./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0310.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0310.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --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 ae935f91ae15a969c09301f5af2ecf3f47ffaf2699891122a12a4bee1e40ec7e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:27:18,456 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:27:18,526 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 19:27:18,531 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:27:18,532 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:27:18,566 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:27:18,566 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:27:18,567 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:27:18,568 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:27:18,569 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:27:18,569 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:27:18,570 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:27:18,571 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:27:18,571 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 19:27:18,572 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:27:18,572 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:27:18,573 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 19:27:18,573 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 19:27:18,574 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:27:18,575 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 19:27:18,575 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 19:27:18,576 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 19:27:18,577 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:27:18,577 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:27:18,577 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:27:18,578 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 19:27:18,578 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:27:18,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:27:18,579 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:27:18,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:27:18,579 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:27:18,580 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:27:18,580 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:27:18,580 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:27:18,591 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:27:18,592 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:27:18,592 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:27:18,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:27:18,592 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:27:18,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:27:18,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:27:18,593 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 19:27:18,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 19:27:18,594 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:27:18,594 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:27:18,594 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:27:18,594 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:27:18,594 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae935f91ae15a969c09301f5af2ecf3f47ffaf2699891122a12a4bee1e40ec7e [2023-12-02 19:27:18,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:27:18,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:27:18,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:27:18,842 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:27:18,842 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:27:18,844 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/float-newlib/double_req_bl_0310.c [2023-12-02 19:27:21,639 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:27:21,860 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:27:21,861 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/sv-benchmarks/c/float-newlib/double_req_bl_0310.c [2023-12-02 19:27:21,873 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/data/1405dcd6e/1af17076d66c4cc9baa950aed0dc4082/FLAGd35c8e292 [2023-12-02 19:27:21,887 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/data/1405dcd6e/1af17076d66c4cc9baa950aed0dc4082 [2023-12-02 19:27:21,889 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:27:21,890 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:27:21,892 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:27:21,892 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:27:21,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:27:21,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:27:21" (1/1) ... [2023-12-02 19:27:21,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ad06f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:21, skipping insertion in model container [2023-12-02 19:27:21,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:27:21" (1/1) ... [2023-12-02 19:27:21,946 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:27:22,236 WARN L240 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_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/sv-benchmarks/c/float-newlib/double_req_bl_0310.c[16331,16344] [2023-12-02 19:27:22,242 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:27:22,265 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:27:22,365 WARN L240 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_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/sv-benchmarks/c/float-newlib/double_req_bl_0310.c[16331,16344] [2023-12-02 19:27:22,366 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:27:22,392 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:27:22,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:22 WrapperNode [2023-12-02 19:27:22,393 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:27:22,394 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:27:22,394 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:27:22,394 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:27:22,400 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:22" (1/1) ... [2023-12-02 19:27:22,427 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:22" (1/1) ... [2023-12-02 19:27:22,493 INFO L138 Inliner]: procedures = 25, calls = 375, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1123 [2023-12-02 19:27:22,493 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:27:22,494 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:27:22,494 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:27:22,494 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:27:22,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:22" (1/1) ... [2023-12-02 19:27:22,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:22" (1/1) ... [2023-12-02 19:27:22,518 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:22" (1/1) ... [2023-12-02 19:27:22,519 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:22" (1/1) ... [2023-12-02 19:27:22,563 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:22" (1/1) ... [2023-12-02 19:27:22,578 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:22" (1/1) ... [2023-12-02 19:27:22,583 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:22" (1/1) ... [2023-12-02 19:27:22,590 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:22" (1/1) ... [2023-12-02 19:27:22,599 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:27:22,600 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:27:22,600 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:27:22,601 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:27:22,601 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:22" (1/1) ... [2023-12-02 19:27:22,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:27:22,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:27:22,625 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:27:22,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:27:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:27:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2023-12-02 19:27:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2023-12-02 19:27:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2023-12-02 19:27:22,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2023-12-02 19:27:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 19:27:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 19:27:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 19:27:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 19:27:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 19:27:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-12-02 19:27:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2023-12-02 19:27:22,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2023-12-02 19:27:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2023-12-02 19:27:22,669 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2023-12-02 19:27:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 19:27:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:27:22,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:27:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 19:27:22,819 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:27:22,821 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:27:23,795 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:27:24,213 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:27:24,213 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-02 19:27:24,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:27:24 BoogieIcfgContainer [2023-12-02 19:27:24,215 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:27:24,217 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:27:24,217 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:27:24,220 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:27:24,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:27:21" (1/3) ... [2023-12-02 19:27:24,221 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53961856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:27:24, skipping insertion in model container [2023-12-02 19:27:24,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:22" (2/3) ... [2023-12-02 19:27:24,221 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53961856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:27:24, skipping insertion in model container [2023-12-02 19:27:24,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:27:24" (3/3) ... [2023-12-02 19:27:24,223 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0310.c [2023-12-02 19:27:24,237 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:27:24,237 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:27:24,281 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:27:24,286 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=LoopHeads, 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;@5150a1d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:27:24,287 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:27:24,291 INFO L276 IsEmpty]: Start isEmpty. Operand has 175 states, 157 states have (on average 1.6878980891719746) internal successors, (265), 158 states have internal predecessors, (265), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 19:27:24,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 19:27:24,296 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:27:24,297 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:27:24,297 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:27:24,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:27:24,301 INFO L85 PathProgramCache]: Analyzing trace with hash -557143306, now seen corresponding path program 1 times [2023-12-02 19:27:24,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:27:24,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732624974] [2023-12-02 19:27:24,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:27:24,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:27:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:27:24,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:27:24,518 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 19:27:24,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732624974] [2023-12-02 19:27:24,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732624974] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:27:24,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:27:24,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:27:24,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355664064] [2023-12-02 19:27:24,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:27:24,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 19:27:24,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 19:27:24,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 19:27:24,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 19:27:24,554 INFO L87 Difference]: Start difference. First operand has 175 states, 157 states have (on average 1.6878980891719746) internal successors, (265), 158 states have internal predecessors, (265), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2023-12-02 19:27:24,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:27:24,743 INFO L93 Difference]: Finished difference Result 349 states and 589 transitions. [2023-12-02 19:27:24,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 19:27:24,746 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2023-12-02 19:27:24,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:27:24,756 INFO L225 Difference]: With dead ends: 349 [2023-12-02 19:27:24,756 INFO L226 Difference]: Without dead ends: 173 [2023-12-02 19:27:24,762 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 [2023-12-02 19:27:24,766 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 19:27:24,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 182 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 19:27:24,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2023-12-02 19:27:24,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2023-12-02 19:27:24,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 156 states have (on average 1.391025641025641) internal successors, (217), 156 states have internal predecessors, (217), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 19:27:24,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 241 transitions. [2023-12-02 19:27:24,820 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 241 transitions. Word has length 8 [2023-12-02 19:27:24,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:27:24,821 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 241 transitions. [2023-12-02 19:27:24,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2023-12-02 19:27:24,822 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 241 transitions. [2023-12-02 19:27:24,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 19:27:24,822 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:27:24,822 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:27:24,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 19:27:24,823 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:27:24,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:27:24,824 INFO L85 PathProgramCache]: Analyzing trace with hash 219631177, now seen corresponding path program 1 times [2023-12-02 19:27:24,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 19:27:24,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307924033] [2023-12-02 19:27:24,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:27:24,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 19:27:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:27:24,904 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 19:27:24,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 19:27:24,982 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 19:27:24,982 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 19:27:24,984 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 19:27:24,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 19:27:24,988 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-12-02 19:27:24,990 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 19:27:25,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:27:25 BoogieIcfgContainer [2023-12-02 19:27:25,027 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 19:27:25,027 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 19:27:25,028 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 19:27:25,028 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 19:27:25,028 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:27:24" (3/4) ... [2023-12-02 19:27:25,030 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 19:27:25,031 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 19:27:25,031 INFO L158 Benchmark]: Toolchain (without parser) took 3141.07ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 111.1MB in the beginning and 66.5MB in the end (delta: 44.6MB). Peak memory consumption was 111.0MB. Max. memory is 16.1GB. [2023-12-02 19:27:25,032 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 151.0MB. Free memory is still 115.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:27:25,033 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.31ms. Allocated memory is still 151.0MB. Free memory was 111.1MB in the beginning and 85.2MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-12-02 19:27:25,033 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.68ms. Allocated memory is still 151.0MB. Free memory was 85.2MB in the beginning and 78.4MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 19:27:25,034 INFO L158 Benchmark]: Boogie Preprocessor took 105.40ms. Allocated memory is still 151.0MB. Free memory was 78.4MB in the beginning and 71.2MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 19:27:25,035 INFO L158 Benchmark]: RCFGBuilder took 1615.02ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 71.2MB in the beginning and 126.2MB in the end (delta: -55.0MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB. [2023-12-02 19:27:25,035 INFO L158 Benchmark]: TraceAbstraction took 809.64ms. Allocated memory is still 213.9MB. Free memory was 126.2MB in the beginning and 66.5MB in the end (delta: 59.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-12-02 19:27:25,036 INFO L158 Benchmark]: Witness Printer took 3.43ms. Allocated memory is still 213.9MB. Free memory is still 66.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:27:25,039 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 151.0MB. Free memory is still 115.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 501.31ms. Allocated memory is still 151.0MB. Free memory was 111.1MB in the beginning and 85.2MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.68ms. Allocated memory is still 151.0MB. Free memory was 85.2MB in the beginning and 78.4MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.40ms. Allocated memory is still 151.0MB. Free memory was 78.4MB in the beginning and 71.2MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1615.02ms. Allocated memory was 151.0MB in the beginning and 213.9MB in the end (delta: 62.9MB). Free memory was 71.2MB in the beginning and 126.2MB in the end (delta: -55.0MB). Peak memory consumption was 74.2MB. Max. memory is 16.1GB. * TraceAbstraction took 809.64ms. Allocated memory is still 213.9MB. Free memory was 126.2MB in the beginning and 66.5MB in the end (delta: 59.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 3.43ms. Allocated memory is still 213.9MB. Free memory is still 66.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 647]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 88, overapproximation of someUnaryDOUBLEoperation at line 532, overapproximation of someBinaryArithmeticDOUBLEoperation at line 618. Possible FailurePath: [L22] static const double huge_floor = 1.0e300; [L111-L113] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L182] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L184-L189] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L191-L193] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L366-L377] static const __int32_t two_over_pi_rempio[] = { 0xA2F983, 0x6E4E44, 0x1529FC, 0x2757D1, 0xF534DD, 0xC0DB62, 0x95993C, 0x439041, 0xFE5163, 0xABDEBB, 0xC561B7, 0x246E3A, 0x424DD2, 0xE00649, 0x2EEA09, 0xD1921C, 0xFE1DEB, 0x1CB129, 0xA73EE8, 0x8235F5, 0x2EBB44, 0x84E99C, 0x7026B4, 0x5F7E41, 0x3991D6, 0x398353, 0x39F49C, 0x845F8B, 0xBDF928, 0x3B1FF8, 0x97FFDE, 0x05980F, 0xEF2F11, 0x8B5A0A, 0x6D1F6D, 0x367ECF, 0x27CB09, 0xB74F46, 0x3F669E, 0x5FEA2D, 0x7527BA, 0xC7EBE5, 0xF17B3D, 0x0739F7, 0x8A5292, 0xEA6BFB, 0x5FB11F, 0x8D5D08, 0x560330, 0x46FC7B, 0x6BABF0, 0xCFBC20, 0x9AF436, 0x1DA9E3, 0x91615E, 0xE61B08, 0x659985, 0x5F14A0, 0x68408D, 0xFFD880, 0x4D7327, 0x310606, 0x1556CA, 0x73A8C9, 0x60E27B, 0xC08C6B, }; [L379-L386] static const __int32_t npio2_hw_rempio[] = { 0x3FF921FB, 0x400921FB, 0x4012D97C, 0x401921FB, 0x401F6A7A, 0x4022D97C, 0x4025FDBB, 0x402921FB, 0x402C463A, 0x402F6A7A, 0x4031475C, 0x4032D97C, 0x40346B9C, 0x4035FDBB, 0x40378FDB, 0x403921FB, 0x403AB41B, 0x403C463A, 0x403DD85A, 0x403F6A7A, 0x40407E4C, 0x4041475C, 0x4042106C, 0x4042D97C, 0x4043A28C, 0x40446B9C, 0x404534AC, 0x4045FDBB, 0x4046C6CB, 0x40478FDB, 0x404858EB, 0x404921FB, }; [L388-L397] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L530-L536] static const double one_kcos = 1.00000000000000000000e+00, C1_kcos = 4.16666666666666019037e-02, C2_kcos = -1.38888888888741095749e-03, C3_kcos = 2.48015872894767294178e-05, C4_kcos = -2.75573143513906633035e-07, C5_kcos = 2.08757232129817482790e-09, C6_kcos = -1.13596475577881948265e-11; [L574-L580] static const double half_ksin = 5.00000000000000000000e-01, S1_ksin = -1.66666666666666324348e-01, S2_ksin = 8.33333333332248946124e-03, S3_ksin = -1.98412698298579493134e-04, S4_ksin = 2.75573137070700676789e-06, S5_ksin = -2.50507602534068634195e-08, S6_ksin = 1.58969099521155010221e-10; [L642] double x = 0.0 / 0.0; [L643] CALL, EXPR cos_double(x) [L605] double y[2], z = 0.0; [L606] __int32_t n, ix; VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, \old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000014, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000014, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L608] ieee_double_shape_type gh_u; [L609] EXPR gh_u.value = (x) [L610] EXPR gh_u.parts.msw [L610] EXPR (ix) = gh_u.parts.msw [L607-L611] { ieee_double_shape_type gh_u; gh_u.value = (x); (ix) = gh_u.parts.msw; } VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, \old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000014, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2147483647, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000014, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L613] ix &= 0x7fffffff VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, \old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000014, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2147483647, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000014, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L614] COND FALSE !(ix <= 0x3fe921fb) VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, \old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000014, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2147483647, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000014, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L617] COND TRUE ix >= 0x7ff00000 [L618] return x - x; [L618] return x - x; VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, \old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000014, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2147483647, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000014, z=0, zero_krempio=0, zero_rempio=0] [L643] RET, EXPR cos_double(x) [L643] double res = cos_double(x); [L646] CALL, EXPR isnan_double(res) [L88] return x != x; [L646] RET, EXPR isnan_double(res) [L646] COND TRUE !isnan_double(res) [L647] reach_error() VAL [C1_kcos=416666666666666019037/10000000000000000000000, C3_kcos=124007936447383647089/5000000000000000000000000, C5_kcos=20875723212981748279/10000000000000000000000000000, PIo2_krempio={5:0}, S2_ksin=208333333333062236531/25000000000000000000000, S4_ksin=275573137070700676789/100000000000000000000000000, S6_ksin=158969099521155010221/1000000000000000000000000000000, half_ksin=1/2, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_kcos=1, one_krempio=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000013, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000014, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 175 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 182 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 61 IncrementalHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 182 mSDtfsCounter, 61 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=175occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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 [2023-12-02 19:27:25,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0310.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --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 ae935f91ae15a969c09301f5af2ecf3f47ffaf2699891122a12a4bee1e40ec7e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 19:27:26,911 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 19:27:26,979 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 19:27:26,986 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 19:27:26,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 19:27:27,014 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 19:27:27,014 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 19:27:27,015 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 19:27:27,016 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 19:27:27,016 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 19:27:27,017 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 19:27:27,017 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 19:27:27,018 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 19:27:27,018 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 19:27:27,019 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 19:27:27,019 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 19:27:27,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 19:27:27,021 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 19:27:27,021 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 19:27:27,021 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 19:27:27,022 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 19:27:27,024 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 19:27:27,025 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 19:27:27,025 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 19:27:27,026 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 19:27:27,026 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 19:27:27,027 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 19:27:27,027 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 19:27:27,027 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 19:27:27,028 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 19:27:27,028 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 19:27:27,028 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 19:27:27,029 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 19:27:27,029 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 19:27:27,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:27:27,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 19:27:27,030 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 19:27:27,030 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 19:27:27,030 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 19:27:27,030 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 19:27:27,030 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 19:27:27,031 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 19:27:27,031 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 19:27:27,031 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 19:27:27,031 INFO L153 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_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae935f91ae15a969c09301f5af2ecf3f47ffaf2699891122a12a4bee1e40ec7e [2023-12-02 19:27:27,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 19:27:27,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 19:27:27,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 19:27:27,377 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 19:27:27,378 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 19:27:27,379 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/float-newlib/double_req_bl_0310.c [2023-12-02 19:27:30,193 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 19:27:30,438 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 19:27:30,439 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/sv-benchmarks/c/float-newlib/double_req_bl_0310.c [2023-12-02 19:27:30,451 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/data/f08731d0c/d697e5b84ea847489e22935e04307ed1/FLAG6a73eb7a1 [2023-12-02 19:27:30,465 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/data/f08731d0c/d697e5b84ea847489e22935e04307ed1 [2023-12-02 19:27:30,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 19:27:30,469 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 19:27:30,470 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 19:27:30,471 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 19:27:30,476 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 19:27:30,477 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:27:30" (1/1) ... [2023-12-02 19:27:30,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2edc1c6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:30, skipping insertion in model container [2023-12-02 19:27:30,478 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:27:30" (1/1) ... [2023-12-02 19:27:30,525 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 19:27:30,805 WARN L240 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_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/sv-benchmarks/c/float-newlib/double_req_bl_0310.c[16331,16344] [2023-12-02 19:27:30,809 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:27:30,836 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 19:27:30,922 WARN L240 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_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/sv-benchmarks/c/float-newlib/double_req_bl_0310.c[16331,16344] [2023-12-02 19:27:30,923 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 19:27:30,993 INFO L206 MainTranslator]: Completed translation [2023-12-02 19:27:30,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:30 WrapperNode [2023-12-02 19:27:30,993 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 19:27:30,994 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 19:27:30,995 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 19:27:30,995 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 19:27:31,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:30" (1/1) ... [2023-12-02 19:27:31,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:30" (1/1) ... [2023-12-02 19:27:31,102 INFO L138 Inliner]: procedures = 29, calls = 375, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1033 [2023-12-02 19:27:31,102 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 19:27:31,103 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 19:27:31,103 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 19:27:31,104 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 19:27:31,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:30" (1/1) ... [2023-12-02 19:27:31,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:30" (1/1) ... [2023-12-02 19:27:31,127 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:30" (1/1) ... [2023-12-02 19:27:31,128 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:30" (1/1) ... [2023-12-02 19:27:31,173 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:30" (1/1) ... [2023-12-02 19:27:31,187 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:30" (1/1) ... [2023-12-02 19:27:31,194 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:30" (1/1) ... [2023-12-02 19:27:31,201 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:30" (1/1) ... [2023-12-02 19:27:31,212 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 19:27:31,213 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 19:27:31,213 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 19:27:31,213 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 19:27:31,214 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:30" (1/1) ... [2023-12-02 19:27:31,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 19:27:31,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 19:27:31,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 19:27:31,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 19:27:31,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 19:27:31,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-12-02 19:27:31,288 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2023-12-02 19:27:31,289 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2023-12-02 19:27:31,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-12-02 19:27:31,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 19:27:31,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 19:27:31,289 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cos [2023-12-02 19:27:31,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cos [2023-12-02 19:27:31,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 19:27:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-12-02 19:27:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 19:27:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sin [2023-12-02 19:27:31,290 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sin [2023-12-02 19:27:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2023-12-02 19:27:31,290 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2023-12-02 19:27:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 19:27:31,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 19:27:31,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 19:27:31,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 19:27:31,454 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 19:27:31,456 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 19:28:30,119 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 19:28:30,205 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 19:28:30,205 INFO L309 CfgBuilder]: Removed 63 assume(true) statements. [2023-12-02 19:28:30,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:28:30 BoogieIcfgContainer [2023-12-02 19:28:30,206 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 19:28:30,209 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 19:28:30,209 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 19:28:30,212 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 19:28:30,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:27:30" (1/3) ... [2023-12-02 19:28:30,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a76422f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:28:30, skipping insertion in model container [2023-12-02 19:28:30,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:27:30" (2/3) ... [2023-12-02 19:28:30,213 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a76422f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:28:30, skipping insertion in model container [2023-12-02 19:28:30,213 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:28:30" (3/3) ... [2023-12-02 19:28:30,215 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0310.c [2023-12-02 19:28:30,230 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 19:28:30,230 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 19:28:30,276 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 19:28:30,282 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=LoopHeads, 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;@70936f1b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 19:28:30,282 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 19:28:30,287 INFO L276 IsEmpty]: Start isEmpty. Operand has 230 states, 212 states have (on average 1.740566037735849) internal successors, (369), 213 states have internal predecessors, (369), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 19:28:30,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 19:28:30,293 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:28:30,293 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:28:30,294 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:28:30,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:28:30,298 INFO L85 PathProgramCache]: Analyzing trace with hash 283967303, now seen corresponding path program 1 times [2023-12-02 19:28:30,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:28:30,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [69634042] [2023-12-02 19:28:30,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:28:30,311 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 19:28:30,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:28:30,340 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 19:28:30,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 19:28:30,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:28:30,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 19:28:30,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:28:30,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:28:30,782 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:28:30,783 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:28:30,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [69634042] [2023-12-02 19:28:30,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [69634042] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:28:30,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:28:30,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 19:28:30,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204592773] [2023-12-02 19:28:30,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:28:30,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 19:28:30,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:28:30,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 19:28:30,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 19:28:30,826 INFO L87 Difference]: Start difference. First operand has 230 states, 212 states have (on average 1.740566037735849) internal successors, (369), 213 states have internal predecessors, (369), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2023-12-02 19:28:33,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:28:35,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:28:37,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:28:40,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:28:42,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:28:45,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:28:47,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:28:50,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:28:50,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:28:50,957 INFO L93 Difference]: Finished difference Result 459 states and 797 transitions. [2023-12-02 19:28:50,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 19:28:50,968 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 8 [2023-12-02 19:28:50,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:28:50,978 INFO L225 Difference]: With dead ends: 459 [2023-12-02 19:28:50,978 INFO L226 Difference]: Without dead ends: 228 [2023-12-02 19:28:50,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 19:28:50,986 INFO L413 NwaCegarLoop]: 304 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2023-12-02 19:28:50,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 304 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 7 Unknown, 0 Unchecked, 20.1s Time] [2023-12-02 19:28:51,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2023-12-02 19:28:51,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2023-12-02 19:28:51,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 211 states have (on average 1.4360189573459716) internal successors, (303), 211 states have internal predecessors, (303), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 19:28:51,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 327 transitions. [2023-12-02 19:28:51,031 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 327 transitions. Word has length 8 [2023-12-02 19:28:51,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:28:51,031 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 327 transitions. [2023-12-02 19:28:51,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2023-12-02 19:28:51,032 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 327 transitions. [2023-12-02 19:28:51,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 19:28:51,032 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:28:51,032 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:28:51,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 19:28:51,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 19:28:51,234 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:28:51,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:28:51,234 INFO L85 PathProgramCache]: Analyzing trace with hash 528039519, now seen corresponding path program 1 times [2023-12-02 19:28:51,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:28:51,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [580895616] [2023-12-02 19:28:51,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:28:51,235 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 19:28:51,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:28:51,236 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 19:28:51,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 19:28:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:28:51,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 19:28:51,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:28:52,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:28:52,206 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:28:52,206 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:28:52,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [580895616] [2023-12-02 19:28:52,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [580895616] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:28:52,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:28:52,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 19:28:52,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923032355] [2023-12-02 19:28:52,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:28:52,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 19:28:52,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:28:52,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 19:28:52,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 19:28:52,210 INFO L87 Difference]: Start difference. First operand 228 states and 327 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 19:28:55,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:28:59,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:29:01,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:29:03,514 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:29:05,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:29:07,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:29:10,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:29:12,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:29:14,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:29:17,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:29:20,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:29:22,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:29:24,827 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:29:26,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:29:30,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:29:32,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:29:35,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:29:37,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:29:39,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:29:41,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:29:44,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:29:46,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:29:48,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:29:50,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:29:52,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:29:54,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:29:57,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:29:59,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:30:01,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:30:03,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:30:05,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:30:07,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:30:09,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:30:12,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:30:14,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:30:17,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:30:19,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:30:21,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:30:24,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:30:27,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:30:29,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:30:31,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:30:34,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:30:36,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:30:38,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:30:40,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:30:42,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:30:44,927 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:30:47,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:30:49,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:30:51,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:30:53,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:30:57,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:30:59,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:31:01,943 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 19:31:04,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:31:06,271 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 19:31:06,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:31:06,272 INFO L93 Difference]: Finished difference Result 232 states and 330 transitions. [2023-12-02 19:31:06,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 19:31:06,309 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-12-02 19:31:06,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:31:06,312 INFO L225 Difference]: With dead ends: 232 [2023-12-02 19:31:06,312 INFO L226 Difference]: Without dead ends: 228 [2023-12-02 19:31:06,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-12-02 19:31:06,313 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 226 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 0 mSolverCounterUnsat, 51 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 131.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 51 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 133.8s IncrementalHoareTripleChecker+Time [2023-12-02 19:31:06,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 867 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 150 Invalid, 51 Unknown, 0 Unchecked, 133.8s Time] [2023-12-02 19:31:06,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2023-12-02 19:31:06,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2023-12-02 19:31:06,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 211 states have (on average 1.4312796208530805) internal successors, (302), 211 states have internal predecessors, (302), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-12-02 19:31:06,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 326 transitions. [2023-12-02 19:31:06,329 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 326 transitions. Word has length 9 [2023-12-02 19:31:06,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:31:06,329 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 326 transitions. [2023-12-02 19:31:06,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 19:31:06,329 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 326 transitions. [2023-12-02 19:31:06,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 19:31:06,330 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 19:31:06,330 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 19:31:06,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 19:31:06,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 19:31:06,531 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 19:31:06,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 19:31:06,531 INFO L85 PathProgramCache]: Analyzing trace with hash 416152381, now seen corresponding path program 1 times [2023-12-02 19:31:06,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 19:31:06,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [496077849] [2023-12-02 19:31:06,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 19:31:06,532 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 19:31:06,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 19:31:06,533 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 19:31:06,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-02 19:31:06,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 19:31:06,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 19:31:06,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 19:31:09,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 19:31:09,599 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 19:31:09,599 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 19:31:09,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [496077849] [2023-12-02 19:31:09,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [496077849] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 19:31:09,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 19:31:09,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 19:31:09,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203275714] [2023-12-02 19:31:09,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 19:31:09,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 19:31:09,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 19:31:09,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 19:31:09,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2023-12-02 19:31:09,602 INFO L87 Difference]: Start difference. First operand 228 states and 326 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 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) [2023-12-02 19:31:11,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:31:18,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 19:31:18,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 19:31:18,128 INFO L93 Difference]: Finished difference Result 228 states and 326 transitions. [2023-12-02 19:31:18,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 19:31:18,130 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 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 18 [2023-12-02 19:31:18,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 19:31:18,130 INFO L225 Difference]: With dead ends: 228 [2023-12-02 19:31:18,130 INFO L226 Difference]: Without dead ends: 0 [2023-12-02 19:31:18,131 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=15, Invalid=24, Unknown=3, NotChecked=0, Total=42 [2023-12-02 19:31:18,132 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 5 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-12-02 19:31:18,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 2 Unknown, 0 Unchecked, 4.2s Time] [2023-12-02 19:31:18,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-02 19:31:18,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-02 19:31:18,133 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) [2023-12-02 19:31:18,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-02 19:31:18,134 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2023-12-02 19:31:18,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 19:31:18,134 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-02 19:31:18,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 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) [2023-12-02 19:31:18,134 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-02 19:31:18,134 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 19:31:18,137 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 19:31:18,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-12-02 19:31:18,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 19:31:18,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-02 19:31:19,131 INFO L902 garLoopResultBuilder]: At program point L155(line 155) the Hoare annotation is: true [2023-12-02 19:31:19,131 INFO L899 garLoopResultBuilder]: For program point L155-1(line 155) no Hoare annotation was computed. [2023-12-02 19:31:19,132 INFO L899 garLoopResultBuilder]: For program point L151(lines 151 156) no Hoare annotation was computed. [2023-12-02 19:31:19,132 INFO L899 garLoopResultBuilder]: For program point scalbn_doubleFINAL(lines 115 165) no Hoare annotation was computed. [2023-12-02 19:31:19,132 INFO L899 garLoopResultBuilder]: For program point L143-1(lines 143 148) no Hoare annotation was computed. [2023-12-02 19:31:19,132 INFO L902 garLoopResultBuilder]: At program point L143-2(lines 143 148) the Hoare annotation is: true [2023-12-02 19:31:19,132 INFO L899 garLoopResultBuilder]: For program point L143-3(lines 143 148) no Hoare annotation was computed. [2023-12-02 19:31:19,132 INFO L899 garLoopResultBuilder]: For program point L152(lines 152 155) no Hoare annotation was computed. [2023-12-02 19:31:19,132 INFO L899 garLoopResultBuilder]: For program point scalbn_doubleEXIT(lines 115 165) no Hoare annotation was computed. [2023-12-02 19:31:19,132 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 141) no Hoare annotation was computed. [2023-12-02 19:31:19,132 INFO L899 garLoopResultBuilder]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2023-12-02 19:31:19,133 INFO L902 garLoopResultBuilder]: At program point L128-2(lines 128 132) the Hoare annotation is: true [2023-12-02 19:31:19,133 INFO L899 garLoopResultBuilder]: For program point L128-3(lines 128 132) no Hoare annotation was computed. [2023-12-02 19:31:19,133 INFO L899 garLoopResultBuilder]: For program point L124(lines 124 136) no Hoare annotation was computed. [2023-12-02 19:31:19,133 INFO L899 garLoopResultBuilder]: For program point L124-2(lines 115 165) no Hoare annotation was computed. [2023-12-02 19:31:19,133 INFO L902 garLoopResultBuilder]: At program point L153(line 153) the Hoare annotation is: true [2023-12-02 19:31:19,133 INFO L899 garLoopResultBuilder]: For program point L153-1(line 153) no Hoare annotation was computed. [2023-12-02 19:31:19,133 INFO L902 garLoopResultBuilder]: At program point L141(line 141) the Hoare annotation is: true [2023-12-02 19:31:19,133 INFO L899 garLoopResultBuilder]: For program point L141-1(line 141) no Hoare annotation was computed. [2023-12-02 19:31:19,133 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 115 165) the Hoare annotation is: true [2023-12-02 19:31:19,134 INFO L899 garLoopResultBuilder]: For program point L125(lines 125 126) no Hoare annotation was computed. [2023-12-02 19:31:19,134 INFO L899 garLoopResultBuilder]: For program point L158-1(lines 158 163) no Hoare annotation was computed. [2023-12-02 19:31:19,134 INFO L902 garLoopResultBuilder]: At program point L158-2(lines 158 163) the Hoare annotation is: true [2023-12-02 19:31:19,134 INFO L899 garLoopResultBuilder]: For program point L158-3(lines 158 163) no Hoare annotation was computed. [2023-12-02 19:31:19,134 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 117 122) no Hoare annotation was computed. [2023-12-02 19:31:19,134 INFO L902 garLoopResultBuilder]: At program point L117-2(lines 117 122) the Hoare annotation is: true [2023-12-02 19:31:19,134 INFO L899 garLoopResultBuilder]: For program point L117-3(lines 117 122) no Hoare annotation was computed. [2023-12-02 19:31:19,134 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 150) no Hoare annotation was computed. [2023-12-02 19:31:19,134 INFO L899 garLoopResultBuilder]: For program point L134(lines 134 135) no Hoare annotation was computed. [2023-12-02 19:31:19,134 INFO L899 garLoopResultBuilder]: For program point L97(lines 97 101) no Hoare annotation was computed. [2023-12-02 19:31:19,135 INFO L902 garLoopResultBuilder]: At program point L97-1(lines 97 101) the Hoare annotation is: true [2023-12-02 19:31:19,135 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 90 109) the Hoare annotation is: true [2023-12-02 19:31:19,135 INFO L899 garLoopResultBuilder]: For program point copysign_doubleEXIT(lines 90 109) no Hoare annotation was computed. [2023-12-02 19:31:19,135 INFO L899 garLoopResultBuilder]: For program point L102(lines 102 107) no Hoare annotation was computed. [2023-12-02 19:31:19,135 INFO L902 garLoopResultBuilder]: At program point L102-1(lines 102 107) the Hoare annotation is: true [2023-12-02 19:31:19,135 INFO L899 garLoopResultBuilder]: For program point L102-2(lines 102 107) no Hoare annotation was computed. [2023-12-02 19:31:19,135 INFO L899 garLoopResultBuilder]: For program point L92-1(lines 92 96) no Hoare annotation was computed. [2023-12-02 19:31:19,135 INFO L902 garLoopResultBuilder]: At program point L92-2(lines 92 96) the Hoare annotation is: true [2023-12-02 19:31:19,135 INFO L899 garLoopResultBuilder]: For program point L547-2(lines 547 550) no Hoare annotation was computed. [2023-12-02 19:31:19,135 INFO L899 garLoopResultBuilder]: For program point L541-1(lines 541 545) no Hoare annotation was computed. [2023-12-02 19:31:19,135 INFO L902 garLoopResultBuilder]: At program point L541-2(lines 541 545) the Hoare annotation is: true [2023-12-02 19:31:19,136 INFO L899 garLoopResultBuilder]: For program point L541-3(lines 541 545) no Hoare annotation was computed. [2023-12-02 19:31:19,136 INFO L899 garLoopResultBuilder]: For program point __kernel_cosFINAL(lines 538 572) no Hoare annotation was computed. [2023-12-02 19:31:19,136 INFO L899 garLoopResultBuilder]: For program point L558(lines 558 567) no Hoare annotation was computed. [2023-12-02 19:31:19,136 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 538 572) the Hoare annotation is: true [2023-12-02 19:31:19,136 INFO L899 garLoopResultBuilder]: For program point __kernel_cosEXIT(lines 538 572) no Hoare annotation was computed. [2023-12-02 19:31:19,136 INFO L899 garLoopResultBuilder]: For program point L548(lines 548 549) no Hoare annotation was computed. [2023-12-02 19:31:19,136 INFO L899 garLoopResultBuilder]: For program point L561-1(lines 561 566) no Hoare annotation was computed. [2023-12-02 19:31:19,136 INFO L902 garLoopResultBuilder]: At program point L561-2(lines 561 566) the Hoare annotation is: true [2023-12-02 19:31:19,136 INFO L899 garLoopResultBuilder]: For program point L561-3(lines 558 567) no Hoare annotation was computed. [2023-12-02 19:31:19,136 INFO L899 garLoopResultBuilder]: For program point L555(lines 555 571) no Hoare annotation was computed. [2023-12-02 19:31:19,136 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 550) no Hoare annotation was computed. [2023-12-02 19:31:19,137 INFO L895 garLoopResultBuilder]: At program point L630(line 630) the Hoare annotation is: false [2023-12-02 19:31:19,137 INFO L899 garLoopResultBuilder]: For program point L630-1(line 630) no Hoare annotation was computed. [2023-12-02 19:31:19,137 INFO L899 garLoopResultBuilder]: For program point L300(lines 300 307) no Hoare annotation was computed. [2023-12-02 19:31:19,137 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 268) no Hoare annotation was computed. [2023-12-02 19:31:19,137 INFO L895 garLoopResultBuilder]: At program point L300-2(lines 291 308) the Hoare annotation is: false [2023-12-02 19:31:19,137 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 168 172) no Hoare annotation was computed. [2023-12-02 19:31:19,137 INFO L895 garLoopResultBuilder]: At program point L168-2(lines 168 172) the Hoare annotation is: false [2023-12-02 19:31:19,137 INFO L899 garLoopResultBuilder]: For program point L36(lines 36 43) no Hoare annotation was computed. [2023-12-02 19:31:19,137 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 466 470) no Hoare annotation was computed. [2023-12-02 19:31:19,137 INFO L895 garLoopResultBuilder]: At program point L466-2(lines 466 470) the Hoare annotation is: false [2023-12-02 19:31:19,137 INFO L899 garLoopResultBuilder]: For program point L466-3(lines 466 470) no Hoare annotation was computed. [2023-12-02 19:31:19,138 INFO L895 garLoopResultBuilder]: At program point L268(line 268) the Hoare annotation is: false [2023-12-02 19:31:19,138 INFO L899 garLoopResultBuilder]: For program point L268-1(line 268) no Hoare annotation was computed. [2023-12-02 19:31:19,138 INFO L899 garLoopResultBuilder]: For program point L70(lines 70 71) no Hoare annotation was computed. [2023-12-02 19:31:19,138 INFO L899 garLoopResultBuilder]: For program point L37(lines 37 42) no Hoare annotation was computed. [2023-12-02 19:31:19,138 INFO L899 garLoopResultBuilder]: For program point L70-2(lines 70 71) no Hoare annotation was computed. [2023-12-02 19:31:19,138 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 505) no Hoare annotation was computed. [2023-12-02 19:31:19,138 INFO L895 garLoopResultBuilder]: At program point L500-1(lines 500 505) the Hoare annotation is: false [2023-12-02 19:31:19,138 INFO L899 garLoopResultBuilder]: For program point L500-2(lines 500 505) no Hoare annotation was computed. [2023-12-02 19:31:19,138 INFO L899 garLoopResultBuilder]: For program point L203(lines 203 204) no Hoare annotation was computed. [2023-12-02 19:31:19,138 INFO L899 garLoopResultBuilder]: For program point L203-2(lines 203 204) no Hoare annotation was computed. [2023-12-02 19:31:19,138 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 240) no Hoare annotation was computed. [2023-12-02 19:31:19,138 INFO L895 garLoopResultBuilder]: At program point L336-3(lines 336 337) the Hoare annotation is: false [2023-12-02 19:31:19,139 INFO L899 garLoopResultBuilder]: For program point L336-4(lines 336 337) no Hoare annotation was computed. [2023-12-02 19:31:19,139 INFO L899 garLoopResultBuilder]: For program point L39(lines 39 42) no Hoare annotation was computed. [2023-12-02 19:31:19,139 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 240) no Hoare annotation was computed. [2023-12-02 19:31:19,139 INFO L899 garLoopResultBuilder]: For program point L272-1(lines 196 364) no Hoare annotation was computed. [2023-12-02 19:31:19,139 INFO L899 garLoopResultBuilder]: For program point L173(lines 173 178) no Hoare annotation was computed. [2023-12-02 19:31:19,139 INFO L899 garLoopResultBuilder]: For program point L239-2(lines 196 364) no Hoare annotation was computed. [2023-12-02 19:31:19,139 INFO L895 garLoopResultBuilder]: At program point L173-1(lines 173 178) the Hoare annotation is: false [2023-12-02 19:31:19,139 INFO L899 garLoopResultBuilder]: For program point L173-2(lines 173 178) no Hoare annotation was computed. [2023-12-02 19:31:19,139 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 633) no Hoare annotation was computed. [2023-12-02 19:31:19,139 INFO L899 garLoopResultBuilder]: For program point L472(lines 472 478) no Hoare annotation was computed. [2023-12-02 19:31:19,140 INFO L899 garLoopResultBuilder]: For program point L406-1(lines 406 410) no Hoare annotation was computed. [2023-12-02 19:31:19,140 INFO L895 garLoopResultBuilder]: At program point L406-2(lines 406 410) the Hoare annotation is: false [2023-12-02 19:31:19,140 INFO L899 garLoopResultBuilder]: For program point L340(line 340) no Hoare annotation was computed. [2023-12-02 19:31:19,140 INFO L899 garLoopResultBuilder]: For program point L406-3(lines 406 410) no Hoare annotation was computed. [2023-12-02 19:31:19,140 INFO L895 garLoopResultBuilder]: At program point L274-3(lines 274 275) the Hoare annotation is: false [2023-12-02 19:31:19,140 INFO L899 garLoopResultBuilder]: For program point L274-4(lines 272 289) no Hoare annotation was computed. [2023-12-02 19:31:19,140 INFO L899 garLoopResultBuilder]: For program point L242(lines 196 364) no Hoare annotation was computed. [2023-12-02 19:31:19,141 INFO L895 garLoopResultBuilder]: At program point L341-3(lines 341 345) the Hoare annotation is: false [2023-12-02 19:31:19,141 INFO L899 garLoopResultBuilder]: For program point L341-4(lines 341 345) no Hoare annotation was computed. [2023-12-02 19:31:19,141 INFO L895 garLoopResultBuilder]: At program point L209-3(lines 209 210) the Hoare annotation is: false [2023-12-02 19:31:19,141 INFO L899 garLoopResultBuilder]: For program point L209-4(lines 209 210) no Hoare annotation was computed. [2023-12-02 19:31:19,141 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 635 651) no Hoare annotation was computed. [2023-12-02 19:31:19,141 INFO L899 garLoopResultBuilder]: For program point L507-1(lines 507 512) no Hoare annotation was computed. [2023-12-02 19:31:19,142 INFO L895 garLoopResultBuilder]: At program point L507-2(lines 507 512) the Hoare annotation is: false [2023-12-02 19:31:19,142 INFO L899 garLoopResultBuilder]: For program point L507-3(lines 507 512) no Hoare annotation was computed. [2023-12-02 19:31:19,142 INFO L899 garLoopResultBuilder]: For program point L210(line 210) no Hoare annotation was computed. [2023-12-02 19:31:19,142 INFO L899 garLoopResultBuilder]: For program point L210-2(line 210) no Hoare annotation was computed. [2023-12-02 19:31:19,142 INFO L899 garLoopResultBuilder]: For program point L78(lines 78 83) no Hoare annotation was computed. [2023-12-02 19:31:19,142 INFO L895 garLoopResultBuilder]: At program point L78-1(lines 78 83) the Hoare annotation is: false [2023-12-02 19:31:19,142 INFO L899 garLoopResultBuilder]: For program point L78-2(lines 78 83) no Hoare annotation was computed. [2023-12-02 19:31:19,143 INFO L899 garLoopResultBuilder]: For program point L607-1(lines 607 611) no Hoare annotation was computed. [2023-12-02 19:31:19,143 INFO L895 garLoopResultBuilder]: At program point L607-2(lines 607 611) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) |ULTIMATE.start_cos_double_~x#1|)) (= currentRoundingMode roundNearestTiesToEven)) [2023-12-02 19:31:19,143 INFO L899 garLoopResultBuilder]: For program point L607-3(lines 607 611) no Hoare annotation was computed. [2023-12-02 19:31:19,143 INFO L899 garLoopResultBuilder]: For program point L442(lines 442 488) no Hoare annotation was computed. [2023-12-02 19:31:19,143 INFO L899 garLoopResultBuilder]: For program point L310(line 310) no Hoare annotation was computed. [2023-12-02 19:31:19,143 INFO L899 garLoopResultBuilder]: For program point L277-1(lines 277 278) no Hoare annotation was computed. [2023-12-02 19:31:19,144 INFO L895 garLoopResultBuilder]: At program point L277-4(lines 277 278) the Hoare annotation is: false [2023-12-02 19:31:19,144 INFO L899 garLoopResultBuilder]: For program point L277-5(lines 277 278) no Hoare annotation was computed. [2023-12-02 19:31:19,144 INFO L899 garLoopResultBuilder]: For program point L46(lines 46 47) no Hoare annotation was computed. [2023-12-02 19:31:19,144 INFO L895 garLoopResultBuilder]: At program point L311-3(lines 311 314) the Hoare annotation is: false [2023-12-02 19:31:19,144 INFO L899 garLoopResultBuilder]: For program point L245-2(lines 245 254) no Hoare annotation was computed. [2023-12-02 19:31:19,144 INFO L899 garLoopResultBuilder]: For program point L311-4(lines 311 314) no Hoare annotation was computed. [2023-12-02 19:31:19,144 INFO L899 garLoopResultBuilder]: For program point floor_double_returnLabel#1(lines 24 85) no Hoare annotation was computed. [2023-12-02 19:31:19,145 INFO L895 garLoopResultBuilder]: At program point L245-3(lines 245 254) the Hoare annotation is: false [2023-12-02 19:31:19,145 INFO L895 garLoopResultBuilder]: At program point L212-3(lines 212 216) the Hoare annotation is: false [2023-12-02 19:31:19,145 INFO L899 garLoopResultBuilder]: For program point L245-4(lines 242 270) no Hoare annotation was computed. [2023-12-02 19:31:19,145 INFO L899 garLoopResultBuilder]: For program point L212-4(lines 212 216) no Hoare annotation was computed. [2023-12-02 19:31:19,145 INFO L895 garLoopResultBuilder]: At program point L213-3(lines 213 214) the Hoare annotation is: false [2023-12-02 19:31:19,145 INFO L899 garLoopResultBuilder]: For program point L213-4(lines 213 214) no Hoare annotation was computed. [2023-12-02 19:31:19,145 INFO L899 garLoopResultBuilder]: For program point L48(lines 48 53) no Hoare annotation was computed. [2023-12-02 19:31:19,145 INFO L899 garLoopResultBuilder]: For program point L412(lines 412 416) no Hoare annotation was computed. [2023-12-02 19:31:19,146 INFO L899 garLoopResultBuilder]: For program point L247(lines 247 253) no Hoare annotation was computed. [2023-12-02 19:31:19,146 INFO L895 garLoopResultBuilder]: At program point L346-3(lines 346 350) the Hoare annotation is: false [2023-12-02 19:31:19,146 INFO L899 garLoopResultBuilder]: For program point L346-4(lines 346 350) no Hoare annotation was computed. [2023-12-02 19:31:19,146 INFO L895 garLoopResultBuilder]: At program point L280-3(lines 280 285) the Hoare annotation is: false [2023-12-02 19:31:19,146 INFO L899 garLoopResultBuilder]: For program point L280-4(lines 280 285) no Hoare annotation was computed. [2023-12-02 19:31:19,146 INFO L899 garLoopResultBuilder]: For program point L49(lines 49 50) no Hoare annotation was computed. [2023-12-02 19:31:19,146 INFO L899 garLoopResultBuilder]: For program point L49-2(lines 49 50) no Hoare annotation was computed. [2023-12-02 19:31:19,146 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 251) no Hoare annotation was computed. [2023-12-02 19:31:19,147 INFO L895 garLoopResultBuilder]: At program point L513-3(lines 513 516) the Hoare annotation is: false [2023-12-02 19:31:19,147 INFO L899 garLoopResultBuilder]: For program point L513-4(lines 513 516) no Hoare annotation was computed. [2023-12-02 19:31:19,147 INFO L895 garLoopResultBuilder]: At program point L282-3(lines 282 283) the Hoare annotation is: false [2023-12-02 19:31:19,147 INFO L899 garLoopResultBuilder]: For program point L282-4(lines 282 283) no Hoare annotation was computed. [2023-12-02 19:31:19,147 INFO L899 garLoopResultBuilder]: For program point L646(lines 646 649) no Hoare annotation was computed. [2023-12-02 19:31:19,147 INFO L899 garLoopResultBuilder]: For program point L448(line 448) no Hoare annotation was computed. [2023-12-02 19:31:19,147 INFO L899 garLoopResultBuilder]: For program point L448-2(lines 448 480) no Hoare annotation was computed. [2023-12-02 19:31:19,147 INFO L899 garLoopResultBuilder]: For program point L448-4(lines 448 480) no Hoare annotation was computed. [2023-12-02 19:31:19,148 INFO L895 garLoopResultBuilder]: At program point L316-3(lines 316 320) the Hoare annotation is: false [2023-12-02 19:31:19,148 INFO L899 garLoopResultBuilder]: For program point L316-4(lines 316 320) no Hoare annotation was computed. [2023-12-02 19:31:19,148 INFO L899 garLoopResultBuilder]: For program point L647(line 647) no Hoare annotation was computed. [2023-12-02 19:31:19,148 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 632) no Hoare annotation was computed. [2023-12-02 19:31:19,148 INFO L899 garLoopResultBuilder]: For program point L482(lines 482 487) no Hoare annotation was computed. [2023-12-02 19:31:19,148 INFO L895 garLoopResultBuilder]: At program point L317-3(lines 317 318) the Hoare annotation is: false [2023-12-02 19:31:19,148 INFO L899 garLoopResultBuilder]: For program point L317-4(lines 317 318) no Hoare annotation was computed. [2023-12-02 19:31:19,148 INFO L895 garLoopResultBuilder]: At program point L615(line 615) the Hoare annotation is: false [2023-12-02 19:31:19,148 INFO L899 garLoopResultBuilder]: For program point L615-1(line 615) no Hoare annotation was computed. [2023-12-02 19:31:19,148 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 441) no Hoare annotation was computed. [2023-12-02 19:31:19,148 INFO L895 garLoopResultBuilder]: At program point L351-3(lines 351 352) the Hoare annotation is: false [2023-12-02 19:31:19,149 INFO L899 garLoopResultBuilder]: For program point L219(lines 196 364) no Hoare annotation was computed. [2023-12-02 19:31:19,149 INFO L899 garLoopResultBuilder]: For program point L351-4(lines 322 362) no Hoare annotation was computed. [2023-12-02 19:31:19,149 INFO L899 garLoopResultBuilder]: For program point L418(lines 418 440) no Hoare annotation was computed. [2023-12-02 19:31:19,149 INFO L899 garLoopResultBuilder]: For program point L55(lines 55 77) no Hoare annotation was computed. [2023-12-02 19:31:19,149 INFO L899 garLoopResultBuilder]: For program point L617(lines 617 632) no Hoare annotation was computed. [2023-12-02 19:31:19,149 INFO L899 garLoopResultBuilder]: For program point __ieee754_rem_pio2_returnLabel#1(lines 399 528) no Hoare annotation was computed. [2023-12-02 19:31:19,149 INFO L895 garLoopResultBuilder]: At program point L221-3(lines 221 225) the Hoare annotation is: false [2023-12-02 19:31:19,149 INFO L895 garLoopResultBuilder]: At program point L221-4(lines 221 225) the Hoare annotation is: false [2023-12-02 19:31:19,149 INFO L899 garLoopResultBuilder]: For program point L56(lines 56 59) no Hoare annotation was computed. [2023-12-02 19:31:19,149 INFO L899 garLoopResultBuilder]: For program point L519-1(lines 519 520) no Hoare annotation was computed. [2023-12-02 19:31:19,149 INFO L899 garLoopResultBuilder]: For program point L420(lines 420 427) no Hoare annotation was computed. [2023-12-02 19:31:19,149 INFO L895 garLoopResultBuilder]: At program point L519-3(lines 519 520) the Hoare annotation is: false [2023-12-02 19:31:19,149 INFO L899 garLoopResultBuilder]: For program point L519-4(lines 519 520) no Hoare annotation was computed. [2023-12-02 19:31:19,149 INFO L899 garLoopResultBuilder]: For program point L420-2(lines 420 427) no Hoare annotation was computed. [2023-12-02 19:31:19,150 INFO L899 garLoopResultBuilder]: For program point L255-1(lines 242 270) no Hoare annotation was computed. [2023-12-02 19:31:19,150 INFO L899 garLoopResultBuilder]: For program point L454-1(lines 454 458) no Hoare annotation was computed. [2023-12-02 19:31:19,150 INFO L895 garLoopResultBuilder]: At program point L454-2(lines 454 458) the Hoare annotation is: false [2023-12-02 19:31:19,150 INFO L899 garLoopResultBuilder]: For program point L454-3(lines 454 458) no Hoare annotation was computed. [2023-12-02 19:31:19,150 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 362) no Hoare annotation was computed. [2023-12-02 19:31:19,150 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-02 19:31:19,150 INFO L899 garLoopResultBuilder]: For program point L256(lines 256 263) no Hoare annotation was computed. [2023-12-02 19:31:19,150 INFO L899 garLoopResultBuilder]: For program point L323(line 323) no Hoare annotation was computed. [2023-12-02 19:31:19,150 INFO L899 garLoopResultBuilder]: For program point L257(line 257) no Hoare annotation was computed. [2023-12-02 19:31:19,150 INFO L899 garLoopResultBuilder]: For program point L522(lines 522 526) no Hoare annotation was computed. [2023-12-02 19:31:19,150 INFO L899 garLoopResultBuilder]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2023-12-02 19:31:19,150 INFO L895 garLoopResultBuilder]: At program point L27-2(lines 27 32) the Hoare annotation is: false [2023-12-02 19:31:19,151 INFO L899 garLoopResultBuilder]: For program point L27-3(lines 27 32) no Hoare annotation was computed. [2023-12-02 19:31:19,151 INFO L899 garLoopResultBuilder]: For program point L490(lines 490 493) no Hoare annotation was computed. [2023-12-02 19:31:19,151 INFO L895 garLoopResultBuilder]: At program point L325-3(lines 325 326) the Hoare annotation is: false [2023-12-02 19:31:19,151 INFO L899 garLoopResultBuilder]: For program point L325-4(lines 325 326) no Hoare annotation was computed. [2023-12-02 19:31:19,151 INFO L899 garLoopResultBuilder]: For program point L623(line 623) no Hoare annotation was computed. [2023-12-02 19:31:19,151 INFO L899 garLoopResultBuilder]: For program point L260(line 260) no Hoare annotation was computed. [2023-12-02 19:31:19,151 INFO L899 garLoopResultBuilder]: For program point L227(line 227) no Hoare annotation was computed. [2023-12-02 19:31:19,151 INFO L899 garLoopResultBuilder]: For program point L62(lines 62 63) no Hoare annotation was computed. [2023-12-02 19:31:19,152 INFO L895 garLoopResultBuilder]: At program point L624(line 624) the Hoare annotation is: false [2023-12-02 19:31:19,152 INFO L899 garLoopResultBuilder]: For program point L624-1(line 624) no Hoare annotation was computed. [2023-12-02 19:31:19,152 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-02 19:31:19,152 INFO L899 garLoopResultBuilder]: For program point L294-1(lines 294 297) no Hoare annotation was computed. [2023-12-02 19:31:19,152 INFO L895 garLoopResultBuilder]: At program point L294-3(lines 294 297) the Hoare annotation is: false [2023-12-02 19:31:19,152 INFO L899 garLoopResultBuilder]: For program point L625(line 625) no Hoare annotation was computed. [2023-12-02 19:31:19,152 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 479) no Hoare annotation was computed. [2023-12-02 19:31:19,152 INFO L899 garLoopResultBuilder]: For program point L460-1(lines 460 479) no Hoare annotation was computed. [2023-12-02 19:31:19,153 INFO L899 garLoopResultBuilder]: For program point L64(lines 64 76) no Hoare annotation was computed. [2023-12-02 19:31:19,153 INFO L895 garLoopResultBuilder]: At program point L626(line 626) the Hoare annotation is: false [2023-12-02 19:31:19,153 INFO L899 garLoopResultBuilder]: For program point L626-1(line 626) no Hoare annotation was computed. [2023-12-02 19:31:19,153 INFO L899 garLoopResultBuilder]: For program point L329(line 329) no Hoare annotation was computed. [2023-12-02 19:31:19,153 INFO L899 garLoopResultBuilder]: For program point L329-2(line 329) no Hoare annotation was computed. [2023-12-02 19:31:19,153 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 74) no Hoare annotation was computed. [2023-12-02 19:31:19,153 INFO L899 garLoopResultBuilder]: For program point L65-1(lines 65 74) no Hoare annotation was computed. [2023-12-02 19:31:19,153 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 647) no Hoare annotation was computed. [2023-12-02 19:31:19,154 INFO L899 garLoopResultBuilder]: For program point L627(line 627) no Hoare annotation was computed. [2023-12-02 19:31:19,154 INFO L899 garLoopResultBuilder]: For program point L495-1(lines 495 499) no Hoare annotation was computed. [2023-12-02 19:31:19,154 INFO L895 garLoopResultBuilder]: At program point L495-2(lines 495 499) the Hoare annotation is: false [2023-12-02 19:31:19,154 INFO L899 garLoopResultBuilder]: For program point L330(line 330) no Hoare annotation was computed. [2023-12-02 19:31:19,154 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 73) no Hoare annotation was computed. [2023-12-02 19:31:19,154 INFO L895 garLoopResultBuilder]: At program point L628(line 628) the Hoare annotation is: false [2023-12-02 19:31:19,154 INFO L899 garLoopResultBuilder]: For program point L628-1(line 628) no Hoare annotation was computed. [2023-12-02 19:31:19,154 INFO L899 garLoopResultBuilder]: For program point L232(lines 232 240) no Hoare annotation was computed. [2023-12-02 19:31:19,155 INFO L899 garLoopResultBuilder]: For program point L34(lines 34 77) no Hoare annotation was computed. [2023-12-02 19:31:19,155 INFO L899 garLoopResultBuilder]: For program point L629(line 629) no Hoare annotation was computed. [2023-12-02 19:31:19,155 INFO L899 garLoopResultBuilder]: For program point L431(lines 431 438) no Hoare annotation was computed. [2023-12-02 19:31:19,155 INFO L899 garLoopResultBuilder]: For program point L431-2(lines 431 438) no Hoare annotation was computed. [2023-12-02 19:31:19,155 INFO L895 garLoopResultBuilder]: At program point L299(line 299) the Hoare annotation is: false [2023-12-02 19:31:19,155 INFO L899 garLoopResultBuilder]: For program point L299-1(line 299) no Hoare annotation was computed. [2023-12-02 19:31:19,155 INFO L895 garLoopResultBuilder]: At program point L332-3(lines 332 333) the Hoare annotation is: false [2023-12-02 19:31:19,155 INFO L899 garLoopResultBuilder]: For program point L332-4(lines 332 333) no Hoare annotation was computed. [2023-12-02 19:31:19,156 INFO L899 garLoopResultBuilder]: For program point L35(lines 35 54) no Hoare annotation was computed. [2023-12-02 19:31:19,156 INFO L899 garLoopResultBuilder]: For program point __kernel_sinFINAL(lines 582 602) no Hoare annotation was computed. [2023-12-02 19:31:19,156 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 594) no Hoare annotation was computed. [2023-12-02 19:31:19,156 INFO L899 garLoopResultBuilder]: For program point L591-2(lines 591 594) no Hoare annotation was computed. [2023-12-02 19:31:19,156 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 582 602) the Hoare annotation is: true [2023-12-02 19:31:19,156 INFO L899 garLoopResultBuilder]: For program point L585-1(lines 585 589) no Hoare annotation was computed. [2023-12-02 19:31:19,156 INFO L902 garLoopResultBuilder]: At program point L585-2(lines 585 589) the Hoare annotation is: true [2023-12-02 19:31:19,156 INFO L899 garLoopResultBuilder]: For program point L585-3(lines 585 589) no Hoare annotation was computed. [2023-12-02 19:31:19,156 INFO L899 garLoopResultBuilder]: For program point __kernel_sinEXIT(lines 582 602) no Hoare annotation was computed. [2023-12-02 19:31:19,157 INFO L899 garLoopResultBuilder]: For program point L598(lines 598 601) no Hoare annotation was computed. [2023-12-02 19:31:19,157 INFO L899 garLoopResultBuilder]: For program point L592(lines 592 593) no Hoare annotation was computed. [2023-12-02 19:31:19,161 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-12-02 19:31:19,163 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 19:31:19,176 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~64(currentRoundingMode, ~Pluszero~64(), ~Pluszero~64()) == ~x) could not be translated [2023-12-02 19:31:19,177 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-12-02 19:31:19,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:31:19 BoogieIcfgContainer [2023-12-02 19:31:19,178 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 19:31:19,179 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 19:31:19,179 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 19:31:19,179 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 19:31:19,180 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:28:30" (3/4) ... [2023-12-02 19:31:19,182 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 19:31:19,186 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_double [2023-12-02 19:31:19,186 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_double [2023-12-02 19:31:19,187 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_cos [2023-12-02 19:31:19,187 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_sin [2023-12-02 19:31:19,208 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2023-12-02 19:31:19,209 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-12-02 19:31:19,210 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-02 19:31:19,212 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 19:31:19,370 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/witness.graphml [2023-12-02 19:31:19,371 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/witness.yml [2023-12-02 19:31:19,371 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 19:31:19,372 INFO L158 Benchmark]: Toolchain (without parser) took 228902.61ms. Allocated memory is still 117.4MB. Free memory was 93.0MB in the beginning and 56.1MB in the end (delta: 37.0MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2023-12-02 19:31:19,372 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 79.7MB. Free memory was 56.6MB in the beginning and 56.4MB in the end (delta: 148.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 19:31:19,372 INFO L158 Benchmark]: CACSL2BoogieTranslator took 523.04ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 92.0MB in the end (delta: 697.5kB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2023-12-02 19:31:19,373 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.24ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 85.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 19:31:19,373 INFO L158 Benchmark]: Boogie Preprocessor took 108.92ms. Allocated memory is still 117.4MB. Free memory was 85.8MB in the beginning and 78.4MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 19:31:19,374 INFO L158 Benchmark]: RCFGBuilder took 58993.08ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 72.4MB in the end (delta: 6.1MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2023-12-02 19:31:19,374 INFO L158 Benchmark]: TraceAbstraction took 168969.54ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 67.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2023-12-02 19:31:19,374 INFO L158 Benchmark]: Witness Printer took 192.24ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 56.1MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 19:31:19,376 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 79.7MB. Free memory was 56.6MB in the beginning and 56.4MB in the end (delta: 148.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 523.04ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 92.0MB in the end (delta: 697.5kB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.24ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 85.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 108.92ms. Allocated memory is still 117.4MB. Free memory was 85.8MB in the beginning and 78.4MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 58993.08ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 72.4MB in the end (delta: 6.1MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. * TraceAbstraction took 168969.54ms. Allocated memory is still 117.4MB. Free memory was 71.7MB in the beginning and 67.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. * Witness Printer took 192.24ms. Allocated memory is still 117.4MB. Free memory was 67.5MB in the beginning and 56.1MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~64(currentRoundingMode, ~Pluszero~64(), ~Pluszero~64()) == ~x) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated * 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: 647]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 230 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 168.9s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 162.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 60 mSolverCounterUnknown, 240 SdHoareTripleChecker+Valid, 158.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 231 mSDsluCounter, 1173 SdHoareTripleChecker+Invalid, 154.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 598 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 175 IncrementalHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 575 mSDtfsCounter, 175 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=230occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 155 PreInvPairs, 156 NumberOfFragments, 68 HoareAnnotationTreeSize, 155 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 58 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 4 QuantifiedInterpolants, 149 SizeOfPredicates, 13 NumberOfNonLiveVariables, 691 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 406]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 332]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 316]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 495]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 336]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 351]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 221]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 341]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 294]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 97]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 311]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 519]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 274]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-12-02 19:31:19,596 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-12-02 19:31:19,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e83a2c5-3f8b-4f1f-aee5-f606f1688c0b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE