./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0682a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0682a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI --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 2a0b335900eb7ac8340f6fa1728e72682341270c88357da83af9b58560bc536f --- 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-5e519f3 [2022-11-03 03:48:12,569 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:48:12,571 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:48:12,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:48:12,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:48:12,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:48:12,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:48:12,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:48:12,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:48:12,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:48:12,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:48:12,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:48:12,610 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:48:12,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:48:12,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:48:12,614 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:48:12,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:48:12,616 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:48:12,618 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:48:12,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:48:12,622 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:48:12,623 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:48:12,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:48:12,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:48:12,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:48:12,630 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:48:12,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:48:12,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:48:12,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:48:12,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:48:12,634 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:48:12,635 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:48:12,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:48:12,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:48:12,638 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:48:12,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:48:12,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:48:12,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:48:12,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:48:12,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:48:12,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:48:12,643 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 03:48:12,667 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:48:12,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:48:12,668 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:48:12,668 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:48:12,669 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:48:12,669 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:48:12,670 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:48:12,670 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:48:12,670 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:48:12,670 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:48:12,671 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:48:12,671 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:48:12,671 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:48:12,672 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:48:12,672 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:48:12,672 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:48:12,672 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:48:12,673 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:48:12,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:48:12,674 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 03:48:12,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:48:12,674 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 03:48:12,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:48:12,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:48:12,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:48:12,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:48:12,676 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 03:48:12,676 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:48:12,676 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:48:12,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:48:12,677 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:48:12,677 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:48:12,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:48:12,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:48:12,678 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:48:12,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:48:12,678 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:48:12,679 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:48:12,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:48:12,679 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:48:12,679 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:48:12,680 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_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a0b335900eb7ac8340f6fa1728e72682341270c88357da83af9b58560bc536f [2022-11-03 03:48:12,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:48:12,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:48:12,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:48:12,974 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:48:12,975 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:48:12,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/float-newlib/float_req_bl_0682a.c [2022-11-03 03:48:13,066 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/data/252f8b35a/359ad0e60fb746719b172ca2d312a5e9/FLAGa09982ac1 [2022-11-03 03:48:13,558 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:48:13,559 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/sv-benchmarks/c/float-newlib/float_req_bl_0682a.c [2022-11-03 03:48:13,574 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/data/252f8b35a/359ad0e60fb746719b172ca2d312a5e9/FLAGa09982ac1 [2022-11-03 03:48:13,932 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/data/252f8b35a/359ad0e60fb746719b172ca2d312a5e9 [2022-11-03 03:48:13,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:48:13,938 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:48:13,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:48:13,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:48:13,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:48:13,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:48:13" (1/1) ... [2022-11-03 03:48:13,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c8c19ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:13, skipping insertion in model container [2022-11-03 03:48:13,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:48:13" (1/1) ... [2022-11-03 03:48:13,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:48:13,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:48:14,253 WARN L230 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_1a008e2c-122d-4552-866d-6a9310e857bf/sv-benchmarks/c/float-newlib/float_req_bl_0682a.c[5568,5581] [2022-11-03 03:48:14,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:48:14,266 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:48:14,306 WARN L230 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_1a008e2c-122d-4552-866d-6a9310e857bf/sv-benchmarks/c/float-newlib/float_req_bl_0682a.c[5568,5581] [2022-11-03 03:48:14,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:48:14,324 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:48:14,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:14 WrapperNode [2022-11-03 03:48:14,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:48:14,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:48:14,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:48:14,326 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:48:14,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:14" (1/1) ... [2022-11-03 03:48:14,349 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:14" (1/1) ... [2022-11-03 03:48:14,376 INFO L138 Inliner]: procedures = 20, calls = 84, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 238 [2022-11-03 03:48:14,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:48:14,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:48:14,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:48:14,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:48:14,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:14" (1/1) ... [2022-11-03 03:48:14,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:14" (1/1) ... [2022-11-03 03:48:14,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:14" (1/1) ... [2022-11-03 03:48:14,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:14" (1/1) ... [2022-11-03 03:48:14,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:14" (1/1) ... [2022-11-03 03:48:14,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:14" (1/1) ... [2022-11-03 03:48:14,415 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:14" (1/1) ... [2022-11-03 03:48:14,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:14" (1/1) ... [2022-11-03 03:48:14,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:48:14,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:48:14,437 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:48:14,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:48:14,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:14" (1/1) ... [2022-11-03 03:48:14,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:48:14,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:48:14,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:48:14,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:48:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:48:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:48:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:48:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-11-03 03:48:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:48:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-11-03 03:48:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-11-03 03:48:14,527 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-11-03 03:48:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:48:14,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:48:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:48:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2022-11-03 03:48:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2022-11-03 03:48:14,528 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2022-11-03 03:48:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:48:14,673 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:48:14,675 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:48:15,195 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:48:15,270 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:48:15,274 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-11-03 03:48:15,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:48:15 BoogieIcfgContainer [2022-11-03 03:48:15,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:48:15,280 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:48:15,282 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:48:15,286 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:48:15,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:48:13" (1/3) ... [2022-11-03 03:48:15,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@549fea63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:48:15, skipping insertion in model container [2022-11-03 03:48:15,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:14" (2/3) ... [2022-11-03 03:48:15,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@549fea63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:48:15, skipping insertion in model container [2022-11-03 03:48:15,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:48:15" (3/3) ... [2022-11-03 03:48:15,292 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0682a.c [2022-11-03 03:48:15,315 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:48:15,315 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:48:15,399 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:48:15,410 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;@4ce8e0dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:48:15,411 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:48:15,416 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 64 states have (on average 1.703125) internal successors, (109), 65 states have internal predecessors, (109), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 03:48:15,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-03 03:48:15,425 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:48:15,425 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:48:15,426 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:48:15,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:48:15,432 INFO L85 PathProgramCache]: Analyzing trace with hash -1749894934, now seen corresponding path program 1 times [2022-11-03 03:48:15,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:48:15,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570912471] [2022-11-03 03:48:15,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:48:15,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:48:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:48:15,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:48:15,644 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:48:15,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570912471] [2022-11-03 03:48:15,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570912471] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:48:15,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:48:15,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 03:48:15,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571932795] [2022-11-03 03:48:15,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:48:15,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 03:48:15,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:48:15,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 03:48:15,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 03:48:15,697 INFO L87 Difference]: Start difference. First operand has 72 states, 64 states have (on average 1.703125) internal successors, (109), 65 states have internal predecessors, (109), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) 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) [2022-11-03 03:48:15,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:48:15,755 INFO L93 Difference]: Finished difference Result 143 states and 237 transitions. [2022-11-03 03:48:15,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 03:48:15,758 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 [2022-11-03 03:48:15,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:48:15,786 INFO L225 Difference]: With dead ends: 143 [2022-11-03 03:48:15,787 INFO L226 Difference]: Without dead ends: 69 [2022-11-03 03:48:15,795 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 [2022-11-03 03:48:15,804 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:48:15,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 03:48:15,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-11-03 03:48:15,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2022-11-03 03:48:15,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 62 states have (on average 1.4193548387096775) internal successors, (88), 62 states have internal predecessors, (88), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 03:48:15,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 96 transitions. [2022-11-03 03:48:15,898 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 96 transitions. Word has length 12 [2022-11-03 03:48:15,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:48:15,899 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 96 transitions. [2022-11-03 03:48:15,900 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) [2022-11-03 03:48:15,900 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 96 transitions. [2022-11-03 03:48:15,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-03 03:48:15,902 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:48:15,903 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:48:15,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:48:15,903 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:48:15,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:48:15,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1002918344, now seen corresponding path program 1 times [2022-11-03 03:48:15,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:48:15,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014767202] [2022-11-03 03:48:15,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:48:15,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:48:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 03:48:16,048 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 03:48:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 03:48:16,178 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 03:48:16,179 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 03:48:16,181 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 03:48:16,185 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:48:16,189 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-03 03:48:16,193 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 03:48:16,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 03:48:16 BoogieIcfgContainer [2022-11-03 03:48:16,250 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 03:48:16,251 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 03:48:16,251 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 03:48:16,251 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 03:48:16,252 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:48:15" (3/4) ... [2022-11-03 03:48:16,257 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 03:48:16,257 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 03:48:16,262 INFO L158 Benchmark]: Toolchain (without parser) took 2322.23ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 54.7MB in the beginning and 61.1MB in the end (delta: -6.4MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2022-11-03 03:48:16,263 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 88.1MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:48:16,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.93ms. Allocated memory is still 88.1MB. Free memory was 54.5MB in the beginning and 59.5MB in the end (delta: -5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 03:48:16,269 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.59ms. Allocated memory is still 88.1MB. Free memory was 59.5MB in the beginning and 57.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 03:48:16,270 INFO L158 Benchmark]: Boogie Preprocessor took 44.90ms. Allocated memory is still 88.1MB. Free memory was 57.1MB in the beginning and 54.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 03:48:16,271 INFO L158 Benchmark]: RCFGBuilder took 854.82ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 54.2MB in the beginning and 69.8MB in the end (delta: -15.6MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2022-11-03 03:48:16,272 INFO L158 Benchmark]: TraceAbstraction took 970.59ms. Allocated memory is still 107.0MB. Free memory was 69.3MB in the beginning and 61.1MB in the end (delta: 8.2MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2022-11-03 03:48:16,272 INFO L158 Benchmark]: Witness Printer took 8.78ms. Allocated memory is still 107.0MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:48:16,279 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 88.1MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.93ms. Allocated memory is still 88.1MB. Free memory was 54.5MB in the beginning and 59.5MB in the end (delta: -5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.59ms. Allocated memory is still 88.1MB. Free memory was 59.5MB in the beginning and 57.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.90ms. Allocated memory is still 88.1MB. Free memory was 57.1MB in the beginning and 54.5MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 854.82ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 54.2MB in the beginning and 69.8MB in the end (delta: -15.6MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * TraceAbstraction took 970.59ms. Allocated memory is still 107.0MB. Free memory was 69.3MB in the beginning and 61.1MB in the end (delta: 8.2MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Witness Printer took 8.78ms. Allocated memory is still 107.0MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 244]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 243, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of bitwiseAnd at line 135, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L236] float x = -1.0f / 0.0f; [L237] float y = __VERIFIER_nondet_float(); [L239] CALL, EXPR isfinite_float(y) [L219] __int32_t ix; VAL [\old(x)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000001, zero_atan2=0] [L221] ieee_float_shape_type gf_u; [L222] gf_u.value = (x) [L223] EXPR gf_u.word [L223] (ix) = gf_u.word [L225] ix &= 0x7fffffff [L226] return (((ix) < 0x7f800000L)); [L239] RET, EXPR isfinite_float(y) [L239] COND TRUE isfinite_float(y) && y < 0.0f [L240] CALL, EXPR __ieee754_atan2f(y, x) [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=1000000000000000000000000000003, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000003, y=1000000000000000000000000000001, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [\old(x)=1000000000000000000000000000003, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483647, ix=0, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000003, y=1000000000000000000000000000001, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [\old(x)=1000000000000000000000000000003, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483647, hy=-1, ix=0, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000003, y=1000000000000000000000000000001, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [\old(x)=1000000000000000000000000000003, \old(y)=1000000000000000000000000000001, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2147483647, hy=-1, ix=0, iy=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000003, y=1000000000000000000000000000001, zero_atan2=0] [L240] RET, EXPR __ieee754_atan2f(y, x) [L240] float res = __ieee754_atan2f(y, x); [L243] COND TRUE res != -pi VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000002, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000003, y=1000000000000000000000000000001, zero_atan2=0] [L244] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=1000000000000000000000000000002, tiny_atan2=1/1000000000000000000000000000000, x=1000000000000000000000000000003, y=1000000000000000000000000000001, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 86 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 86 mSDtfsCounter, 14 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=72occurred 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 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 [2022-11-03 03:48:16,337 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0682a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI --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 2a0b335900eb7ac8340f6fa1728e72682341270c88357da83af9b58560bc536f --- 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-5e519f3 [2022-11-03 03:48:18,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:48:18,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:48:18,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:48:18,705 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:48:18,706 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:48:18,708 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:48:18,710 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:48:18,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:48:18,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:48:18,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:48:18,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:48:18,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:48:18,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:48:18,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:48:18,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:48:18,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:48:18,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:48:18,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:48:18,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:48:18,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:48:18,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:48:18,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:48:18,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:48:18,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:48:18,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:48:18,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:48:18,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:48:18,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:48:18,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:48:18,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:48:18,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:48:18,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:48:18,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:48:18,748 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:48:18,748 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:48:18,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:48:18,749 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:48:18,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:48:18,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:48:18,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:48:18,752 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2022-11-03 03:48:18,791 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:48:18,791 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:48:18,793 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:48:18,793 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:48:18,794 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:48:18,794 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:48:18,794 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:48:18,794 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:48:18,794 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:48:18,795 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:48:18,795 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:48:18,796 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:48:18,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:48:18,797 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 03:48:18,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 03:48:18,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:48:18,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:48:18,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:48:18,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:48:18,798 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 03:48:18,798 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 03:48:18,799 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 03:48:18,799 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 03:48:18,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:48:18,799 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:48:18,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:48:18,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:48:18,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 03:48:18,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:48:18,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:48:18,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:48:18,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:48:18,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:48:18,801 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 03:48:18,801 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 03:48:18,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:48:18,802 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:48:18,802 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 03:48:18,802 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_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a0b335900eb7ac8340f6fa1728e72682341270c88357da83af9b58560bc536f [2022-11-03 03:48:19,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:48:19,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:48:19,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:48:19,241 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:48:19,242 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:48:19,248 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/float-newlib/float_req_bl_0682a.c [2022-11-03 03:48:19,331 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/data/c6d19bdb8/f1050c3da5d4421a965ffb7c7068ed78/FLAG2551996bd [2022-11-03 03:48:19,854 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:48:19,855 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/sv-benchmarks/c/float-newlib/float_req_bl_0682a.c [2022-11-03 03:48:19,865 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/data/c6d19bdb8/f1050c3da5d4421a965ffb7c7068ed78/FLAG2551996bd [2022-11-03 03:48:20,196 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/data/c6d19bdb8/f1050c3da5d4421a965ffb7c7068ed78 [2022-11-03 03:48:20,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:48:20,200 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:48:20,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:48:20,202 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:48:20,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:48:20,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:48:20" (1/1) ... [2022-11-03 03:48:20,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ecef885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:20, skipping insertion in model container [2022-11-03 03:48:20,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:48:20" (1/1) ... [2022-11-03 03:48:20,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:48:20,241 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:48:20,502 WARN L230 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_1a008e2c-122d-4552-866d-6a9310e857bf/sv-benchmarks/c/float-newlib/float_req_bl_0682a.c[5568,5581] [2022-11-03 03:48:20,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:48:20,519 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:48:20,563 WARN L230 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_1a008e2c-122d-4552-866d-6a9310e857bf/sv-benchmarks/c/float-newlib/float_req_bl_0682a.c[5568,5581] [2022-11-03 03:48:20,564 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:48:20,584 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:48:20,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:20 WrapperNode [2022-11-03 03:48:20,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:48:20,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:48:20,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:48:20,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:48:20,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:20" (1/1) ... [2022-11-03 03:48:20,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:20" (1/1) ... [2022-11-03 03:48:20,653 INFO L138 Inliner]: procedures = 23, calls = 84, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 238 [2022-11-03 03:48:20,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:48:20,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:48:20,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:48:20,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:48:20,666 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:20" (1/1) ... [2022-11-03 03:48:20,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:20" (1/1) ... [2022-11-03 03:48:20,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:20" (1/1) ... [2022-11-03 03:48:20,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:20" (1/1) ... [2022-11-03 03:48:20,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:20" (1/1) ... [2022-11-03 03:48:20,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:20" (1/1) ... [2022-11-03 03:48:20,705 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:20" (1/1) ... [2022-11-03 03:48:20,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:20" (1/1) ... [2022-11-03 03:48:20,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:48:20,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:48:20,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:48:20,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:48:20,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:20" (1/1) ... [2022-11-03 03:48:20,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:48:20,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:48:20,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:48:20,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:48:20,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:48:20,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2022-11-03 03:48:20,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-03 03:48:20,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:48:20,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2022-11-03 03:48:20,824 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2022-11-03 03:48:20,824 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2022-11-03 03:48:20,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-03 03:48:20,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:48:20,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:48:20,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2022-11-03 03:48:20,847 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2022-11-03 03:48:20,847 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2022-11-03 03:48:20,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-03 03:48:20,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:48:20,952 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:48:20,955 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:48:31,798 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:48:31,807 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:48:31,807 INFO L300 CfgBuilder]: Removed 16 assume(true) statements. [2022-11-03 03:48:31,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:48:31 BoogieIcfgContainer [2022-11-03 03:48:31,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:48:31,813 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:48:31,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:48:31,817 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:48:31,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:48:20" (1/3) ... [2022-11-03 03:48:31,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ad27e00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:48:31, skipping insertion in model container [2022-11-03 03:48:31,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:48:20" (2/3) ... [2022-11-03 03:48:31,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ad27e00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:48:31, skipping insertion in model container [2022-11-03 03:48:31,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:48:31" (3/3) ... [2022-11-03 03:48:31,837 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0682a.c [2022-11-03 03:48:31,855 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:48:31,855 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 03:48:31,909 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:48:31,916 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;@77d8a99b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:48:31,916 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 03:48:31,921 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 88 states have (on average 1.6477272727272727) internal successors, (145), 89 states have internal predecessors, (145), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 03:48:31,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-03 03:48:31,929 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:48:31,930 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:48:31,931 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:48:31,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:48:31,937 INFO L85 PathProgramCache]: Analyzing trace with hash -540288573, now seen corresponding path program 1 times [2022-11-03 03:48:31,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:48:31,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1912252147] [2022-11-03 03:48:31,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:48:31,952 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:48:31,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:48:31,957 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:48:32,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 03:48:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:48:33,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-03 03:48:33,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:48:33,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:48:33,129 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:48:33,130 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:48:33,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1912252147] [2022-11-03 03:48:33,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1912252147] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:48:33,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:48:33,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 03:48:33,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344615081] [2022-11-03 03:48:33,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:48:33,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 03:48:33,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:48:33,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 03:48:33,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 03:48:33,177 INFO L87 Difference]: Start difference. First operand has 96 states, 88 states have (on average 1.6477272727272727) internal successors, (145), 89 states have internal predecessors, (145), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 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) [2022-11-03 03:48:33,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:48:33,208 INFO L93 Difference]: Finished difference Result 190 states and 308 transitions. [2022-11-03 03:48:33,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 03:48:33,210 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 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 [2022-11-03 03:48:33,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:48:33,219 INFO L225 Difference]: With dead ends: 190 [2022-11-03 03:48:33,219 INFO L226 Difference]: Without dead ends: 92 [2022-11-03 03:48:33,223 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 03:48:33,226 INFO L413 NwaCegarLoop]: 136 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, 136 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 [2022-11-03 03:48:33,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 03:48:33,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-03 03:48:33,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2022-11-03 03:48:33,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 85 states have (on average 1.4470588235294117) internal successors, (123), 85 states have internal predecessors, (123), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 03:48:33,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 131 transitions. [2022-11-03 03:48:33,268 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 131 transitions. Word has length 14 [2022-11-03 03:48:33,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:48:33,269 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 131 transitions. [2022-11-03 03:48:33,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 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) [2022-11-03 03:48:33,269 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2022-11-03 03:48:33,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-03 03:48:33,270 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:48:33,270 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:48:33,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-03 03:48:33,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:48:33,476 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:48:33,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:48:33,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1209401097, now seen corresponding path program 1 times [2022-11-03 03:48:33,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:48:33,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1865672716] [2022-11-03 03:48:33,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:48:33,478 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:48:33,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:48:33,480 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:48:33,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-03 03:48:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:48:34,601 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-03 03:48:34,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:48:34,993 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 03:48:35,459 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 21 [2022-11-03 03:48:38,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:48:38,011 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:48:38,012 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:48:38,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1865672716] [2022-11-03 03:48:38,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1865672716] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:48:38,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:48:38,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 03:48:38,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110756336] [2022-11-03 03:48:38,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:48:38,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 03:48:38,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:48:38,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 03:48:38,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=42, Unknown=1, NotChecked=0, Total=56 [2022-11-03 03:48:38,016 INFO L87 Difference]: Start difference. First operand 92 states and 131 transitions. Second operand has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:48:38,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:48:38,042 INFO L93 Difference]: Finished difference Result 96 states and 134 transitions. [2022-11-03 03:48:38,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:48:38,043 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2022-11-03 03:48:38,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:48:38,045 INFO L225 Difference]: With dead ends: 96 [2022-11-03 03:48:38,045 INFO L226 Difference]: Without dead ends: 92 [2022-11-03 03:48:38,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=13, Invalid=42, Unknown=1, NotChecked=0, Total=56 [2022-11-03 03:48:38,047 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 677 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 66 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:48:38,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 801 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 66 Unchecked, 0.0s Time] [2022-11-03 03:48:38,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-03 03:48:38,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2022-11-03 03:48:38,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 85 states have (on average 1.4352941176470588) internal successors, (122), 85 states have internal predecessors, (122), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 03:48:38,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 130 transitions. [2022-11-03 03:48:38,059 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 130 transitions. Word has length 17 [2022-11-03 03:48:38,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:48:38,060 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 130 transitions. [2022-11-03 03:48:38,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:48:38,060 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 130 transitions. [2022-11-03 03:48:38,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-03 03:48:38,061 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:48:38,061 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:48:38,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-03 03:48:38,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:48:38,284 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:48:38,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:48:38,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1450439137, now seen corresponding path program 1 times [2022-11-03 03:48:38,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:48:38,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2078531206] [2022-11-03 03:48:38,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:48:38,286 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:48:38,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:48:38,287 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:48:38,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-03 03:48:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:48:39,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-03 03:48:39,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:48:40,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:48:40,052 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:48:40,052 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:48:40,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2078531206] [2022-11-03 03:48:40,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2078531206] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:48:40,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:48:40,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:48:40,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299367988] [2022-11-03 03:48:40,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:48:40,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:48:40,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:48:40,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:48:40,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:48:40,062 INFO L87 Difference]: Start difference. First operand 92 states and 130 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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) [2022-11-03 03:48:40,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:48:40,086 INFO L93 Difference]: Finished difference Result 100 states and 136 transitions. [2022-11-03 03:48:40,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 03:48:40,087 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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 22 [2022-11-03 03:48:40,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:48:40,090 INFO L225 Difference]: With dead ends: 100 [2022-11-03 03:48:40,092 INFO L226 Difference]: Without dead ends: 94 [2022-11-03 03:48:40,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:48:40,095 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 16 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 13 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:48:40,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 572 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 13 Unchecked, 0.0s Time] [2022-11-03 03:48:40,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-11-03 03:48:40,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 90. [2022-11-03 03:48:40,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 83 states have (on average 1.4216867469879517) internal successors, (118), 83 states have internal predecessors, (118), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 03:48:40,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 126 transitions. [2022-11-03 03:48:40,114 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 126 transitions. Word has length 22 [2022-11-03 03:48:40,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:48:40,115 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 126 transitions. [2022-11-03 03:48:40,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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) [2022-11-03 03:48:40,115 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 126 transitions. [2022-11-03 03:48:40,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-03 03:48:40,117 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:48:40,117 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:48:40,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-03 03:48:40,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:48:40,331 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:48:40,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:48:40,332 INFO L85 PathProgramCache]: Analyzing trace with hash -947623069, now seen corresponding path program 1 times [2022-11-03 03:48:40,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:48:40,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1424510548] [2022-11-03 03:48:40,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:48:40,333 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:48:40,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:48:40,334 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:48:40,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-03 03:48:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:48:41,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-03 03:48:41,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:48:41,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:48:41,899 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:48:41,899 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:48:41,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1424510548] [2022-11-03 03:48:41,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1424510548] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:48:41,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:48:41,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:48:41,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205614648] [2022-11-03 03:48:41,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:48:41,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:48:41,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:48:41,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:48:41,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:48:41,902 INFO L87 Difference]: Start difference. First operand 90 states and 126 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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) [2022-11-03 03:48:44,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 03:48:44,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:48:44,534 INFO L93 Difference]: Finished difference Result 160 states and 224 transitions. [2022-11-03 03:48:44,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 03:48:44,571 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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 22 [2022-11-03 03:48:44,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:48:44,572 INFO L225 Difference]: With dead ends: 160 [2022-11-03 03:48:44,572 INFO L226 Difference]: Without dead ends: 88 [2022-11-03 03:48:44,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:48:44,574 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 9 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:48:44,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 432 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 10 Unchecked, 2.3s Time] [2022-11-03 03:48:44,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2022-11-03 03:48:44,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 84. [2022-11-03 03:48:44,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 77 states have (on average 1.3896103896103895) internal successors, (107), 77 states have internal predecessors, (107), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 03:48:44,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 115 transitions. [2022-11-03 03:48:44,584 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 115 transitions. Word has length 22 [2022-11-03 03:48:44,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:48:44,584 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 115 transitions. [2022-11-03 03:48:44,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 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) [2022-11-03 03:48:44,585 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 115 transitions. [2022-11-03 03:48:44,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-03 03:48:44,586 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:48:44,586 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:48:44,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-03 03:48:44,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:48:44,793 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:48:44,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:48:44,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1672952196, now seen corresponding path program 1 times [2022-11-03 03:48:44,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:48:44,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1908899664] [2022-11-03 03:48:44,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:48:44,795 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:48:44,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:48:44,796 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:48:44,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-03 03:48:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:48:45,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-03 03:48:45,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:48:49,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:48:49,861 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:48:49,861 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:48:49,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1908899664] [2022-11-03 03:48:49,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1908899664] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:48:49,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:48:49,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 03:48:49,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459358208] [2022-11-03 03:48:49,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:48:49,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-03 03:48:49,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:48:49,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-03 03:48:49,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=56, Unknown=1, NotChecked=0, Total=72 [2022-11-03 03:48:49,864 INFO L87 Difference]: Start difference. First operand 84 states and 115 transitions. Second operand has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 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) [2022-11-03 03:48:51,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:48:51,304 INFO L93 Difference]: Finished difference Result 142 states and 192 transitions. [2022-11-03 03:48:51,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 03:48:51,304 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 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 23 [2022-11-03 03:48:51,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:48:51,305 INFO L225 Difference]: With dead ends: 142 [2022-11-03 03:48:51,306 INFO L226 Difference]: Without dead ends: 84 [2022-11-03 03:48:51,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=23, Invalid=86, Unknown=1, NotChecked=0, Total=110 [2022-11-03 03:48:51,307 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 8 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 25 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:48:51,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 751 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 25 Unchecked, 0.0s Time] [2022-11-03 03:48:51,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-11-03 03:48:51,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 79. [2022-11-03 03:48:51,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 72 states have (on average 1.3472222222222223) internal successors, (97), 72 states have internal predecessors, (97), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 03:48:51,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 105 transitions. [2022-11-03 03:48:51,318 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 105 transitions. Word has length 23 [2022-11-03 03:48:51,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:48:51,318 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 105 transitions. [2022-11-03 03:48:51,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.5555555555555554) internal successors, (23), 9 states have internal predecessors, (23), 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) [2022-11-03 03:48:51,318 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 105 transitions. [2022-11-03 03:48:51,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-03 03:48:51,319 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:48:51,320 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:48:51,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-11-03 03:48:51,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:48:51,533 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:48:51,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:48:51,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1695831684, now seen corresponding path program 1 times [2022-11-03 03:48:51,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:48:51,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1901072513] [2022-11-03 03:48:51,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:48:51,535 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:48:51,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:48:51,535 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:48:51,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-03 03:48:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:48:52,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-03 03:48:52,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:48:53,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:48:53,289 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:48:53,289 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:48:53,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1901072513] [2022-11-03 03:48:53,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1901072513] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:48:53,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:48:53,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-03 03:48:53,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499755354] [2022-11-03 03:48:53,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:48:53,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 03:48:53,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:48:53,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 03:48:53,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:48:53,294 INFO L87 Difference]: Start difference. First operand 79 states and 105 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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) [2022-11-03 03:48:53,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:48:53,565 INFO L93 Difference]: Finished difference Result 96 states and 126 transitions. [2022-11-03 03:48:53,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:48:53,566 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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 23 [2022-11-03 03:48:53,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:48:53,567 INFO L225 Difference]: With dead ends: 96 [2022-11-03 03:48:53,567 INFO L226 Difference]: Without dead ends: 92 [2022-11-03 03:48:53,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:48:53,569 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 14 mSDsluCounter, 472 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 573 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 21 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:48:53,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 573 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 21 Unchecked, 0.3s Time] [2022-11-03 03:48:53,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-03 03:48:53,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 79. [2022-11-03 03:48:53,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 72 states have (on average 1.3333333333333333) internal successors, (96), 72 states have internal predecessors, (96), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 03:48:53,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 104 transitions. [2022-11-03 03:48:53,580 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 104 transitions. Word has length 23 [2022-11-03 03:48:53,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:48:53,580 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 104 transitions. [2022-11-03 03:48:53,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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) [2022-11-03 03:48:53,581 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 104 transitions. [2022-11-03 03:48:53,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 03:48:53,582 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:48:53,582 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:48:53,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-03 03:48:53,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:48:53,797 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:48:53,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:48:53,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1030248478, now seen corresponding path program 1 times [2022-11-03 03:48:53,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:48:53,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1960740371] [2022-11-03 03:48:53,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:48:53,798 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:48:53,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:48:53,800 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:48:53,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-03 03:48:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:48:54,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 03:48:54,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:48:55,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:48:55,940 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:48:55,940 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:48:55,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1960740371] [2022-11-03 03:48:55,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1960740371] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:48:55,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:48:55,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 03:48:55,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91755791] [2022-11-03 03:48:55,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:48:55,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 03:48:55,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:48:55,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 03:48:55,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:48:55,943 INFO L87 Difference]: Start difference. First operand 79 states and 104 transitions. Second operand has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 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) [2022-11-03 03:48:56,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:48:56,215 INFO L93 Difference]: Finished difference Result 96 states and 125 transitions. [2022-11-03 03:48:56,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:48:56,223 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 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 24 [2022-11-03 03:48:56,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:48:56,225 INFO L225 Difference]: With dead ends: 96 [2022-11-03 03:48:56,225 INFO L226 Difference]: Without dead ends: 92 [2022-11-03 03:48:56,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:48:56,226 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 14 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 19 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-03 03:48:56,227 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 549 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 19 Unchecked, 0.3s Time] [2022-11-03 03:48:56,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-03 03:48:56,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 79. [2022-11-03 03:48:56,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 72 states have (on average 1.3194444444444444) internal successors, (95), 72 states have internal predecessors, (95), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 03:48:56,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 103 transitions. [2022-11-03 03:48:56,244 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 103 transitions. Word has length 24 [2022-11-03 03:48:56,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:48:56,244 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 103 transitions. [2022-11-03 03:48:56,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 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) [2022-11-03 03:48:56,245 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 103 transitions. [2022-11-03 03:48:56,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 03:48:56,248 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:48:56,249 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:48:56,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-03 03:48:56,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:48:56,461 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:48:56,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:48:56,462 INFO L85 PathProgramCache]: Analyzing trace with hash 791814228, now seen corresponding path program 1 times [2022-11-03 03:48:56,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:48:56,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [19679747] [2022-11-03 03:48:56,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:48:56,462 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:48:56,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:48:56,463 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:48:56,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-03 03:48:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:48:57,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-03 03:48:57,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:48:58,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:48:58,094 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:48:58,095 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:48:58,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [19679747] [2022-11-03 03:48:58,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [19679747] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:48:58,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:48:58,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 03:48:58,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912636918] [2022-11-03 03:48:58,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:48:58,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 03:48:58,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:48:58,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 03:48:58,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:48:58,105 INFO L87 Difference]: Start difference. First operand 79 states and 103 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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) [2022-11-03 03:48:58,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:48:58,112 INFO L93 Difference]: Finished difference Result 136 states and 178 transitions. [2022-11-03 03:48:58,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 03:48:58,112 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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 24 [2022-11-03 03:48:58,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:48:58,117 INFO L225 Difference]: With dead ends: 136 [2022-11-03 03:48:58,117 INFO L226 Difference]: Without dead ends: 83 [2022-11-03 03:48:58,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 03:48:58,122 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 5 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:48:58,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 472 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 12 Unchecked, 0.0s Time] [2022-11-03 03:48:58,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-11-03 03:48:58,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 79. [2022-11-03 03:48:58,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 72 states have (on average 1.3055555555555556) internal successors, (94), 72 states have internal predecessors, (94), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 03:48:58,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 102 transitions. [2022-11-03 03:48:58,136 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 102 transitions. Word has length 24 [2022-11-03 03:48:58,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:48:58,136 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 102 transitions. [2022-11-03 03:48:58,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 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) [2022-11-03 03:48:58,137 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions. [2022-11-03 03:48:58,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-03 03:48:58,138 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:48:58,138 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:48:58,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-03 03:48:58,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:48:58,339 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:48:58,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:48:58,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1872154527, now seen corresponding path program 1 times [2022-11-03 03:48:58,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:48:58,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1353277670] [2022-11-03 03:48:58,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:48:58,340 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:48:58,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:48:58,341 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:48:58,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-03 03:48:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:48:59,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-03 03:48:59,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:48:59,634 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 03:48:59,900 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2022-11-03 03:49:01,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:49:01,183 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:49:01,183 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:49:01,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1353277670] [2022-11-03 03:49:01,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1353277670] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:49:01,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:49:01,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-03 03:49:01,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999127040] [2022-11-03 03:49:01,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:49:01,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-03 03:49:01,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:49:01,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-03 03:49:01,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:49:01,186 INFO L87 Difference]: Start difference. First operand 79 states and 102 transitions. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 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) [2022-11-03 03:49:01,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:49:01,294 INFO L93 Difference]: Finished difference Result 83 states and 105 transitions. [2022-11-03 03:49:01,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 03:49:01,295 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 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 25 [2022-11-03 03:49:01,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:49:01,296 INFO L225 Difference]: With dead ends: 83 [2022-11-03 03:49:01,296 INFO L226 Difference]: Without dead ends: 79 [2022-11-03 03:49:01,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-03 03:49:01,298 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 592 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 39 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:49:01,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 592 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 39 Unchecked, 0.1s Time] [2022-11-03 03:49:01,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-11-03 03:49:01,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2022-11-03 03:49:01,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 72 states have (on average 1.2916666666666667) internal successors, (93), 72 states have internal predecessors, (93), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 03:49:01,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 101 transitions. [2022-11-03 03:49:01,306 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 101 transitions. Word has length 25 [2022-11-03 03:49:01,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:49:01,307 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 101 transitions. [2022-11-03 03:49:01,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 9 states have internal predecessors, (25), 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) [2022-11-03 03:49:01,307 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions. [2022-11-03 03:49:01,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-03 03:49:01,308 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:49:01,308 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:49:01,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-03 03:49:01,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:49:01,525 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:49:01,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:49:01,526 INFO L85 PathProgramCache]: Analyzing trace with hash -2093380071, now seen corresponding path program 1 times [2022-11-03 03:49:01,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:49:01,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [487427890] [2022-11-03 03:49:01,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:49:01,527 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:49:01,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:49:01,528 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:49:01,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-03 03:49:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:49:02,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-03 03:49:02,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:49:03,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:49:03,991 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:49:03,991 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:49:03,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [487427890] [2022-11-03 03:49:03,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [487427890] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:49:03,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:49:03,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 03:49:03,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980527610] [2022-11-03 03:49:03,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:49:03,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:49:03,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:49:03,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:49:03,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:49:03,993 INFO L87 Difference]: Start difference. First operand 79 states and 101 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:49:08,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:49:10,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 03:49:11,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:49:15,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 03:49:17,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 03:49:19,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 03:49:21,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 03:49:22,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-03 03:49:23,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:49:23,056 INFO L93 Difference]: Finished difference Result 86 states and 108 transitions. [2022-11-03 03:49:23,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:49:23,057 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-11-03 03:49:23,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:49:23,060 INFO L225 Difference]: With dead ends: 86 [2022-11-03 03:49:23,060 INFO L226 Difference]: Without dead ends: 82 [2022-11-03 03:49:23,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 03:49:23,061 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 72 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:49:23,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 224 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 4 Unknown, 0 Unchecked, 18.1s Time] [2022-11-03 03:49:23,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-03 03:49:23,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2022-11-03 03:49:23,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 72 states have (on average 1.2777777777777777) internal successors, (92), 72 states have internal predecessors, (92), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-03 03:49:23,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 100 transitions. [2022-11-03 03:49:23,079 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 100 transitions. Word has length 26 [2022-11-03 03:49:23,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:49:23,079 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 100 transitions. [2022-11-03 03:49:23,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-03 03:49:23,080 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 100 transitions. [2022-11-03 03:49:23,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-03 03:49:23,081 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:49:23,081 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:49:23,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-03 03:49:23,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:49:23,297 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:49:23,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:49:23,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1512113405, now seen corresponding path program 1 times [2022-11-03 03:49:23,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:49:23,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [312654507] [2022-11-03 03:49:23,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:49:23,299 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:49:23,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:49:23,300 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:49:23,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-03 03:49:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:49:24,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-03 03:49:24,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:49:24,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:49:24,747 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:49:24,747 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:49:24,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [312654507] [2022-11-03 03:49:24,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [312654507] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:49:24,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:49:24,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:49:24,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858331354] [2022-11-03 03:49:24,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:49:24,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:49:24,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:49:24,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:49:24,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:49:24,750 INFO L87 Difference]: Start difference. First operand 79 states and 100 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:49:24,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:49:24,757 INFO L93 Difference]: Finished difference Result 113 states and 143 transitions. [2022-11-03 03:49:24,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 03:49:24,757 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2022-11-03 03:49:24,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:49:24,758 INFO L225 Difference]: With dead ends: 113 [2022-11-03 03:49:24,758 INFO L226 Difference]: Without dead ends: 77 [2022-11-03 03:49:24,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:49:24,760 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 7 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:49:24,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 355 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 7 Unchecked, 0.0s Time] [2022-11-03 03:49:24,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-03 03:49:24,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-11-03 03:49:24,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 71 states have (on average 1.267605633802817) internal successors, (90), 71 states have internal predecessors, (90), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 03:49:24,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 96 transitions. [2022-11-03 03:49:24,767 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 96 transitions. Word has length 28 [2022-11-03 03:49:24,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:49:24,768 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 96 transitions. [2022-11-03 03:49:24,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-03 03:49:24,768 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 96 transitions. [2022-11-03 03:49:24,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-03 03:49:24,769 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:49:24,769 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:49:24,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-03 03:49:24,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:49:24,993 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 03:49:24,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:49:24,993 INFO L85 PathProgramCache]: Analyzing trace with hash 171175020, now seen corresponding path program 1 times [2022-11-03 03:49:24,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 03:49:24,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1199443542] [2022-11-03 03:49:24,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:49:24,994 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 03:49:24,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 03:49:24,995 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 03:49:25,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-03 03:49:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:49:26,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-03 03:49:26,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 03:49:27,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 03:49:27,090 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 03:49:27,090 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 03:49:27,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1199443542] [2022-11-03 03:49:27,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1199443542] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:49:27,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:49:27,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 03:49:27,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469520365] [2022-11-03 03:49:27,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:49:27,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 03:49:27,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 03:49:27,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 03:49:27,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:49:27,093 INFO L87 Difference]: Start difference. First operand 77 states and 96 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 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) [2022-11-03 03:49:27,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:49:27,098 INFO L93 Difference]: Finished difference Result 77 states and 96 transitions. [2022-11-03 03:49:27,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 03:49:27,098 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 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 30 [2022-11-03 03:49:27,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:49:27,099 INFO L225 Difference]: With dead ends: 77 [2022-11-03 03:49:27,099 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 03:49:27,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:49:27,100 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 8 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 03:49:27,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 8 Unchecked, 0.0s Time] [2022-11-03 03:49:27,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 03:49:27,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 03:49:27,102 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) [2022-11-03 03:49:27,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 03:49:27,102 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2022-11-03 03:49:27,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:49:27,103 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 03:49:27,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 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) [2022-11-03 03:49:27,103 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 03:49:27,103 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 03:49:27,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 03:49:27,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-03 03:49:27,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 03:49:27,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 03:49:28,638 INFO L899 garLoopResultBuilder]: For program point fabs_floatFINAL(lines 14 27) no Hoare annotation was computed. [2022-11-03 03:49:28,638 INFO L899 garLoopResultBuilder]: For program point fabs_floatEXIT(lines 14 27) no Hoare annotation was computed. [2022-11-03 03:49:28,638 INFO L902 garLoopResultBuilder]: At program point fabs_floatENTRY(lines 14 27) the Hoare annotation is: true [2022-11-03 03:49:28,638 INFO L899 garLoopResultBuilder]: For program point L21(lines 21 25) no Hoare annotation was computed. [2022-11-03 03:49:28,639 INFO L902 garLoopResultBuilder]: At program point L21-1(lines 14 27) the Hoare annotation is: true [2022-11-03 03:49:28,639 INFO L899 garLoopResultBuilder]: For program point L21-2(lines 21 25) no Hoare annotation was computed. [2022-11-03 03:49:28,639 INFO L899 garLoopResultBuilder]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2022-11-03 03:49:28,639 INFO L902 garLoopResultBuilder]: At program point L16-2(lines 16 20) the Hoare annotation is: true [2022-11-03 03:49:28,639 INFO L899 garLoopResultBuilder]: For program point L184(line 184) no Hoare annotation was computed. [2022-11-03 03:49:28,639 INFO L899 garLoopResultBuilder]: For program point L184-2(line 184) no Hoare annotation was computed. [2022-11-03 03:49:28,639 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-03 03:49:28,639 INFO L899 garLoopResultBuilder]: For program point L136(lines 136 137) no Hoare annotation was computed. [2022-11-03 03:49:28,640 INFO L895 garLoopResultBuilder]: At program point L120(lines 120 215) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_atan2f_#res#1| (fp.sub roundNearestTiesToEven (fp.neg ~pi~0) ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0))))) (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 1000000000.0))) ~pi~0) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-03 03:49:28,640 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 207) no Hoare annotation was computed. [2022-11-03 03:49:28,640 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 179) no Hoare annotation was computed. [2022-11-03 03:49:28,640 INFO L895 garLoopResultBuilder]: At program point L203-1(lines 196 208) the Hoare annotation is: false [2022-11-03 03:49:28,640 INFO L899 garLoopResultBuilder]: For program point L203-2(lines 203 207) no Hoare annotation was computed. [2022-11-03 03:49:28,640 INFO L899 garLoopResultBuilder]: For program point L220-1(lines 220 224) no Hoare annotation was computed. [2022-11-03 03:49:28,640 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 192) no Hoare annotation was computed. [2022-11-03 03:49:28,640 INFO L895 garLoopResultBuilder]: At program point L220-2(lines 220 224) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_main_~x~0#1|)) (= |ULTIMATE.start_isfinite_float_~x#1| |ULTIMATE.start_main_~y~0#1|) (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 1000000000.0))) ~pi~0) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-03 03:49:28,641 INFO L899 garLoopResultBuilder]: For program point L220-3(lines 220 224) no Hoare annotation was computed. [2022-11-03 03:49:28,641 INFO L899 garLoopResultBuilder]: For program point L171(line 171) no Hoare annotation was computed. [2022-11-03 03:49:28,641 INFO L899 garLoopResultBuilder]: For program point L138(lines 138 139) no Hoare annotation was computed. [2022-11-03 03:49:28,641 INFO L899 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2022-11-03 03:49:28,641 INFO L899 garLoopResultBuilder]: For program point L155-2(line 155) no Hoare annotation was computed. [2022-11-03 03:49:28,641 INFO L895 garLoopResultBuilder]: At program point L139(line 139) the Hoare annotation is: false [2022-11-03 03:49:28,641 INFO L899 garLoopResultBuilder]: For program point L139-1(line 139) no Hoare annotation was computed. [2022-11-03 03:49:28,641 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 192) no Hoare annotation was computed. [2022-11-03 03:49:28,641 INFO L899 garLoopResultBuilder]: For program point L189-2(lines 187 192) no Hoare annotation was computed. [2022-11-03 03:49:28,641 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 247) no Hoare annotation was computed. [2022-11-03 03:49:28,642 INFO L899 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2022-11-03 03:49:28,642 INFO L899 garLoopResultBuilder]: For program point L239-2(lines 239 247) no Hoare annotation was computed. [2022-11-03 03:49:28,642 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 03:49:28,642 INFO L899 garLoopResultBuilder]: For program point L157(lines 157 181) no Hoare annotation was computed. [2022-11-03 03:49:28,642 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 120 215) no Hoare annotation was computed. [2022-11-03 03:49:28,642 INFO L899 garLoopResultBuilder]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2022-11-03 03:49:28,642 INFO L895 garLoopResultBuilder]: At program point L124-2(lines 124 128) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_isfinite_float_~ix~3#1_6| (_ BitVec 32))) (and (= (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|)) |ULTIMATE.start___ieee754_atan2f_~y#1|) (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) (_ bv2139095040 32)))) (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 1000000000.0))) ~pi~0) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start___ieee754_atan2f_~x#1|)) (= currentRoundingMode roundNearestTiesToEven) (fp.lt |ULTIMATE.start___ieee754_atan2f_~y#1| (_ +zero 8 24))) [2022-11-03 03:49:28,642 INFO L899 garLoopResultBuilder]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2022-11-03 03:49:28,642 INFO L899 garLoopResultBuilder]: For program point L158(lines 158 180) no Hoare annotation was computed. [2022-11-03 03:49:28,643 INFO L899 garLoopResultBuilder]: For program point L175(line 175) no Hoare annotation was computed. [2022-11-03 03:49:28,643 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 152) no Hoare annotation was computed. [2022-11-03 03:49:28,643 INFO L899 garLoopResultBuilder]: For program point L142-2(lines 120 215) no Hoare annotation was computed. [2022-11-03 03:49:28,643 INFO L895 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: false [2022-11-03 03:49:28,643 INFO L899 garLoopResultBuilder]: For program point L159(lines 159 168) no Hoare annotation was computed. [2022-11-03 03:49:28,643 INFO L895 garLoopResultBuilder]: At program point L192-1(line 192) the Hoare annotation is: false [2022-11-03 03:49:28,643 INFO L899 garLoopResultBuilder]: For program point L192-2(line 192) no Hoare annotation was computed. [2022-11-03 03:49:28,643 INFO L899 garLoopResultBuilder]: For program point L143(lines 143 151) no Hoare annotation was computed. [2022-11-03 03:49:28,644 INFO L895 garLoopResultBuilder]: At program point L226(lines 218 227) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) |ULTIMATE.start_main_~x~0#1|)) (= |ULTIMATE.start_isfinite_float_~x#1| |ULTIMATE.start_main_~y~0#1|) (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (or (and (= |ULTIMATE.start_isfinite_float_#res#1| (_ bv0 32)) (exists ((|v_ULTIMATE.start_isfinite_float_~ix~3#1_6| (_ BitVec 32))) (and (not (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) (_ bv2139095040 32))) (= (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|)) |ULTIMATE.start_main_~y~0#1|)))) (and (exists ((|v_ULTIMATE.start_isfinite_float_~ix~3#1_6| (_ BitVec 32))) (and (= (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|)) |ULTIMATE.start_main_~y~0#1|) (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) (_ bv2139095040 32)))) (= |ULTIMATE.start_isfinite_float_#res#1| (_ bv1 32)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 1000000000.0))) ~pi~0) (= currentRoundingMode roundNearestTiesToEven)) [2022-11-03 03:49:28,644 INFO L899 garLoopResultBuilder]: For program point L193(lines 193 214) no Hoare annotation was computed. [2022-11-03 03:49:28,644 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-11-03 03:49:28,644 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-03 03:49:28,644 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 246) no Hoare annotation was computed. [2022-11-03 03:49:28,644 INFO L899 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2022-11-03 03:49:28,644 INFO L899 garLoopResultBuilder]: For program point L177(line 177) no Hoare annotation was computed. [2022-11-03 03:49:28,644 INFO L899 garLoopResultBuilder]: For program point L144(line 144) no Hoare annotation was computed. [2022-11-03 03:49:28,644 INFO L899 garLoopResultBuilder]: For program point L144-2(line 144) no Hoare annotation was computed. [2022-11-03 03:49:28,644 INFO L899 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2022-11-03 03:49:28,650 INFO L899 garLoopResultBuilder]: For program point L244(line 244) no Hoare annotation was computed. [2022-11-03 03:49:28,650 INFO L899 garLoopResultBuilder]: For program point L145(line 145) no Hoare annotation was computed. [2022-11-03 03:49:28,650 INFO L899 garLoopResultBuilder]: For program point L162(line 162) no Hoare annotation was computed. [2022-11-03 03:49:28,651 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-11-03 03:49:28,651 INFO L899 garLoopResultBuilder]: For program point L196(line 196) no Hoare annotation was computed. [2022-11-03 03:49:28,651 INFO L899 garLoopResultBuilder]: For program point L130-1(lines 130 134) no Hoare annotation was computed. [2022-11-03 03:49:28,651 INFO L895 garLoopResultBuilder]: At program point L130-2(lines 130 134) the Hoare annotation is: (and (exists ((|v_ULTIMATE.start_isfinite_float_~ix~3#1_6| (_ BitVec 32))) (and (= (fp ((_ extract 31 31) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) ((_ extract 30 23) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) ((_ extract 22 0) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|)) |ULTIMATE.start___ieee754_atan2f_~y#1|) (bvslt (bvand (_ bv2147483647 32) |v_ULTIMATE.start_isfinite_float_~ix~3#1_6|) (_ bv2139095040 32)))) (= ~tiny_atan2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0)))) (exists ((|ULTIMATE.start___ieee754_atan2f_~hx~1#1| (_ BitVec 32))) (and (= |ULTIMATE.start___ieee754_atan2f_~ix~2#1| (bvand (_ bv2147483647 32) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|) ((_ extract 30 23) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|) ((_ extract 22 0) |ULTIMATE.start___ieee754_atan2f_~hx~1#1|)))))) (exists ((|v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18| (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18|) (_ bv0 32)))) (and (= |ULTIMATE.start___ieee754_atan2f_~hx~1#1| .cse0) (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 1000000000.0))) ~pi~0) (= currentRoundingMode roundNearestTiesToEven) (fp.lt |ULTIMATE.start___ieee754_atan2f_~y#1| (_ +zero 8 24))) [2022-11-03 03:49:28,652 INFO L899 garLoopResultBuilder]: For program point L130-3(lines 130 134) no Hoare annotation was computed. [2022-11-03 03:49:28,652 INFO L899 garLoopResultBuilder]: For program point L147(line 147) no Hoare annotation was computed. [2022-11-03 03:49:28,652 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-11-03 03:49:28,652 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-03 03:49:28,653 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 244) no Hoare annotation was computed. [2022-11-03 03:49:28,653 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 198 202) no Hoare annotation was computed. [2022-11-03 03:49:28,653 INFO L895 garLoopResultBuilder]: At program point L198-2(lines 198 202) the Hoare annotation is: false [2022-11-03 03:49:28,653 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2022-11-03 03:49:28,653 INFO L899 garLoopResultBuilder]: For program point L166(line 166) no Hoare annotation was computed. [2022-11-03 03:49:28,654 INFO L902 garLoopResultBuilder]: At program point L249(lines 229 250) the Hoare annotation is: true [2022-11-03 03:49:28,654 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 65) no Hoare annotation was computed. [2022-11-03 03:49:28,654 INFO L902 garLoopResultBuilder]: At program point atan_floatENTRY(lines 53 115) the Hoare annotation is: true [2022-11-03 03:49:28,654 INFO L899 garLoopResultBuilder]: For program point atan_floatFINAL(lines 53 115) no Hoare annotation was computed. [2022-11-03 03:49:28,654 INFO L899 garLoopResultBuilder]: For program point L73(lines 73 74) no Hoare annotation was computed. [2022-11-03 03:49:28,654 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2022-11-03 03:49:28,655 INFO L902 garLoopResultBuilder]: At program point L57-2(lines 57 61) the Hoare annotation is: true [2022-11-03 03:49:28,655 INFO L899 garLoopResultBuilder]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2022-11-03 03:49:28,655 INFO L902 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: true [2022-11-03 03:49:28,656 INFO L899 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2022-11-03 03:49:28,656 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 69) no Hoare annotation was computed. [2022-11-03 03:49:28,657 INFO L899 garLoopResultBuilder]: For program point L79(lines 79 95) no Hoare annotation was computed. [2022-11-03 03:49:28,657 INFO L899 garLoopResultBuilder]: For program point L71(lines 71 96) no Hoare annotation was computed. [2022-11-03 03:49:28,657 INFO L899 garLoopResultBuilder]: For program point atan_floatEXIT(lines 53 115) no Hoare annotation was computed. [2022-11-03 03:49:28,658 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 70) no Hoare annotation was computed. [2022-11-03 03:49:28,658 INFO L899 garLoopResultBuilder]: For program point L88(lines 88 94) no Hoare annotation was computed. [2022-11-03 03:49:28,658 INFO L899 garLoopResultBuilder]: For program point L88-2(lines 71 96) no Hoare annotation was computed. [2022-11-03 03:49:28,658 INFO L899 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2022-11-03 03:49:28,661 INFO L899 garLoopResultBuilder]: For program point L80(lines 80 86) no Hoare annotation was computed. [2022-11-03 03:49:28,661 INFO L899 garLoopResultBuilder]: For program point L113-2(line 113) no Hoare annotation was computed. [2022-11-03 03:49:28,661 INFO L899 garLoopResultBuilder]: For program point L109(lines 109 114) no Hoare annotation was computed. [2022-11-03 03:49:28,662 INFO L899 garLoopResultBuilder]: For program point L72(lines 72 75) no Hoare annotation was computed. [2022-11-03 03:49:28,662 INFO L899 garLoopResultBuilder]: For program point L72-2(lines 72 75) no Hoare annotation was computed. [2022-11-03 03:49:28,665 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:49:28,668 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 03:49:28,684 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,685 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,685 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,685 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,685 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,686 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,686 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,686 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,686 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,686 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,689 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 03:49:28,694 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,695 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,695 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,695 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,695 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,696 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,696 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,696 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,696 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,696 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,697 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 03:49:28,702 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,702 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,703 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,703 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,703 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,703 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,703 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 03:49:28,705 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,705 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,706 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,706 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,708 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,709 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,709 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 03:49:28,721 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 03:49:28,721 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 03:49:28,721 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 03:49:28,721 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 03:49:28,722 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 03:49:28,722 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 03:49:28,722 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 03:49:28,722 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 03:49:28,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,724 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,725 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1#1,QUANTIFIED] [2022-11-03 03:49:28,725 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,725 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,725 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1#1,QUANTIFIED] [2022-11-03 03:49:28,725 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1#1,QUANTIFIED] [2022-11-03 03:49:28,726 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1#1,QUANTIFIED] [2022-11-03 03:49:28,726 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18,QUANTIFIED] [2022-11-03 03:49:28,726 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18,QUANTIFIED] [2022-11-03 03:49:28,726 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18,QUANTIFIED] [2022-11-03 03:49:28,727 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18,QUANTIFIED] [2022-11-03 03:49:28,727 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,727 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,727 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 03:49:28,728 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,728 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,728 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,729 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,729 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1#1,QUANTIFIED] [2022-11-03 03:49:28,729 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,729 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,729 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1#1,QUANTIFIED] [2022-11-03 03:49:28,730 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1#1,QUANTIFIED] [2022-11-03 03:49:28,730 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1#1,QUANTIFIED] [2022-11-03 03:49:28,730 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18,QUANTIFIED] [2022-11-03 03:49:28,730 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18,QUANTIFIED] [2022-11-03 03:49:28,730 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18,QUANTIFIED] [2022-11-03 03:49:28,731 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18,QUANTIFIED] [2022-11-03 03:49:28,731 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,731 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,731 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 03:49:28,732 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,732 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,732 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 03:49:28,733 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,733 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,733 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 03:49:28,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 03:49:28 BoogieIcfgContainer [2022-11-03 03:49:28,734 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 03:49:28,735 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 03:49:28,735 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 03:49:28,735 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 03:49:28,736 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:48:31" (3/4) ... [2022-11-03 03:49:28,739 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 03:49:28,745 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2022-11-03 03:49:28,746 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2022-11-03 03:49:28,764 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2022-11-03 03:49:28,765 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-03 03:49:28,766 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-03 03:49:28,766 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 03:49:28,799 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && x == y) && tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-11-03 03:49:28,800 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && x == y) && tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000))) && ((\result == 0bv32 && (\exists v_ULTIMATE.start_isfinite_float_~ix~3#1_6 : bv32 :: !~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32) && ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~3#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[22:0]) == y)) || ((\exists v_ULTIMATE.start_isfinite_float_~ix~3#1_6 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~3#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[22:0]) == y && ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32)) && \result == 1bv32))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-11-03 03:49:28,801 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\exists v_ULTIMATE.start_isfinite_float_~ix~3#1_6 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~3#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[22:0]) == y && ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32)) && tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) [2022-11-03 03:49:28,801 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\exists v_ULTIMATE.start_isfinite_float_~ix~3#1_6 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~3#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[22:0]) == y && ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32)) && tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000))) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1#1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1#1) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1#1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1#1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1#1[22:0])))) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18 : bv32, currentRoundingMode : FloatRoundingMode :: hx == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18][0bv32] && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18][0bv32][22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) [2022-11-03 03:49:28,802 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) && tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2022-11-03 03:49:28,854 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 03:49:28,854 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 03:49:28,855 INFO L158 Benchmark]: Toolchain (without parser) took 68654.41ms. Allocated memory was 54.5MB in the beginning and 77.6MB in the end (delta: 23.1MB). Free memory was 31.9MB in the beginning and 31.7MB in the end (delta: 191.4kB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2022-11-03 03:49:28,855 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 54.5MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 03:49:28,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.47ms. Allocated memory is still 54.5MB. Free memory was 31.7MB in the beginning and 32.3MB in the end (delta: -647.4kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 03:49:28,857 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.61ms. Allocated memory is still 54.5MB. Free memory was 32.3MB in the beginning and 29.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 03:49:28,857 INFO L158 Benchmark]: Boogie Preprocessor took 56.75ms. Allocated memory is still 54.5MB. Free memory was 29.9MB in the beginning and 27.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 03:49:28,858 INFO L158 Benchmark]: RCFGBuilder took 11097.41ms. Allocated memory was 54.5MB in the beginning and 77.6MB in the end (delta: 23.1MB). Free memory was 26.9MB in the beginning and 51.8MB in the end (delta: -24.9MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2022-11-03 03:49:28,858 INFO L158 Benchmark]: TraceAbstraction took 56921.15ms. Allocated memory is still 77.6MB. Free memory was 51.2MB in the beginning and 37.2MB in the end (delta: 14.1MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2022-11-03 03:49:28,858 INFO L158 Benchmark]: Witness Printer took 119.32ms. Allocated memory is still 77.6MB. Free memory was 37.2MB in the beginning and 31.7MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 03:49:28,867 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 54.5MB. Free memory is still 35.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.47ms. Allocated memory is still 54.5MB. Free memory was 31.7MB in the beginning and 32.3MB in the end (delta: -647.4kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.61ms. Allocated memory is still 54.5MB. Free memory was 32.3MB in the beginning and 29.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.75ms. Allocated memory is still 54.5MB. Free memory was 29.9MB in the beginning and 27.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 11097.41ms. Allocated memory was 54.5MB in the beginning and 77.6MB in the end (delta: 23.1MB). Free memory was 26.9MB in the beginning and 51.8MB in the end (delta: -24.9MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * TraceAbstraction took 56921.15ms. Allocated memory is still 77.6MB. Free memory was 51.2MB in the beginning and 37.2MB in the end (delta: 14.1MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * Witness Printer took 119.32ms. Allocated memory is still 77.6MB. Free memory was 37.2MB in the beginning and 31.7MB in the end (delta: 5.5MB). 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[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1#1,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[ULTIMATE.start___ieee754_atan2f_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18,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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1#1,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[ULTIMATE.start___ieee754_atan2f_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18,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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * 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: 244]: 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 3 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 56.8s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 24.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 148 SdHoareTripleChecker+Valid, 21.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 138 mSDsluCounter, 5542 SdHoareTripleChecker+Invalid, 20.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 220 IncrementalHoareTripleChecker+Unchecked, 4377 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 100 IncrementalHoareTripleChecker+Invalid, 328 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 1165 mSDtfsCounter, 100 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 272 GetRequests, 211 SyntacticMatches, 1 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 11.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 46 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 65 PreInvPairs, 71 NumberOfFragments, 288 HoareAnnotationTreeSize, 65 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 54 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 11.1s SatisfiabilityAnalysisTime, 16.4s InterpolantComputationTime, 278 NumberOfCodeBlocks, 278 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 266 ConstructedInterpolants, 147 QuantifiedInterpolants, 3621 SizeOfPredicates, 89 NumberOfNonLiveVariables, 1665 ConjunctsInSsa, 143 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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: 198]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant [2022-11-03 03:49:28,892 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,892 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,892 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,892 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,892 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,893 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,893 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,893 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,893 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,893 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,893 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 03:49:28,894 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,894 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,895 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,895 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,895 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,895 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,895 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,895 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,895 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,896 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,896 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && x == y) && tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000))) && ((\result == 0bv32 && (\exists v_ULTIMATE.start_isfinite_float_~ix~3#1_6 : bv32 :: !~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32) && ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~3#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[22:0]) == y)) || ((\exists v_ULTIMATE.start_isfinite_float_~ix~3#1_6 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~3#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[22:0]) == y && ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32)) && \result == 1bv32))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 124]: Loop Invariant [2022-11-03 03:49:28,897 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,897 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,897 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,897 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,897 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,898 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,898 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 03:49:28,902 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,902 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,902 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,902 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,903 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,903 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,903 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((((\exists v_ULTIMATE.start_isfinite_float_~ix~3#1_6 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~3#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[22:0]) == y && ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32)) && tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x)) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 120]: Loop Invariant [2022-11-03 03:49:28,904 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 03:49:28,904 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 03:49:28,904 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 03:49:28,905 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 03:49:28,905 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 03:49:28,905 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 03:49:28,905 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 03:49:28,906 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((\result == ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(pi), ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) && tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant [2022-11-03 03:49:28,907 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,907 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,907 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,908 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,908 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1#1,QUANTIFIED] [2022-11-03 03:49:28,908 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,908 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,908 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1#1,QUANTIFIED] [2022-11-03 03:49:28,908 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1#1,QUANTIFIED] [2022-11-03 03:49:28,909 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1#1,QUANTIFIED] [2022-11-03 03:49:28,909 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18,QUANTIFIED] [2022-11-03 03:49:28,909 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18,QUANTIFIED] [2022-11-03 03:49:28,909 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18,QUANTIFIED] [2022-11-03 03:49:28,909 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18,QUANTIFIED] [2022-11-03 03:49:28,909 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,910 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,910 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 03:49:28,911 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,911 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,912 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,912 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_isfinite_float_~ix~3#1_6,QUANTIFIED] [2022-11-03 03:49:28,912 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1#1,QUANTIFIED] [2022-11-03 03:49:28,912 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,912 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,912 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1#1,QUANTIFIED] [2022-11-03 03:49:28,913 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1#1,QUANTIFIED] [2022-11-03 03:49:28,913 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1#1,QUANTIFIED] [2022-11-03 03:49:28,913 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18,QUANTIFIED] [2022-11-03 03:49:28,913 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18,QUANTIFIED] [2022-11-03 03:49:28,913 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18,QUANTIFIED] [2022-11-03 03:49:28,913 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18,QUANTIFIED] [2022-11-03 03:49:28,914 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,914 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,914 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((((\exists v_ULTIMATE.start_isfinite_float_~ix~3#1_6 : bv32 :: ~fp~LONGDOUBLE(v_ULTIMATE.start_isfinite_float_~ix~3#1_6[31:31], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[30:23], v_ULTIMATE.start_isfinite_float_~ix~3#1_6[22:0]) == y && ~bvslt32(~bvand32(2147483647bv32, v_ULTIMATE.start_isfinite_float_~ix~3#1_6), 2139095040bv32)) && tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000))) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1#1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1#1) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1#1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1#1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1#1[22:0])))) && (\exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18 : bv32, currentRoundingMode : FloatRoundingMode :: hx == unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18][0bv32] && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18][0bv32][31:31], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18][0bv32][30:23], unknown-#memory_int-unknown[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_18][0bv32][22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.lt~FLOAT(y, ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 220]: Loop Invariant [2022-11-03 03:49:28,915 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,915 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,916 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2022-11-03 03:49:28,917 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,917 WARN L418 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2022-11-03 03:49:28,918 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && x == y) && tiny_atan2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/1000000000)) == pi) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven RESULT: Ultimate proved your program to be correct! [2022-11-03 03:49:29,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a008e2c-122d-4552-866d-6a9310e857bf/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE