15:35:52,731 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 190) no Hoare annotation was computed. [2022-11-23 15:35:52,731 INFO L899 garLoopResultBuilder]: For program point L121(lines 121 124) no Hoare annotation was computed. [2022-11-23 15:35:52,732 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 93) no Hoare annotation was computed. [2022-11-23 15:35:52,732 INFO L899 garLoopResultBuilder]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2022-11-23 15:35:52,732 INFO L895 garLoopResultBuilder]: At program point L22-2(lines 22 27) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_log10_#res#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 18014398509481984.0)) (_ +zero 11 53)))) (= ~two54_log10~0 ((_ to_fp 11 53) currentRoundingMode 18014398509481984.0)) (= (_ +zero 11 53) ~zero_log10~0) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 18014398509481984.0)) (_ +zero 11 53)) |ULTIMATE.start_isinf_double_~x#1|))) [2022-11-23 15:35:52,733 INFO L899 garLoopResultBuilder]: For program point L22-3(lines 22 27) no Hoare annotation was computed. [2022-11-23 15:35:52,733 INFO L899 garLoopResultBuilder]: For program point L113(lines 113 125) no Hoare annotation was computed. [2022-11-23 15:35:52,734 INFO L895 garLoopResultBuilder]: At program point L31(lines 20 32) the Hoare annotation is: (and (exists ((|v_skolemized_q#valueAsBitvector_17| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_17|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_17|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_17|)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 18014398509481984.0)) (_ +zero 11 53))) (= |ULTIMATE.start_isinf_double_#res#1| (bvadd (bvneg (bvlshr (let ((.cse0 (bvadd (bvneg (bvor (bvlshr (let ((.cse1 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_17|))) (bvor .cse1 (bvneg .cse1))) (_ bv31 32)) (bvand (_ bv2147483647 32) ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_17|)))) (_ bv2146435072 32)))) (bvor (bvneg .cse0) .cse0)) (_ bv31 32))) (_ bv1 32))))) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_log10_#res#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 18014398509481984.0)) (_ +zero 11 53)))) (= ~two54_log10~0 ((_ to_fp 11 53) currentRoundingMode 18014398509481984.0)) (= (_ +zero 11 53) ~zero_log10~0) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 18014398509481984.0)) (_ +zero 11 53)) |ULTIMATE.start_isinf_double_~x#1|))) [2022-11-23 15:35:52,734 INFO L899 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2022-11-23 15:35:52,734 INFO L899 garLoopResultBuilder]: For program point L155-1(lines 155 159) no Hoare annotation was computed. [2022-11-23 15:35:52,734 INFO L895 garLoopResultBuilder]: At program point L155-2(lines 155 159) the Hoare annotation is: false [2022-11-23 15:35:52,735 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 15:35:52,735 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 188) no Hoare annotation was computed. [2022-11-23 15:35:52,735 INFO L899 garLoopResultBuilder]: For program point L148(lines 148 160) no Hoare annotation was computed. [2022-11-23 15:35:52,735 INFO L899 garLoopResultBuilder]: For program point L148-1(lines 135 175) no Hoare annotation was computed. [2022-11-23 15:35:52,736 INFO L899 garLoopResultBuilder]: For program point L115(lines 115 119) no Hoare annotation was computed. [2022-11-23 15:35:52,736 INFO L899 garLoopResultBuilder]: For program point L140-1(lines 140 145) no Hoare annotation was computed. [2022-11-23 15:35:52,736 INFO L895 garLoopResultBuilder]: At program point L140-2(lines 140 145) the Hoare annotation is: (and (= ~two54_log10~0 ((_ to_fp 11 53) currentRoundingMode 18014398509481984.0)) (= (_ +zero 11 53) ~zero_log10~0) (= (fp.neg (_ +zero 11 53)) |ULTIMATE.start___ieee754_log10_~x#1|)) [2022-11-23 15:35:52,737 INFO L899 garLoopResultBuilder]: For program point L140-3(lines 140 145) no Hoare annotation was computed. [2022-11-23 15:35:52,737 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 15:35:52,737 INFO L895 garLoopResultBuilder]: At program point L124(lines 47 126) the Hoare annotation is: false [2022-11-23 15:35:52,737 INFO L899 garLoopResultBuilder]: For program point L149(lines 149 150) no Hoare annotation was computed. [2022-11-23 15:35:52,738 INFO L895 garLoopResultBuilder]: At program point L174(lines 135 175) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_log10_#res#1| (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 18014398509481984.0)) (_ +zero 11 53)))) (= ~two54_log10~0 ((_ to_fp 11 53) currentRoundingMode 18014398509481984.0)) (= (_ +zero 11 53) ~zero_log10~0)) [2022-11-23 15:35:52,738 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 67 71) no Hoare annotation was computed. [2022-11-23 15:35:52,738 INFO L895 garLoopResultBuilder]: At program point L67-2(lines 67 71) the Hoare annotation is: false [2022-11-23 15:35:52,738 INFO L899 garLoopResultBuilder]: For program point L167-1(lines 167 172) no Hoare annotation was computed. [2022-11-23 15:35:52,738 INFO L895 garLoopResultBuilder]: At program point L167-2(lines 167 172) the Hoare annotation is: false [2022-11-23 15:35:52,739 INFO L899 garLoopResultBuilder]: For program point L167-3(lines 167 172) no Hoare annotation was computed. [2022-11-23 15:35:52,743 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-23 15:35:52,745 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:35:52,754 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,755 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,760 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,760 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,763 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,763 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,764 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,764 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,764 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,764 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,764 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,765 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,765 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,765 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,766 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,766 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,766 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,766 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,767 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,768 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,768 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,768 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,769 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,769 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,769 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,769 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,769 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,770 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,770 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,770 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,771 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,771 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,771 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,771 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,772 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,773 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,773 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,773 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,774 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,774 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,774 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,775 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:35:52 BoogieIcfgContainer [2022-11-23 15:35:52,776 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:35:52,776 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:35:52,776 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:35:52,777 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:35:52,777 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:34:49" (3/4) ... [2022-11-23 15:35:52,780 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 15:35:52,792 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-11-23 15:35:52,793 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-23 15:35:52,793 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 15:35:52,794 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 15:35:52,820 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists currentRoundingMode : FloatRoundingMode :: \result == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE())) && two54_log10 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.8014398509481984E16)) && ~Pluszero~LONGDOUBLE() == zero_log10 [2022-11-23 15:35:52,821 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists currentRoundingMode : FloatRoundingMode :: \result == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE())) && two54_log10 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.8014398509481984E16)) && ~Pluszero~LONGDOUBLE() == zero_log10) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == x) [2022-11-23 15:35:52,822 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists v_skolemized_q#valueAsBitvector_17 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_17[63:63], v_skolemized_q#valueAsBitvector_17[62:52], v_skolemized_q#valueAsBitvector_17[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) && \result == ~bvadd128(~bvneg128(~bvlshr32(~bvor32(~bvneg128(~bvadd128(~bvneg128(~bvor32(~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_17[31:0], ~bvneg128(v_skolemized_q#valueAsBitvector_17[31:0])), 31bv32), ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_17[63:32]))), 2146435072bv32)), ~bvadd128(~bvneg128(~bvor32(~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_17[31:0], ~bvneg128(v_skolemized_q#valueAsBitvector_17[31:0])), 31bv32), ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_17[63:32]))), 2146435072bv32)), 31bv32)), 1bv32)) && (\exists currentRoundingMode : FloatRoundingMode :: \result == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()))) && two54_log10 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.8014398509481984E16)) && ~Pluszero~LONGDOUBLE() == zero_log10) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == x) [2022-11-23 15:35:52,845 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 15:35:52,845 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:35:52,846 INFO L158 Benchmark]: Toolchain (without parser) took 97090.62ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 40.7MB in the beginning and 38.7MB in the end (delta: 1.9MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2022-11-23 15:35:52,846 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 69.2MB. Free memory was 47.5MB in the beginning and 47.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:35:52,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.55ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 40.5MB in the beginning and 68.3MB in the end (delta: -27.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 15:35:52,847 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.21ms. Allocated memory is still 90.2MB. Free memory was 68.3MB in the beginning and 65.9MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 15:35:52,848 INFO L158 Benchmark]: Boogie Preprocessor took 96.76ms. Allocated memory is still 90.2MB. Free memory was 65.9MB in the beginning and 63.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:35:52,848 INFO L158 Benchmark]: RCFGBuilder took 33292.22ms. Allocated memory is still 90.2MB. Free memory was 63.5MB in the beginning and 66.9MB in the end (delta: -3.4MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2022-11-23 15:35:52,849 INFO L158 Benchmark]: TraceAbstraction took 63137.85ms. Allocated memory is still 90.2MB. Free memory was 66.1MB in the beginning and 43.6MB in the end (delta: 22.5MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2022-11-23 15:35:52,849 INFO L158 Benchmark]: Witness Printer took 69.10ms. Allocated memory is still 90.2MB. Free memory was 43.6MB in the beginning and 38.7MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 15:35:52,851 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 69.2MB. Free memory was 47.5MB in the beginning and 47.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 421.55ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 40.5MB in the beginning and 68.3MB in the end (delta: -27.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.21ms. Allocated memory is still 90.2MB. Free memory was 68.3MB in the beginning and 65.9MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.76ms. Allocated memory is still 90.2MB. Free memory was 65.9MB in the beginning and 63.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 33292.22ms. Allocated memory is still 90.2MB. Free memory was 63.5MB in the beginning and 66.9MB in the end (delta: -3.4MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. * TraceAbstraction took 63137.85ms. Allocated memory is still 90.2MB. Free memory was 66.1MB in the beginning and 43.6MB in the end (delta: 22.5MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * Witness Printer took 69.10ms. Allocated memory is still 90.2MB. Free memory was 43.6MB in the beginning and 38.7MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 188]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 63.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 53.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 12 mSolverCounterUnknown, 76 SdHoareTripleChecker+Valid, 51.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 324 SdHoareTripleChecker+Invalid, 48.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 212 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 80 IncrementalHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 112 mSDtfsCounter, 80 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 4.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 16 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 16 NumberOfFragments, 155 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 51 ConstructedInterpolants, 13 QuantifiedInterpolants, 406 SizeOfPredicates, 22 NumberOfNonLiveVariables, 277 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 135]: Loop Invariant [2022-11-23 15:35:52,876 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,877 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,877 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,879 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ((\exists currentRoundingMode : FloatRoundingMode :: \result == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE())) && two54_log10 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.8014398509481984E16)) && ~Pluszero~LONGDOUBLE() == zero_log10 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: (two54_log10 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.8014398509481984E16) && ~Pluszero~LONGDOUBLE() == zero_log10) && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 20]: Loop Invariant [2022-11-23 15:35:52,886 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,886 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,887 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,887 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,887 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,887 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,887 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,888 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,894 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,894 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,895 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,895 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,895 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,895 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,896 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,896 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,897 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,897 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,897 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,897 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,897 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,898 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,898 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,898 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,898 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,899 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_17,QUANTIFIED] [2022-11-23 15:35:52,899 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,899 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,899 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,899 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ((((\exists v_skolemized_q#valueAsBitvector_17 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_17[63:63], v_skolemized_q#valueAsBitvector_17[62:52], v_skolemized_q#valueAsBitvector_17[51:0]) == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) && \result == ~bvadd128(~bvneg128(~bvlshr32(~bvor32(~bvneg128(~bvadd128(~bvneg128(~bvor32(~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_17[31:0], ~bvneg128(v_skolemized_q#valueAsBitvector_17[31:0])), 31bv32), ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_17[63:32]))), 2146435072bv32)), ~bvadd128(~bvneg128(~bvor32(~bvlshr32(~bvor32(v_skolemized_q#valueAsBitvector_17[31:0], ~bvneg128(v_skolemized_q#valueAsBitvector_17[31:0])), 31bv32), ~bvand32(2147483647bv32, v_skolemized_q#valueAsBitvector_17[63:32]))), 2146435072bv32)), 31bv32)), 1bv32)) && (\exists currentRoundingMode : FloatRoundingMode :: \result == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()))) && two54_log10 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.8014398509481984E16)) && ~Pluszero~LONGDOUBLE() == zero_log10) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant [2022-11-23 15:35:52,901 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,901 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,901 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,910 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,910 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,911 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,911 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-23 15:35:52,911 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (((\exists currentRoundingMode : FloatRoundingMode :: \result == ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE())) && two54_log10 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.8014398509481984E16)) && ~Pluszero~LONGDOUBLE() == zero_log10) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.8014398509481984E16)), ~Pluszero~LONGDOUBLE()) == x) RESULT: Ultimate proved your program to be correct! [2022-11-23 15:35:53,129 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2022-11-23 15:35:53,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dacdf33e-b44d-458a-a914-abeccb63aca2/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE